Enhanced Antibacterial Activity of Silver-Coated Kapok Fibers Through Dopamine Functionalization

被引：21

作者：

Wang, Runkai ^{[1
]}

Shin, Chul Ho ^{[2
]}

Park, Siho ^{[2
]}

Cui, Longzhe ^{[3
]}

Kim, Daeik ^{[4
]}

Park, Joon-Seok ^{[5
]}

Ryu, Moonhee ^{[1
]}

机构：

[1] Chonbuk Natl Univ, Div Biotechnol, Coll Environm & Bioresource Sci, Iksan 570752, South Korea

[2] Seohae Environm Sci Inst, Jeonju 561211, South Korea

[3] South Cent Univ Nationalities, Key Lab Catalysis & Mat Sci Hubei Prov, Wuhan 430074, Peoples R China

[4] Univ So Calif, Sony Astani Dept Civil & Environm Engn, Viterbi Sch Engn, Los Angeles, CA 90089 USA

[5] Kangwon Natl Univ, Dept Environm Engn, Gangwon Do Samcheok 245711, South Korea

来源：

WATER AIR AND SOIL POLLUTION | 2015年 / 226卷 / 01期

关键词：

Kapok fiber; Silver; Dopamine; Functional group; Antibacterial capacity; SOL-GEL METHOD; ANTIMICROBIAL PROPERTIES; NANOPARTICLES; COATINGS; POLYDOPAMINE; FABRICS; GLASS;

D O I：

10.1007/s11270-014-2241-1

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

As a biopolymer-modified building block, a poly-dopamine layer can be utilized with a wide range of inorganic and organic materials for an adsorptive and microbial remediation. In this study, dopamine (DOPA) was used as a structural platform to bind silver onto the surface of kapok fibers, and a composite of surface-modified kapok fibers coated with DOPA along with silver were successfully manufactured. After a silver-coating process, a very strong antibacterial property was exhibited against Staphylococcus aureus with a high antibacterial efficiency, over 99 %, which could last for 48 h in peptone water. Enumeration determination was carried out in a spread plate method. For a comparative study, the antibacterial activity of raw kapok fibers and chemically enhanced kapok fibers with DOPA and silver was also evaluated. The results indicated that the chemically enhanced kapok fibers were very useful in controlling a microbial activity on a surface environment.

引用

页数：9

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