Investigation of Mg(OH)2 nanoparticles as an antibacterial agent

被引：125

作者：

Dong, Chunxu ^{[4
,5
]}

Cairney, John ^{[3
]}

Sun, Qunhui ^{[4
]}

Maddan, Orville Lee ^{[2
]}

He, Gaohong ^{[5
]}

Deng, Yulin ^{[1
,4
]}

机构：

[1] Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA

[2] Aqua Resources Corp, Ft Walton Beach, FL 32547 USA

[3] Georgia Inst Technol, Sch Biol, Atlanta, GA 30332 USA

[4] Georgia Inst Technol, Inst Paper Sci & Technol, Atlanta, GA 30332 USA

[5] Dalian Univ Technol, Sch Chem Engn, State Key Lab Fine Chem, Dalian 116012, Peoples R China

来源：

JOURNAL OF NANOPARTICLE RESEARCH | 2010年 / 12卷 / 06期

关键词：

Antibacterial agent; Mg(OH) nanoparticles; Metal oxide; E; coli; Environment; EHS; STAPHYLOCOCCUS-AUREUS; ESCHERICHIA-COLI; CHITOSAN; FILMS;

D O I：

10.1007/s11051-009-9769-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Our experimental results of using Mg(OH)(2) nanoparticles as an antibacterial agent are reported in this study. The antibacterial behavior of Mg(OH)(2) nanoparticles in liquid culture and in paper sheets was investigated. The colony forming units (CFU) counting and the headspace gas chromatography (HS-GC) measurement were used to determine the cell viability. Results indicate that Mg(OH)(2) nanoparticles are effective antibacterial agent against Escherichia coli (E. coli) and Burkholderia phytofirmans, and the OH- and Mg2+ ions in Mg(OH)(2) water suspension were found not to be the reason for killing the bacteria. Mg(OH)(2) nanoparticles could be added directly to wood pulp to make paper sheets, whose antibacterial efficiency increased with the increase of the nanoparticle amount. The possible mechanism of antibacterial effect of Mg(OH)(2) nanoparticles is discussed.

引用

页码：2101 / 2109

页数：9

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