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
收藏
页码：1063 / 1067
页数：5
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