Antibacterial activity of chitosan coated Ag-loaded nano-SiO2 composites

被引：45

作者：

Niu Mei ^{[2
,3
]}

Liu Xuguang ^{[1
,2
]}

Dai Jinming ^{[2
,3
]}

Jia Husheng ^{[2
,4
]}

Wei Liqiao ^{[2
,4
]}

Xu Bingshe ^{[2
,4
]}

机构：

[1] Taiyuan Univ Technol, Coll Chem & Chem Engn, Taiyuan 030024, Peoples R China

[2] Taiyuan Univ Technol, Minist Educ, Key Lab Interface Sci & Engn Adv Mat, Taiyuan 030024, Peoples R China

[3] Taiyuan Univ Technol, Coll Light Text Engn & Art, Yuci 030600, Peoples R China

[4] Taiyuan Univ Technol, Coll Mat Sci & Engn, Taiyuan 030024, Peoples R China

来源：

CARBOHYDRATE POLYMERS | 2009年 / 78卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Chitosan; Ag-loading nano-SiO2; Structure; Antibacterial activity; SILICA-GEL; SILVER; IMMOBILIZATION; CHITOOLIGOSACCHARIDE; NANOPARTICLES; ADSORPTION; ZEOLITE;

D O I：

10.1016/j.carbpol.2009.04.029

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A crosslinked chitosan (CCTS) coated Ag-loading nano-SiO2 composite (CCTS-SLS) was prepared. The structures of CCTS-SLS were characterized by field emission scanning electron microscopy and X-ray photoelectron spectroscopy. The antibacterial properties of CCTS-SLS were measured as the minimal inhibitory concentration and the rate of bacterial growth. The experimental results indicate that the antibacterial activity of CCTS-SLS was affected by the mass ratio of SLS to chitosan, acetic acid concentration and crosslinking time. Moreover, CCTS-SLS exhibited high antibacterial activity against Escherichia coli and Staphylococcus aureus as a result of the coordinated action of CCTS and SLS. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：54 / 59

页数：6

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