Antonović, Dušan

Link to this page

Authority KeyName Variants
f9a3cf10-bc15-4916-acdb-00838435ae6b
  • Antonović, Dušan (55)
  • Antonović, Dušan G. (1)
Projects
Application of biotechnological methods for sustainable exploitation of by-products of agro-industry Advanced technologies for monitoring and environmental protection from chemical pollutants and radiation burden
Synthesis and characterization of novel functional polymers and polymeric nanocomposites Development and application of methods and laboratory equipment intended for conformity assessment of technical products
Developed new methods for diagnosis and examination mechanical structures Study of the Synthesis, Structure and Activity of Natural and Synthetic Organic Compounds
Development and Application of Methods and Materials for Monitoring New Organic Contaminants, Toxic Compounds and Heavy Metals Oxide-based environmentally-friendly porous materials for genotoxic substances removal
Synthesis, processing and applications of nanostructured multifunctional materials with defined properties Sustainable agriculture and rural development in the function of accomplishing strategic objectives of the Republic of Serbia in the Danube region
Razvoj metoda za separaciju, predkoncentrisanje, određivanje i uklanjanje zagađivača okoline Nanostrukturni neoksidni keramički i karbonski materijali i njihovi kompoziti
Proučavanje sinteze, strukture i aktivnosti organskih jedinjenja prirodnog i sintetskog porekla Razvoj integrisanog modela za upravljanje brodskim otpadnim materijama na plovnim koridorima Republike Srbije
Ministry of Environmental Protection of the Republic of Serbia Ministry of Science and Environmental Protection of the Republic of Serbia [142050G]
Ministry of Science & Technology of Serbia Projekat Ministarstva nauke Republike Srbije, br. 1694
Research Fund of Serbia for financial support. The present research is financed in the framework of the project of Provincial Secretariat for Higher Education and Scientific Research of AP Vojvodina (Project: Molecular engineering and chemometric tools: Towards safer and greener future, No. 142-451-2563/2021-01/01).

Author's Bibliography

COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS

Salaković, Benjamin; Kovačević, Strahinja; Karadžić Banjac, Milica; Jevrić, Lidija; Podunavac-Kuzmanović, Sanja; Antonović, Dušan

(University of Novi Sad, Faculty of Technology, 2022)

TY  - JOUR
AU  - Salaković, Benjamin
AU  - Kovačević, Strahinja
AU  - Karadžić Banjac, Milica
AU  - Jevrić, Lidija
AU  - Podunavac-Kuzmanović, Sanja
AU  - Antonović, Dušan
PY  - 2022
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5870
AB  - In the present paper, the chemometric analysis, ranking and selection of the most suitable in silico lipophilicity parameters of eight alkyl and cycloalkyl s-triazine derivatives were carried out. The lipophilicity parameters were calculated using various computational approaches and computer programs. The conducted analysis is the basis for further studies aimed to define, compare and examine the influence of alkyl and cycloalkyl substituents, introduced in 6-chloro-1,3,5-triazine-2,4-diamine structure, on molecular lipophilicity and bioactivity. The chemometric methods used in the study are pattern recognition methods, such as hierarchical cluster analysis (HCA) and sum of ranking differences (SRD). The obtained ranking results indicate that the following in silico lipophilicity descriptors can be chosen as the most suitable for interpretation of lipophilicity of the studied series of s-triazine derivatives: AlogP, MlogP, WLOGP, logPKLOP and logPPHYS. The lipophilicity descriptor iLOGP was marked as the least suitable lipophilicity descriptor of the studied series of compounds. The ranking results were validated by 7-fold cross-validation approach and by comparison of ranks by random numbers (CRRN).
PB  - University of Novi Sad, Faculty of Technology
T2  - Acta Periodica Technologica
T1  - COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS
EP  - 99
SP  - 88
VL  - 53
DO  - 10.2298/APT2253088S
ER  - 
@article{
author = "Salaković, Benjamin and Kovačević, Strahinja and Karadžić Banjac, Milica and Jevrić, Lidija and Podunavac-Kuzmanović, Sanja and Antonović, Dušan",
year = "2022",
abstract = "In the present paper, the chemometric analysis, ranking and selection of the most suitable in silico lipophilicity parameters of eight alkyl and cycloalkyl s-triazine derivatives were carried out. The lipophilicity parameters were calculated using various computational approaches and computer programs. The conducted analysis is the basis for further studies aimed to define, compare and examine the influence of alkyl and cycloalkyl substituents, introduced in 6-chloro-1,3,5-triazine-2,4-diamine structure, on molecular lipophilicity and bioactivity. The chemometric methods used in the study are pattern recognition methods, such as hierarchical cluster analysis (HCA) and sum of ranking differences (SRD). The obtained ranking results indicate that the following in silico lipophilicity descriptors can be chosen as the most suitable for interpretation of lipophilicity of the studied series of s-triazine derivatives: AlogP, MlogP, WLOGP, logPKLOP and logPPHYS. The lipophilicity descriptor iLOGP was marked as the least suitable lipophilicity descriptor of the studied series of compounds. The ranking results were validated by 7-fold cross-validation approach and by comparison of ranks by random numbers (CRRN).",
publisher = "University of Novi Sad, Faculty of Technology",
journal = "Acta Periodica Technologica",
title = "COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS",
pages = "99-88",
volume = "53",
doi = "10.2298/APT2253088S"
}
Salaković, B., Kovačević, S., Karadžić Banjac, M., Jevrić, L., Podunavac-Kuzmanović, S.,& Antonović, D.. (2022). COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS. in Acta Periodica Technologica
University of Novi Sad, Faculty of Technology., 53, 88-99.
https://doi.org/10.2298/APT2253088S
Salaković B, Kovačević S, Karadžić Banjac M, Jevrić L, Podunavac-Kuzmanović S, Antonović D. COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS. in Acta Periodica Technologica. 2022;53:88-99.
doi:10.2298/APT2253088S .
Salaković, Benjamin, Kovačević, Strahinja, Karadžić Banjac, Milica, Jevrić, Lidija, Podunavac-Kuzmanović, Sanja, Antonović, Dušan, "COMPARATIVE CHEMOMETRIC ANALYSIS, RANKING AND SELECTION OF LIPOPHILICITY PARAMETERS OF 6-CHLORO-1,3,5-TRIAZINE DERIVATIVES WITH ACYCLIC AND CYCLIC SUBSTITUENTS" in Acta Periodica Technologica, 53 (2022):88-99,
https://doi.org/10.2298/APT2253088S . .
2
2

Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia

Crnković, Dragan; Sekulić, Zoran; Antonović, Dušan; Marinković, Aleksandar; Popović, Slađana; Nikolić, Jasmina; Drmanić, Saša

(Hard, Olsztyn 5, 2020)

TY  - JOUR
AU  - Crnković, Dragan
AU  - Sekulić, Zoran
AU  - Antonović, Dušan
AU  - Marinković, Aleksandar
AU  - Popović, Slađana
AU  - Nikolić, Jasmina
AU  - Drmanić, Saša
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4460
AB  - This study focussed on a comprehensive investigation on the state of pollution and identification of potential sources of contamination of some river sediments in Serbia by polycyclic aromatic hydrocarbons (PAHs), and is the basis for setting up further monitoring programs. The sediment quality of the Danube River (km 1433-845) and its tributaries in Serbia, including the Sava River (km 202-1), were analysed with respect to PAHs and total organic carbon (TOC). We found that total PAH concentration in the sediments from the Danube and its tributaries (10.0-4140 mu g kg(-1)) was lower than total PAH concentration in Sava River sediments (265.1-11272 mu g kg(-1)). Principal component analysis showed that concentrations of benzo[a]anthracene, chrysene, pyrene, fluoranthene, indeno[1,2,3- cd]pyrene, benzo[a] pyrene, benzo[b]fluoranthene and benzo[k]fluoranthene in the sediments were correlated with TOC. The diagnostic ratios anthracene/(anthracene+phenanthrene) and fluoranthene/(fluoranthene+ pyrene) were calculated to evaluate the emission sources of the PAHs. Therefore, these ratios indicated the predominantly pyrogenic source of the PAHs in the sediments. Results have also shown that river sediments in the Danube and Sava rivers and their tributaries were not recently polluted with PAHs, excluding only one location - S4, downstream of Sabac and characterized by heavily polluted sediment.
PB  - Hard, Olsztyn 5
T2  - Polish Journal of Environmental Studies
T1  - Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia
EP  - 2110
IS  - 3
SP  - 2101
VL  - 29
DO  - 10.15244/pjoes/111319
ER  - 
@article{
author = "Crnković, Dragan and Sekulić, Zoran and Antonović, Dušan and Marinković, Aleksandar and Popović, Slađana and Nikolić, Jasmina and Drmanić, Saša",
year = "2020",
abstract = "This study focussed on a comprehensive investigation on the state of pollution and identification of potential sources of contamination of some river sediments in Serbia by polycyclic aromatic hydrocarbons (PAHs), and is the basis for setting up further monitoring programs. The sediment quality of the Danube River (km 1433-845) and its tributaries in Serbia, including the Sava River (km 202-1), were analysed with respect to PAHs and total organic carbon (TOC). We found that total PAH concentration in the sediments from the Danube and its tributaries (10.0-4140 mu g kg(-1)) was lower than total PAH concentration in Sava River sediments (265.1-11272 mu g kg(-1)). Principal component analysis showed that concentrations of benzo[a]anthracene, chrysene, pyrene, fluoranthene, indeno[1,2,3- cd]pyrene, benzo[a] pyrene, benzo[b]fluoranthene and benzo[k]fluoranthene in the sediments were correlated with TOC. The diagnostic ratios anthracene/(anthracene+phenanthrene) and fluoranthene/(fluoranthene+ pyrene) were calculated to evaluate the emission sources of the PAHs. Therefore, these ratios indicated the predominantly pyrogenic source of the PAHs in the sediments. Results have also shown that river sediments in the Danube and Sava rivers and their tributaries were not recently polluted with PAHs, excluding only one location - S4, downstream of Sabac and characterized by heavily polluted sediment.",
publisher = "Hard, Olsztyn 5",
journal = "Polish Journal of Environmental Studies",
title = "Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia",
pages = "2110-2101",
number = "3",
volume = "29",
doi = "10.15244/pjoes/111319"
}
Crnković, D., Sekulić, Z., Antonović, D., Marinković, A., Popović, S., Nikolić, J.,& Drmanić, S.. (2020). Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia. in Polish Journal of Environmental Studies
Hard, Olsztyn 5., 29(3), 2101-2110.
https://doi.org/10.15244/pjoes/111319
Crnković D, Sekulić Z, Antonović D, Marinković A, Popović S, Nikolić J, Drmanić S. Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia. in Polish Journal of Environmental Studies. 2020;29(3):2101-2110.
doi:10.15244/pjoes/111319 .
Crnković, Dragan, Sekulić, Zoran, Antonović, Dušan, Marinković, Aleksandar, Popović, Slađana, Nikolić, Jasmina, Drmanić, Saša, "Origins of Polycyclic Aromatic Hydrocarbons in Sediments from the Danube and Sava Rivers and Their Tributaries in Serbia" in Polish Journal of Environmental Studies, 29, no. 3 (2020):2101-2110,
https://doi.org/10.15244/pjoes/111319 . .
15
4
11

Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination

Buntić, Aneta; Milić, Marija; Antonović, Dušan; Šiler-Marinković, Slavica; Dimitrijević-Branković, Suzana

(Desalination Publ, Hopkinton, 2019)

TY  - JOUR
AU  - Buntić, Aneta
AU  - Milić, Marija
AU  - Antonović, Dušan
AU  - Šiler-Marinković, Slavica
AU  - Dimitrijević-Branković, Suzana
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4129
AB  - The use of the microwave-activated sugar beet pulp as an alternative adsorbent material in combination with biological processes has been applied for the colored wastewater treatment. The maximum adsorption capacity of the crystal violet dye has been achieved relatively fast, during 315 s, with no dependence of the pH, when the adsorbent mass was 15 and 0.2 g/L of the initial dye concentration. The adsorption equilibrium data fully complied with the Temkin isotherm. The afterward biological decontamination of the adsorbed dye was related to the biodegradable potential of Streptomyces microflavus CKS6 cells. The microorganism revealed strong affinity toward the dye and minimal nutritional requirements for the metabolic activity expressions. Total dye decomposition occurred after 9 h, whereby lignin peroxidase enzyme has been recognized to be mainly involved in the process. According to the phytotoxicity analysis, no harmful residues were found in the decolorized working medium.
PB  - Desalination Publ, Hopkinton
T2  - Desalination and Water Treatment
T1  - Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination
EP  - 382
SP  - 372
VL  - 169
DO  - 10.5004/dwt.2019.24677
ER  - 
@article{
author = "Buntić, Aneta and Milić, Marija and Antonović, Dušan and Šiler-Marinković, Slavica and Dimitrijević-Branković, Suzana",
year = "2019",
abstract = "The use of the microwave-activated sugar beet pulp as an alternative adsorbent material in combination with biological processes has been applied for the colored wastewater treatment. The maximum adsorption capacity of the crystal violet dye has been achieved relatively fast, during 315 s, with no dependence of the pH, when the adsorbent mass was 15 and 0.2 g/L of the initial dye concentration. The adsorption equilibrium data fully complied with the Temkin isotherm. The afterward biological decontamination of the adsorbed dye was related to the biodegradable potential of Streptomyces microflavus CKS6 cells. The microorganism revealed strong affinity toward the dye and minimal nutritional requirements for the metabolic activity expressions. Total dye decomposition occurred after 9 h, whereby lignin peroxidase enzyme has been recognized to be mainly involved in the process. According to the phytotoxicity analysis, no harmful residues were found in the decolorized working medium.",
publisher = "Desalination Publ, Hopkinton",
journal = "Desalination and Water Treatment",
title = "Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination",
pages = "382-372",
volume = "169",
doi = "10.5004/dwt.2019.24677"
}
Buntić, A., Milić, M., Antonović, D., Šiler-Marinković, S.,& Dimitrijević-Branković, S.. (2019). Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination. in Desalination and Water Treatment
Desalination Publ, Hopkinton., 169, 372-382.
https://doi.org/10.5004/dwt.2019.24677
Buntić A, Milić M, Antonović D, Šiler-Marinković S, Dimitrijević-Branković S. Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination. in Desalination and Water Treatment. 2019;169:372-382.
doi:10.5004/dwt.2019.24677 .
Buntić, Aneta, Milić, Marija, Antonović, Dušan, Šiler-Marinković, Slavica, Dimitrijević-Branković, Suzana, "Implementation of integrated adsorption and biological process in wastewater treatment for permanent dye removal and its subsequent decontamination" in Desalination and Water Treatment, 169 (2019):372-382,
https://doi.org/10.5004/dwt.2019.24677 . .
1
2
2

3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements

Mitrović, Aleksandra; Antonović, Dušan; Tanasić, Ivan; Mitrović, Nenad; Bakić, Gordana; Popović, Dejana; Milošević, Miloš

(Hindawi Limited, 2019)

TY  - JOUR
AU  - Mitrović, Aleksandra
AU  - Antonović, Dušan
AU  - Tanasić, Ivan
AU  - Mitrović, Nenad
AU  - Bakić, Gordana
AU  - Popović, Dejana
AU  - Milošević, Miloš
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5880
AB  - The introduction of resin-based cements and an adhesive-bonding system in daily dental practice has given the opportunity to increase the retention of previously conventional cemented restorations and the optimal results in esthetic. This experimental study employed the 3D Digital Image Correlation Method (3D-DIC) for detecting shrinkage strain in four dual cured composite cements. The aim was to visualize measure, analyze, and compare strain fields in four resin-based cements using the 3D-DIC method. A total of 72 samples were divided into 4 groups considering variations in sample types, diameter, and thickness. Four types of composite cements: RelyX U200 (3 M ESPE, St. Paul, MN, USA), MaxCem Elite (Kerr, Orange, CA, USA), Multilink Automix (Ivoclar Vivadent, Schaan, Liechtenstein), and SeT PP (SDI, Australia) were used. Each type had diameters of 3 mm, 4 mm, and 5 mm, respectively, combined with two different values of thickness: 1 mm and 2 mm. Thickness had an important role on strain detected in all tested materials showing higher strain in samples with 2 mm thickness compared to 1 mm samples. Shrinkage strain values were the highest in Set PP samples indicated the possibility of undesirable de-bonding.
PB  - Hindawi Limited
T2  - BioMed Research International
T1  - 3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements
SP  - 2041348
VL  - 2019
DO  - 10.1155/2019/2041348
ER  - 
@article{
author = "Mitrović, Aleksandra and Antonović, Dušan and Tanasić, Ivan and Mitrović, Nenad and Bakić, Gordana and Popović, Dejana and Milošević, Miloš",
year = "2019",
abstract = "The introduction of resin-based cements and an adhesive-bonding system in daily dental practice has given the opportunity to increase the retention of previously conventional cemented restorations and the optimal results in esthetic. This experimental study employed the 3D Digital Image Correlation Method (3D-DIC) for detecting shrinkage strain in four dual cured composite cements. The aim was to visualize measure, analyze, and compare strain fields in four resin-based cements using the 3D-DIC method. A total of 72 samples were divided into 4 groups considering variations in sample types, diameter, and thickness. Four types of composite cements: RelyX U200 (3 M ESPE, St. Paul, MN, USA), MaxCem Elite (Kerr, Orange, CA, USA), Multilink Automix (Ivoclar Vivadent, Schaan, Liechtenstein), and SeT PP (SDI, Australia) were used. Each type had diameters of 3 mm, 4 mm, and 5 mm, respectively, combined with two different values of thickness: 1 mm and 2 mm. Thickness had an important role on strain detected in all tested materials showing higher strain in samples with 2 mm thickness compared to 1 mm samples. Shrinkage strain values were the highest in Set PP samples indicated the possibility of undesirable de-bonding.",
publisher = "Hindawi Limited",
journal = "BioMed Research International",
title = "3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements",
pages = "2041348",
volume = "2019",
doi = "10.1155/2019/2041348"
}
Mitrović, A., Antonović, D., Tanasić, I., Mitrović, N., Bakić, G., Popović, D.,& Milošević, M.. (2019). 3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements. in BioMed Research International
Hindawi Limited., 2019, 2041348.
https://doi.org/10.1155/2019/2041348
Mitrović A, Antonović D, Tanasić I, Mitrović N, Bakić G, Popović D, Milošević M. 3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements. in BioMed Research International. 2019;2019:2041348.
doi:10.1155/2019/2041348 .
Mitrović, Aleksandra, Antonović, Dušan, Tanasić, Ivan, Mitrović, Nenad, Bakić, Gordana, Popović, Dejana, Milošević, Miloš, "3D Digital Image Correlation Analysis of the Shrinkage Strain in Four Dual Cure Composite Cements" in BioMed Research International, 2019 (2019):2041348,
https://doi.org/10.1155/2019/2041348 . .
8
2
10

Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement

Mitrović, Aleksandra; Tanasić, Ivan; Mitrović, Nenad; Miletić, Vesna; Bakić, Gordana; Milošević, Miloš; Antonović, Dušan

(Taylor & Francis Ltd, Abingdon, 2019)

TY  - JOUR
AU  - Mitrović, Aleksandra
AU  - Tanasić, Ivan
AU  - Mitrović, Nenad
AU  - Miletić, Vesna
AU  - Bakić, Gordana
AU  - Milošević, Miloš
AU  - Antonović, Dušan
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5878
AB  - The study showed an application of the 3 D Digital Image Correlation Method (3 D-DIC) for detection of von Mises strain in samples of the self-etch, self-adhesive resin based cement (RBC). The aim was to determine and compare strain in the self-cured and light-cured Maxcem Elite, furthermore to investigate the hardness of these two cement-types. The experiment was carried out using two groups of Maxcem Elite (Kerr, Orange, CA, USA) samples; each tested group includes five (o5 x 2 mm sized) samples, for both self-curing and light-curing mode. All samples were prepared by filling teflon ring-type molds. In addition, Vickers micro-hardness was measured for all samples. Maxcem Elite showed similar maximum strain values from 10% to 12% for both groups. Besides the maximum strain value, the 3 D-DIC method also enabled monitoring the change of strain field even after the recommended polymerization time. This method has shown that the polymerization shrinkage continues even after 10 min which disagreed with manufacturer's suggestion. Group II showed maximum strain values of 12% in the peripheral zone after 10 min, in the last Stage (Stage 60). Statistically significant difference was not found in the overall strain between self- and light-cured Maxcem Elite neither peripherally (p = 0.118) nor centrally (p = 0.879). However, statistical significance was found in strain regarding central and peripheral zone in both, self-cured (p = 0.020) and light-cured (p = 0.002) Maxcem Elite. The mean von Mises strain values in the periphery of the samples (Section 0) were significantly higher compared to strain values in the center of the samples (for Section 1 and 2). The last stage (Stage 60) of the light-cured Maxcem Elite polymerization showed significantly higher values of von Mises strain compared to initial stage (Stage 0). Higher values of micro-hardness were noticed on the surfaces directly exposed to LED lamp after performing measurements of micro-hardness on light-cured samples.
PB  - Taylor & Francis Ltd, Abingdon
T2  - Journal of Adhesion Science & Technology
T1  - Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement
EP  - 2695
IS  - 24
SP  - 2684
VL  - 33
DO  - 10.1080/01694243.2019.1654221
ER  - 
@article{
author = "Mitrović, Aleksandra and Tanasić, Ivan and Mitrović, Nenad and Miletić, Vesna and Bakić, Gordana and Milošević, Miloš and Antonović, Dušan",
year = "2019",
abstract = "The study showed an application of the 3 D Digital Image Correlation Method (3 D-DIC) for detection of von Mises strain in samples of the self-etch, self-adhesive resin based cement (RBC). The aim was to determine and compare strain in the self-cured and light-cured Maxcem Elite, furthermore to investigate the hardness of these two cement-types. The experiment was carried out using two groups of Maxcem Elite (Kerr, Orange, CA, USA) samples; each tested group includes five (o5 x 2 mm sized) samples, for both self-curing and light-curing mode. All samples were prepared by filling teflon ring-type molds. In addition, Vickers micro-hardness was measured for all samples. Maxcem Elite showed similar maximum strain values from 10% to 12% for both groups. Besides the maximum strain value, the 3 D-DIC method also enabled monitoring the change of strain field even after the recommended polymerization time. This method has shown that the polymerization shrinkage continues even after 10 min which disagreed with manufacturer's suggestion. Group II showed maximum strain values of 12% in the peripheral zone after 10 min, in the last Stage (Stage 60). Statistically significant difference was not found in the overall strain between self- and light-cured Maxcem Elite neither peripherally (p = 0.118) nor centrally (p = 0.879). However, statistical significance was found in strain regarding central and peripheral zone in both, self-cured (p = 0.020) and light-cured (p = 0.002) Maxcem Elite. The mean von Mises strain values in the periphery of the samples (Section 0) were significantly higher compared to strain values in the center of the samples (for Section 1 and 2). The last stage (Stage 60) of the light-cured Maxcem Elite polymerization showed significantly higher values of von Mises strain compared to initial stage (Stage 0). Higher values of micro-hardness were noticed on the surfaces directly exposed to LED lamp after performing measurements of micro-hardness on light-cured samples.",
publisher = "Taylor & Francis Ltd, Abingdon",
journal = "Journal of Adhesion Science & Technology",
title = "Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement",
pages = "2695-2684",
number = "24",
volume = "33",
doi = "10.1080/01694243.2019.1654221"
}
Mitrović, A., Tanasić, I., Mitrović, N., Miletić, V., Bakić, G., Milošević, M.,& Antonović, D.. (2019). Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement. in Journal of Adhesion Science & Technology
Taylor & Francis Ltd, Abingdon., 33(24), 2684-2695.
https://doi.org/10.1080/01694243.2019.1654221
Mitrović A, Tanasić I, Mitrović N, Miletić V, Bakić G, Milošević M, Antonović D. Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement. in Journal of Adhesion Science & Technology. 2019;33(24):2684-2695.
doi:10.1080/01694243.2019.1654221 .
Mitrović, Aleksandra, Tanasić, Ivan, Mitrović, Nenad, Miletić, Vesna, Bakić, Gordana, Milošević, Miloš, Antonović, Dušan, "Analysis of the strain and hardness in self-cured and light-cured self-adhesive resin based cement" in Journal of Adhesion Science & Technology, 33, no. 24 (2019):2684-2695,
https://doi.org/10.1080/01694243.2019.1654221 . .
2
2

Strain field measurements of glass ionomer cement

Mitrović, Aleksandra; Mitrović, Nenad; Tanasić, Ivan; Milošević, Miloš; Antonović, Dušan

(Institut za ispitivanje materijala, Beograd, 2019)

TY  - JOUR
AU  - Mitrović, Aleksandra
AU  - Mitrović, Nenad
AU  - Tanasić, Ivan
AU  - Milošević, Miloš
AU  - Antonović, Dušan
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5910
AB  - Extensive evolution of glass ionomer cements (GIC) has marked a significant shift in the practice of luting indirect dental restorations limiting the use of zinc-phosphate and zinc-polycarboxylate cements to a few indications. GIC are now one of the materials of choice for cementation of all ceramics, fiber reinforced composite posts and veneers. GICs are determined by unique properties like chemical adhesion to tooth and base metals, low thermal expansion coefficients similar to dentin and minimal microleakage at the tooth-enamel interface due to low shrinkage. Shrinkage strain is identified as the cause, and the associated stress as the mechanism for the loss of marginal adaption and cohesive fracture within the material. The aim of this study is to measure the strain and displacement field in a conventional GIC (Riva Luting, SDI, Australia) related to different cement diameter, using 3D Digital Image Correlation (DIC) method. The experiment is done for samples with thickness of 1 mm combined with diameters of 4 mm (Group I) and 3 mm (Group II). The strain field is measured using 3D 11optical system Aramis 2M (GOM, Braunschweig, Germany). This study provides valuable data about strain behaviour and displacement as a possible failure factor in GIC, Riva Luting. Visible differences between Group I and Group II were observed.
PB  - Institut za ispitivanje materijala, Beograd
T2  - Structural Integrity & Life
T1  - Strain field measurements of glass ionomer cement
EP  - 147
IS  - 2
SP  - 143
VL  - 19
UR  - https://hdl.handle.net/21.15107/rcub_smile_2399
ER  - 
@article{
author = "Mitrović, Aleksandra and Mitrović, Nenad and Tanasić, Ivan and Milošević, Miloš and Antonović, Dušan",
year = "2019",
abstract = "Extensive evolution of glass ionomer cements (GIC) has marked a significant shift in the practice of luting indirect dental restorations limiting the use of zinc-phosphate and zinc-polycarboxylate cements to a few indications. GIC are now one of the materials of choice for cementation of all ceramics, fiber reinforced composite posts and veneers. GICs are determined by unique properties like chemical adhesion to tooth and base metals, low thermal expansion coefficients similar to dentin and minimal microleakage at the tooth-enamel interface due to low shrinkage. Shrinkage strain is identified as the cause, and the associated stress as the mechanism for the loss of marginal adaption and cohesive fracture within the material. The aim of this study is to measure the strain and displacement field in a conventional GIC (Riva Luting, SDI, Australia) related to different cement diameter, using 3D Digital Image Correlation (DIC) method. The experiment is done for samples with thickness of 1 mm combined with diameters of 4 mm (Group I) and 3 mm (Group II). The strain field is measured using 3D 11optical system Aramis 2M (GOM, Braunschweig, Germany). This study provides valuable data about strain behaviour and displacement as a possible failure factor in GIC, Riva Luting. Visible differences between Group I and Group II were observed.",
publisher = "Institut za ispitivanje materijala, Beograd",
journal = "Structural Integrity & Life",
title = "Strain field measurements of glass ionomer cement",
pages = "147-143",
number = "2",
volume = "19",
url = "https://hdl.handle.net/21.15107/rcub_smile_2399"
}
Mitrović, A., Mitrović, N., Tanasić, I., Milošević, M.,& Antonović, D.. (2019). Strain field measurements of glass ionomer cement. in Structural Integrity & Life
Institut za ispitivanje materijala, Beograd., 19(2), 143-147.
https://hdl.handle.net/21.15107/rcub_smile_2399
Mitrović A, Mitrović N, Tanasić I, Milošević M, Antonović D. Strain field measurements of glass ionomer cement. in Structural Integrity & Life. 2019;19(2):143-147.
https://hdl.handle.net/21.15107/rcub_smile_2399 .
Mitrović, Aleksandra, Mitrović, Nenad, Tanasić, Ivan, Milošević, Miloš, Antonović, Dušan, "Strain field measurements of glass ionomer cement" in Structural Integrity & Life, 19, no. 2 (2019):143-147,
https://hdl.handle.net/21.15107/rcub_smile_2399 .
1
7

Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil

Dimitrijević, Snežana; Pavlović, Marija; Maksimović, Svetolik; Ristić, Mihailo S.; Filipović, Vladimir; Antonović, Dušan; Dimitrijević-Branković, Suzana

(Wiley, Hoboken, 2018)

TY  - JOUR
AU  - Dimitrijević, Snežana
AU  - Pavlović, Marija
AU  - Maksimović, Svetolik
AU  - Ristić, Mihailo S.
AU  - Filipović, Vladimir
AU  - Antonović, Dušan
AU  - Dimitrijević-Branković, Suzana
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3995
AB  - BACKGROUNDIn order to study the influence of plant growth-promoting bacteria (PGPB) belonging to Streptomyces sp., Paenibacillus sp., and Hymenobacter sp. on fixed oil content of flaxseed and black cumin, 2-year field experiments were conducted. PGPB was applied during seedtime of plants. The extraction of oil from seeds was performed using supercritical CO2. RESULTSThe addition of PGPB significantly increases the content of C18:1 (from 16.060.03% to 16.97 +/- 0.03%) and C18:3 (from 42.97 +/- 0.2% to 45.42 +/- 0.5%) in flaxseed oil and C18:2 (from 52.68 +/- 0.50% to 57.11 +/- 0.40%) and C20:2 (from 4.34 +/- 0.02% to 4.54 +/- 0.03%) in black cumin seed oil. The contents of total polyphenols, flavonoids, and carotenoids, as well as antioxidant activity measured by ferric-reducing ability of plasma assay, were found to be greater in the oil from the seeds of plants treated with the PGPB, compared with the respective non-treated samples. CONCLUSIONThe use of PGPB enhances plant nutritive properties; these represent a great source for obtaining valuable functional food ingredients.
PB  - Wiley, Hoboken
T2  - Journal of the Science of Food and Agriculture
T1  - Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil
EP  - 1590
IS  - 4
SP  - 1584
VL  - 98
DO  - 10.1002/jsfa.8631
ER  - 
@article{
author = "Dimitrijević, Snežana and Pavlović, Marija and Maksimović, Svetolik and Ristić, Mihailo S. and Filipović, Vladimir and Antonović, Dušan and Dimitrijević-Branković, Suzana",
year = "2018",
abstract = "BACKGROUNDIn order to study the influence of plant growth-promoting bacteria (PGPB) belonging to Streptomyces sp., Paenibacillus sp., and Hymenobacter sp. on fixed oil content of flaxseed and black cumin, 2-year field experiments were conducted. PGPB was applied during seedtime of plants. The extraction of oil from seeds was performed using supercritical CO2. RESULTSThe addition of PGPB significantly increases the content of C18:1 (from 16.060.03% to 16.97 +/- 0.03%) and C18:3 (from 42.97 +/- 0.2% to 45.42 +/- 0.5%) in flaxseed oil and C18:2 (from 52.68 +/- 0.50% to 57.11 +/- 0.40%) and C20:2 (from 4.34 +/- 0.02% to 4.54 +/- 0.03%) in black cumin seed oil. The contents of total polyphenols, flavonoids, and carotenoids, as well as antioxidant activity measured by ferric-reducing ability of plasma assay, were found to be greater in the oil from the seeds of plants treated with the PGPB, compared with the respective non-treated samples. CONCLUSIONThe use of PGPB enhances plant nutritive properties; these represent a great source for obtaining valuable functional food ingredients.",
publisher = "Wiley, Hoboken",
journal = "Journal of the Science of Food and Agriculture",
title = "Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil",
pages = "1590-1584",
number = "4",
volume = "98",
doi = "10.1002/jsfa.8631"
}
Dimitrijević, S., Pavlović, M., Maksimović, S., Ristić, M. S., Filipović, V., Antonović, D.,& Dimitrijević-Branković, S.. (2018). Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil. in Journal of the Science of Food and Agriculture
Wiley, Hoboken., 98(4), 1584-1590.
https://doi.org/10.1002/jsfa.8631
Dimitrijević S, Pavlović M, Maksimović S, Ristić MS, Filipović V, Antonović D, Dimitrijević-Branković S. Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil. in Journal of the Science of Food and Agriculture. 2018;98(4):1584-1590.
doi:10.1002/jsfa.8631 .
Dimitrijević, Snežana, Pavlović, Marija, Maksimović, Svetolik, Ristić, Mihailo S., Filipović, Vladimir, Antonović, Dušan, Dimitrijević-Branković, Suzana, "Plant growth-promoting bacteria elevate the nutritional and functional properties of black cumin and flaxseed fixed oil" in Journal of the Science of Food and Agriculture, 98, no. 4 (2018):1584-1590,
https://doi.org/10.1002/jsfa.8631 . .
1
21
13
19

Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents

Buntić, Aneta; Pavlović, Marija; Antonović, Dušan; Pavlović, Vladimir; Vrucinić, Dragana; Šiler-Marinković, Slavica; Dimitrijević-Branković, Suzana

(Elsevier Science Bv, Amsterdam, 2018)

TY  - JOUR
AU  - Buntić, Aneta
AU  - Pavlović, Marija
AU  - Antonović, Dušan
AU  - Pavlović, Vladimir
AU  - Vrucinić, Dragana
AU  - Šiler-Marinković, Slavica
AU  - Dimitrijević-Branković, Suzana
PY  - 2018
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3993
AB  - This study has explored the possibility to reuse the waste, spent coffee material for the cellulase enzyme immobilization. By the coffee surface modification with different activating agents, it was attempted to develop the convenient method for creation of a capable porous carrier for this purpose. Among the most common activating agents, glutaraldehyde, chlorine dioxide and hydrogen peroxide provided the most acceptable choice for the coffee surface modification. The changes that occurred on the coffee surface due to agents' treatment exposure were recorded by using of the FTIR spectra and SEM micrographs. The highest immobilization yield (55%) and immobilization efficiency (45%) were attained during 30 min of the treatment time, by employing of 30% chlorine dioxide aqueous solution within 6 mL/g activator/carrier ratio. The kinetic process was found to be predicted by the pseudo-second-order model. The cellulase immobilization onto the coffee surface provides an excellent base for increasing the enzyme availability to the substrate and enhancing the enzyme productivity, by offering the new perspectives to the industrial sector.
PB  - Elsevier Science Bv, Amsterdam
T2  - International Journal of Biological Macromolecules
T1  - Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents
EP  - 1863
SP  - 1856
VL  - 107
DO  - 10.1016/j.ijbiomac.2017.10.060
ER  - 
@article{
author = "Buntić, Aneta and Pavlović, Marija and Antonović, Dušan and Pavlović, Vladimir and Vrucinić, Dragana and Šiler-Marinković, Slavica and Dimitrijević-Branković, Suzana",
year = "2018",
abstract = "This study has explored the possibility to reuse the waste, spent coffee material for the cellulase enzyme immobilization. By the coffee surface modification with different activating agents, it was attempted to develop the convenient method for creation of a capable porous carrier for this purpose. Among the most common activating agents, glutaraldehyde, chlorine dioxide and hydrogen peroxide provided the most acceptable choice for the coffee surface modification. The changes that occurred on the coffee surface due to agents' treatment exposure were recorded by using of the FTIR spectra and SEM micrographs. The highest immobilization yield (55%) and immobilization efficiency (45%) were attained during 30 min of the treatment time, by employing of 30% chlorine dioxide aqueous solution within 6 mL/g activator/carrier ratio. The kinetic process was found to be predicted by the pseudo-second-order model. The cellulase immobilization onto the coffee surface provides an excellent base for increasing the enzyme availability to the substrate and enhancing the enzyme productivity, by offering the new perspectives to the industrial sector.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "International Journal of Biological Macromolecules",
title = "Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents",
pages = "1863-1856",
volume = "107",
doi = "10.1016/j.ijbiomac.2017.10.060"
}
Buntić, A., Pavlović, M., Antonović, D., Pavlović, V., Vrucinić, D., Šiler-Marinković, S.,& Dimitrijević-Branković, S.. (2018). Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents. in International Journal of Biological Macromolecules
Elsevier Science Bv, Amsterdam., 107, 1856-1863.
https://doi.org/10.1016/j.ijbiomac.2017.10.060
Buntić A, Pavlović M, Antonović D, Pavlović V, Vrucinić D, Šiler-Marinković S, Dimitrijević-Branković S. Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents. in International Journal of Biological Macromolecules. 2018;107:1856-1863.
doi:10.1016/j.ijbiomac.2017.10.060 .
Buntić, Aneta, Pavlović, Marija, Antonović, Dušan, Pavlović, Vladimir, Vrucinić, Dragana, Šiler-Marinković, Slavica, Dimitrijević-Branković, Suzana, "Customizing the spent coffee for Trichoderma reesei cellulase immobilization by modification with activating agents" in International Journal of Biological Macromolecules, 107 (2018):1856-1863,
https://doi.org/10.1016/j.ijbiomac.2017.10.060 . .
10
6
9

A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6

Buntić, Aneta; Pavlović, Marija D.; Antonović, Dušan; Šiler-Marinković, Slavica; Dimitrijević-Branković, Suzana

(Elsevier Sci Ltd, Oxford, 2017)

TY  - JOUR
AU  - Buntić, Aneta
AU  - Pavlović, Marija D.
AU  - Antonović, Dušan
AU  - Šiler-Marinković, Slavica
AU  - Dimitrijević-Branković, Suzana
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3750
AB  - This study has investigated the biodegradable potential of the Streptomyces microflavus CKS6 growing microbial cells for the colored waste water treatment. The Crystal violet and Safranin T basic dyes have been employed as a model compounds for decolorization evaluation by exploring the correlation with the other rate-dependent environmental parameters. Through the measuring of color reduction by UV Vis spectroscopic monitoring analysis, the results revealed well operational properties of Streptomyces microflavus CKS6 for the successful refinement of dyes contaminate water solutions. Optimized process parameters were found to be apparently mild, involving the use of the reaction temperature of 27-30 degrees C and pH 6-7. With the lower dye concentrations, the decolorization efficiency was found to be more effective and rapid, wherein the 1 mg/L of Crystal violet was removed within the 2.5 h of the treatment time, while the solution with the same content of the Safranin T dye required 30 h. A possible mechanism for the working medium decolorization was accomplished in two consecutive steps, by the primarily dye adsorption onto the bacterial cells surface, followed to biodegradation by the active microbial enzymatic system, wherein the lignin peroxidase acts a notable role. The phytotoxicity analysis of the degradation products revealed less toxicity to the plants, compared to parental chemicals. In addition, the adaptation of individual dye optimized parameters was effectively implemented in the real waste water system containing the mixture of these two dyes. The overall results may postulate that Streptomyces microflavus CKS6 may be promising applicants for dye contaminated Water treatment.
PB  - Elsevier Sci Ltd, Oxford
T2  - Journal of Cleaner Production
T1  - A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6
EP  - 354
SP  - 347
VL  - 148
DO  - 10.1016/j.jclepro.2017.01.164
ER  - 
@article{
author = "Buntić, Aneta and Pavlović, Marija D. and Antonović, Dušan and Šiler-Marinković, Slavica and Dimitrijević-Branković, Suzana",
year = "2017",
abstract = "This study has investigated the biodegradable potential of the Streptomyces microflavus CKS6 growing microbial cells for the colored waste water treatment. The Crystal violet and Safranin T basic dyes have been employed as a model compounds for decolorization evaluation by exploring the correlation with the other rate-dependent environmental parameters. Through the measuring of color reduction by UV Vis spectroscopic monitoring analysis, the results revealed well operational properties of Streptomyces microflavus CKS6 for the successful refinement of dyes contaminate water solutions. Optimized process parameters were found to be apparently mild, involving the use of the reaction temperature of 27-30 degrees C and pH 6-7. With the lower dye concentrations, the decolorization efficiency was found to be more effective and rapid, wherein the 1 mg/L of Crystal violet was removed within the 2.5 h of the treatment time, while the solution with the same content of the Safranin T dye required 30 h. A possible mechanism for the working medium decolorization was accomplished in two consecutive steps, by the primarily dye adsorption onto the bacterial cells surface, followed to biodegradation by the active microbial enzymatic system, wherein the lignin peroxidase acts a notable role. The phytotoxicity analysis of the degradation products revealed less toxicity to the plants, compared to parental chemicals. In addition, the adaptation of individual dye optimized parameters was effectively implemented in the real waste water system containing the mixture of these two dyes. The overall results may postulate that Streptomyces microflavus CKS6 may be promising applicants for dye contaminated Water treatment.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Journal of Cleaner Production",
title = "A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6",
pages = "354-347",
volume = "148",
doi = "10.1016/j.jclepro.2017.01.164"
}
Buntić, A., Pavlović, M. D., Antonović, D., Šiler-Marinković, S.,& Dimitrijević-Branković, S.. (2017). A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6. in Journal of Cleaner Production
Elsevier Sci Ltd, Oxford., 148, 347-354.
https://doi.org/10.1016/j.jclepro.2017.01.164
Buntić A, Pavlović MD, Antonović D, Šiler-Marinković S, Dimitrijević-Branković S. A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6. in Journal of Cleaner Production. 2017;148:347-354.
doi:10.1016/j.jclepro.2017.01.164 .
Buntić, Aneta, Pavlović, Marija D., Antonović, Dušan, Šiler-Marinković, Slavica, Dimitrijević-Branković, Suzana, "A treatment of wastewater containing basic dyes by the use of new strain Streptomyces microflavus CKS6" in Journal of Cleaner Production, 148 (2017):347-354,
https://doi.org/10.1016/j.jclepro.2017.01.164 . .
32
17
31

Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River

Crnković, Dragan; Antanasijević, Davor; Pocajt, Viktor; Perić-Grujić, Aleksandra; Antonović, Dušan; Ristić, Mirjana

(Elsevier, Amsterdam, 2016)

TY  - JOUR
AU  - Crnković, Dragan
AU  - Antanasijević, Davor
AU  - Pocajt, Viktor
AU  - Perić-Grujić, Aleksandra
AU  - Antonović, Dušan
AU  - Ristić, Mirjana
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3274
AB  - The aim of this study was to evaluate the quality of freshwater sediments by means of three chemometric techniques for multi-criteria analysis and decision: self-organizing network (SON), self-organizing map (SOM) and PROMETHEE&GAIA (Preference Ranking Organization Method for Enrichment Evaluation with Geometrical Analysis for Interactive Aid). Selected chemometric techniques were applied to the results of Pb, Cd, Zn, Cu, Ni, Cr, Hg and As content in thirty Danube and fourteen Sava river sediment samples from Serbia. The potential toxicity of sediments was estimated using Probable Effect Concentrations quotients (mean PEC-Q). According to the SON analysis the Danube sediment samples were divided into three classes, Class I (mean PEC-Q range 0.27-0.51), Class II (mean PEC-Qrange 0:50-0.70), and Class III (mean PEC-Qrange 0.77-0.97), while the Sava samples were divided into two classes, Class II (two samples, mean PEC-Qvalues 0.65 and 0.69) and Class III (mean PEC-Q range 0.69-1.00). Using the SOM cluster analysis, both Danube and Sava sediment samples were classified into five subclusters, on the basis of the metal concentration level and further ranked into three levels (for remediation, moderately polluted and not polluted) by the use of multi-criteria ranking PROMETHEE method. Graphical presentation of the results obtained by PROMETHEE method using GAIA descriptive tool has provided an insight into the distribution of examined elements in sediments and has shown a significant correlation between some elements. On the basis of the results obtained, it has been concluded that the proposed chemometric approach could provide useful information in the sediment quality assessment.
PB  - Elsevier, Amsterdam
T2  - Catena
T1  - Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River
EP  - 22
SP  - 11
VL  - 144
DO  - 10.1016/j.catena.2016.04.025
ER  - 
@article{
author = "Crnković, Dragan and Antanasijević, Davor and Pocajt, Viktor and Perić-Grujić, Aleksandra and Antonović, Dušan and Ristić, Mirjana",
year = "2016",
abstract = "The aim of this study was to evaluate the quality of freshwater sediments by means of three chemometric techniques for multi-criteria analysis and decision: self-organizing network (SON), self-organizing map (SOM) and PROMETHEE&GAIA (Preference Ranking Organization Method for Enrichment Evaluation with Geometrical Analysis for Interactive Aid). Selected chemometric techniques were applied to the results of Pb, Cd, Zn, Cu, Ni, Cr, Hg and As content in thirty Danube and fourteen Sava river sediment samples from Serbia. The potential toxicity of sediments was estimated using Probable Effect Concentrations quotients (mean PEC-Q). According to the SON analysis the Danube sediment samples were divided into three classes, Class I (mean PEC-Q range 0.27-0.51), Class II (mean PEC-Qrange 0:50-0.70), and Class III (mean PEC-Qrange 0.77-0.97), while the Sava samples were divided into two classes, Class II (two samples, mean PEC-Qvalues 0.65 and 0.69) and Class III (mean PEC-Q range 0.69-1.00). Using the SOM cluster analysis, both Danube and Sava sediment samples were classified into five subclusters, on the basis of the metal concentration level and further ranked into three levels (for remediation, moderately polluted and not polluted) by the use of multi-criteria ranking PROMETHEE method. Graphical presentation of the results obtained by PROMETHEE method using GAIA descriptive tool has provided an insight into the distribution of examined elements in sediments and has shown a significant correlation between some elements. On the basis of the results obtained, it has been concluded that the proposed chemometric approach could provide useful information in the sediment quality assessment.",
publisher = "Elsevier, Amsterdam",
journal = "Catena",
title = "Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River",
pages = "22-11",
volume = "144",
doi = "10.1016/j.catena.2016.04.025"
}
Crnković, D., Antanasijević, D., Pocajt, V., Perić-Grujić, A., Antonović, D.,& Ristić, M.. (2016). Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River. in Catena
Elsevier, Amsterdam., 144, 11-22.
https://doi.org/10.1016/j.catena.2016.04.025
Crnković D, Antanasijević D, Pocajt V, Perić-Grujić A, Antonović D, Ristić M. Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River. in Catena. 2016;144:11-22.
doi:10.1016/j.catena.2016.04.025 .
Crnković, Dragan, Antanasijević, Davor, Pocajt, Viktor, Perić-Grujić, Aleksandra, Antonović, Dušan, Ristić, Mirjana, "Unsupervised classification and multi-criteria decision analysis as chemometric tools for the assessment of sediment quality: A case study of the Danube and Sava River" in Catena, 144 (2016):11-22,
https://doi.org/10.1016/j.catena.2016.04.025 . .
16
12
16

Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization

Buntić, Aneta; Pavlović, Marija D.; Antonović, Dušan; Šiler-Marinković, Slavica; Dimitrijević-Branković, Suzana

(Elsevier Sci Ltd, Oxford, 2016)

TY  - JOUR
AU  - Buntić, Aneta
AU  - Pavlović, Marija D.
AU  - Antonović, Dušan
AU  - Šiler-Marinković, Slavica
AU  - Dimitrijević-Branković, Suzana
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3414
AB  - This study has explored the feasibility of using spent coffee grounds as a good supporting material for the Paenibacillus chitinolyticus CKS1 cellulase immobilization. An optimal operational conditions in a batch-adsorption system were found to be: carrier mass of 12 g/L, under the temperature of 45 degrees C and no pH adjustments. The immobilization yield reached about 71%. An equilibrium establishment between the cellulase and the carrier surface occurred within 45 min, whereas the process kinetics may be predicted by the pseudo-second-order model. An immobilized cellulase preparation expressed very good avicelase activity, this reached up to 2.67 U/g, and revealed an improved storage stability property, compared to free enzyme sample counterpart. The addition of metal ions, such as K+ and Mg2+ did not affect positively immobilization yield results, but on the contrary, contributed to an improved bio-activities of the immobilized cellulase, thus may be employed before each enzyme application. The method developed in this study offers a cheap and effective alternative for immediate enzyme isolation from the production medium and its stabilization, compared to other carriers used for the immobilization.
PB  - Elsevier Sci Ltd, Oxford
T2  - Heliyon
T1  - Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization
IS  - 8
VL  - 2
DO  - 10.1016/j.heliyon.2016.e00146
ER  - 
@article{
author = "Buntić, Aneta and Pavlović, Marija D. and Antonović, Dušan and Šiler-Marinković, Slavica and Dimitrijević-Branković, Suzana",
year = "2016",
abstract = "This study has explored the feasibility of using spent coffee grounds as a good supporting material for the Paenibacillus chitinolyticus CKS1 cellulase immobilization. An optimal operational conditions in a batch-adsorption system were found to be: carrier mass of 12 g/L, under the temperature of 45 degrees C and no pH adjustments. The immobilization yield reached about 71%. An equilibrium establishment between the cellulase and the carrier surface occurred within 45 min, whereas the process kinetics may be predicted by the pseudo-second-order model. An immobilized cellulase preparation expressed very good avicelase activity, this reached up to 2.67 U/g, and revealed an improved storage stability property, compared to free enzyme sample counterpart. The addition of metal ions, such as K+ and Mg2+ did not affect positively immobilization yield results, but on the contrary, contributed to an improved bio-activities of the immobilized cellulase, thus may be employed before each enzyme application. The method developed in this study offers a cheap and effective alternative for immediate enzyme isolation from the production medium and its stabilization, compared to other carriers used for the immobilization.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Heliyon",
title = "Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization",
number = "8",
volume = "2",
doi = "10.1016/j.heliyon.2016.e00146"
}
Buntić, A., Pavlović, M. D., Antonović, D., Šiler-Marinković, S.,& Dimitrijević-Branković, S.. (2016). Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization. in Heliyon
Elsevier Sci Ltd, Oxford., 2(8).
https://doi.org/10.1016/j.heliyon.2016.e00146
Buntić A, Pavlović MD, Antonović D, Šiler-Marinković S, Dimitrijević-Branković S. Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization. in Heliyon. 2016;2(8).
doi:10.1016/j.heliyon.2016.e00146 .
Buntić, Aneta, Pavlović, Marija D., Antonović, Dušan, Šiler-Marinković, Slavica, Dimitrijević-Branković, Suzana, "Utilization of spent coffee grounds for isolation and stabilization of Paenibacillus chitinolyticus CKS1 cellulase by immobilization" in Heliyon, 2, no. 8 (2016),
https://doi.org/10.1016/j.heliyon.2016.e00146 . .
2
21
10
18

Novel biosensor films based on chitosan

Nešić, Aleksandra; Onjia, Antonije; Ostojić, Sanja B.; Micić, Darko; Veličković, Sava; Antonović, Dušan

(Elsevier Science Bv, Amsterdam, 2016)

TY  - JOUR
AU  - Nešić, Aleksandra
AU  - Onjia, Antonije
AU  - Ostojić, Sanja B.
AU  - Micić, Darko
AU  - Veličković, Sava
AU  - Antonović, Dušan
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3384
AB  - Films of chitosan and poly(itaconic acid) in various different ratios have been prepared by membrane casting. The enhancement in the proton conductivity and uptake of water was observed as the content of poly(itaconic acid) in film increased. The proton conductivity of chitosan/poly(itaconic) films was comparative with commercially used synthetic sensor Nafion 117. Films showed thermal stability up to 185 degrees C. The proposed experiment might open up a new possibility for use of chitosan/poly(itaconic acid) films as a biosensors due to their advantages: low cost, simple preparation and good conductive sensitivity.
PB  - Elsevier Science Bv, Amsterdam
T2  - Materials Letters
T1  - Novel biosensor films based on chitosan
EP  - 49
SP  - 47
VL  - 167
DO  - 10.1016/j.matlet.2015.12.124
ER  - 
@article{
author = "Nešić, Aleksandra and Onjia, Antonije and Ostojić, Sanja B. and Micić, Darko and Veličković, Sava and Antonović, Dušan",
year = "2016",
abstract = "Films of chitosan and poly(itaconic acid) in various different ratios have been prepared by membrane casting. The enhancement in the proton conductivity and uptake of water was observed as the content of poly(itaconic acid) in film increased. The proton conductivity of chitosan/poly(itaconic) films was comparative with commercially used synthetic sensor Nafion 117. Films showed thermal stability up to 185 degrees C. The proposed experiment might open up a new possibility for use of chitosan/poly(itaconic acid) films as a biosensors due to their advantages: low cost, simple preparation and good conductive sensitivity.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Materials Letters",
title = "Novel biosensor films based on chitosan",
pages = "49-47",
volume = "167",
doi = "10.1016/j.matlet.2015.12.124"
}
Nešić, A., Onjia, A., Ostojić, S. B., Micić, D., Veličković, S.,& Antonović, D.. (2016). Novel biosensor films based on chitosan. in Materials Letters
Elsevier Science Bv, Amsterdam., 167, 47-49.
https://doi.org/10.1016/j.matlet.2015.12.124
Nešić A, Onjia A, Ostojić SB, Micić D, Veličković S, Antonović D. Novel biosensor films based on chitosan. in Materials Letters. 2016;167:47-49.
doi:10.1016/j.matlet.2015.12.124 .
Nešić, Aleksandra, Onjia, Antonije, Ostojić, Sanja B., Micić, Darko, Veličković, Sava, Antonović, Dušan, "Novel biosensor films based on chitosan" in Materials Letters, 167 (2016):47-49,
https://doi.org/10.1016/j.matlet.2015.12.124 . .
7
4
6

Plant waste materials from restaurants as the adsorbents for dyes

Pavlović, Marija D.; Nikolić, Ivan R.; Milutinović, Milica; Dimitrijević-Branković, Suzana; Šiler-Marinković, Slavica; Antonović, Dušan

(Association of Chemical Engineers of Serbia, 2015)

TY  - JOUR
AU  - Pavlović, Marija D.
AU  - Nikolić, Ivan R.
AU  - Milutinović, Milica
AU  - Dimitrijević-Branković, Suzana
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2884
AB  - This paper has demonstrated the valorization of inexpensive and readily available restaurant waste containing most consumed food and beverage residues as adsorbents for methylene blue dye. Coffee, tea, lettuce and citrus waste have been utilized without any pre-treatment, thus the adsorption capacities and dye removal efficiency were determined. Coffee waste showed the highest adsorbent capacity, followed by tea, lettuce and citrus waste. The dye removal was more effective as dye concentration increases from 5 up to 60 mg/L. The favorable results obtained for lettuce waste have been especially encouraged, as this material has not been commonly employed for sorption purposes. Equilibrium data fitted very well in a Freundlich isotherm model, whereas pseudo-second- order kinetic model describes the process behavior. Restaurant waste performed rapid dye removal at no cost, so it can be adopted and widely used in industries for contaminated water treatment.
AB  - Metilen plavo je bazna boja sa strukturom heterocikličnog aromatičnog jedinjenja, koja se u dobu savremenog društva često koristi za bojenje raznih tipova materijala. Efluenti iz industrije boja predstavljaju jednu od najproblematičnijih vrsta otpadnih voda za tretiranje, usled njihove velike biološke i hemijske potrebe za kiseonikom. Pored toga, toksičnost i teško razgradiva priroda boja mogu značajno uticati na fotosintetičku aktivnost vodenog sveta. Adsorpcijom na čvrstim nosačima mogu se ukloniti, odnosno, svesti na minimum razni tipovi zagađivača, zbog čega ova tehnika ima široku primenu u kontroli zagađenja voda. S tim u vezi, ispitivana je mogućnost iskorišćenja sirovog otpada iz restorana za adsorpciju i uklanjanje boje metilen plavo iz vodenih rastvora. U radu su određivani adsorpcioni kapaciteti otpadnih sirovina najčešće konzumiranih namirnica, uključujući kafu, čaj, zelenu salatu i mešavinu citrusnog voća (citrusa). Proces adsorpcije izveden je u šaržnom režimu, uz mešanje na tresilici, u uslovima ambijentalne temperature. Efikasnost procesa praćena je u zavisnosti od promene koncentracije boje u radnim rastvorima. Pokazano je da otpadna kafa ispoljava najviši adsorpcioni kapacitet, a za njom otpadni čaj, zelena salata i citrusi, redom. Nakon 30 min odigravanja reakcije, na kafi se vezalo gotovo 90%, dok na čaju 80%, zelenoj salati 60% i citrusima 30% od početne koncentracije rastvora boje. Vezivanje boje na adsorbentima bilo je efikasnije u slučajevima kada je koncentracija rastvora boje rasla od 5 do 60 mg/L. Na osnovu ispitivanja najčešće primenjivanih modela izo- termi za definisanje adsorpcione ravnoteže, pronađeno je da su ravnotežni podaci, u slučajevima svih vrsta adsorbenata, bili u skladu sa Frojndlihovom adsorpcionom izotermom. S tim u vezi, smatra se da je proces odigravanja reakcije baziran na interakcijama između molekula boje i funkcionalnih grupa na heterogenoj površini adsorbenata. Kinetika i mehanizam reakcija opisani su po principu modela pseudo-drugog reda, koji se zasniva na pretpostavci da hemisorpcija, odnosno stvaranje hemijskih veza između adsorbenta i adsorbata, kontroliše celokupan tok reakcija. Iskorišćenjem sirovog otpada iz restorana može se doći do ekonomski isplativog rešenja za brzo i efikasno uklanjanje toksičnih i teško raz- gradivih boja iz vodenih rastvora. Smatra se da ova vrsta otpadnog materijala može naći svoju primenu u brojnim adsorpcionim procesima, u prvom redu onim koji se zasnivaju na tretmanima prečišćavanja otpadnih i pijaćih voda.
PB  - Association of Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - Plant waste materials from restaurants as the adsorbents for dyes
T1  - Iskorišćenje sirovog otpada iz restorana za adsorpciju boja
EP  - 677
IS  - 6
SP  - 667
VL  - 69
DO  - 10.2298/HEMIND140917089P
ER  - 
@article{
author = "Pavlović, Marija D. and Nikolić, Ivan R. and Milutinović, Milica and Dimitrijević-Branković, Suzana and Šiler-Marinković, Slavica and Antonović, Dušan",
year = "2015",
abstract = "This paper has demonstrated the valorization of inexpensive and readily available restaurant waste containing most consumed food and beverage residues as adsorbents for methylene blue dye. Coffee, tea, lettuce and citrus waste have been utilized without any pre-treatment, thus the adsorption capacities and dye removal efficiency were determined. Coffee waste showed the highest adsorbent capacity, followed by tea, lettuce and citrus waste. The dye removal was more effective as dye concentration increases from 5 up to 60 mg/L. The favorable results obtained for lettuce waste have been especially encouraged, as this material has not been commonly employed for sorption purposes. Equilibrium data fitted very well in a Freundlich isotherm model, whereas pseudo-second- order kinetic model describes the process behavior. Restaurant waste performed rapid dye removal at no cost, so it can be adopted and widely used in industries for contaminated water treatment., Metilen plavo je bazna boja sa strukturom heterocikličnog aromatičnog jedinjenja, koja se u dobu savremenog društva često koristi za bojenje raznih tipova materijala. Efluenti iz industrije boja predstavljaju jednu od najproblematičnijih vrsta otpadnih voda za tretiranje, usled njihove velike biološke i hemijske potrebe za kiseonikom. Pored toga, toksičnost i teško razgradiva priroda boja mogu značajno uticati na fotosintetičku aktivnost vodenog sveta. Adsorpcijom na čvrstim nosačima mogu se ukloniti, odnosno, svesti na minimum razni tipovi zagađivača, zbog čega ova tehnika ima široku primenu u kontroli zagađenja voda. S tim u vezi, ispitivana je mogućnost iskorišćenja sirovog otpada iz restorana za adsorpciju i uklanjanje boje metilen plavo iz vodenih rastvora. U radu su određivani adsorpcioni kapaciteti otpadnih sirovina najčešće konzumiranih namirnica, uključujući kafu, čaj, zelenu salatu i mešavinu citrusnog voća (citrusa). Proces adsorpcije izveden je u šaržnom režimu, uz mešanje na tresilici, u uslovima ambijentalne temperature. Efikasnost procesa praćena je u zavisnosti od promene koncentracije boje u radnim rastvorima. Pokazano je da otpadna kafa ispoljava najviši adsorpcioni kapacitet, a za njom otpadni čaj, zelena salata i citrusi, redom. Nakon 30 min odigravanja reakcije, na kafi se vezalo gotovo 90%, dok na čaju 80%, zelenoj salati 60% i citrusima 30% od početne koncentracije rastvora boje. Vezivanje boje na adsorbentima bilo je efikasnije u slučajevima kada je koncentracija rastvora boje rasla od 5 do 60 mg/L. Na osnovu ispitivanja najčešće primenjivanih modela izo- termi za definisanje adsorpcione ravnoteže, pronađeno je da su ravnotežni podaci, u slučajevima svih vrsta adsorbenata, bili u skladu sa Frojndlihovom adsorpcionom izotermom. S tim u vezi, smatra se da je proces odigravanja reakcije baziran na interakcijama između molekula boje i funkcionalnih grupa na heterogenoj površini adsorbenata. Kinetika i mehanizam reakcija opisani su po principu modela pseudo-drugog reda, koji se zasniva na pretpostavci da hemisorpcija, odnosno stvaranje hemijskih veza između adsorbenta i adsorbata, kontroliše celokupan tok reakcija. Iskorišćenjem sirovog otpada iz restorana može se doći do ekonomski isplativog rešenja za brzo i efikasno uklanjanje toksičnih i teško raz- gradivih boja iz vodenih rastvora. Smatra se da ova vrsta otpadnog materijala može naći svoju primenu u brojnim adsorpcionim procesima, u prvom redu onim koji se zasnivaju na tretmanima prečišćavanja otpadnih i pijaćih voda.",
publisher = "Association of Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "Plant waste materials from restaurants as the adsorbents for dyes, Iskorišćenje sirovog otpada iz restorana za adsorpciju boja",
pages = "677-667",
number = "6",
volume = "69",
doi = "10.2298/HEMIND140917089P"
}
Pavlović, M. D., Nikolić, I. R., Milutinović, M., Dimitrijević-Branković, S., Šiler-Marinković, S.,& Antonović, D.. (2015). Plant waste materials from restaurants as the adsorbents for dyes. in Hemijska industrija
Association of Chemical Engineers of Serbia., 69(6), 667-677.
https://doi.org/10.2298/HEMIND140917089P
Pavlović MD, Nikolić IR, Milutinović M, Dimitrijević-Branković S, Šiler-Marinković S, Antonović D. Plant waste materials from restaurants as the adsorbents for dyes. in Hemijska industrija. 2015;69(6):667-677.
doi:10.2298/HEMIND140917089P .
Pavlović, Marija D., Nikolić, Ivan R., Milutinović, Milica, Dimitrijević-Branković, Suzana, Šiler-Marinković, Slavica, Antonović, Dušan, "Plant waste materials from restaurants as the adsorbents for dyes" in Hemijska industrija, 69, no. 6 (2015):667-677,
https://doi.org/10.2298/HEMIND140917089P . .
12
7
9

Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds

Pavlović, Marija D.; Buntić, Aneta; Šiler-Marinković, Slavica; Antonović, Dušan; Dimitrijević-Branković, Suzana

(Springer, New York, 2015)

TY  - JOUR
AU  - Pavlović, Marija D.
AU  - Buntić, Aneta
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
AU  - Dimitrijević-Branković, Suzana
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3117
AB  - Activated carbons from spent coffee grounds have been prepared for column adsorption of main green tea polyphenol (-)-epigallocatechingallate (EGCG). The response surface methodology was used to estimate the influence of testing variables on process effectiveness, and a good agreement was found between experimental and predicted data. Adsorption of EGCG occurred in a high ratio, and desorption process in predominantly water solutions was proven to be feasible, and thus, it recovered more than 80 % of the polyphenols. Further, the adsorbent has expressed the selectivity property, revealing the removal of EGCG in much higher content compared to other polyphenol's group. Obtained fractions of recovered EGCG have undergone just a slight bioactive loss, indicating that such adsorption/desorption performance was mild and appropriate for product stabilization. The kinetic data followed the pseudo-second-order model, and the equilibrium data fitted very well in a Freundlich isotherm equation. The investigation into binding of EGCG from green tea extract revealed that transfer of the results from model experiments to more complex real food systems may be feasible. The favorable results from the overall process suggest that coffee residues may be promising alternatives to organic resins for polyphenols recovery through improved cost efficiency.
PB  - Springer, New York
T2  - European Food Research and Technology
T1  - Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds
EP  - 412
IS  - 3
SP  - 399
VL  - 241
DO  - 10.1007/s00217-015-2472-4
ER  - 
@article{
author = "Pavlović, Marija D. and Buntić, Aneta and Šiler-Marinković, Slavica and Antonović, Dušan and Dimitrijević-Branković, Suzana",
year = "2015",
abstract = "Activated carbons from spent coffee grounds have been prepared for column adsorption of main green tea polyphenol (-)-epigallocatechingallate (EGCG). The response surface methodology was used to estimate the influence of testing variables on process effectiveness, and a good agreement was found between experimental and predicted data. Adsorption of EGCG occurred in a high ratio, and desorption process in predominantly water solutions was proven to be feasible, and thus, it recovered more than 80 % of the polyphenols. Further, the adsorbent has expressed the selectivity property, revealing the removal of EGCG in much higher content compared to other polyphenol's group. Obtained fractions of recovered EGCG have undergone just a slight bioactive loss, indicating that such adsorption/desorption performance was mild and appropriate for product stabilization. The kinetic data followed the pseudo-second-order model, and the equilibrium data fitted very well in a Freundlich isotherm equation. The investigation into binding of EGCG from green tea extract revealed that transfer of the results from model experiments to more complex real food systems may be feasible. The favorable results from the overall process suggest that coffee residues may be promising alternatives to organic resins for polyphenols recovery through improved cost efficiency.",
publisher = "Springer, New York",
journal = "European Food Research and Technology",
title = "Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds",
pages = "412-399",
number = "3",
volume = "241",
doi = "10.1007/s00217-015-2472-4"
}
Pavlović, M. D., Buntić, A., Šiler-Marinković, S., Antonović, D.,& Dimitrijević-Branković, S.. (2015). Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds. in European Food Research and Technology
Springer, New York., 241(3), 399-412.
https://doi.org/10.1007/s00217-015-2472-4
Pavlović MD, Buntić A, Šiler-Marinković S, Antonović D, Dimitrijević-Branković S. Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds. in European Food Research and Technology. 2015;241(3):399-412.
doi:10.1007/s00217-015-2472-4 .
Pavlović, Marija D., Buntić, Aneta, Šiler-Marinković, Slavica, Antonović, Dušan, Dimitrijević-Branković, Suzana, "Recovery of (-)-epigallocatechingallate (EGCG) from aqueous solution by selective adsorption onto spent coffee grounds" in European Food Research and Technology, 241, no. 3 (2015):399-412,
https://doi.org/10.1007/s00217-015-2472-4 . .
3
3
3

Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater

Nešić, Aleksandra; Onjia, Antonije; Veličković, Sava; Antonović, Dušan

(Springer Int Publishing Ag, Cham, 2015)

TY  - CONF
AU  - Nešić, Aleksandra
AU  - Onjia, Antonije
AU  - Veličković, Sava
AU  - Antonović, Dušan
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3079
AB  - Environmental protection has been a topic of great interest in recent years. Discharging azo dyes in aquatic systems contaminates water and causes serious ecological problems. Azo dyes are bio-accumulative, and, due to allergenic, carcinogenic and mutagenic properties, are a grave threat to people and the environment. Because of economic feasibility, simplicity and a high efficiency, adsorption is the most suitable process for treatment of wastewater. The increasingly interesting bio-degradable adsorbents are those that stem from ecologically and economically sustainable sources. The aim of the study is preparation and characterisation of polymer complexes based on naturally occurring polysaccharide-chitosan and poly( itaconic acid), as an adsorbent for removal of Reactive Orange 16 dye from wastewater. The complexes are characterised by Fourier-Transform Infrared Spectroscopy and Scanning electron microscopy. The effect of initial dye concentration, temperature and pH value of the solution on the adsorption capacities is investigated. Comparison of the obtained results with reported data shows the studied complex being an efficiently replacement for conventional adsorbents removing Reactive Orange 16 from wastewater.
PB  - Springer Int Publishing Ag, Cham
C3  - Sustainable Development, Knowledge Society and Smart Future Manufacturing Technologies
T1  - Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater
EP  - 251
SP  - 243
DO  - 10.1007/978-3-319-14883-0_18
ER  - 
@conference{
author = "Nešić, Aleksandra and Onjia, Antonije and Veličković, Sava and Antonović, Dušan",
year = "2015",
abstract = "Environmental protection has been a topic of great interest in recent years. Discharging azo dyes in aquatic systems contaminates water and causes serious ecological problems. Azo dyes are bio-accumulative, and, due to allergenic, carcinogenic and mutagenic properties, are a grave threat to people and the environment. Because of economic feasibility, simplicity and a high efficiency, adsorption is the most suitable process for treatment of wastewater. The increasingly interesting bio-degradable adsorbents are those that stem from ecologically and economically sustainable sources. The aim of the study is preparation and characterisation of polymer complexes based on naturally occurring polysaccharide-chitosan and poly( itaconic acid), as an adsorbent for removal of Reactive Orange 16 dye from wastewater. The complexes are characterised by Fourier-Transform Infrared Spectroscopy and Scanning electron microscopy. The effect of initial dye concentration, temperature and pH value of the solution on the adsorption capacities is investigated. Comparison of the obtained results with reported data shows the studied complex being an efficiently replacement for conventional adsorbents removing Reactive Orange 16 from wastewater.",
publisher = "Springer Int Publishing Ag, Cham",
journal = "Sustainable Development, Knowledge Society and Smart Future Manufacturing Technologies",
title = "Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater",
pages = "251-243",
doi = "10.1007/978-3-319-14883-0_18"
}
Nešić, A., Onjia, A., Veličković, S.,& Antonović, D.. (2015). Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater. in Sustainable Development, Knowledge Society and Smart Future Manufacturing Technologies
Springer Int Publishing Ag, Cham., 243-251.
https://doi.org/10.1007/978-3-319-14883-0_18
Nešić A, Onjia A, Veličković S, Antonović D. Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater. in Sustainable Development, Knowledge Society and Smart Future Manufacturing Technologies. 2015;:243-251.
doi:10.1007/978-3-319-14883-0_18 .
Nešić, Aleksandra, Onjia, Antonije, Veličković, Sava, Antonović, Dušan, "Preparation and Characterisation of Novel Biodegradable Material Based on Chitosan and Poly(Itaconic Acid) as Adsorbent for Removal of Reactive Orange 16 Dye from Wastewater" in Sustainable Development, Knowledge Society and Smart Future Manufacturing Technologies (2015):243-251,
https://doi.org/10.1007/978-3-319-14883-0_18 . .
3
3

Water Kefir grain as a source of potent dextran producing lactic acid bacteria

Davidović, Slađana; Miljković, Miona; Antonović, Dušan; Rajilić-Stojanović, Mirjana; Dimitrijević-Branković, Suzana

(Association of Chemical Engineers of Serbia, 2015)

TY  - JOUR
AU  - Davidović, Slađana
AU  - Miljković, Miona
AU  - Antonović, Dušan
AU  - Rajilić-Stojanović, Mirjana
AU  - Dimitrijević-Branković, Suzana
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2924
AB  - Water kefir is a beverage fermented by a microbial consortium captured in kefir grains. The kefir grains matrix is composed of polysaccharide, primarily dextran, which is produced by members of the microbial consortium. In this study, we have isolated lactic acid bacteria (LAB) from non-commercial water kefir grains (from Belgrade, Serbia) and screened for dextran production. Among twelve LAB isolates three produced slime colonies on modified MRS (mMRS) agar containing sucrose instead of glucose and were presumed to produce dextran. Three LAB were identified, based on morphological, physiological and biochemical characteristics and 16S rRNA sequencing, as Leuconostoc mesenteroides (strains T1 and T3) and Lactobacillus hilgardii (strain T5). The isolated strains were able to synthesize a substantial amount of dextran in mMRS broth containing 5% sucrose. Maximal yields (11.56, 18.00 and 18.46 g/l) were obtained after 16, 20 and 32 h for T1, T3 and T5, respectively. Optimal temperature for dextran production was 23oC for two Leuconostoc mesenteroides strains and 30 °C for Lactobacillus hilgardii strain. The produced dextrans were identified based on paper chromatography, while the main structure characteristics of purified dextran were observed by FT-IR spectroscopy. Our study shows that water kefir grains are a natural source of potent dextran producing LAB.
AB  - Vodeni kefir je napitak koji nastaje fermentacionom aktivnošću bakterija mlečno-kiselinskog vrenja, kvasca i sirćetnih bakterija. Ova kompleksna smeša mikroorganizama smeštena je unutar polisaharidnog matriksa - kefirnog zrna. Glavnu šećernu komponentu matriksa čini dekstran koji sintetišu bakterije mlečno-kiselinskog vrenja. Dekstran je homo polisaharid velike molekulske mase čija je monomerna jedinica glukoza. Zahvaljujući dobroj rastvorljivosti i stabilnosti, dekstran ima široku primenu u različitim granama industrije, kao što su medicina, farmacija, prehrambena, tekstilna i hemijska industrija. Nerastvorni dekstran može da posluži kao nosač za imobilizaciju biomolekula. Imajući u vidu veliku primenjivost dekstrana, cilj ovog rada je bio izolovati bakterije mlečno-kiselinskog vrenja iz zrna vodenog kefira koje produkuju ovaj egzopolisaharid sa visokim prinosima. U radu je prikazana izolacija i karakterizacija tri selektovana soja i optimizacija uslova za produkciju dekstrana. Na osnovu morfoloških, fizioloških i biohemijskih osobina i 16S rRNK sekvenciranja utvrđeno je da su izolati T1 i T3 sojevi vrste Leuconostoc mesenteroides, dok je izolat T5 identifikovan kao Lactobacillus hilgardii. Za produkciju dekstrana korišćena je modifikovana MRS podloga sa 5% saharoze, kao jedinim izvorom ugljenika. Maksimalni prinosi dekstrana (11,56, 18,00 i 18,46 g/l) su dobijeni nakon 16, 20 i 32 h fermentacije, za T1, T3 i T5, redom. Optimalne temperature za produkciju dekstrana su 23 °C za dva Leuconostoc mesenteroides soja, a za Lactobacillus hilgardii 30 °C. Uzorci sintetisanih polisaharida su identifikovani kao dekstrani na osnovu papirne hromatografije, dok su glavne strukturne karakteristike prečišćenih dekstrana utvrđene na osnovu FTIR spektroskopije. .
PB  - Association of Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - Water Kefir grain as a source of potent dextran producing lactic acid bacteria
T1  - Zrno vodenog kefira kao izvor bakterija mlečno kiselinskog vrenja potentnih producenata dekstrana
EP  - 604
IS  - 6
SP  - 595
VL  - 69
DO  - 10.2298/HEMIND140925083D
ER  - 
@article{
author = "Davidović, Slađana and Miljković, Miona and Antonović, Dušan and Rajilić-Stojanović, Mirjana and Dimitrijević-Branković, Suzana",
year = "2015",
abstract = "Water kefir is a beverage fermented by a microbial consortium captured in kefir grains. The kefir grains matrix is composed of polysaccharide, primarily dextran, which is produced by members of the microbial consortium. In this study, we have isolated lactic acid bacteria (LAB) from non-commercial water kefir grains (from Belgrade, Serbia) and screened for dextran production. Among twelve LAB isolates three produced slime colonies on modified MRS (mMRS) agar containing sucrose instead of glucose and were presumed to produce dextran. Three LAB were identified, based on morphological, physiological and biochemical characteristics and 16S rRNA sequencing, as Leuconostoc mesenteroides (strains T1 and T3) and Lactobacillus hilgardii (strain T5). The isolated strains were able to synthesize a substantial amount of dextran in mMRS broth containing 5% sucrose. Maximal yields (11.56, 18.00 and 18.46 g/l) were obtained after 16, 20 and 32 h for T1, T3 and T5, respectively. Optimal temperature for dextran production was 23oC for two Leuconostoc mesenteroides strains and 30 °C for Lactobacillus hilgardii strain. The produced dextrans were identified based on paper chromatography, while the main structure characteristics of purified dextran were observed by FT-IR spectroscopy. Our study shows that water kefir grains are a natural source of potent dextran producing LAB., Vodeni kefir je napitak koji nastaje fermentacionom aktivnošću bakterija mlečno-kiselinskog vrenja, kvasca i sirćetnih bakterija. Ova kompleksna smeša mikroorganizama smeštena je unutar polisaharidnog matriksa - kefirnog zrna. Glavnu šećernu komponentu matriksa čini dekstran koji sintetišu bakterije mlečno-kiselinskog vrenja. Dekstran je homo polisaharid velike molekulske mase čija je monomerna jedinica glukoza. Zahvaljujući dobroj rastvorljivosti i stabilnosti, dekstran ima široku primenu u različitim granama industrije, kao što su medicina, farmacija, prehrambena, tekstilna i hemijska industrija. Nerastvorni dekstran može da posluži kao nosač za imobilizaciju biomolekula. Imajući u vidu veliku primenjivost dekstrana, cilj ovog rada je bio izolovati bakterije mlečno-kiselinskog vrenja iz zrna vodenog kefira koje produkuju ovaj egzopolisaharid sa visokim prinosima. U radu je prikazana izolacija i karakterizacija tri selektovana soja i optimizacija uslova za produkciju dekstrana. Na osnovu morfoloških, fizioloških i biohemijskih osobina i 16S rRNK sekvenciranja utvrđeno je da su izolati T1 i T3 sojevi vrste Leuconostoc mesenteroides, dok je izolat T5 identifikovan kao Lactobacillus hilgardii. Za produkciju dekstrana korišćena je modifikovana MRS podloga sa 5% saharoze, kao jedinim izvorom ugljenika. Maksimalni prinosi dekstrana (11,56, 18,00 i 18,46 g/l) su dobijeni nakon 16, 20 i 32 h fermentacije, za T1, T3 i T5, redom. Optimalne temperature za produkciju dekstrana su 23 °C za dva Leuconostoc mesenteroides soja, a za Lactobacillus hilgardii 30 °C. Uzorci sintetisanih polisaharida su identifikovani kao dekstrani na osnovu papirne hromatografije, dok su glavne strukturne karakteristike prečišćenih dekstrana utvrđene na osnovu FTIR spektroskopije. .",
publisher = "Association of Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "Water Kefir grain as a source of potent dextran producing lactic acid bacteria, Zrno vodenog kefira kao izvor bakterija mlečno kiselinskog vrenja potentnih producenata dekstrana",
pages = "604-595",
number = "6",
volume = "69",
doi = "10.2298/HEMIND140925083D"
}
Davidović, S., Miljković, M., Antonović, D., Rajilić-Stojanović, M.,& Dimitrijević-Branković, S.. (2015). Water Kefir grain as a source of potent dextran producing lactic acid bacteria. in Hemijska industrija
Association of Chemical Engineers of Serbia., 69(6), 595-604.
https://doi.org/10.2298/HEMIND140925083D
Davidović S, Miljković M, Antonović D, Rajilić-Stojanović M, Dimitrijević-Branković S. Water Kefir grain as a source of potent dextran producing lactic acid bacteria. in Hemijska industrija. 2015;69(6):595-604.
doi:10.2298/HEMIND140925083D .
Davidović, Slađana, Miljković, Miona, Antonović, Dušan, Rajilić-Stojanović, Mirjana, Dimitrijević-Branković, Suzana, "Water Kefir grain as a source of potent dextran producing lactic acid bacteria" in Hemijska industrija, 69, no. 6 (2015):595-604,
https://doi.org/10.2298/HEMIND140925083D . .
26
17
25

Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions

Pavlović, Marija; Buntić, Aneta; Šiler-Marinković, Slavica; Antonović, Dušan; Milutinović, Milica; Radovanović, Neda; Dimitrijević-Branković, Suzana

(International Institute of Chemical, Biological and Environmental Engineering, Kuala Lumpur, Malaysia, 2014)

TY  - CONF
AU  - Pavlović, Marija
AU  - Buntić, Aneta
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
AU  - Milutinović, Milica
AU  - Radovanović, Neda
AU  - Dimitrijević-Branković, Suzana
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6427
AB  - Spent coffee grounds were evaluated for adsorption
efficiency in the removal of pesticide paraquat from its aqueous
solutions. The influence of the adsorbent mass, agitation time,
paraquat concentration and pH have been investigated in the batch
sorption mode. Adsorption capacity (mg/g) has been found to be
27.87 ± 1.57 mg/g, while the removal efficiency has resulted of 32.25
± 1.79 %. Adsorption rate was found to be very fast, whereby the
time required for equilibrium adsorption occurred within first 20
minutes. The process behavior was predicted using the second-order
kinetic model. On the basis of the observed data, further process
optimization may be greatly facilitated, thus it is considered that
coffee waste may be exploited well for pesticides removal purposes.
PB  - International Institute of Chemical, Biological and Environmental Engineering, Kuala Lumpur, Malaysia
C3  - International conference on civil, biological and environmental engineering (CBEE)
T1  - Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions
EP  - 65
SP  - 60
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6427
ER  - 
@conference{
author = "Pavlović, Marija and Buntić, Aneta and Šiler-Marinković, Slavica and Antonović, Dušan and Milutinović, Milica and Radovanović, Neda and Dimitrijević-Branković, Suzana",
year = "2014",
abstract = "Spent coffee grounds were evaluated for adsorption
efficiency in the removal of pesticide paraquat from its aqueous
solutions. The influence of the adsorbent mass, agitation time,
paraquat concentration and pH have been investigated in the batch
sorption mode. Adsorption capacity (mg/g) has been found to be
27.87 ± 1.57 mg/g, while the removal efficiency has resulted of 32.25
± 1.79 %. Adsorption rate was found to be very fast, whereby the
time required for equilibrium adsorption occurred within first 20
minutes. The process behavior was predicted using the second-order
kinetic model. On the basis of the observed data, further process
optimization may be greatly facilitated, thus it is considered that
coffee waste may be exploited well for pesticides removal purposes.",
publisher = "International Institute of Chemical, Biological and Environmental Engineering, Kuala Lumpur, Malaysia",
journal = "International conference on civil, biological and environmental engineering (CBEE)",
title = "Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions",
pages = "65-60",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6427"
}
Pavlović, M., Buntić, A., Šiler-Marinković, S., Antonović, D., Milutinović, M., Radovanović, N.,& Dimitrijević-Branković, S.. (2014). Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions. in International conference on civil, biological and environmental engineering (CBEE)
International Institute of Chemical, Biological and Environmental Engineering, Kuala Lumpur, Malaysia., 60-65.
https://hdl.handle.net/21.15107/rcub_technorep_6427
Pavlović M, Buntić A, Šiler-Marinković S, Antonović D, Milutinović M, Radovanović N, Dimitrijević-Branković S. Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions. in International conference on civil, biological and environmental engineering (CBEE). 2014;:60-65.
https://hdl.handle.net/21.15107/rcub_technorep_6427 .
Pavlović, Marija, Buntić, Aneta, Šiler-Marinković, Slavica, Antonović, Dušan, Milutinović, Milica, Radovanović, Neda, Dimitrijević-Branković, Suzana, "Spent coffee grounds as adsorbents for pesticide paraquat removal from its aqueous solutions" in International conference on civil, biological and environmental engineering (CBEE) (2014):60-65,
https://hdl.handle.net/21.15107/rcub_technorep_6427 .

Novel composite films based on amidated pectin for cationic dye adsorption

Nešić, Aleksandra; Veličković, Sava J.; Antonović, Dušan

(Elsevier, 2014)

TY  - JOUR
AU  - Nešić, Aleksandra
AU  - Veličković, Sava J.
AU  - Antonović, Dušan
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5780
AB  - Pectin, with its tendency to gel in the presence of metal ions has become a widely used material for capturing the metal ions from wastewaters. Its dye-capturing properties have been much less investigated, and this paper is the first to show how films based on amidated pectin can be used for cationic dye adsorption. In the present study amidated pectin/montmorillonite composite films were synthesized by membrane casting, and they are stable in aqueous solution both below and above pectin pK(a). FTIR, thermogravimetry and SEM-EDAX have confirmed the presence of montmorillonite in the cast films and the interactions between the two constituents. In order to evaluate the cationic dye adsorption of these films Basic Yellow 28 was used, showing that the films have higher adsorption capacity compared to the others reported in the literature. The results were fitted into Langmuir, Freundlich and Temkin isotherms indicating an exothermic process and setting the optimum amount of montmorillonite in the films to 30% of pectin mass. According to the Langmuir isotherm the maximum adsorption capacity is 571.4 mg/g.
PB  - Elsevier
T2  - Colloids and Surfaces. B: Biointerfaces
T1  - Novel composite films based on amidated pectin for cationic dye adsorption
EP  - 626
SP  - 620
VL  - 116
DO  - 10.1016/j.colsurfb.2013.10.031
ER  - 
@article{
author = "Nešić, Aleksandra and Veličković, Sava J. and Antonović, Dušan",
year = "2014",
abstract = "Pectin, with its tendency to gel in the presence of metal ions has become a widely used material for capturing the metal ions from wastewaters. Its dye-capturing properties have been much less investigated, and this paper is the first to show how films based on amidated pectin can be used for cationic dye adsorption. In the present study amidated pectin/montmorillonite composite films were synthesized by membrane casting, and they are stable in aqueous solution both below and above pectin pK(a). FTIR, thermogravimetry and SEM-EDAX have confirmed the presence of montmorillonite in the cast films and the interactions between the two constituents. In order to evaluate the cationic dye adsorption of these films Basic Yellow 28 was used, showing that the films have higher adsorption capacity compared to the others reported in the literature. The results were fitted into Langmuir, Freundlich and Temkin isotherms indicating an exothermic process and setting the optimum amount of montmorillonite in the films to 30% of pectin mass. According to the Langmuir isotherm the maximum adsorption capacity is 571.4 mg/g.",
publisher = "Elsevier",
journal = "Colloids and Surfaces. B: Biointerfaces",
title = "Novel composite films based on amidated pectin for cationic dye adsorption",
pages = "626-620",
volume = "116",
doi = "10.1016/j.colsurfb.2013.10.031"
}
Nešić, A., Veličković, S. J.,& Antonović, D.. (2014). Novel composite films based on amidated pectin for cationic dye adsorption. in Colloids and Surfaces. B: Biointerfaces
Elsevier., 116, 620-626.
https://doi.org/10.1016/j.colsurfb.2013.10.031
Nešić A, Veličković SJ, Antonović D. Novel composite films based on amidated pectin for cationic dye adsorption. in Colloids and Surfaces. B: Biointerfaces. 2014;116:620-626.
doi:10.1016/j.colsurfb.2013.10.031 .
Nešić, Aleksandra, Veličković, Sava J., Antonović, Dušan, "Novel composite films based on amidated pectin for cationic dye adsorption" in Colloids and Surfaces. B: Biointerfaces, 116 (2014):620-626,
https://doi.org/10.1016/j.colsurfb.2013.10.031 . .
29
17
28

Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach

Pavlović, Marija D.; Buntić, Aneta; Mihajlovski, Katarina; Šiler-Marinković, Slavica; Antonović, Dušan; Radovanović, Željko; Dimitrijević-Branković, Suzana

(Elsevier Science Bv, Amsterdam, 2014)

TY  - JOUR
AU  - Pavlović, Marija D.
AU  - Buntić, Aneta
AU  - Mihajlovski, Katarina
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
AU  - Radovanović, Željko
AU  - Dimitrijević-Branković, Suzana
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2654
AB  - The Box-Behnken design under the response surface methodology (RSM) with five interacting parameters (adsorbent dose, initial dye concentration, time of agitation, initial solution pH and time of the adsorbent microwave activation) was employed to interpret the adsorption characteristics of cationic dye onto polyphenol-extracted coffee grounds in water solutions. Experimental results indicated that coffee ground is excellent low-cost biosorbent with dye removal ability more than 95% for a very short time (under conditions of 250 mg/L initial dye concentration and 15 g/L of adsorbent dose). The maximum adsorption capacity was 36.82 mg/g, whereby the adsorption rate was very fast (around 15 min). Batch mode experiments and kinetic regression results showed that the adsorption process was more accurately represented by a pseudo second-order model. Freundlich isotherm model was superior to the Langmuir isotherm model. FT-IR studies revealed that adsorption process was due to adsorption mediated by different functional groups present on the coffee surface.
PB  - Elsevier Science Bv, Amsterdam
T2  - Journal of the Taiwan Institute of Chemical Engineers
T1  - Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach
EP  - 1699
IS  - 4
SP  - 1691
VL  - 45
DO  - 10.1016/j.jtice.2013.12.018
ER  - 
@article{
author = "Pavlović, Marija D. and Buntić, Aneta and Mihajlovski, Katarina and Šiler-Marinković, Slavica and Antonović, Dušan and Radovanović, Željko and Dimitrijević-Branković, Suzana",
year = "2014",
abstract = "The Box-Behnken design under the response surface methodology (RSM) with five interacting parameters (adsorbent dose, initial dye concentration, time of agitation, initial solution pH and time of the adsorbent microwave activation) was employed to interpret the adsorption characteristics of cationic dye onto polyphenol-extracted coffee grounds in water solutions. Experimental results indicated that coffee ground is excellent low-cost biosorbent with dye removal ability more than 95% for a very short time (under conditions of 250 mg/L initial dye concentration and 15 g/L of adsorbent dose). The maximum adsorption capacity was 36.82 mg/g, whereby the adsorption rate was very fast (around 15 min). Batch mode experiments and kinetic regression results showed that the adsorption process was more accurately represented by a pseudo second-order model. Freundlich isotherm model was superior to the Langmuir isotherm model. FT-IR studies revealed that adsorption process was due to adsorption mediated by different functional groups present on the coffee surface.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Journal of the Taiwan Institute of Chemical Engineers",
title = "Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach",
pages = "1699-1691",
number = "4",
volume = "45",
doi = "10.1016/j.jtice.2013.12.018"
}
Pavlović, M. D., Buntić, A., Mihajlovski, K., Šiler-Marinković, S., Antonović, D., Radovanović, Ž.,& Dimitrijević-Branković, S.. (2014). Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach. in Journal of the Taiwan Institute of Chemical Engineers
Elsevier Science Bv, Amsterdam., 45(4), 1691-1699.
https://doi.org/10.1016/j.jtice.2013.12.018
Pavlović MD, Buntić A, Mihajlovski K, Šiler-Marinković S, Antonović D, Radovanović Ž, Dimitrijević-Branković S. Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach. in Journal of the Taiwan Institute of Chemical Engineers. 2014;45(4):1691-1699.
doi:10.1016/j.jtice.2013.12.018 .
Pavlović, Marija D., Buntić, Aneta, Mihajlovski, Katarina, Šiler-Marinković, Slavica, Antonović, Dušan, Radovanović, Željko, Dimitrijević-Branković, Suzana, "Rapid cationic dye adsorption on polyphenol-extracted coffee grounds-A response surface methodology approach" in Journal of the Taiwan Institute of Chemical Engineers, 45, no. 4 (2014):1691-1699,
https://doi.org/10.1016/j.jtice.2013.12.018 . .
53
44
57

Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach

Buntić, Aneta; Pavlović, Marija; Mihajlovski, Katarina; Ranđelović, Milica; Rajić, Nevenka; Antonović, Dušan; Šiler-Marinković, Slavica; Dimitrijević-Branković, Suzana

(Springer International Publishing Ag, Cham, 2014)

TY  - JOUR
AU  - Buntić, Aneta
AU  - Pavlović, Marija
AU  - Mihajlovski, Katarina
AU  - Ranđelović, Milica
AU  - Rajić, Nevenka
AU  - Antonović, Dušan
AU  - Šiler-Marinković, Slavica
AU  - Dimitrijević-Branković, Suzana
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2793
AB  - Natural clinoptilolite from Zlatokop deposit, Serbia, was activated by microwave irradiations (10 min, 550 W) and its adsorptive efficiency for removal of crystal violet (CV) dye from aqueous solution was investigated. The process variables were specified by response surface method and the central composite design (CCD). Percentage of dye removal as a function of two numeric factors (the amount of zeolite and the concentration of crystal violet) with five values (rotatibility factor alpha = 0.41) and one numeric factor (contact or agitation time) with three values (rotatibility factor alpha = 1.00) at dynamic ambient conditions and pH = 6 was tested. The optimal conditions for 91.99 % decolorization were predicted to be 2 g of the zeolite in 100 ml of CV aqueous solution with concentration of 250 mg/l, and contact time of 678 s. The model was validated experimentally. Two isotherm models-Langmuir type 2 and Freundlich could describe the adsorption process with high correlation to experimental data. The calculated adsorbent capacity from the CCD (12.625 mg/g) showed a good agreement with the adsorption capacity obtained by Langmuir-2 isotherm (13.477 mg/g) and with pseudo-second-order kinetic model (12.404 mg/g).
PB  - Springer International Publishing Ag, Cham
T2  - Water Air and Soil Pollution
T1  - Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach
IS  - 1
VL  - 225
DO  - 10.1007/s11270-013-1816-6
ER  - 
@article{
author = "Buntić, Aneta and Pavlović, Marija and Mihajlovski, Katarina and Ranđelović, Milica and Rajić, Nevenka and Antonović, Dušan and Šiler-Marinković, Slavica and Dimitrijević-Branković, Suzana",
year = "2014",
abstract = "Natural clinoptilolite from Zlatokop deposit, Serbia, was activated by microwave irradiations (10 min, 550 W) and its adsorptive efficiency for removal of crystal violet (CV) dye from aqueous solution was investigated. The process variables were specified by response surface method and the central composite design (CCD). Percentage of dye removal as a function of two numeric factors (the amount of zeolite and the concentration of crystal violet) with five values (rotatibility factor alpha = 0.41) and one numeric factor (contact or agitation time) with three values (rotatibility factor alpha = 1.00) at dynamic ambient conditions and pH = 6 was tested. The optimal conditions for 91.99 % decolorization were predicted to be 2 g of the zeolite in 100 ml of CV aqueous solution with concentration of 250 mg/l, and contact time of 678 s. The model was validated experimentally. Two isotherm models-Langmuir type 2 and Freundlich could describe the adsorption process with high correlation to experimental data. The calculated adsorbent capacity from the CCD (12.625 mg/g) showed a good agreement with the adsorption capacity obtained by Langmuir-2 isotherm (13.477 mg/g) and with pseudo-second-order kinetic model (12.404 mg/g).",
publisher = "Springer International Publishing Ag, Cham",
journal = "Water Air and Soil Pollution",
title = "Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach",
number = "1",
volume = "225",
doi = "10.1007/s11270-013-1816-6"
}
Buntić, A., Pavlović, M., Mihajlovski, K., Ranđelović, M., Rajić, N., Antonović, D., Šiler-Marinković, S.,& Dimitrijević-Branković, S.. (2014). Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach. in Water Air and Soil Pollution
Springer International Publishing Ag, Cham., 225(1).
https://doi.org/10.1007/s11270-013-1816-6
Buntić A, Pavlović M, Mihajlovski K, Ranđelović M, Rajić N, Antonović D, Šiler-Marinković S, Dimitrijević-Branković S. Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach. in Water Air and Soil Pollution. 2014;225(1).
doi:10.1007/s11270-013-1816-6 .
Buntić, Aneta, Pavlović, Marija, Mihajlovski, Katarina, Ranđelović, Milica, Rajić, Nevenka, Antonović, Dušan, Šiler-Marinković, Slavica, Dimitrijević-Branković, Suzana, "Removal of a Cationic Dye from Aqueous Solution by Microwave Activated Clinoptilolite-Response Surface Methodology Approach" in Water Air and Soil Pollution, 225, no. 1 (2014),
https://doi.org/10.1007/s11270-013-1816-6 . .
8
8
13

Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants

Milošević, Nataša; Janjić, Nataša; Milić, Nataša; Milanović, Maja; Popović, Jovan; Antonović, Dušan

(American Chemical Society, 2014)

TY  - JOUR
AU  - Milošević, Nataša
AU  - Janjić, Nataša
AU  - Milić, Nataša
AU  - Milanović, Maja
AU  - Popović, Jovan
AU  - Antonović, Dušan
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5782
AB  - Herbicides, which are ubiquitously present in soil and food, have been proven to cause human health hazard effects, hence development of new herbicide-active compounds is recommended. In this paper, nine 2,4-bis(cycloalkyl)-6-chloro-s-triazines were considered as herbicide candidates and their pharmacokinetics and toxicity were reviewed on the basis of in silico descriptors. Both, pharmacokinetic and toxicity predictors were presented as functions of their lipophilicity, quantified with retention constants that were obtained by liquid chromatography. None of the candidates investigated has functional groups for genotoxicity hazards and endocrine disruptions; they have acceptable toxicity and favorable pharmacokinetic properties based on computer-aided analyses. Two candidates have been selected as lead compounds for further research.
PB  - American Chemical Society
T2  - Journal of Agricultural and Food Chemistry
T1  - Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants
EP  - 8585
IS  - 34
SP  - 8579
VL  - 62
DO  - 10.1021/jf502405k
ER  - 
@article{
author = "Milošević, Nataša and Janjić, Nataša and Milić, Nataša and Milanović, Maja and Popović, Jovan and Antonović, Dušan",
year = "2014",
abstract = "Herbicides, which are ubiquitously present in soil and food, have been proven to cause human health hazard effects, hence development of new herbicide-active compounds is recommended. In this paper, nine 2,4-bis(cycloalkyl)-6-chloro-s-triazines were considered as herbicide candidates and their pharmacokinetics and toxicity were reviewed on the basis of in silico descriptors. Both, pharmacokinetic and toxicity predictors were presented as functions of their lipophilicity, quantified with retention constants that were obtained by liquid chromatography. None of the candidates investigated has functional groups for genotoxicity hazards and endocrine disruptions; they have acceptable toxicity and favorable pharmacokinetic properties based on computer-aided analyses. Two candidates have been selected as lead compounds for further research.",
publisher = "American Chemical Society",
journal = "Journal of Agricultural and Food Chemistry",
title = "Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants",
pages = "8585-8579",
number = "34",
volume = "62",
doi = "10.1021/jf502405k"
}
Milošević, N., Janjić, N., Milić, N., Milanović, M., Popović, J.,& Antonović, D.. (2014). Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants. in Journal of Agricultural and Food Chemistry
American Chemical Society., 62(34), 8579-8585.
https://doi.org/10.1021/jf502405k
Milošević N, Janjić N, Milić N, Milanović M, Popović J, Antonović D. Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants. in Journal of Agricultural and Food Chemistry. 2014;62(34):8579-8585.
doi:10.1021/jf502405k .
Milošević, Nataša, Janjić, Nataša, Milić, Nataša, Milanović, Maja, Popović, Jovan, Antonović, Dušan, "Pharmacokinetics and toxicity predictors of new s-triazines, herbicide candidates, in correlation with chromatogrpahic retention constants" in Journal of Agricultural and Food Chemistry, 62, no. 34 (2014):8579-8585,
https://doi.org/10.1021/jf502405k . .
11
3
10

Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects

Stanić, Vojislav; Dimitrijević, Suzana; Antonović, Dušan; Jokić, Bojan; Zec, Slavica; Tanasković, Slađana; Raičević, Slavica

(Elsevier Science Bv, Amsterdam, 2014)

TY  - JOUR
AU  - Stanić, Vojislav
AU  - Dimitrijević, Suzana
AU  - Antonović, Dušan
AU  - Jokić, Bojan
AU  - Zec, Slavica
AU  - Tanasković, Slađana
AU  - Raičević, Slavica
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2756
AB  - Synthetic biomaterials based on fluorine substituted hydroxyapatite are potentially attractive for orthopedic and dental implant applications. The new synthesis of fluorine substituted hydroxyapatite samples were done by neutralization, which consists of adding the solution of HF and H3PO4 in suspension of Ca(OH)(2). Characterization studies from XRD, SEM and FTIR spectra showed that crystals are obtained with apatite structure and those particles of all samples are nano size, with an average length of 80 nm and about 15-25 nm in diameter. The central composite design was used in order to determine the optimal conditions for the antimicrobial activity of the synthesized samples. In order to evaluate the influence of operating parameters on the percent of viable cell reduction of Streptococcus mutans, three independent variables were chosen: exposure time, pH of saline and floride concentration in apatite samples. The experimental and predicted antimicrobial activities were in close agreement. Antimicrobial activity of the samples increases with the increase of fluoride concentration and the decreased pH of saline. The maximum antimicrobial activity was achieved at the initial pH of 4.
PB  - Elsevier Science Bv, Amsterdam
T2  - Applied Surface Science
T1  - Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects
EP  - 352
SP  - 346
VL  - 290
DO  - 10.1016/j.apsusc.2013.11.081
ER  - 
@article{
author = "Stanić, Vojislav and Dimitrijević, Suzana and Antonović, Dušan and Jokić, Bojan and Zec, Slavica and Tanasković, Slađana and Raičević, Slavica",
year = "2014",
abstract = "Synthetic biomaterials based on fluorine substituted hydroxyapatite are potentially attractive for orthopedic and dental implant applications. The new synthesis of fluorine substituted hydroxyapatite samples were done by neutralization, which consists of adding the solution of HF and H3PO4 in suspension of Ca(OH)(2). Characterization studies from XRD, SEM and FTIR spectra showed that crystals are obtained with apatite structure and those particles of all samples are nano size, with an average length of 80 nm and about 15-25 nm in diameter. The central composite design was used in order to determine the optimal conditions for the antimicrobial activity of the synthesized samples. In order to evaluate the influence of operating parameters on the percent of viable cell reduction of Streptococcus mutans, three independent variables were chosen: exposure time, pH of saline and floride concentration in apatite samples. The experimental and predicted antimicrobial activities were in close agreement. Antimicrobial activity of the samples increases with the increase of fluoride concentration and the decreased pH of saline. The maximum antimicrobial activity was achieved at the initial pH of 4.",
publisher = "Elsevier Science Bv, Amsterdam",
journal = "Applied Surface Science",
title = "Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects",
pages = "352-346",
volume = "290",
doi = "10.1016/j.apsusc.2013.11.081"
}
Stanić, V., Dimitrijević, S., Antonović, D., Jokić, B., Zec, S., Tanasković, S.,& Raičević, S.. (2014). Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects. in Applied Surface Science
Elsevier Science Bv, Amsterdam., 290, 346-352.
https://doi.org/10.1016/j.apsusc.2013.11.081
Stanić V, Dimitrijević S, Antonović D, Jokić B, Zec S, Tanasković S, Raičević S. Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects. in Applied Surface Science. 2014;290:346-352.
doi:10.1016/j.apsusc.2013.11.081 .
Stanić, Vojislav, Dimitrijević, Suzana, Antonović, Dušan, Jokić, Bojan, Zec, Slavica, Tanasković, Slađana, Raičević, Slavica, "Synthesis of fluorine substituted hydroxyapatite nanopowders and application of the central composite design for determination of its antimicrobial effects" in Applied Surface Science, 290 (2014):346-352,
https://doi.org/10.1016/j.apsusc.2013.11.081 . .
3
78
63
83

Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability

Smičiklas, Ivana D.; Smiljanić, Slavko N.; Perić-Grujić, Aleksandra; Šljivić-Ivanović, Marija Z.; Mitrić, Miodrag; Antonović, Dušan

(Elsevier Science Sa, Lausanne, 2014)

TY  - JOUR
AU  - Smičiklas, Ivana D.
AU  - Smiljanić, Slavko N.
AU  - Perić-Grujić, Aleksandra
AU  - Šljivić-Ivanović, Marija Z.
AU  - Mitrić, Miodrag
AU  - Antonović, Dušan
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2843
AB  - Red mud, a heterogeneous mineral waste from aluminum industry, can be beneficially utilized as a sorbent. High alkalinity and the amount of water soluble ions can limit some of its applications. This study's aim was to explore and correlate physicochemical properties and sorption efficiencies of acid treated red mud. Sorbents (BRM0.05-BRM1), obtained by varying HCl concentration (0.05-1 mol/L), were characterized in terms of mineralogical composition, surface functional groups, electrical conductivity (EC) and the point of zero charge (pH(PZC)). Removal of Ni(II) ions was tested in batch conditions. Sorbents EC and pH(PZC) values decreased with the increase of acid concentration. Structural analysis revealed that sodalite and calcite phases were completely lost starting from the samples BRM0.25 and BRM0.5, respectively. Along with the sodalite dissolution, gibbsite precipitation was observed. Ni(II) sorption increased with the increase of initial pH from 2 to 4, while at pH  gt 4 it depended only on sorbent material. A radical drop of maximum sorption capacities was associated with the increase of acid concentration to 0.25 mol/L, whereas additional rise to 1 mol/L caused minor fluctuations. Fully loaded sorbents BRM0.25-BRM0.1 also exhibited considerable lower stability over a range of investigated pH conditions. Dissolution of sodalite and calcite, and the consequent reduction of buffering capacities can be identified as the main reasons for decreasing sorption efficiency. Sample BRM0.05 was efficient in terms of both sorption and stability, yet environmentally more benign than the original red mud due to the lower alkalinity and content of water soluble ions.
PB  - Elsevier Science Sa, Lausanne
T2  - Chemical Engineering Journal
T1  - Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability
EP  - 35
SP  - 27
VL  - 242
DO  - 10.1016/j.cej.2013.12.079
ER  - 
@article{
author = "Smičiklas, Ivana D. and Smiljanić, Slavko N. and Perić-Grujić, Aleksandra and Šljivić-Ivanović, Marija Z. and Mitrić, Miodrag and Antonović, Dušan",
year = "2014",
abstract = "Red mud, a heterogeneous mineral waste from aluminum industry, can be beneficially utilized as a sorbent. High alkalinity and the amount of water soluble ions can limit some of its applications. This study's aim was to explore and correlate physicochemical properties and sorption efficiencies of acid treated red mud. Sorbents (BRM0.05-BRM1), obtained by varying HCl concentration (0.05-1 mol/L), were characterized in terms of mineralogical composition, surface functional groups, electrical conductivity (EC) and the point of zero charge (pH(PZC)). Removal of Ni(II) ions was tested in batch conditions. Sorbents EC and pH(PZC) values decreased with the increase of acid concentration. Structural analysis revealed that sodalite and calcite phases were completely lost starting from the samples BRM0.25 and BRM0.5, respectively. Along with the sodalite dissolution, gibbsite precipitation was observed. Ni(II) sorption increased with the increase of initial pH from 2 to 4, while at pH  gt 4 it depended only on sorbent material. A radical drop of maximum sorption capacities was associated with the increase of acid concentration to 0.25 mol/L, whereas additional rise to 1 mol/L caused minor fluctuations. Fully loaded sorbents BRM0.25-BRM0.1 also exhibited considerable lower stability over a range of investigated pH conditions. Dissolution of sodalite and calcite, and the consequent reduction of buffering capacities can be identified as the main reasons for decreasing sorption efficiency. Sample BRM0.05 was efficient in terms of both sorption and stability, yet environmentally more benign than the original red mud due to the lower alkalinity and content of water soluble ions.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Chemical Engineering Journal",
title = "Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability",
pages = "35-27",
volume = "242",
doi = "10.1016/j.cej.2013.12.079"
}
Smičiklas, I. D., Smiljanić, S. N., Perić-Grujić, A., Šljivić-Ivanović, M. Z., Mitrić, M.,& Antonović, D.. (2014). Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability. in Chemical Engineering Journal
Elsevier Science Sa, Lausanne., 242, 27-35.
https://doi.org/10.1016/j.cej.2013.12.079
Smičiklas ID, Smiljanić SN, Perić-Grujić A, Šljivić-Ivanović MZ, Mitrić M, Antonović D. Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability. in Chemical Engineering Journal. 2014;242:27-35.
doi:10.1016/j.cej.2013.12.079 .
Smičiklas, Ivana D., Smiljanić, Slavko N., Perić-Grujić, Aleksandra, Šljivić-Ivanović, Marija Z., Mitrić, Miodrag, Antonović, Dušan, "Effect of acid treatment on red mud properties with implications on Ni(II) sorption and stability" in Chemical Engineering Journal, 242 (2014):27-35,
https://doi.org/10.1016/j.cej.2013.12.079 . .
3
77
55
74

Adsorption of green tea polyphenols onto spent coffee grounds

Buntić, Aneta; Pavlović, Marija; Šiler-Marinković, Slavica; Antonović, Dušan; Dimitrijević-Branković, Suzana

(Serbian Chemical Society, 2013)

TY  - CONF
AU  - Buntić, Aneta
AU  - Pavlović, Marija
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
AU  - Dimitrijević-Branković, Suzana
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/6414
AB  - Some waste materials demonstrated considerable adsorption affinity for phenolic compounds. This property serves two purposes: the recovery and purification of bioactive compounds or fractions from plants, as well as treatment of wastewaters that are leaden by phenolics. This work presented the processing of solutions containing polyphenols by adsorption-desorption studies using spent coffee grounds. As a model system, green tea aqueous extract was prepared. The experiments were performed by batch sorption on a rotary shaker and dynamic column studies. 2 g of spent coffee sample was contacted with 100 ml of green tea extract solution for a predetermined period of time. The results were expressed as the residual total polyphenol concentration of tea extract, measured by the Folin - Ciocalteu method. Batch sorption studies showed a faster removal affinity, compared to column performance. After just 30 min of contact time, the removal percent of tea polyphenols by coffee residues amounted 40%. The desorption studies were also performed, and the results lead to effective purifying and concentrating of tea polyphenols for its further use.
As this study investigated the adsorbent capacity of no-cost waste material, such as spent coffee, for phenolic compounds binding, the obtained results were noticeable and offered numerous opportunities for a further experiments in this field.
PB  - Serbian Chemical Society
C3  - 8th International Conference of the Chemical Societies of the South-East European Countries - Icosecs 8, Beograd, Srbija
T1  - Adsorption of green tea polyphenols onto spent coffee grounds
SP  - 265
UR  - https://hdl.handle.net/21.15107/rcub_technorep_6414
ER  - 
@conference{
author = "Buntić, Aneta and Pavlović, Marija and Šiler-Marinković, Slavica and Antonović, Dušan and Dimitrijević-Branković, Suzana",
year = "2013",
abstract = "Some waste materials demonstrated considerable adsorption affinity for phenolic compounds. This property serves two purposes: the recovery and purification of bioactive compounds or fractions from plants, as well as treatment of wastewaters that are leaden by phenolics. This work presented the processing of solutions containing polyphenols by adsorption-desorption studies using spent coffee grounds. As a model system, green tea aqueous extract was prepared. The experiments were performed by batch sorption on a rotary shaker and dynamic column studies. 2 g of spent coffee sample was contacted with 100 ml of green tea extract solution for a predetermined period of time. The results were expressed as the residual total polyphenol concentration of tea extract, measured by the Folin - Ciocalteu method. Batch sorption studies showed a faster removal affinity, compared to column performance. After just 30 min of contact time, the removal percent of tea polyphenols by coffee residues amounted 40%. The desorption studies were also performed, and the results lead to effective purifying and concentrating of tea polyphenols for its further use.
As this study investigated the adsorbent capacity of no-cost waste material, such as spent coffee, for phenolic compounds binding, the obtained results were noticeable and offered numerous opportunities for a further experiments in this field.",
publisher = "Serbian Chemical Society",
journal = "8th International Conference of the Chemical Societies of the South-East European Countries - Icosecs 8, Beograd, Srbija",
title = "Adsorption of green tea polyphenols onto spent coffee grounds",
pages = "265",
url = "https://hdl.handle.net/21.15107/rcub_technorep_6414"
}
Buntić, A., Pavlović, M., Šiler-Marinković, S., Antonović, D.,& Dimitrijević-Branković, S.. (2013). Adsorption of green tea polyphenols onto spent coffee grounds. in 8th International Conference of the Chemical Societies of the South-East European Countries - Icosecs 8, Beograd, Srbija
Serbian Chemical Society., 265.
https://hdl.handle.net/21.15107/rcub_technorep_6414
Buntić A, Pavlović M, Šiler-Marinković S, Antonović D, Dimitrijević-Branković S. Adsorption of green tea polyphenols onto spent coffee grounds. in 8th International Conference of the Chemical Societies of the South-East European Countries - Icosecs 8, Beograd, Srbija. 2013;:265.
https://hdl.handle.net/21.15107/rcub_technorep_6414 .
Buntić, Aneta, Pavlović, Marija, Šiler-Marinković, Slavica, Antonović, Dušan, Dimitrijević-Branković, Suzana, "Adsorption of green tea polyphenols onto spent coffee grounds" in 8th International Conference of the Chemical Societies of the South-East European Countries - Icosecs 8, Beograd, Srbija (2013):265,
https://hdl.handle.net/21.15107/rcub_technorep_6414 .

The antioxidant properties of dried extracts from spent espresso coffee

Milutinović, Milica; Šiler-Marinković, Slavica; Antonović, Dušan; Mihajlovski, Katarina; Pavlović, Marija D.; Dimitrijević-Branković, Suzana

(Association of Chemical Engineers of Serbia, 2013)

TY  - JOUR
AU  - Milutinović, Milica
AU  - Šiler-Marinković, Slavica
AU  - Antonović, Dušan
AU  - Mihajlovski, Katarina
AU  - Pavlović, Marija D.
AU  - Dimitrijević-Branković, Suzana
PY  - 2013
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2371
AB  - The importance of coffee waste utilization is based on the fact that it contains a large amount of biologically valuable components. Preparation of espresso coffee produces substantial quantities of polyphenolic acids that have a significant antioxidant activity. In this work, the contents of polyphenols and antioxidant activity of extracts obtained from spent espresso coffee were analyzed using different solvent systems. A 70% solution of methanol and a 70% solution of ethanol and distilled water were used as solvents. The total amounts of polyphenols were determined by the Folin-Ciocalteu method, while the antioxidant activities were determined by DPPH inhibition (2,2-diphenyl-1-picrylhydrazyl) and FRAP (Ferric Reducing Antioxidant Power). Both methods confirmed that the order of antioxidant activity of obtained dried extracts is as follows: water extract  lt  methanol extract  lt  ethanol extract, which was in accordance with their polyphenols content. Mild prooxidant activity was observed in the concentration of 200 μg/ml while investigating the DPPH inhibition. Prooxidant activity is a characteristic of some polypenolic acids that is considered to be one of the mechanisms of anticancer activity. The inhibition of DPPH radical, expressed by IC50 values, was compared with the results of the commercial antioxidants such are ascorbic acid and BHT (butylated hydroxytoluene). Comparing the IC50 values of ascorbic acid and BHT with the IC50 values of tested extracts it can be concluded that waste coffee extracts could be a good source of natural antioxidants.
AB  - U radu je određivan sadržaj polifenola i antioksidativna aktivnost osušenih ekstrakata otpadne espreso kafe dobijenih primenom različitih rastvarača. Kao rastvarači, u ekstrakcijama su korišćeni 70% rastvor metanola, 70% rastvor etanola i destilovana voda. Određen je ukupan sadržaj polifenola i antioksidativna aktivnost metodama inhibicije DPPH (2,2-difenil-1-pikrilhidrazil) radikala i FRAP (engl. ferric reducing antioxidant power). Inhibicija DPPH radikala je izražena preko IC50 vrednosti, a rezultati su poređeni sa rezultatima komercijalnih antioksidanata, askorbinskom kiselinom i BHT (butil-hidroksi-toluen). Obe metode su potvrdile da je redosled antioksidativne aktivnosti dobijenih suvih ekstrakta sledeći: vodeni ekstrakt  lt  metanolni ekstrakt  lt  etanolni ekstrakt. Poređenjem sa vrednostima IC50 za askorbinsku kiselinu i BHT može se zaključiti da ekstrakti otpadne kafe mogu biti dobar izvor prirodnih antioksidanata.
PB  - Association of Chemical Engineers of Serbia
T2  - Hemijska industrija
T1  - The antioxidant properties of dried extracts from spent espresso coffee
T1  - Antioksidativna svojstva sušenih ekstrakata iz otpadne espreso kafe
EP  - 267
IS  - 2
SP  - 261
VL  - 67
DO  - 10.2298/HEMIND120410074M
ER  - 
@article{
author = "Milutinović, Milica and Šiler-Marinković, Slavica and Antonović, Dušan and Mihajlovski, Katarina and Pavlović, Marija D. and Dimitrijević-Branković, Suzana",
year = "2013",
abstract = "The importance of coffee waste utilization is based on the fact that it contains a large amount of biologically valuable components. Preparation of espresso coffee produces substantial quantities of polyphenolic acids that have a significant antioxidant activity. In this work, the contents of polyphenols and antioxidant activity of extracts obtained from spent espresso coffee were analyzed using different solvent systems. A 70% solution of methanol and a 70% solution of ethanol and distilled water were used as solvents. The total amounts of polyphenols were determined by the Folin-Ciocalteu method, while the antioxidant activities were determined by DPPH inhibition (2,2-diphenyl-1-picrylhydrazyl) and FRAP (Ferric Reducing Antioxidant Power). Both methods confirmed that the order of antioxidant activity of obtained dried extracts is as follows: water extract  lt  methanol extract  lt  ethanol extract, which was in accordance with their polyphenols content. Mild prooxidant activity was observed in the concentration of 200 μg/ml while investigating the DPPH inhibition. Prooxidant activity is a characteristic of some polypenolic acids that is considered to be one of the mechanisms of anticancer activity. The inhibition of DPPH radical, expressed by IC50 values, was compared with the results of the commercial antioxidants such are ascorbic acid and BHT (butylated hydroxytoluene). Comparing the IC50 values of ascorbic acid and BHT with the IC50 values of tested extracts it can be concluded that waste coffee extracts could be a good source of natural antioxidants., U radu je određivan sadržaj polifenola i antioksidativna aktivnost osušenih ekstrakata otpadne espreso kafe dobijenih primenom različitih rastvarača. Kao rastvarači, u ekstrakcijama su korišćeni 70% rastvor metanola, 70% rastvor etanola i destilovana voda. Određen je ukupan sadržaj polifenola i antioksidativna aktivnost metodama inhibicije DPPH (2,2-difenil-1-pikrilhidrazil) radikala i FRAP (engl. ferric reducing antioxidant power). Inhibicija DPPH radikala je izražena preko IC50 vrednosti, a rezultati su poređeni sa rezultatima komercijalnih antioksidanata, askorbinskom kiselinom i BHT (butil-hidroksi-toluen). Obe metode su potvrdile da je redosled antioksidativne aktivnosti dobijenih suvih ekstrakta sledeći: vodeni ekstrakt  lt  metanolni ekstrakt  lt  etanolni ekstrakt. Poređenjem sa vrednostima IC50 za askorbinsku kiselinu i BHT može se zaključiti da ekstrakti otpadne kafe mogu biti dobar izvor prirodnih antioksidanata.",
publisher = "Association of Chemical Engineers of Serbia",
journal = "Hemijska industrija",
title = "The antioxidant properties of dried extracts from spent espresso coffee, Antioksidativna svojstva sušenih ekstrakata iz otpadne espreso kafe",
pages = "267-261",
number = "2",
volume = "67",
doi = "10.2298/HEMIND120410074M"
}
Milutinović, M., Šiler-Marinković, S., Antonović, D., Mihajlovski, K., Pavlović, M. D.,& Dimitrijević-Branković, S.. (2013). The antioxidant properties of dried extracts from spent espresso coffee. in Hemijska industrija
Association of Chemical Engineers of Serbia., 67(2), 261-267.
https://doi.org/10.2298/HEMIND120410074M
Milutinović M, Šiler-Marinković S, Antonović D, Mihajlovski K, Pavlović MD, Dimitrijević-Branković S. The antioxidant properties of dried extracts from spent espresso coffee. in Hemijska industrija. 2013;67(2):261-267.
doi:10.2298/HEMIND120410074M .
Milutinović, Milica, Šiler-Marinković, Slavica, Antonović, Dušan, Mihajlovski, Katarina, Pavlović, Marija D., Dimitrijević-Branković, Suzana, "The antioxidant properties of dried extracts from spent espresso coffee" in Hemijska industrija, 67, no. 2 (2013):261-267,
https://doi.org/10.2298/HEMIND120410074M . .
7
7