Chemical assembly of silver nanoparticles on stainless steel for antimicrobial applications

被引：63

作者：

Chen, Limei ^{[1
]}

Zheng, Lin ^{[2
]}

Lv, Yaohui ^{[1
]}

Liu, Hong ^{[1
]}

Wang, Guancong ^{[1
]}

Ren, Na ^{[1
]}

Liu, Duo ^{[1
]}

Wang, Jiyang ^{[1
]}

Boughton, Robert I. ^{[3
]}

机构：

[1] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China

[2] Shandong Univ, Sch Med, Jinan 250012, Peoples R China

[3] Bowling Green State Univ, Dept Phys & Astron, Bowling Green, OH 43403 USA

来源：

SURFACE & COATINGS TECHNOLOGY | 2010年 / 204卷 / 23期

关键词：

Silver nanoparticles; Stainless steel; Chemical assembly; Antimicrobial properties; 3-AMINOPROPYLTRIETHOXYSILANE; WATER; IONS;

D O I：

10.1016/j.surfcoat.2010.05.003

中图分类号：

TB3 [工程材料学];

学科分类号：

082905 [生物质能源与材料];

摘要：

Microbial adhesion on stainless steel is the most common contamination in many applications. In this work, we present a simple method to fabricate stainless steel-based antimicrobial composites by fixing silver nanoparticles onto the surface. Silver nanoparticles were covalently assembled on the surface of stainless steel by using 3-aminopropyltriethoxysilane (APTES) as the coupling agent. After 24 h immersion the release of silver ions amounts to a total of 0.07 ppm, as measured by atomic absorption spectrophotometry. The bactericidal rate of the composite on Escherichia coli (E. coli) is greater than 99%, and the inhibition zone is about 28 mm in diameter. Combining the low cost and high effectiveness in inhibiting the growth of bacteria. such composites are expected to be useful as antimicrobial materials that may have great potential antimicrobial applications. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：3871 / 3875

页数：5

共 23 条

[1]

The inhibitory effects of silver nanoparticles, silver ions, and silver chloride colloids on microbial growth [J].