Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics
Само за регистроване кориснике
2019
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Novel multifunctional composite poly(lactic acid) (PLA) films with alginate microbeads containing silver nanoparticles (AgNPs) were developed for potential antimicrobial food packaging applications. AgNPs, 10-20 nm in size, were synthesized in a Na-alginate solution by a hydrothermal method yielding a sterile, pH neutral colloid solution of low viscosity that was electrostatically extruded to produce Ag/alginate microbeads (190 mu m in size) with retained AgNPs. Dried microbeads were uniformly dispersed in PLA films with retained AgNPs as confirmed by UV-Vis spectroscopy and scanning electron microscopy. The films were characterized regarding thermal and mechanical properties as well as silver release in different food simulants. Results show that PLA matrix served as a diffusion barrier so that the released silver concentration in water after 10 days was within the prescribed limit of 0.05 mg kg(-1) while the films induced inhibitory effects against Staphylococcus aureus in the agar d...iffusion test.
Кључне речи:
Poly(lactic acid) / Silver nanoparticles / Alginate / Silver releaseИзвор:
Materials Science & Engineering C-Materials for Biological Applications, 2019, 98, 1159-1168Издавач:
- Elsevier Science Bv, Amsterdam
Финансирање / пројекти:
- Синтеза, развој технологија добијања и примена наноструктурних мултифункционалних материјала дефинисаних својстава (RS-MESTD-Integrated and Interdisciplinary Research (IIR or III)-45019)
DOI: 10.1016/j.msec.2019.01.074
ISSN: 0928-4931
PubMed: 30812999
WoS: 000461526800113
Scopus: 2-s2.0-85060192729
Колекције
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Kostić, Danijela AU - Vukašinović-Sekulić, Maja AU - Armentano, Ilaria AU - Torres, Luigi AU - Obradović, Bojana PY - 2019 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4161 AB - Novel multifunctional composite poly(lactic acid) (PLA) films with alginate microbeads containing silver nanoparticles (AgNPs) were developed for potential antimicrobial food packaging applications. AgNPs, 10-20 nm in size, were synthesized in a Na-alginate solution by a hydrothermal method yielding a sterile, pH neutral colloid solution of low viscosity that was electrostatically extruded to produce Ag/alginate microbeads (190 mu m in size) with retained AgNPs. Dried microbeads were uniformly dispersed in PLA films with retained AgNPs as confirmed by UV-Vis spectroscopy and scanning electron microscopy. The films were characterized regarding thermal and mechanical properties as well as silver release in different food simulants. Results show that PLA matrix served as a diffusion barrier so that the released silver concentration in water after 10 days was within the prescribed limit of 0.05 mg kg(-1) while the films induced inhibitory effects against Staphylococcus aureus in the agar diffusion test. PB - Elsevier Science Bv, Amsterdam T2 - Materials Science & Engineering C-Materials for Biological Applications T1 - Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics EP - 1168 SP - 1159 VL - 98 DO - 10.1016/j.msec.2019.01.074 ER -
@article{ author = "Kostić, Danijela and Vukašinović-Sekulić, Maja and Armentano, Ilaria and Torres, Luigi and Obradović, Bojana", year = "2019", abstract = "Novel multifunctional composite poly(lactic acid) (PLA) films with alginate microbeads containing silver nanoparticles (AgNPs) were developed for potential antimicrobial food packaging applications. AgNPs, 10-20 nm in size, were synthesized in a Na-alginate solution by a hydrothermal method yielding a sterile, pH neutral colloid solution of low viscosity that was electrostatically extruded to produce Ag/alginate microbeads (190 mu m in size) with retained AgNPs. Dried microbeads were uniformly dispersed in PLA films with retained AgNPs as confirmed by UV-Vis spectroscopy and scanning electron microscopy. The films were characterized regarding thermal and mechanical properties as well as silver release in different food simulants. Results show that PLA matrix served as a diffusion barrier so that the released silver concentration in water after 10 days was within the prescribed limit of 0.05 mg kg(-1) while the films induced inhibitory effects against Staphylococcus aureus in the agar diffusion test.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Materials Science & Engineering C-Materials for Biological Applications", title = "Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics", pages = "1168-1159", volume = "98", doi = "10.1016/j.msec.2019.01.074" }
Kostić, D., Vukašinović-Sekulić, M., Armentano, I., Torres, L.,& Obradović, B.. (2019). Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics. in Materials Science & Engineering C-Materials for Biological Applications Elsevier Science Bv, Amsterdam., 98, 1159-1168. https://doi.org/10.1016/j.msec.2019.01.074
Kostić D, Vukašinović-Sekulić M, Armentano I, Torres L, Obradović B. Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics. in Materials Science & Engineering C-Materials for Biological Applications. 2019;98:1159-1168. doi:10.1016/j.msec.2019.01.074 .
Kostić, Danijela, Vukašinović-Sekulić, Maja, Armentano, Ilaria, Torres, Luigi, Obradović, Bojana, "Multifunctional ternary composite films based on PLA and Ag/alginate microbeads: Physical characterization and silver release kinetics" in Materials Science & Engineering C-Materials for Biological Applications, 98 (2019):1159-1168, https://doi.org/10.1016/j.msec.2019.01.074 . .