Sensitive and Selective Detection of Imidacloprid by Graphene-Oxide-Modified Glassy Carbon Electrode

被引：28

作者：

Lei, Wu ^{[1
]}

Han, Zhen ^{[1
]}

Si, Weimeng ^{[1
]}

Hao, Qingli ^{[1
]}

Zhang, Yuehua ^{[1
]}

Xia, Mingzhu ^{[1
]}

Wang, Fengyun ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China

来源：

CHEMELECTROCHEM | 2014年 / 1卷 / 06期

基金：

中国国家自然科学基金;

关键词：

electrochemical determination; graphene oxide; imidacloprid; sensors; voltammetry; PERFORMANCE LIQUID-CHROMATOGRAPHY; ELECTROCHEMICAL DETERMINATION; COMPOSITE; SENSOR; RESIDUES; INSECTICIDES; PESTICIDES; FILM;

D O I：

10.1002/celc.201300244

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Based on the enhancement effect of graphene oxide (GO), a GO-modified glassy carbon electrode (GO/GCE) is prepared for the fast and sensitive electrochemical detection of the imidacloprid (IMI) insecticide, with high selectivity and stability, for the first time. The electrochemical behavior of imidacloprid on GO/GCE is investigated by using cyclic voltammetry, and graphene oxide is found to have a strong affinity towards IMI. The reduction peak current varies linearly with the concentration of IMI over the 0.8-10 mu m range and the limit of detection is 0.36 mu m.

引用

页码：1063 / 1067

页数：5

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