Nanocomposites based on polylactide and silver nanoparticles and their antimicrobial and antiviral applications

被引：26

作者：

Demchenko, Valeriy ^{[1
,2
,6
]}

Kobylinskyi, Serhii ^{[1
]}

Iurzhenko, Maksym ^{[1
,2
,6
]}

Riabov, Sergii ^{[1
]}

Vashchuk, Alina ^{[2
]}

Rybalchenko, Nataliya ^{[3
]}

Zahorodnia, Svetlana ^{[3
]}

Naumenko, Krystyna ^{[3
]}

Demchenko, Olena ^{[4
]}

Adamus, Grazyna ^{[5
,6
]}

Kowalczuk, Marek ^{[5
,6
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Macromol Chem, Kiev, Ukraine

[2] Natl Acad Sci Ukraine, EO Paton Elect Welding Inst, Kiev, Ukraine

[3] Natl Acad Sci Ukraine, Zabolotny Inst Microbiol & Virol, Kiev, Ukraine

[4] Natl Acad Med Sci Ukraine, Natl Res Ctr Radiat Med, Kiev, Ukraine

[5] Polish Acad Sci, Ctr Polymer & Carbon Mat, Zabrze, Poland

[6] Int Polish Ukrainian Res Lab ADPOLCOM, Zabrze, Poland

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2022年 / 170卷

基金：

新加坡国家研究基金会;

关键词：

Silver-containing nanocomposite; Structure; Morphology; Thermophysical properties; Antimicrobial and antiviral activity; HYBRID MATERIALS; REDUCING AGENTS; ACID);

D O I：

10.1016/j.reactfunctpolym.2021.105096

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Novel antimicrobial and antiviral silver-containing nanocomposites (PLA Ag PEI) based on polylactide (PLA) have been created by the thermochemical reduction of Ag+ ions in the polymer films. Structure-properties relationships of nanocomposites were investigated using FTIR, WAXS, TEM, DSC, TGA. It was found that thermochemical reduction of Ag(+ )ions in presence of polyethyleneimine as a reducing agent and stabilizer occurred above 100 degrees C for 5 min. The optimal parameters of the Ag(+ )ions reduction process in the polymer films were determined, i.e. 160 degrees C for 5 min. The average size of Ag nanoparticles in the PLA-Ag-PEI was defined to be 6.7 nm. The nanocomposites have demonstrated strong antimicrobial activity against S. aureus and E. coli strains, as well as antiviral activity against herpes simplex virus type 1, influenza A virus and adenovirus serotype 2.

引用

页数：10

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