Ministry of Education, Science and Technological Development of the Republic of Serbia

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Ministry of Education, Science and Technological Development of the Republic of Serbia

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Publications

The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers

Ivanović, Marija; Nenadović, Snežana S.; Pavlović, Vera P.; Radović, Ivona R.; Kijevčanin, Mirjana Lj.; Pavlović, Vladimir B.; Kljajević, Ljiljana M.

(2021)

TY  - JOUR
AU  - Ivanović, Marija
AU  - Nenadović, Snežana S.
AU  - Pavlović, Vera P.
AU  - Radović, Ivona R.
AU  - Kijevčanin, Mirjana Lj.
AU  - Pavlović, Vladimir B.
AU  - Kljajević, Ljiljana M.
PY  - 2021
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5121
AB  - Thermodynamic parameters (densities, viscosities, speed of sound, and refractive index) of four series of alkaline activators were determined over the temperature range from 15 to 60 °C for the process of geopolymerization. Mixtures of Na2SiO3and NaOH of different molar concentrations (from 2M to 8M with step 2) were used as an alkaline activator. The sample with the highest NaOH concentrationalso shows the highest values of all thermodynamic parameters.Metakaolin, obtained by calcination of kaolin at 750 °C, was used as the starting material.The samples were characterized by X-ray diffraction (XRD),FTIR and Raman spectroscopy, Scanning Electron Microscopy (SEM), and Energy-Dispersive X-Ray (EDX) Spectroscopy. Results of FTIR analysis correlated with results of Raman Spectroscopy. Due to the polymerization process, the changes in the phonon spectrum were confirmed. The different concentra-tions of activators do not notably change the Si/Al ratio.
T2  - Macedonian Journal of Chemistry and Chemical Engineering
T1  - The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers
IS  - 1
SP  - 99
VL  - 40
DO  - 10.20450/mjcce.2021.2127
ER  - 
@article{
author = "Ivanović, Marija and Nenadović, Snežana S. and Pavlović, Vera P. and Radović, Ivona R. and Kijevčanin, Mirjana Lj. and Pavlović, Vladimir B. and Kljajević, Ljiljana M.",
year = "2021",
abstract = "Thermodynamic parameters (densities, viscosities, speed of sound, and refractive index) of four series of alkaline activators were determined over the temperature range from 15 to 60 °C for the process of geopolymerization. Mixtures of Na2SiO3and NaOH of different molar concentrations (from 2M to 8M with step 2) were used as an alkaline activator. The sample with the highest NaOH concentrationalso shows the highest values of all thermodynamic parameters.Metakaolin, obtained by calcination of kaolin at 750 °C, was used as the starting material.The samples were characterized by X-ray diffraction (XRD),FTIR and Raman spectroscopy, Scanning Electron Microscopy (SEM), and Energy-Dispersive X-Ray (EDX) Spectroscopy. Results of FTIR analysis correlated with results of Raman Spectroscopy. Due to the polymerization process, the changes in the phonon spectrum were confirmed. The different concentra-tions of activators do not notably change the Si/Al ratio.",
journal = "Macedonian Journal of Chemistry and Chemical Engineering",
title = "The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers",
number = "1",
pages = "99",
volume = "40",
doi = "10.20450/mjcce.2021.2127"
}
Ivanović, M., Nenadović, S. S., Pavlović, V. P., Radović, I. R., Kijevčanin, M. Lj., Pavlović, V. B.,& Kljajević, L. M.. (2021). The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers. in Macedonian Journal of Chemistry and Chemical Engineering, 40(1), 99.
https://doi.org/10.20450/mjcce.2021.2127
Ivanović M, Nenadović SS, Pavlović VP, Radović IR, Kijevčanin ML, Pavlović VB, Kljajević LM. The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers. in Macedonian Journal of Chemistry and Chemical Engineering. 2021;40(1):99.
doi:10.20450/mjcce.2021.2127 .
Ivanović, Marija, Nenadović, Snežana S., Pavlović, Vera P., Radović, Ivona R., Kijevčanin, Mirjana Lj., Pavlović, Vladimir B., Kljajević, Ljiljana M., "The influence of thermodynamic parameters on alkaline activator of geopolymers and structure of geopolymers" in Macedonian Journal of Chemistry and Chemical Engineering, 40, no. 1 (2021):99,
https://doi.org/10.20450/mjcce.2021.2127 . .
8
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7

Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths

Prokić, Danijela; Vukčević, Marija; Kalijadis, Ana; Maletić, Marina; Babić, Biljana M.; Đurkić, Tatjana

(Korean Fiber Soc, Seoul, 2020)

TY  - JOUR
AU  - Prokić, Danijela
AU  - Vukčević, Marija
AU  - Kalijadis, Ana
AU  - Maletić, Marina
AU  - Babić, Biljana M.
AU  - Đurkić, Tatjana
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4450
AB  - This paper explores the applicability of unmodified and chemically modified activated carbon cloths (ACCs) for the removal of estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol from water. In order to examine the influence of surface properties on hormone adsorption, chemical modification of ACCs with HNO3, HCl, or KOH was employed. Applied treatments increased the specific surface area and changed the content of oxygen functional groups. Increased content of acidic surface oxygen functionalities enhanced adsorption efficiency up to 30 % and had a more dominant influence on adsorption capacity than specific surface area. Adsorption of estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol followed pseudo-second-order kinetic model, while the equilibrium adsorption data fitted well with the Freundlich isotherm model. Calculated mean sorption energy values of 1.4475, 1.3387, and 1.0541 kJ/mol, for E1, E2, and EE2 respectively, indicated that removal of selected hormones was dominated by physisorption mechanism. Obtained Langmuir adsorption capacities, 12.34, 12.66, and 11.11 mg/g for estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol, respectively, as well as convenience of manipulation, recommend activated carbon cloth modified with HNO3 as an efficient adsorbent for removing estrogen hormones from the water.
PB  - Korean Fiber Soc, Seoul
T2  - Fibers and Polymers
T1  - Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths
EP  - 2274
IS  - 10
SP  - 2263
VL  - 21
DO  - 10.1007/s12221-020-9758-2
ER  - 
@article{
author = "Prokić, Danijela and Vukčević, Marija and Kalijadis, Ana and Maletić, Marina and Babić, Biljana M. and Đurkić, Tatjana",
year = "2020",
abstract = "This paper explores the applicability of unmodified and chemically modified activated carbon cloths (ACCs) for the removal of estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol from water. In order to examine the influence of surface properties on hormone adsorption, chemical modification of ACCs with HNO3, HCl, or KOH was employed. Applied treatments increased the specific surface area and changed the content of oxygen functional groups. Increased content of acidic surface oxygen functionalities enhanced adsorption efficiency up to 30 % and had a more dominant influence on adsorption capacity than specific surface area. Adsorption of estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol followed pseudo-second-order kinetic model, while the equilibrium adsorption data fitted well with the Freundlich isotherm model. Calculated mean sorption energy values of 1.4475, 1.3387, and 1.0541 kJ/mol, for E1, E2, and EE2 respectively, indicated that removal of selected hormones was dominated by physisorption mechanism. Obtained Langmuir adsorption capacities, 12.34, 12.66, and 11.11 mg/g for estrone, 17 beta-estradiol, and 17 alpha-ethinylestradiol, respectively, as well as convenience of manipulation, recommend activated carbon cloth modified with HNO3 as an efficient adsorbent for removing estrogen hormones from the water.",
publisher = "Korean Fiber Soc, Seoul",
journal = "Fibers and Polymers",
title = "Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths",
pages = "2274-2263",
number = "10",
volume = "21",
doi = "10.1007/s12221-020-9758-2"
}
Prokić, D., Vukčević, M., Kalijadis, A., Maletić, M., Babić, B. M.,& Đurkić, T.. (2020). Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths. in Fibers and Polymers
Korean Fiber Soc, Seoul., 21(10), 2263-2274.
https://doi.org/10.1007/s12221-020-9758-2
Prokić D, Vukčević M, Kalijadis A, Maletić M, Babić BM, Đurkić T. Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths. in Fibers and Polymers. 2020;21(10):2263-2274.
doi:10.1007/s12221-020-9758-2 .
Prokić, Danijela, Vukčević, Marija, Kalijadis, Ana, Maletić, Marina, Babić, Biljana M., Đurkić, Tatjana, "Removal of Estrone, 17 beta-Estradiol, and 17 alpha-Ethinylestradiol from Water by Adsorption onto Chemically Modified Activated Carbon Cloths" in Fibers and Polymers, 21, no. 10 (2020):2263-2274,
https://doi.org/10.1007/s12221-020-9758-2 . .
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11

Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy

Radetić, Tamara; Popović, Miljana; Romhanji, Endre

(Inst Za Kovinske Materiale I In Tehnologie, Ljubjana, 2020)

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Romhanji, Endre
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4535
AB  - The propensity of an alloy toward an abnormal grain growth (AGG) severely limits the annealing temperature range, capability for hot forming, and deteriorates mechanical properties. In this work, the results of a study of the effect of thermo-mechanical processing (TMP) of Al-Mg alloy AA5182 on the AGG are reported. TMP included cold rolling with a reduction range of 40-85 % followed by isochronal annealing (1 h) in a temperature range of 350-520 degrees C or isothermal treatment at 480 degrees C for different periods of time. The microstructure was characterized using optical microscopy in polarized light and an FEG SEM. The results showed that an increase in the degree of reduction lowers the annealing temperature for the onset of the AGG, while an increase in the annealing temperature increases the extent of the AGG for a given cold reduction. The abnormal grains tended to form in the region close to the surface of the plates, and with extended annealing bands. develope parallel to the surfaces in the rolling direction. However, no appreciable grain growth occurred in the plate center. The AGG and grain-boundary mobility showed a strong anisotropy with a much faster lateral growth than the motion of the growth front normal to the plate surface. Such anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning.
PB  - Inst Za Kovinske Materiale I In Tehnologie, Ljubjana
T2  - Materiali in Tehnologije
T1  - Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy
EP  - 90
IS  - 1
SP  - 85
VL  - 54
DO  - 10.17222/mit.2019.134
ER  - 
@article{
author = "Radetić, Tamara and Popović, Miljana and Romhanji, Endre",
year = "2020",
abstract = "The propensity of an alloy toward an abnormal grain growth (AGG) severely limits the annealing temperature range, capability for hot forming, and deteriorates mechanical properties. In this work, the results of a study of the effect of thermo-mechanical processing (TMP) of Al-Mg alloy AA5182 on the AGG are reported. TMP included cold rolling with a reduction range of 40-85 % followed by isochronal annealing (1 h) in a temperature range of 350-520 degrees C or isothermal treatment at 480 degrees C for different periods of time. The microstructure was characterized using optical microscopy in polarized light and an FEG SEM. The results showed that an increase in the degree of reduction lowers the annealing temperature for the onset of the AGG, while an increase in the annealing temperature increases the extent of the AGG for a given cold reduction. The abnormal grains tended to form in the region close to the surface of the plates, and with extended annealing bands. develope parallel to the surfaces in the rolling direction. However, no appreciable grain growth occurred in the plate center. The AGG and grain-boundary mobility showed a strong anisotropy with a much faster lateral growth than the motion of the growth front normal to the plate surface. Such anisotropy was attributed to the rod-like shape and alignment of Al6Mn dispersoids through Zener pinning.",
publisher = "Inst Za Kovinske Materiale I In Tehnologie, Ljubjana",
journal = "Materiali in Tehnologije",
title = "Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy",
pages = "90-85",
number = "1",
volume = "54",
doi = "10.17222/mit.2019.134"
}
Radetić, T., Popović, M.,& Romhanji, E.. (2020). Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy. in Materiali in Tehnologije
Inst Za Kovinske Materiale I In Tehnologie, Ljubjana., 54(1), 85-90.
https://doi.org/10.17222/mit.2019.134
Radetić T, Popović M, Romhanji E. Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy. in Materiali in Tehnologije. 2020;54(1):85-90.
doi:10.17222/mit.2019.134 .
Radetić, Tamara, Popović, Miljana, Romhanji, Endre, "Influence of cold-rolling deformation and annealing temperature on the grain growth of al-4%mg-mn alloy" in Materiali in Tehnologije, 54, no. 1 (2020):85-90,
https://doi.org/10.17222/mit.2019.134 . .

Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry

Gvozdić, Eleonora; Matić Bujagić, Ivana; Đurkić, Tatjana; Grujić, Svetlana

(Elsevier Inc., 2020)

TY  - JOUR
AU  - Gvozdić, Eleonora
AU  - Matić Bujagić, Ivana
AU  - Đurkić, Tatjana
AU  - Grujić, Svetlana
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4395
PB  - Elsevier Inc.
T2  - Microchemical Journal
T1  - Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry
SP  - 105071
VL  - 157
DO  - 10.1016/j.microc.2020.105071
ER  - 
@article{
author = "Gvozdić, Eleonora and Matić Bujagić, Ivana and Đurkić, Tatjana and Grujić, Svetlana",
year = "2020",
publisher = "Elsevier Inc.",
journal = "Microchemical Journal",
title = "Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry",
pages = "105071",
volume = "157",
doi = "10.1016/j.microc.2020.105071"
}
Gvozdić, E., Matić Bujagić, I., Đurkić, T.,& Grujić, S.. (2020). Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry. in Microchemical Journal
Elsevier Inc.., 157, 105071.
https://doi.org/10.1016/j.microc.2020.105071
Gvozdić E, Matić Bujagić I, Đurkić T, Grujić S. Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry. in Microchemical Journal. 2020;157:105071.
doi:10.1016/j.microc.2020.105071 .
Gvozdić, Eleonora, Matić Bujagić, Ivana, Đurkić, Tatjana, Grujić, Svetlana, "Trace analysis of artificial sweeteners in environmental waters, wastewater and river sediments by liquid chromatography-tandem mass spectrometry" in Microchemical Journal, 157 (2020):105071,
https://doi.org/10.1016/j.microc.2020.105071 . .
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3
11

Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111)

Mladenović, Ivana; Lamovec, Jelena; Vasiljević-Radović, Dana; Vasilić, Rastko; Radojević, Vesna; Nikolić, Nebojša

(MDPI, Basel, 2020)

TY  - JOUR
AU  - Mladenović, Ivana
AU  - Lamovec, Jelena
AU  - Vasiljević-Radović, Dana
AU  - Vasilić, Rastko
AU  - Radojević, Vesna
AU  - Nikolić, Nebojša
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4539
AB  - Copper electrodeposition on (111)-oriented Si substrate was performed by the pulsating current (PC) regime at various average current densities in the range of 15-70 mAcm(-2), obtained by varying either the frequency (30, 50, 80 and 100 Hz for the current density amplitude of 100 mAcm(-2)) or the current density amplitude (120 and 140 mAcm(-2) at 100 Hz). The produced Cu coatings were examined by SEM, AFM and XRD techniques. The morphology of the coatings changed from those with large grains to fine-grained and globular, while the crystal structure changed from the strong (220) to the strong (111) preferred orientation by increasing the average current density. The mechanical characteristics of coatings were examined using Vickers micro-indentation tests, applying the Chicot-Lesage (C-L) composite hardness model for the analysis of microhardness. The maximum microhardness was obtained for the Cu coating produced at an average current density of 50 mAcm(-2), with a current density amplitude of 100 mAcm(-2) and a frequency of 100 Hz. This copper coating was fine-grained and showed the smallest roughness in relation to the other coatings, and it was obtained in the mixed activation-diffusion control between the end of the effect of the activation control and the beginning of the dominant effect of diffusion control.
PB  - MDPI, Basel
T2  - Metals
T1  - Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111)
IS  - 4
VL  - 10
DO  - 10.3390/met10040488
ER  - 
@article{
author = "Mladenović, Ivana and Lamovec, Jelena and Vasiljević-Radović, Dana and Vasilić, Rastko and Radojević, Vesna and Nikolić, Nebojša",
year = "2020",
abstract = "Copper electrodeposition on (111)-oriented Si substrate was performed by the pulsating current (PC) regime at various average current densities in the range of 15-70 mAcm(-2), obtained by varying either the frequency (30, 50, 80 and 100 Hz for the current density amplitude of 100 mAcm(-2)) or the current density amplitude (120 and 140 mAcm(-2) at 100 Hz). The produced Cu coatings were examined by SEM, AFM and XRD techniques. The morphology of the coatings changed from those with large grains to fine-grained and globular, while the crystal structure changed from the strong (220) to the strong (111) preferred orientation by increasing the average current density. The mechanical characteristics of coatings were examined using Vickers micro-indentation tests, applying the Chicot-Lesage (C-L) composite hardness model for the analysis of microhardness. The maximum microhardness was obtained for the Cu coating produced at an average current density of 50 mAcm(-2), with a current density amplitude of 100 mAcm(-2) and a frequency of 100 Hz. This copper coating was fine-grained and showed the smallest roughness in relation to the other coatings, and it was obtained in the mixed activation-diffusion control between the end of the effect of the activation control and the beginning of the dominant effect of diffusion control.",
publisher = "MDPI, Basel",
journal = "Metals",
title = "Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111)",
number = "4",
volume = "10",
doi = "10.3390/met10040488"
}
Mladenović, I., Lamovec, J., Vasiljević-Radović, D., Vasilić, R., Radojević, V.,& Nikolić, N.. (2020). Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111). in Metals
MDPI, Basel., 10(4).
https://doi.org/10.3390/met10040488
Mladenović I, Lamovec J, Vasiljević-Radović D, Vasilić R, Radojević V, Nikolić N. Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111). in Metals. 2020;10(4).
doi:10.3390/met10040488 .
Mladenović, Ivana, Lamovec, Jelena, Vasiljević-Radović, Dana, Vasilić, Rastko, Radojević, Vesna, Nikolić, Nebojša, "Morphology, Structure and Mechanical Properties of Copper Coatings Electrodeposited by Pulsating Current (PC) Regime on Si(111)" in Metals, 10, no. 4 (2020),
https://doi.org/10.3390/met10040488 . .
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13

The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films

Kalifa, Mustafa; Tomić, Nataša; Vuksanović, Marija M.; Stevanović, Sanja; Đokić, Veljko; Volkov-Husović, Tatjana; Pavlović, Vladimir B.; Jančić-Heinemann, Radmila; Marinković, Aleksandar

(Wiley, Hoboken, 2020)

TY  - JOUR
AU  - Kalifa, Mustafa
AU  - Tomić, Nataša
AU  - Vuksanović, Marija M.
AU  - Stevanović, Sanja
AU  - Đokić, Veljko
AU  - Volkov-Husović, Tatjana
AU  - Pavlović, Vladimir B.
AU  - Jančić-Heinemann, Radmila
AU  - Marinković, Aleksandar
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4523
AB  - Cavitation erosion of hybrid acrylate composite films with polyhedral oligosilsesquioxanes (POSS) was investigated in this study. The hybrid films are made with 1, 3 and 5 wt% of POSS reagents containing: (a) hydroxyl (POSS-M), (b) both hydroxyl and allyl (POSS-M-A) and
PB  - Wiley, Hoboken
T2  - Polymer Composites
T1  - The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films
EP  - 3410
IS  - 8
SP  - 3403
VL  - 41
DO  - 10.1002/pc.25629
ER  - 
@article{
author = "Kalifa, Mustafa and Tomić, Nataša and Vuksanović, Marija M. and Stevanović, Sanja and Đokić, Veljko and Volkov-Husović, Tatjana and Pavlović, Vladimir B. and Jančić-Heinemann, Radmila and Marinković, Aleksandar",
year = "2020",
abstract = "Cavitation erosion of hybrid acrylate composite films with polyhedral oligosilsesquioxanes (POSS) was investigated in this study. The hybrid films are made with 1, 3 and 5 wt% of POSS reagents containing: (a) hydroxyl (POSS-M), (b) both hydroxyl and allyl (POSS-M-A) and",
publisher = "Wiley, Hoboken",
journal = "Polymer Composites",
title = "The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films",
pages = "3410-3403",
number = "8",
volume = "41",
doi = "10.1002/pc.25629"
}
Kalifa, M., Tomić, N., Vuksanović, M. M., Stevanović, S., Đokić, V., Volkov-Husović, T., Pavlović, V. B., Jančić-Heinemann, R.,& Marinković, A.. (2020). The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films. in Polymer Composites
Wiley, Hoboken., 41(8), 3403-3410.
https://doi.org/10.1002/pc.25629
Kalifa M, Tomić N, Vuksanović MM, Stevanović S, Đokić V, Volkov-Husović T, Pavlović VB, Jančić-Heinemann R, Marinković A. The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films. in Polymer Composites. 2020;41(8):3403-3410.
doi:10.1002/pc.25629 .
Kalifa, Mustafa, Tomić, Nataša, Vuksanović, Marija M., Stevanović, Sanja, Đokić, Veljko, Volkov-Husović, Tatjana, Pavlović, Vladimir B., Jančić-Heinemann, Radmila, Marinković, Aleksandar, "The effect of polyhedral oligosilsesquioxanes (POSS) on cavitation resistance of hybrid acrylate films" in Polymer Composites, 41, no. 8 (2020):3403-3410,
https://doi.org/10.1002/pc.25629 . .
2
2

The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys

Radetić, Tamara; Popović, Miljana; Gligorijević, Bojan; Alil, Ana; Romhanji, Endre

(Savez inženjera metalurgije Srbije, Beograd, 2019)

TY  - JOUR
AU  - Radetić, Tamara
AU  - Popović, Miljana
AU  - Gligorijević, Bojan
AU  - Alil, Ana
AU  - Romhanji, Endre
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4047
AB  - The occurrence of abnormal grain growth (AGG) in AA5182 alloy during annealing imposes severe restrictions on processing parameters and deteriorates mechanical properties. In this work, we investigated the effect of chemical composition on the appearance of abnormal grain growth by varying Mg and Mn content in the range of composition limits for standard AA5182 alloy, 4.0-5.0% Mg, and 0.2-0.5% Mn, respectively. Thermo-mechanical processing of alloys included cold rolling with reductions ranging from 40 to 85%, followed by annealing in the temperature range from 350 to 520 degrees C. The results showed that the rise in alloying elements content drives the onset of abnormal grain growth toward higher temperatures. The increase in the cold rolling reduction degree promotes abnormal grain growth and lowers its onset temperature. Abnormal grain growth and grain boundary mobility showed strong anisotropy related to rod-like shape and alignment of Al6Mn(Fe) dispersoids through Zener pinning.
PB  - Savez inženjera metalurgije Srbije, Beograd
T2  - Metallurgical & Materials Engineering
T1  - The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys
EP  - 323
IS  - 4
SP  - 315
VL  - 25
DO  - 10.30544/463
ER  - 
@article{
author = "Radetić, Tamara and Popović, Miljana and Gligorijević, Bojan and Alil, Ana and Romhanji, Endre",
year = "2019",
abstract = "The occurrence of abnormal grain growth (AGG) in AA5182 alloy during annealing imposes severe restrictions on processing parameters and deteriorates mechanical properties. In this work, we investigated the effect of chemical composition on the appearance of abnormal grain growth by varying Mg and Mn content in the range of composition limits for standard AA5182 alloy, 4.0-5.0% Mg, and 0.2-0.5% Mn, respectively. Thermo-mechanical processing of alloys included cold rolling with reductions ranging from 40 to 85%, followed by annealing in the temperature range from 350 to 520 degrees C. The results showed that the rise in alloying elements content drives the onset of abnormal grain growth toward higher temperatures. The increase in the cold rolling reduction degree promotes abnormal grain growth and lowers its onset temperature. Abnormal grain growth and grain boundary mobility showed strong anisotropy related to rod-like shape and alignment of Al6Mn(Fe) dispersoids through Zener pinning.",
publisher = "Savez inženjera metalurgije Srbije, Beograd",
journal = "Metallurgical & Materials Engineering",
title = "The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys",
pages = "323-315",
number = "4",
volume = "25",
doi = "10.30544/463"
}
Radetić, T., Popović, M., Gligorijević, B., Alil, A.,& Romhanji, E.. (2019). The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys. in Metallurgical & Materials Engineering
Savez inženjera metalurgije Srbije, Beograd., 25(4), 315-323.
https://doi.org/10.30544/463
Radetić T, Popović M, Gligorijević B, Alil A, Romhanji E. The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys. in Metallurgical & Materials Engineering. 2019;25(4):315-323.
doi:10.30544/463 .
Radetić, Tamara, Popović, Miljana, Gligorijević, Bojan, Alil, Ana, Romhanji, Endre, "The influence of Mg and Mn content on abnormal grain growth in AA5182 type alloys" in Metallurgical & Materials Engineering, 25, no. 4 (2019):315-323,
https://doi.org/10.30544/463 . .

Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films

Dimić-Misić, Katarina; Kostić, Mirjana; Obradović, Bratislav M.; Kramar, Ana; Jovanović, Stevan; Stepanenko, Dimitrije; Mitrović-Dankulov, Marija; Lazović, Saša; Johansson, Leena-Sisko; Maloney, Thad; Gane, Patrick

(Springer, Dordrecht, 2019)

TY  - JOUR
AU  - Dimić-Misić, Katarina
AU  - Kostić, Mirjana
AU  - Obradović, Bratislav M.
AU  - Kramar, Ana
AU  - Jovanović, Stevan
AU  - Stepanenko, Dimitrije
AU  - Mitrović-Dankulov, Marija
AU  - Lazović, Saša
AU  - Johansson, Leena-Sisko
AU  - Maloney, Thad
AU  - Gane, Patrick
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4248
AB  - We find that nitrogen plasma treatment of micro/nanofibrillated cellulose films increases wettability of the surface by both liquid polar water and nonpolar hexadecane. The increased wetting effect is more pronounced in the case of polar liquid, favouring the use of plasma treated micro/nanofibrillated cellulose films as substrates for a range of inkjet printing including organic-based polar-solvent inks. The films were formed from aqueous suspensions of progressively enzymatic pretreated wood-free cellulose fibres, resulting in increased removal of amorphous species producing novel nanocellulose surfaces displaying increasing crystallinity. The mechanical properties of each film are shown to be highly dependent on the enzymatic pretreatment time. The change in surface chemistry arising from exposure to nitrogen plasma is revealed using X-ray photoelectron spectroscopy. That both polar and dispersive surface energy components become increased, as measured by contact angle, is also linked to an increase in surface roughness. The change in surface free energy is exemplified to favour the trapping of photovoltaic inks.
PB  - Springer, Dordrecht
T2  - Cellulose
T1  - Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films
EP  - 3857
IS  - 6
SP  - 3845
VL  - 26
DO  - 10.1007/s10570-019-02269-4
ER  - 
@article{
author = "Dimić-Misić, Katarina and Kostić, Mirjana and Obradović, Bratislav M. and Kramar, Ana and Jovanović, Stevan and Stepanenko, Dimitrije and Mitrović-Dankulov, Marija and Lazović, Saša and Johansson, Leena-Sisko and Maloney, Thad and Gane, Patrick",
year = "2019",
abstract = "We find that nitrogen plasma treatment of micro/nanofibrillated cellulose films increases wettability of the surface by both liquid polar water and nonpolar hexadecane. The increased wetting effect is more pronounced in the case of polar liquid, favouring the use of plasma treated micro/nanofibrillated cellulose films as substrates for a range of inkjet printing including organic-based polar-solvent inks. The films were formed from aqueous suspensions of progressively enzymatic pretreated wood-free cellulose fibres, resulting in increased removal of amorphous species producing novel nanocellulose surfaces displaying increasing crystallinity. The mechanical properties of each film are shown to be highly dependent on the enzymatic pretreatment time. The change in surface chemistry arising from exposure to nitrogen plasma is revealed using X-ray photoelectron spectroscopy. That both polar and dispersive surface energy components become increased, as measured by contact angle, is also linked to an increase in surface roughness. The change in surface free energy is exemplified to favour the trapping of photovoltaic inks.",
publisher = "Springer, Dordrecht",
journal = "Cellulose",
title = "Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films",
pages = "3857-3845",
number = "6",
volume = "26",
doi = "10.1007/s10570-019-02269-4"
}
Dimić-Misić, K., Kostić, M., Obradović, B. M., Kramar, A., Jovanović, S., Stepanenko, D., Mitrović-Dankulov, M., Lazović, S., Johansson, L., Maloney, T.,& Gane, P.. (2019). Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films. in Cellulose
Springer, Dordrecht., 26(6), 3845-3857.
https://doi.org/10.1007/s10570-019-02269-4
Dimić-Misić K, Kostić M, Obradović BM, Kramar A, Jovanović S, Stepanenko D, Mitrović-Dankulov M, Lazović S, Johansson L, Maloney T, Gane P. Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films. in Cellulose. 2019;26(6):3845-3857.
doi:10.1007/s10570-019-02269-4 .
Dimić-Misić, Katarina, Kostić, Mirjana, Obradović, Bratislav M., Kramar, Ana, Jovanović, Stevan, Stepanenko, Dimitrije, Mitrović-Dankulov, Marija, Lazović, Saša, Johansson, Leena-Sisko, Maloney, Thad, Gane, Patrick, "Nitrogen plasma surface treatment for improving polar ink adhesion on micro/nanofibrillated cellulose films" in Cellulose, 26, no. 6 (2019):3845-3857,
https://doi.org/10.1007/s10570-019-02269-4 . .
12
7
11

Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability

Liović, Nikolina; Bošković, Perica; Drvenica, Ivana; Jambrak, Anet Rezek; Dropulić, Ana Marija; Kresić, Greta; Nedović, Viktor; Bugarski, Branko; Zorić, Zoran; Pedisić, Sandra; Bilusić, Tea

(De Gruyter Poland Sp Zoo, Warsaw, 2019)

TY  - JOUR
AU  - Liović, Nikolina
AU  - Bošković, Perica
AU  - Drvenica, Ivana
AU  - Jambrak, Anet Rezek
AU  - Dropulić, Ana Marija
AU  - Kresić, Greta
AU  - Nedović, Viktor
AU  - Bugarski, Branko
AU  - Zorić, Zoran
AU  - Pedisić, Sandra
AU  - Bilusić, Tea
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4249
AB  - Natural phenolic compounds are recognized as bioactive ingredients in food but can also have a role as effective alternatives to synthetic antioxidants in stability improvement of foods prone to oxidation, such as edible oils. This study aimed at the preparation and HPLC-DAD characterization of phenolic extracts from lisccinium corymbosum L. (raw, pasteurized, freeze-dried and treated with high-intensity ultrasound), and at testing their antioxidant potential in the prevention of olive oil oxidation in the native state and encapsulated into microemulsions and liposomes systems. Water-in-oil structured microemulsions used in this study were prepared using mechanical, ultrasonic, and high pressure homogenization. Liposomes with the average size of 589.1 +/- 2.9 nm were produced with the proliposome method using commercially available phosphatidylcholine - Phospolipon 90G. The obtained results showed significant prolongation of the oxidative stability of extra virgin olive oil enriched with encapsulated blueberry phenolic extracts than with native phenolic extracts, regardless of the method used for blueberry processing. Phenolic extracts encapsulated in microemulsions had a stronger effect on the prolongation of olive oil oxidative stability in comparison with the extracts encapsulated in liposomes. The average prolongation rate of oxidative stability was 45.65% by phenolic extracts encapsulated in microemulsions prepared by mechanical homogenization (p=0.012), and 58.72% by microemulsions prepared by ultrasound homogenization (p=0.011). Phenolic extracts encapsulated in microemulsions prepared by high pressure homogenization had no effect on oil oxidative stability prolongation.
PB  - De Gruyter Poland Sp Zoo, Warsaw
T2  - Polish Journal of Food and Nutrition Sciences
T1  - Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability
EP  - 33
IS  - 1
SP  - 23
VL  - 69
DO  - 10.31883/pjfns-2019-0003
ER  - 
@article{
author = "Liović, Nikolina and Bošković, Perica and Drvenica, Ivana and Jambrak, Anet Rezek and Dropulić, Ana Marija and Kresić, Greta and Nedović, Viktor and Bugarski, Branko and Zorić, Zoran and Pedisić, Sandra and Bilusić, Tea",
year = "2019",
abstract = "Natural phenolic compounds are recognized as bioactive ingredients in food but can also have a role as effective alternatives to synthetic antioxidants in stability improvement of foods prone to oxidation, such as edible oils. This study aimed at the preparation and HPLC-DAD characterization of phenolic extracts from lisccinium corymbosum L. (raw, pasteurized, freeze-dried and treated with high-intensity ultrasound), and at testing their antioxidant potential in the prevention of olive oil oxidation in the native state and encapsulated into microemulsions and liposomes systems. Water-in-oil structured microemulsions used in this study were prepared using mechanical, ultrasonic, and high pressure homogenization. Liposomes with the average size of 589.1 +/- 2.9 nm were produced with the proliposome method using commercially available phosphatidylcholine - Phospolipon 90G. The obtained results showed significant prolongation of the oxidative stability of extra virgin olive oil enriched with encapsulated blueberry phenolic extracts than with native phenolic extracts, regardless of the method used for blueberry processing. Phenolic extracts encapsulated in microemulsions had a stronger effect on the prolongation of olive oil oxidative stability in comparison with the extracts encapsulated in liposomes. The average prolongation rate of oxidative stability was 45.65% by phenolic extracts encapsulated in microemulsions prepared by mechanical homogenization (p=0.012), and 58.72% by microemulsions prepared by ultrasound homogenization (p=0.011). Phenolic extracts encapsulated in microemulsions prepared by high pressure homogenization had no effect on oil oxidative stability prolongation.",
publisher = "De Gruyter Poland Sp Zoo, Warsaw",
journal = "Polish Journal of Food and Nutrition Sciences",
title = "Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability",
pages = "33-23",
number = "1",
volume = "69",
doi = "10.31883/pjfns-2019-0003"
}
Liović, N., Bošković, P., Drvenica, I., Jambrak, A. R., Dropulić, A. M., Kresić, G., Nedović, V., Bugarski, B., Zorić, Z., Pedisić, S.,& Bilusić, T.. (2019). Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability. in Polish Journal of Food and Nutrition Sciences
De Gruyter Poland Sp Zoo, Warsaw., 69(1), 23-33.
https://doi.org/10.31883/pjfns-2019-0003
Liović N, Bošković P, Drvenica I, Jambrak AR, Dropulić AM, Kresić G, Nedović V, Bugarski B, Zorić Z, Pedisić S, Bilusić T. Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability. in Polish Journal of Food and Nutrition Sciences. 2019;69(1):23-33.
doi:10.31883/pjfns-2019-0003 .
Liović, Nikolina, Bošković, Perica, Drvenica, Ivana, Jambrak, Anet Rezek, Dropulić, Ana Marija, Kresić, Greta, Nedović, Viktor, Bugarski, Branko, Zorić, Zoran, Pedisić, Sandra, Bilusić, Tea, "Phenolic Extracts from Vaccinium corymbosum L. Loaded in Microemulsions and Liposomes as Enhancers of Olive Oil Oxidative Stability" in Polish Journal of Food and Nutrition Sciences, 69, no. 1 (2019):23-33,
https://doi.org/10.31883/pjfns-2019-0003 . .
10
6
11

Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution

Suručić, Ljiljana T.; Janjić, Goran; Rakić, Aleksandra; Nastasović, Aleksandra; Popović, Aleksandar R.; Milčić, Miloš; Onjia, Antonije

(Springer, New York, 2019)

TY  - JOUR
AU  - Suručić, Ljiljana T.
AU  - Janjić, Goran
AU  - Rakić, Aleksandra
AU  - Nastasović, Aleksandra
AU  - Popović, Aleksandar R.
AU  - Milčić, Miloš
AU  - Onjia, Antonije
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4217
AB  - With regard to the harmful effects of heavy metals on human health and the environment, the demand for synthesis and investigation of macromolecules with large capacity of harmful substances sorption is ever greater. Quantum-chemical methods may be applied in structural modeling, prediction, and characterization of such molecules and reactions. Sorption of metal ions (Cu2+, Cd2+, Co2+, and Ni2+) to triethylenetetramine-functionalized copolymer poly(GMA-co-EGDMA)-teta was successfully modeled by quantum chemical calculations, at the B3LYP//6-311++G**/lanl2dz level. Optimized structures of metal complexes were used for calculation of real binding energy of metal ion within the complex (Er). Solvent and hydrolyzation effects were essential for obtaining the objective values. Solvent effect was included in Er by using the total solvation energy for reaction of formation of tetaOH complex (Es1, the first approach) or by using dehydration energy of free metal ion (Es2, the second approach). Experimental results were confirmed in our theoretical analyses (using the second approach).
PB  - Springer, New York
T2  - Journal of Molecular Modeling
T1  - Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution
IS  - 6
VL  - 25
DO  - 10.1007/s00894-019-4053-0
ER  - 
@article{
author = "Suručić, Ljiljana T. and Janjić, Goran and Rakić, Aleksandra and Nastasović, Aleksandra and Popović, Aleksandar R. and Milčić, Miloš and Onjia, Antonije",
year = "2019",
abstract = "With regard to the harmful effects of heavy metals on human health and the environment, the demand for synthesis and investigation of macromolecules with large capacity of harmful substances sorption is ever greater. Quantum-chemical methods may be applied in structural modeling, prediction, and characterization of such molecules and reactions. Sorption of metal ions (Cu2+, Cd2+, Co2+, and Ni2+) to triethylenetetramine-functionalized copolymer poly(GMA-co-EGDMA)-teta was successfully modeled by quantum chemical calculations, at the B3LYP//6-311++G**/lanl2dz level. Optimized structures of metal complexes were used for calculation of real binding energy of metal ion within the complex (Er). Solvent and hydrolyzation effects were essential for obtaining the objective values. Solvent effect was included in Er by using the total solvation energy for reaction of formation of tetaOH complex (Es1, the first approach) or by using dehydration energy of free metal ion (Es2, the second approach). Experimental results were confirmed in our theoretical analyses (using the second approach).",
publisher = "Springer, New York",
journal = "Journal of Molecular Modeling",
title = "Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution",
number = "6",
volume = "25",
doi = "10.1007/s00894-019-4053-0"
}
Suručić, L. T., Janjić, G., Rakić, A., Nastasović, A., Popović, A. R., Milčić, M.,& Onjia, A.. (2019). Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution. in Journal of Molecular Modeling
Springer, New York., 25(6).
https://doi.org/10.1007/s00894-019-4053-0
Suručić LT, Janjić G, Rakić A, Nastasović A, Popović AR, Milčić M, Onjia A. Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution. in Journal of Molecular Modeling. 2019;25(6).
doi:10.1007/s00894-019-4053-0 .
Suručić, Ljiljana T., Janjić, Goran, Rakić, Aleksandra, Nastasović, Aleksandra, Popović, Aleksandar R., Milčić, Miloš, Onjia, Antonije, "Theoretical modeling of sorption of metal ions on amino-functionalized macroporous copolymer in aqueous solution" in Journal of Molecular Modeling, 25, no. 6 (2019),
https://doi.org/10.1007/s00894-019-4053-0 . .
3
1
3

The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties

Elmalimadi, Mohamed B.; Stefanović, Andrea; Šekuljica, Nataša; Žuža, Milena; Luković, Nevena; Jovanović, Jelena; Knežević-Jugović, Zorica

(Wiley, Hoboken, 2017)

TY  - JOUR
AU  - Elmalimadi, Mohamed B.
AU  - Stefanović, Andrea
AU  - Šekuljica, Nataša
AU  - Žuža, Milena
AU  - Luković, Nevena
AU  - Jovanović, Jelena
AU  - Knežević-Jugović, Zorica
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3625
AB  - In order to confirm the gluten potential for inclusion into functional foods, the synergistic effect of the heat treatment and controlled enzymatic hydrolysis on the functional and the antioxidant properties of alcalase-assisted wheat gluten hydrolysates (AWGHs) will be discussed. For this purpose, wheat gluten was heat-treated during 30min at 75 degrees C and intensively hydrolyzed with alcalase at degree of hydrolysis (DH) 16.1%, 22.9%, and 30.2%. All the hydrolysates had excellent solubility over a pH range of 2-12. Emulsifying activity and stability were also improved, while proteolysis was deleterious to foam capacity and stability, water-holding capacity, fat-binding capacity and did not show improvement at higher DH (22.9% and 30.2%). As well, controlled hydrolysis of heat-treated gluten resulted in a remarkable improvement in antioxidant activities. The results show that the heat-treated AWGHs were superior to the untreated hydrolysate in the functional and antioxidant properties tested. Practical applicationsThis report examines existing evidence regarding the wheat gluten proteins (WGP), which is a byproduct from wheat starch processing. It is known that enzymatic hydrolysis is frequently used to improve functional properties of protein hydrolysates and largely dependent on the degree of hydrolysis (DH), which needs to be controlled to elude redundant proteolysis that can deteriorate functionality and cause unfavorable effects. The DH is a substantial factor which affect the hydrolysates' performances and an appropriate selection of protease for WGP hydrolysis will result in maximum biological activity and improved functionalities. Heat treatment is often used to facilitate the proteolysis of proteins. Thus, functional and antioxidant properties of WGP hydrolysates, as a function of heat treatment and the DH were adequately examined in this study and results showed that by combining heat prehydrolysis treatment under controlled conditions, hydrolysates with improved properties can be produced enhancing utilization of WGP in food products.
PB  - Wiley, Hoboken
T2  - Journal of Food Processing and Preservation
T1  - The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties
IS  - 5
VL  - 41
DO  - 10.1111/jfpp.13207
ER  - 
@article{
author = "Elmalimadi, Mohamed B. and Stefanović, Andrea and Šekuljica, Nataša and Žuža, Milena and Luković, Nevena and Jovanović, Jelena and Knežević-Jugović, Zorica",
year = "2017",
abstract = "In order to confirm the gluten potential for inclusion into functional foods, the synergistic effect of the heat treatment and controlled enzymatic hydrolysis on the functional and the antioxidant properties of alcalase-assisted wheat gluten hydrolysates (AWGHs) will be discussed. For this purpose, wheat gluten was heat-treated during 30min at 75 degrees C and intensively hydrolyzed with alcalase at degree of hydrolysis (DH) 16.1%, 22.9%, and 30.2%. All the hydrolysates had excellent solubility over a pH range of 2-12. Emulsifying activity and stability were also improved, while proteolysis was deleterious to foam capacity and stability, water-holding capacity, fat-binding capacity and did not show improvement at higher DH (22.9% and 30.2%). As well, controlled hydrolysis of heat-treated gluten resulted in a remarkable improvement in antioxidant activities. The results show that the heat-treated AWGHs were superior to the untreated hydrolysate in the functional and antioxidant properties tested. Practical applicationsThis report examines existing evidence regarding the wheat gluten proteins (WGP), which is a byproduct from wheat starch processing. It is known that enzymatic hydrolysis is frequently used to improve functional properties of protein hydrolysates and largely dependent on the degree of hydrolysis (DH), which needs to be controlled to elude redundant proteolysis that can deteriorate functionality and cause unfavorable effects. The DH is a substantial factor which affect the hydrolysates' performances and an appropriate selection of protease for WGP hydrolysis will result in maximum biological activity and improved functionalities. Heat treatment is often used to facilitate the proteolysis of proteins. Thus, functional and antioxidant properties of WGP hydrolysates, as a function of heat treatment and the DH were adequately examined in this study and results showed that by combining heat prehydrolysis treatment under controlled conditions, hydrolysates with improved properties can be produced enhancing utilization of WGP in food products.",
publisher = "Wiley, Hoboken",
journal = "Journal of Food Processing and Preservation",
title = "The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties",
number = "5",
volume = "41",
doi = "10.1111/jfpp.13207"
}
Elmalimadi, M. B., Stefanović, A., Šekuljica, N., Žuža, M., Luković, N., Jovanović, J.,& Knežević-Jugović, Z.. (2017). The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties. in Journal of Food Processing and Preservation
Wiley, Hoboken., 41(5).
https://doi.org/10.1111/jfpp.13207
Elmalimadi MB, Stefanović A, Šekuljica N, Žuža M, Luković N, Jovanović J, Knežević-Jugović Z. The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties. in Journal of Food Processing and Preservation. 2017;41(5).
doi:10.1111/jfpp.13207 .
Elmalimadi, Mohamed B., Stefanović, Andrea, Šekuljica, Nataša, Žuža, Milena, Luković, Nevena, Jovanović, Jelena, Knežević-Jugović, Zorica, "The synergistic effect of heat treatment on alcalase-assisted hydrolysis of wheat gluten proteins: Functional and antioxidant properties" in Journal of Food Processing and Preservation, 41, no. 5 (2017),
https://doi.org/10.1111/jfpp.13207 . .
19
11
20

Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications

Šekularac, Gavrilo; Eraković, Sanja; Mijin, Dušan; Pavelkić, Vesna; Stevanović, Jasmina; Panić, Vladimir

(Srpsko hemijsko društvo, Beograd, 2017)

TY  - JOUR
AU  - Šekularac, Gavrilo
AU  - Eraković, Sanja
AU  - Mijin, Dušan
AU  - Pavelkić, Vesna
AU  - Stevanović, Jasmina
AU  - Panić, Vladimir
PY  - 2017
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3586
AB  - For the preparation of RuO2 coatings on Ti substrate, the RuO2 was synthesized in acidic aqueous medium by simple one-step low temperature-controlled microwave (MW) irradiation. The physical composition of synthesized solid phase was analysed through particle size distribution (PSD), whereas the coating was investigated for its capacitive response and activity in oxygen evolution reaction (OER). The oxide phase was found highly polydisperse, with overlapped fractions within rather narrow particle size range and clear tendency toward agglomeration. The smallest particles and their best resolved fractions were synthesized at the temperature just above the boiling point of the reaction medium, and quite below the chloride-to-oxide conversion temperature. Consequently, the highest OER activity was registered for RuO2/Ti anodes prepared from this sample, with strong indication of different oxide structure, with respect to the electrodes prepared from samples synthesized at higher temperatures. However, the coatings from high temperature samples have considerably higher capacitance than those synthesized at lower temperatures. These findings can be rather correlated to the MW temperature-dependent oxide structure than to different morphology analysed through PSD.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications
EP  - 709
IS  - 6
SP  - 695
VL  - 82
DO  - 10.2298/JSC161229040S
ER  - 
@article{
author = "Šekularac, Gavrilo and Eraković, Sanja and Mijin, Dušan and Pavelkić, Vesna and Stevanović, Jasmina and Panić, Vladimir",
year = "2017",
abstract = "For the preparation of RuO2 coatings on Ti substrate, the RuO2 was synthesized in acidic aqueous medium by simple one-step low temperature-controlled microwave (MW) irradiation. The physical composition of synthesized solid phase was analysed through particle size distribution (PSD), whereas the coating was investigated for its capacitive response and activity in oxygen evolution reaction (OER). The oxide phase was found highly polydisperse, with overlapped fractions within rather narrow particle size range and clear tendency toward agglomeration. The smallest particles and their best resolved fractions were synthesized at the temperature just above the boiling point of the reaction medium, and quite below the chloride-to-oxide conversion temperature. Consequently, the highest OER activity was registered for RuO2/Ti anodes prepared from this sample, with strong indication of different oxide structure, with respect to the electrodes prepared from samples synthesized at higher temperatures. However, the coatings from high temperature samples have considerably higher capacitance than those synthesized at lower temperatures. These findings can be rather correlated to the MW temperature-dependent oxide structure than to different morphology analysed through PSD.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications",
pages = "709-695",
number = "6",
volume = "82",
doi = "10.2298/JSC161229040S"
}
Šekularac, G., Eraković, S., Mijin, D., Pavelkić, V., Stevanović, J.,& Panić, V.. (2017). Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 82(6), 695-709.
https://doi.org/10.2298/JSC161229040S
Šekularac G, Eraković S, Mijin D, Pavelkić V, Stevanović J, Panić V. Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications. in Journal of the Serbian Chemical Society. 2017;82(6):695-709.
doi:10.2298/JSC161229040S .
Šekularac, Gavrilo, Eraković, Sanja, Mijin, Dušan, Pavelkić, Vesna, Stevanović, Jasmina, Panić, Vladimir, "Low-temperature-synthesized RuO2 from acidic chloride solution for the electrode coating applications" in Journal of the Serbian Chemical Society, 82, no. 6 (2017):695-709,
https://doi.org/10.2298/JSC161229040S . .
1
1
2

Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports

Mihailović, Mladen; Trbojević-Ivić, Jovana; Banjanac, Katarina; Milosavić, Nenad; Veličković, Dušan; Simović, Milica; Bezbradica, Dejan

(Srpsko hemijsko društvo, Beograd, 2016)

TY  - JOUR
AU  - Mihailović, Mladen
AU  - Trbojević-Ivić, Jovana
AU  - Banjanac, Katarina
AU  - Milosavić, Nenad
AU  - Veličković, Dušan
AU  - Simović, Milica
AU  - Bezbradica, Dejan
PY  - 2016
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3422
AB  - In this study, two commercial supports (Eupergit (R) C and Purolite (R) A109) were chemically modified in order to introduce thiosulfonate groups, which could subsequently exclusively react with the cysteine residues on the surface of enzymes. Thereafter, the maltase from Saccharomyces cerevisiae was immobilized onto the obtained thiosulfonate-activated supports, resulting in high expressed enzymatic activities (around 50 %), while on the other hand, immobilization on unmodified supports yielded expressed activities less than 5 %. Moreover, protein loadings up to 12.3 mg g(-1) and immobilized activities up to 3580 IU g(-1) were achieved by employment of these thiosulfonate supports. Desorption experiments, performed on samples taken during immobilization, proved that immobilization on the thiosulfonate supports was the first step of fast adsorption onto the supports and the formation of covalent bonds between the thiosulfonate groups and the thiol groups of cysteine represented a second slower step. More importantly, although enzyme coupling occurred via covalent bond formation, the performed immobilization proved to be reversible, since it was shown that 95 % of the immobilized activity could be detached from the support after treatment with a thiol reagent (beta-mercaptoethanol). Thus, the support could be reused after enzyme inactivation.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports
EP  - 1382
IS  - 12
SP  - 1371
VL  - 81
DO  - 10.2298/JSC160730099M
ER  - 
@article{
author = "Mihailović, Mladen and Trbojević-Ivić, Jovana and Banjanac, Katarina and Milosavić, Nenad and Veličković, Dušan and Simović, Milica and Bezbradica, Dejan",
year = "2016",
abstract = "In this study, two commercial supports (Eupergit (R) C and Purolite (R) A109) were chemically modified in order to introduce thiosulfonate groups, which could subsequently exclusively react with the cysteine residues on the surface of enzymes. Thereafter, the maltase from Saccharomyces cerevisiae was immobilized onto the obtained thiosulfonate-activated supports, resulting in high expressed enzymatic activities (around 50 %), while on the other hand, immobilization on unmodified supports yielded expressed activities less than 5 %. Moreover, protein loadings up to 12.3 mg g(-1) and immobilized activities up to 3580 IU g(-1) were achieved by employment of these thiosulfonate supports. Desorption experiments, performed on samples taken during immobilization, proved that immobilization on the thiosulfonate supports was the first step of fast adsorption onto the supports and the formation of covalent bonds between the thiosulfonate groups and the thiol groups of cysteine represented a second slower step. More importantly, although enzyme coupling occurred via covalent bond formation, the performed immobilization proved to be reversible, since it was shown that 95 % of the immobilized activity could be detached from the support after treatment with a thiol reagent (beta-mercaptoethanol). Thus, the support could be reused after enzyme inactivation.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports",
pages = "1382-1371",
number = "12",
volume = "81",
doi = "10.2298/JSC160730099M"
}
Mihailović, M., Trbojević-Ivić, J., Banjanac, K., Milosavić, N., Veličković, D., Simović, M.,& Bezbradica, D.. (2016). Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 81(12), 1371-1382.
https://doi.org/10.2298/JSC160730099M
Mihailović M, Trbojević-Ivić J, Banjanac K, Milosavić N, Veličković D, Simović M, Bezbradica D. Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports. in Journal of the Serbian Chemical Society. 2016;81(12):1371-1382.
doi:10.2298/JSC160730099M .
Mihailović, Mladen, Trbojević-Ivić, Jovana, Banjanac, Katarina, Milosavić, Nenad, Veličković, Dušan, Simović, Milica, Bezbradica, Dejan, "Immobilization of maltase from Saccharomyces cerevisiae on thiosulfonate supports" in Journal of the Serbian Chemical Society, 81, no. 12 (2016):1371-1382,
https://doi.org/10.2298/JSC160730099M . .
2
4

Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu

Alil, Ana; Popović, Miljana; Radetić, Tamara; Zrilić, Milorad; Romhanji, Endre

(Elsevier Science Sa, Lausanne, 2015)

TY  - JOUR
AU  - Alil, Ana
AU  - Popović, Miljana
AU  - Radetić, Tamara
AU  - Zrilić, Milorad
AU  - Romhanji, Endre
PY  - 2015
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3012
AB  - The effect of different thermo-mechanical processing parameters on the baking response, and intergranular corrosion (IGC) resistance of an Al-4.6 wt% Mg-0.54 wt% Cu alloy was investigated. It has been shown that the high temperature anneal at 530 degrees C resulted in superior baking response of pre-deformed material after short annealing at 140-180 degrees C, compared to the annealing at 280 degrees C. Specimens predeformed 2% had positive baking response for both initial annealing temperatures, however, pre-deformation of 5% induced softening during the baking treatment of the specimens annealed at 280 degrees C. Prior to sensitization of 7 days at 100 degrees C, specimens at all stages of thermo-mechanical treatment were IGC resistant. After the sensitization specimens that underwent annealing at 530 degrees C remained IGC resistant, but specimens that underwent annealing at 280 degrees C became IGC susceptible. Better corrosion properties and baking response are related to the higher Cu content in solid solution after annealing at 530 degrees C than at 280 degrees C.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu
EP  - 84
SP  - 76
VL  - 625
DO  - 10.1016/j.jallcom.2014.11.063
ER  - 
@article{
author = "Alil, Ana and Popović, Miljana and Radetić, Tamara and Zrilić, Milorad and Romhanji, Endre",
year = "2015",
abstract = "The effect of different thermo-mechanical processing parameters on the baking response, and intergranular corrosion (IGC) resistance of an Al-4.6 wt% Mg-0.54 wt% Cu alloy was investigated. It has been shown that the high temperature anneal at 530 degrees C resulted in superior baking response of pre-deformed material after short annealing at 140-180 degrees C, compared to the annealing at 280 degrees C. Specimens predeformed 2% had positive baking response for both initial annealing temperatures, however, pre-deformation of 5% induced softening during the baking treatment of the specimens annealed at 280 degrees C. Prior to sensitization of 7 days at 100 degrees C, specimens at all stages of thermo-mechanical treatment were IGC resistant. After the sensitization specimens that underwent annealing at 530 degrees C remained IGC resistant, but specimens that underwent annealing at 280 degrees C became IGC susceptible. Better corrosion properties and baking response are related to the higher Cu content in solid solution after annealing at 530 degrees C than at 280 degrees C.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu",
pages = "84-76",
volume = "625",
doi = "10.1016/j.jallcom.2014.11.063"
}
Alil, A., Popović, M., Radetić, T., Zrilić, M.,& Romhanji, E.. (2015). Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 625, 76-84.
https://doi.org/10.1016/j.jallcom.2014.11.063
Alil A, Popović M, Radetić T, Zrilić M, Romhanji E. Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu. in Journal of Alloys and Compounds. 2015;625:76-84.
doi:10.1016/j.jallcom.2014.11.063 .
Alil, Ana, Popović, Miljana, Radetić, Tamara, Zrilić, Milorad, Romhanji, Endre, "Influence of annealing temperature on the baking response and corrosion properties of an Al-4.6 wt% Mg alloy with 0.54 wt% Cu" in Journal of Alloys and Compounds, 625 (2015):76-84,
https://doi.org/10.1016/j.jallcom.2014.11.063 . .
37
28
37

Prediction of excess molar volumes of selected binary mixtures from refractive index data

Vuksanović, Jelena; Majstorović, Divna; Ivaniš, Gorica; Živković, Emila; Radović, Ivona; Šerbanović, Slobodan P.; Kijevčanin, Mirjana

(Srpsko hemijsko društvo, Beograd, 2014)

TY  - JOUR
AU  - Vuksanović, Jelena
AU  - Majstorović, Divna
AU  - Ivaniš, Gorica
AU  - Živković, Emila
AU  - Radović, Ivona
AU  - Šerbanović, Slobodan P.
AU  - Kijevčanin, Mirjana
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2673
AB  - The excess molar volumes of twenty two binary mixtures containing various groups of organic compounds: alcohols (ethanol, 1-propanol, 1,2-propanediol, 1,3-propanediol and glycerol), ketone (acetone), ester (butyl lactate), lactam (N-methyl-2-pyrrolidone), polyethylene glycol (PEG 200 and PEG 400) and aromatics (benzene, toluene and pyridine) were predicted from the refractive index data, using three types of equations coupled with several mixing rules for refractive index calculations: the Lorentz-Lorenz, Dale-Gladstone, Eykman, Arago-Biot, Newton and Oster. The obtained results were analysed in terms of the applied equation and mixing rule and the nature of the interactions between the components of the mixtures.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Prediction of excess molar volumes of selected binary mixtures from refractive index data
EP  - 718
IS  - 6
SP  - 707
VL  - 79
DO  - 10.2298/JSC130813127V
ER  - 
@article{
author = "Vuksanović, Jelena and Majstorović, Divna and Ivaniš, Gorica and Živković, Emila and Radović, Ivona and Šerbanović, Slobodan P. and Kijevčanin, Mirjana",
year = "2014",
abstract = "The excess molar volumes of twenty two binary mixtures containing various groups of organic compounds: alcohols (ethanol, 1-propanol, 1,2-propanediol, 1,3-propanediol and glycerol), ketone (acetone), ester (butyl lactate), lactam (N-methyl-2-pyrrolidone), polyethylene glycol (PEG 200 and PEG 400) and aromatics (benzene, toluene and pyridine) were predicted from the refractive index data, using three types of equations coupled with several mixing rules for refractive index calculations: the Lorentz-Lorenz, Dale-Gladstone, Eykman, Arago-Biot, Newton and Oster. The obtained results were analysed in terms of the applied equation and mixing rule and the nature of the interactions between the components of the mixtures.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Prediction of excess molar volumes of selected binary mixtures from refractive index data",
pages = "718-707",
number = "6",
volume = "79",
doi = "10.2298/JSC130813127V"
}
Vuksanović, J., Majstorović, D., Ivaniš, G., Živković, E., Radović, I., Šerbanović, S. P.,& Kijevčanin, M.. (2014). Prediction of excess molar volumes of selected binary mixtures from refractive index data. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 79(6), 707-718.
https://doi.org/10.2298/JSC130813127V
Vuksanović J, Majstorović D, Ivaniš G, Živković E, Radović I, Šerbanović SP, Kijevčanin M. Prediction of excess molar volumes of selected binary mixtures from refractive index data. in Journal of the Serbian Chemical Society. 2014;79(6):707-718.
doi:10.2298/JSC130813127V .
Vuksanović, Jelena, Majstorović, Divna, Ivaniš, Gorica, Živković, Emila, Radović, Ivona, Šerbanović, Slobodan P., Kijevčanin, Mirjana, "Prediction of excess molar volumes of selected binary mixtures from refractive index data" in Journal of the Serbian Chemical Society, 79, no. 6 (2014):707-718,
https://doi.org/10.2298/JSC130813127V . .
7
9

Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production

Stefanović, Andrea; Jovanović, Jelena; Grbavčić, Sanja; Šekuljica, Nataša; Manojlović, Verica; Bugarski, Branko; Knežević-Jugović, Zorica

(Springer, New York, 2014)

TY  - JOUR
AU  - Stefanović, Andrea
AU  - Jovanović, Jelena
AU  - Grbavčić, Sanja
AU  - Šekuljica, Nataša
AU  - Manojlović, Verica
AU  - Bugarski, Branko
AU  - Knežević-Jugović, Zorica
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2701
AB  - The objective of this study was to investigate the effects of different ultrasound pretreatment on enzymatic hydrolysis of egg white proteins (EWPs) by Alcalase as well as evaluating some functional and antioxidant properties of hydrolysates obtained by various proteases treatment and ultrasound technology. The effects of chosen ultrasound pretreatment parameters including frequency of ultrasonic waves (35 and 40 kHz), temperature (25 and 55 A degrees C), time of pretreatment (15-60 min) and pH of egg white solution (7.00-10.00) were examined. It appeared that controlled ultrasound treatment can improved the hydrolysis process compared with untreated samples, but optimization of the power and length of sonication was important. The optimal ultrasound pretreatment at calorimetric power of 21.3 W and frequency of 40 kHz for 15 min at 25 A degrees C and with naturally basic egg white (pH 9.25) resulted in increased initial rate and equilibrium degree of Alcalase hydrolysis by about 139.8 and 13.86 % compared with the control, respectively. EWP hydrolysates with a parts per thousand 27.0 % degree of hydrolysis obtained with heat pretreatment and ultrasound pretreatments under optimal conditions were further separated by sequential ultrafiltration into 4 hydrolysate fractions ( lt  1, 1-10, 10-30 and  gt  30 kDa) which were investigated for protein content, peptide yield and antioxidant activity. The hydrolysis after heat pretreatment generated more peptides  lt  1 kDa (19.04 +/- A 1.02 %) than ultrasound pretreatment did (11.90 +/- A 0.53 %), whereas the proportion of peptides  lt  10 kDa were higher in the second case (28.80 +/- A 0.07 vs. 20.46 +/- A 0.39 %). The fraction obtained by the ultrasound pretreatment containing peptides with a molecular weight between 1 and 10 kDa demonstrated the strongest ABTS radical scavenging efficacy among the fractions (97.54 +/- A 0.30) with IC50 value of 4.31 mg/mL. Compared with single-enzyme processes, the two-stage enzymatic processes did not significantly improve both antioxidant and functional hydrolysates' properties.
PB  - Springer, New York
T2  - European Food Research and Technology
T1  - Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production
EP  - 993
IS  - 6
SP  - 979
VL  - 239
DO  - 10.1007/s00217-014-2295-8
ER  - 
@article{
author = "Stefanović, Andrea and Jovanović, Jelena and Grbavčić, Sanja and Šekuljica, Nataša and Manojlović, Verica and Bugarski, Branko and Knežević-Jugović, Zorica",
year = "2014",
abstract = "The objective of this study was to investigate the effects of different ultrasound pretreatment on enzymatic hydrolysis of egg white proteins (EWPs) by Alcalase as well as evaluating some functional and antioxidant properties of hydrolysates obtained by various proteases treatment and ultrasound technology. The effects of chosen ultrasound pretreatment parameters including frequency of ultrasonic waves (35 and 40 kHz), temperature (25 and 55 A degrees C), time of pretreatment (15-60 min) and pH of egg white solution (7.00-10.00) were examined. It appeared that controlled ultrasound treatment can improved the hydrolysis process compared with untreated samples, but optimization of the power and length of sonication was important. The optimal ultrasound pretreatment at calorimetric power of 21.3 W and frequency of 40 kHz for 15 min at 25 A degrees C and with naturally basic egg white (pH 9.25) resulted in increased initial rate and equilibrium degree of Alcalase hydrolysis by about 139.8 and 13.86 % compared with the control, respectively. EWP hydrolysates with a parts per thousand 27.0 % degree of hydrolysis obtained with heat pretreatment and ultrasound pretreatments under optimal conditions were further separated by sequential ultrafiltration into 4 hydrolysate fractions ( lt  1, 1-10, 10-30 and  gt  30 kDa) which were investigated for protein content, peptide yield and antioxidant activity. The hydrolysis after heat pretreatment generated more peptides  lt  1 kDa (19.04 +/- A 1.02 %) than ultrasound pretreatment did (11.90 +/- A 0.53 %), whereas the proportion of peptides  lt  10 kDa were higher in the second case (28.80 +/- A 0.07 vs. 20.46 +/- A 0.39 %). The fraction obtained by the ultrasound pretreatment containing peptides with a molecular weight between 1 and 10 kDa demonstrated the strongest ABTS radical scavenging efficacy among the fractions (97.54 +/- A 0.30) with IC50 value of 4.31 mg/mL. Compared with single-enzyme processes, the two-stage enzymatic processes did not significantly improve both antioxidant and functional hydrolysates' properties.",
publisher = "Springer, New York",
journal = "European Food Research and Technology",
title = "Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production",
pages = "993-979",
number = "6",
volume = "239",
doi = "10.1007/s00217-014-2295-8"
}
Stefanović, A., Jovanović, J., Grbavčić, S., Šekuljica, N., Manojlović, V., Bugarski, B.,& Knežević-Jugović, Z.. (2014). Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production. in European Food Research and Technology
Springer, New York., 239(6), 979-993.
https://doi.org/10.1007/s00217-014-2295-8
Stefanović A, Jovanović J, Grbavčić S, Šekuljica N, Manojlović V, Bugarski B, Knežević-Jugović Z. Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production. in European Food Research and Technology. 2014;239(6):979-993.
doi:10.1007/s00217-014-2295-8 .
Stefanović, Andrea, Jovanović, Jelena, Grbavčić, Sanja, Šekuljica, Nataša, Manojlović, Verica, Bugarski, Branko, Knežević-Jugović, Zorica, "Impact of ultrasound on egg white proteins as a pretreatment for functional hydrolysates production" in European Food Research and Technology, 239, no. 6 (2014):979-993,
https://doi.org/10.1007/s00217-014-2295-8 . .
65
44
66

Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill

Andrić, Ljubiša; Terzić, Anja; Aćimović-Pavlović, Zagorka; Pavlović, Ljubica; Petrov, Milan

(Oficyna Wydawnicza Politechniki Wroclawskiej, Wroclaw, 2014)

TY  - JOUR
AU  - Andrić, Ljubiša
AU  - Terzić, Anja
AU  - Aćimović-Pavlović, Zagorka
AU  - Pavlović, Ljubica
AU  - Petrov, Milan
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5764
AB  - The efficiency of talc mechanical activation by means of two different mechano-activators centrifugal and attrition mill is investigated in this study and the comparative analysis of the characteristics of obtained talc powders is presented. A new approach for obtaining high-grade talc concentrate with low Fe2O3 content is achieved through effect of mechanical activation of talc accompanied by hydrometallurgical process. The applied mechanical activation process conditions of ultra-centrifugal mill were defined by number of rotor revolutions, sieve mesh size, and current intensity. These operating parameters of the ultra-centrifugal mill were variable. Ultra fine grinding of talc in attrition mill (attritor) was carried out in various time intervals - from 5 to 15 min. The following technological parameters of the mechanical activation were monitored: time of mechanical activation, circumferential rotor speed, capacity of ultra-centrifugal mill, and specific energy consumption. The investigation was based on a kinetic model. The structure and behavior of activated samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis, and differential thermal analysis (DTA).
PB  - Oficyna Wydawnicza Politechniki Wroclawskiej, Wroclaw
T2  - Physicochemical Problems of Mineral Processing
T1  - Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill
EP  - 452
IS  - 2
SP  - 433
VL  - 50
DO  - 10.5277/ppmp140202
ER  - 
@article{
author = "Andrić, Ljubiša and Terzić, Anja and Aćimović-Pavlović, Zagorka and Pavlović, Ljubica and Petrov, Milan",
year = "2014",
abstract = "The efficiency of talc mechanical activation by means of two different mechano-activators centrifugal and attrition mill is investigated in this study and the comparative analysis of the characteristics of obtained talc powders is presented. A new approach for obtaining high-grade talc concentrate with low Fe2O3 content is achieved through effect of mechanical activation of talc accompanied by hydrometallurgical process. The applied mechanical activation process conditions of ultra-centrifugal mill were defined by number of rotor revolutions, sieve mesh size, and current intensity. These operating parameters of the ultra-centrifugal mill were variable. Ultra fine grinding of talc in attrition mill (attritor) was carried out in various time intervals - from 5 to 15 min. The following technological parameters of the mechanical activation were monitored: time of mechanical activation, circumferential rotor speed, capacity of ultra-centrifugal mill, and specific energy consumption. The investigation was based on a kinetic model. The structure and behavior of activated samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD) analysis, and differential thermal analysis (DTA).",
publisher = "Oficyna Wydawnicza Politechniki Wroclawskiej, Wroclaw",
journal = "Physicochemical Problems of Mineral Processing",
title = "Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill",
pages = "452-433",
number = "2",
volume = "50",
doi = "10.5277/ppmp140202"
}
Andrić, L., Terzić, A., Aćimović-Pavlović, Z., Pavlović, L.,& Petrov, M.. (2014). Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill. in Physicochemical Problems of Mineral Processing
Oficyna Wydawnicza Politechniki Wroclawskiej, Wroclaw., 50(2), 433-452.
https://doi.org/10.5277/ppmp140202
Andrić L, Terzić A, Aćimović-Pavlović Z, Pavlović L, Petrov M. Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill. in Physicochemical Problems of Mineral Processing. 2014;50(2):433-452.
doi:10.5277/ppmp140202 .
Andrić, Ljubiša, Terzić, Anja, Aćimović-Pavlović, Zagorka, Pavlović, Ljubica, Petrov, Milan, "Comparative analysis of process parameters of talc mechanical activation in centrifugal and attrition mill" in Physicochemical Problems of Mineral Processing, 50, no. 2 (2014):433-452,
https://doi.org/10.5277/ppmp140202 . .
9
12

Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran

Knežević-Stevanović, Anđela; Smiljanić, Jelena D.; Šerbanović, Slobodan P.; Radović, Ivona; Kijevčanin, Mirjana

(Srpsko hemijsko društvo, Beograd, 2014)

TY  - JOUR
AU  - Knežević-Stevanović, Anđela
AU  - Smiljanić, Jelena D.
AU  - Šerbanović, Slobodan P.
AU  - Radović, Ivona
AU  - Kijevčanin, Mirjana
PY  - 2014
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2779
AB  - Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate (or dimethyl adipate) + tetrahydrofuran have been measured at eight temperatures (288.15 to 323.15 K) and atmospheric pressure. All measurements were performed using an Anton Paar DMA 5000 digital vibrating-tube densimeter, Anton Paar RXA 156 refractometer and Anton Paar SVM 3000/G2 digital Stabinger viscometer, respectively. From the experimental densities, refractive indices and viscosities, the excess molar volumes, V-E, deviations of refractive indices, Delta n(D), and viscosity deviations, Delta(eta), were calculated.
PB  - Srpsko hemijsko društvo, Beograd
T2  - Journal of the Serbian Chemical Society
T1  - Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran
EP  - 87
IS  - 1
SP  - 77
VL  - 79
DO  - 10.2298/JSC130407045K
ER  - 
@article{
author = "Knežević-Stevanović, Anđela and Smiljanić, Jelena D. and Šerbanović, Slobodan P. and Radović, Ivona and Kijevčanin, Mirjana",
year = "2014",
abstract = "Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate (or dimethyl adipate) + tetrahydrofuran have been measured at eight temperatures (288.15 to 323.15 K) and atmospheric pressure. All measurements were performed using an Anton Paar DMA 5000 digital vibrating-tube densimeter, Anton Paar RXA 156 refractometer and Anton Paar SVM 3000/G2 digital Stabinger viscometer, respectively. From the experimental densities, refractive indices and viscosities, the excess molar volumes, V-E, deviations of refractive indices, Delta n(D), and viscosity deviations, Delta(eta), were calculated.",
publisher = "Srpsko hemijsko društvo, Beograd",
journal = "Journal of the Serbian Chemical Society",
title = "Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran",
pages = "87-77",
number = "1",
volume = "79",
doi = "10.2298/JSC130407045K"
}
Knežević-Stevanović, A., Smiljanić, J. D., Šerbanović, S. P., Radović, I.,& Kijevčanin, M.. (2014). Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran. in Journal of the Serbian Chemical Society
Srpsko hemijsko društvo, Beograd., 79(1), 77-87.
https://doi.org/10.2298/JSC130407045K
Knežević-Stevanović A, Smiljanić JD, Šerbanović SP, Radović I, Kijevčanin M. Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran. in Journal of the Serbian Chemical Society. 2014;79(1):77-87.
doi:10.2298/JSC130407045K .
Knežević-Stevanović, Anđela, Smiljanić, Jelena D., Šerbanović, Slobodan P., Radović, Ivona, Kijevčanin, Mirjana, "Densities, refractive indices and viscosities of the binary mixtures of dimethyl phthalate or dimethyl adipate with tetrahydrofuran" in Journal of the Serbian Chemical Society, 79, no. 1 (2014):77-87,
https://doi.org/10.2298/JSC130407045K . .
11
10
13