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
收藏
页码：871 / 875
页数：5
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