Characterization and Antimicrobial Activity of Chitosan/ZnO/Ag System

被引：0

作者：

Simonescu, Claudia Maria ^{[1
]}

Szekely, Alexandra Corina ^{[1
]}

Perniu, Dana ^{[2
]}

Capatina, Camelia ^{[3
]}

机构：

[1] Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, Dept Analyt Chem & Environm Engn, Bucharest 011061, Romania

[2] Transilvania Univ Brasov, Prod Design & Environm Res Dept, Brasov 500036, Romania

[3] Constantin Brancusi Univ Targu Jiu, Targu Jiu 210152, Gorj, Romania

来源：

REVISTA DE CHIMIE | 2014年 / 65卷 / 08期

关键词：

chitosan; ZnO; antimicrobial activity; chitosan/Ag/ZnO; ANTIBACTERIAL ACTIVITY; COMPLEXES; NANOSTRUCTURES; NANOPARTICLES; ACID;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The aim of this research is the preparation of chitosan/Ag/ZnO (CS/Ag/ZnO) system via chemical precipitation method followed by thermal treatment at 125 degrees C for 8 hours. The CS/Ag/ZnO system obtained was characterized by UV-VIS absorption spectroscopy (UV-Vis), X-ray diffraction (XRD), atomic force microscopy (AFM) and photocatalytic characterization. The optimum composition of chitosan/Ag/ZnO system was determined from the photocalytic degradation of methyl orange. The morphological characterization of chitosan/Ag/ZnO system revealed that the surface of the powder synthesized has vermiculite morphology. The system had excellent antimicrobial activities against Escherichia coli and Salmonella. The antimicrobial activities of system CS/Ag/ZnO were higher than those of chitosan. Thus, it can be concluded that ZnO, and Ag improves the antimicrobial activities of chitosan, and CS/Ag/ZnO systems that have been synthesized have potential applications as antibacterial material for food, pharmaceutical and textile industries.

引用

页码：871 / 875

页数：5

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