A square wave voltammetric method for the detection of microorganism populations using a MWNT-modified glassy carbon electrode

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成果类型：

期刊论文

作者：

Xiao, Xilin*;Zhu, Guizhi;Liao, Lifu;Liu, Bo;Yuan, Yali;...

通讯作者：

Xiao, Xilin

作者机构：

[Wu, Yimou; Yuan, Yali; Wang, Yongsheng; He, Jun; Xiao, Xilin; Liao, Lifu; He, Bo] Univ S China, Coll Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.

[Wu, Yimou; Yuan, Yali; Wang, Yongsheng; He, Jun; Xiao, Xilin; Liao, Lifu; He, Bo] Univ S China, Coll Publ Hlth, Pathogen Biol Inst, Hengyang 421001, Hunan, Peoples R China.

[Zhu, Guizhi; Liu, Bo; Xiao, Xilin] Univ Florida, Ctr Res Bio Nano Interface, Dept Chem & Physiol, Gainesville, FL 32611 USA.

[Zhu, Guizhi; Liu, Bo; Xiao, Xilin] Univ Florida, Dept Funct Genom, Strands Canc Ctr, UF Genet Inst, Gainesville, FL 32611 USA.

[Zhu, Guizhi; Liu, Bo; Xiao, Xilin] Univ Florida, McKnight Brain Inst, Gainesville, FL 32611 USA.

通讯机构：

[Xiao, Xilin] U

Univ S China, Coll Chem & Chem Engn, Hengyang 421001, Hunan, Peoples R China.

语种：

英文

关键词：

Square wave voltammetry (SWV);Cyclic voltammetry (CV);Multiwalled carbon nanotube (MWNT);Glassy carbon electrode;Escherichia coli O157:H7

期刊：

Electrochimica Acta

ISSN：

0013-4686

年：

2012

卷：

页码：

105-110

DOI：

10.1016/j.electacta.2012.04.006

基金类别：

Acknowledgments We are grateful for the financial support from the National Science Foundation of China under the Grants 21177052, 31100137, 10975069 and 81171588, the Research from Hunan Province Natural Science Foundation under the Grant 10JJ3024, the Scientific Foundation of Hunan Provincial Education Department under the Grant 09C850 and the Starting Foundation for High-Scientific Study of Genius from University of South China under the Grant 2011XQD58.

机构署名：

本校为第一且通讯机构

院系归属：

化学化工学院

医学院

公共卫生学院

摘要：

A novel method for determination of trace amounts of microorganism populations in solution was developed by using a multiwalled carbon nanotube (MWNT) modified glassy carbon electrode and square wave voltammetry (SWV). The simultaneous combination of MWNT and SWV allowed the electrochemical signal of electro-active materials in Escherichia coli O157:H7 (E. coli) to be dramatically amplified. Compared with a bare glassy carbon electrode, the MWNT-modified glassy carbon electrode showed catalytic properties in the oxidation of electro-active mate...

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A square wave voltammetric method for the detection of microorganism populations using a MWNT-modified glassy carbon electrode

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