Journal
CHEMELECTROCHEM
Volume 1, Issue 6, Pages 1063-1067Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/celc.201300244
Keywords
electrochemical determination; graphene oxide; imidacloprid; sensors; voltammetry
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Funding
- National Natural Science Foundation of China [21103092]
- Fundamental Research Funds for the Central Universities [30920130111003]
- Ph.D. Programs Foundation of Ministry of Education of China [20133219110018]
- Qing Lan Project and Six Major Talent Summit [XNY-011]
- Science and Technology Support Plan of Jiangsu Province, China [BE2011835, BE2013126]
- Excellent Plan Foundation of NUST
- [NCET-12-0629]
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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.
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