TY  - JOUR
AU  - Krkobabić, Ana
AU  - Radetić, Maja
AU  - Tseng, Hsiang-Han
AU  - Nunney, Tim S.
AU  - Tadić, Vanja
AU  - Ilić-Tomić, Tatjana
AU  - Marković, Darka
PY  - 2023
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/5286
AB  - The demand for medical textiles in various forms with strong antimicrobial activity drastically increased during the COVID19 pandemic. In an attempt to tackle this issue and to develop antimicrobial textiles in more environmentally benign manner, a viscose fabric after coating with biopolymer chitosan has been impregnated with Ag- and Cu-based nanoparticles. Chitosan was applied in the presence and absence of cross-linker 1,2,3,4-butanetetracarboxylic acid (BTCA). In situ green synthesis of nanoparticles was performed using a Punica granatum (pomegranate) peel extract as a reducing and stabilizing agent. Formation of nanoparticles on the fiber surface was confirmed by FESEM. Elemental analysis by XPS showed the synthesized nanoparticles exist as AgCl and a mixture of Cu/CuO/Cu2O in the modified samples. Moreover, these nanoparticles appeared to be present not only on the sample surface but also buried within the fibers, as indicated by XPS mapping and depth profiling measurements. All impregnated fabrics exhibited excellent antifungal activity providing the maximum reduction of yeast Candida albicans colonies. Antibacterial activity was stronger against Gram-negative bacteria Escherichia coli than Gram-positive bacteria Staphylococcus aureus, and it was highly influenced by metal content. The fabrics impregnated with AgCl nanoparticles showed lower cytotoxicity towards human keratinocyte cells.
PB  - Elsevier B.V.
T2  - Applied Surface Science
T1  - Green in situ synthesis of Ag- and Cu-based nanoparticles on viscose fabric using a Punica granatum peel extract
SP  - 155612
VL  - 611
DO  - 10.1016/j.apsusc.2022.155612
ER  - 

@article{
author = "Krkobabić, Ana and Radetić, Maja and Tseng, Hsiang-Han and Nunney, Tim S. and Tadić, Vanja and Ilić-Tomić, Tatjana and Marković, Darka",
year = "2023",
abstract = "The demand for medical textiles in various forms with strong antimicrobial activity drastically increased during the COVID19 pandemic. In an attempt to tackle this issue and to develop antimicrobial textiles in more environmentally benign manner, a viscose fabric after coating with biopolymer chitosan has been impregnated with Ag- and Cu-based nanoparticles. Chitosan was applied in the presence and absence of cross-linker 1,2,3,4-butanetetracarboxylic acid (BTCA). In situ green synthesis of nanoparticles was performed using a Punica granatum (pomegranate) peel extract as a reducing and stabilizing agent. Formation of nanoparticles on the fiber surface was confirmed by FESEM. Elemental analysis by XPS showed the synthesized nanoparticles exist as AgCl and a mixture of Cu/CuO/Cu2O in the modified samples. Moreover, these nanoparticles appeared to be present not only on the sample surface but also buried within the fibers, as indicated by XPS mapping and depth profiling measurements. All impregnated fabrics exhibited excellent antifungal activity providing the maximum reduction of yeast Candida albicans colonies. Antibacterial activity was stronger against Gram-negative bacteria Escherichia coli than Gram-positive bacteria Staphylococcus aureus, and it was highly influenced by metal content. The fabrics impregnated with AgCl nanoparticles showed lower cytotoxicity towards human keratinocyte cells.",
publisher = "Elsevier B.V.",
journal = "Applied Surface Science",
title = "Green in situ synthesis of Ag- and Cu-based nanoparticles on viscose fabric using a Punica granatum peel extract",
pages = "155612",
volume = "611",
doi = "10.1016/j.apsusc.2022.155612"
}

Krkobabić, A., Radetić, M., Tseng, H., Nunney, T. S., Tadić, V., Ilić-Tomić, T.,& Marković, D.. (2023). Green in situ synthesis of Ag- and Cu-based nanoparticles on viscose fabric using a Punica granatum peel extract. in Applied Surface Science
Elsevier B.V.., 611, 155612.
https://doi.org/10.1016/j.apsusc.2022.155612

Krkobabić A, Radetić M, Tseng H, Nunney TS, Tadić V, Ilić-Tomić T, Marković D. Green in situ synthesis of Ag- and Cu-based nanoparticles on viscose fabric using a Punica granatum peel extract. in Applied Surface Science. 2023;611:155612.
doi:10.1016/j.apsusc.2022.155612 .

Krkobabić, Ana, Radetić, Maja, Tseng, Hsiang-Han, Nunney, Tim S., Tadić, Vanja, Ilić-Tomić, Tatjana, Marković, Darka, "Green in situ synthesis of Ag- and Cu-based nanoparticles on viscose fabric using a Punica granatum peel extract" in Applied Surface Science, 611 (2023):155612,
https://doi.org/10.1016/j.apsusc.2022.155612 . .

TY  - JOUR
AU  - Marković, Darka
AU  - Tseng, Hsiang-Han
AU  - Nunney, Tim
AU  - Radoicić, Marija
AU  - Ilić-Tomić, Tatjana
AU  - Radetić, Maja
PY  - 2020
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4391
AB  - The objective of this study was to develop novel antimicrobial nanocomposite material based on polypropylene (PP) non-woven fabric, biopolymer alginate and copper oxides nanoparticles. In order to introduce polar groups onto the surface of PP fibers necessary for binding of alginate, non-woven fabric was activated by corona discharge. Carboxylate groups of alginate were further utilized for binding of Cu2+-ions which were reduced with sodium borohydride as a conventional and ascorbic acid as a green reducing agent. Characteristic morphological and chemical changes induced by corona activation and alginate impregnation were confirmed by FTIR, XPS and FESEM analyses. AAS measurements showed that the amounts of generated nanoparticles depend on applied reducing agent and the concentration of precursor salt. XPS analysis suggested that nanoparticles were mixture of copper (I) and (II) oxides. XPS depth profiling gave an exceptional insight into chemical changes within the thin layer on the fiber surface and formation of certain interfaces induced by each treatment. All fabricated nanocomposites provided excellent antimicrobial activity against Gram-negative bacteria E. coli, Gram-positive bacteria S. aureus and yeast C. albicans. The cytotoxicity assay indicated that maximum amount of Cu2+-ions released from synthetized nanocomposite within 24 h was not cytotoxic to human keratinocyte (HaCaT) cells.
PB  - Elsevier, Amsterdam
T2  - Applied Surface Science
T1  - Novel antimicrobial nanocomposite based on polypropylene non-woven fabric, biopolymer alginate and copper oxides nanoparticles
VL  - 527
DO  - 10.1016/j.apsusc.2020.146829
ER  - 

@article{
author = "Marković, Darka and Tseng, Hsiang-Han and Nunney, Tim and Radoicić, Marija and Ilić-Tomić, Tatjana and Radetić, Maja",
year = "2020",
abstract = "The objective of this study was to develop novel antimicrobial nanocomposite material based on polypropylene (PP) non-woven fabric, biopolymer alginate and copper oxides nanoparticles. In order to introduce polar groups onto the surface of PP fibers necessary for binding of alginate, non-woven fabric was activated by corona discharge. Carboxylate groups of alginate were further utilized for binding of Cu2+-ions which were reduced with sodium borohydride as a conventional and ascorbic acid as a green reducing agent. Characteristic morphological and chemical changes induced by corona activation and alginate impregnation were confirmed by FTIR, XPS and FESEM analyses. AAS measurements showed that the amounts of generated nanoparticles depend on applied reducing agent and the concentration of precursor salt. XPS analysis suggested that nanoparticles were mixture of copper (I) and (II) oxides. XPS depth profiling gave an exceptional insight into chemical changes within the thin layer on the fiber surface and formation of certain interfaces induced by each treatment. All fabricated nanocomposites provided excellent antimicrobial activity against Gram-negative bacteria E. coli, Gram-positive bacteria S. aureus and yeast C. albicans. The cytotoxicity assay indicated that maximum amount of Cu2+-ions released from synthetized nanocomposite within 24 h was not cytotoxic to human keratinocyte (HaCaT) cells.",
publisher = "Elsevier, Amsterdam",
journal = "Applied Surface Science",
title = "Novel antimicrobial nanocomposite based on polypropylene non-woven fabric, biopolymer alginate and copper oxides nanoparticles",
volume = "527",
doi = "10.1016/j.apsusc.2020.146829"
}

Marković, D., Tseng, H., Nunney, T., Radoicić, M., Ilić-Tomić, T.,& Radetić, M.. (2020). Novel antimicrobial nanocomposite based on polypropylene non-woven fabric, biopolymer alginate and copper oxides nanoparticles. in Applied Surface Science
Elsevier, Amsterdam., 527.
https://doi.org/10.1016/j.apsusc.2020.146829

Marković D, Tseng H, Nunney T, Radoicić M, Ilić-Tomić T, Radetić M. Novel antimicrobial nanocomposite based on polypropylene non-woven fabric, biopolymer alginate and copper oxides nanoparticles. in Applied Surface Science. 2020;527.
doi:10.1016/j.apsusc.2020.146829 .

Marković, Darka, Tseng, Hsiang-Han, Nunney, Tim, Radoicić, Marija, Ilić-Tomić, Tatjana, Radetić, Maja, "Novel antimicrobial nanocomposite based on polypropylene non-woven fabric, biopolymer alginate and copper oxides nanoparticles" in Applied Surface Science, 527 (2020),
https://doi.org/10.1016/j.apsusc.2020.146829 . .