期刊论文

Deng, Peihong

英文

Food Chemistry

0308-8146

2014

157

490-497

10.1016/j.foodchem.2014.02.074

This work was supported by the Project of National Natural Science Foundation of China (No. 21105024 ), the Project of Science and Technology Department of Hunan Province (No. 2013FJ3078 ), the Project of Education Department of Hunan Province (No. 11CY002 ), the Open Fund of Key Laboratory of Functional Organometallic Materials of Ordinary University in Hunan Province (No. 12K125 ), the Key Discipline Project of Hunan Province and the Research Award Fund for Outstanding Young Teachers of Hunan Province.

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Herein, a novel electrochemical sensor based on an acetylene black paste electrode modified with molecularly imprinted chitosan-graphene composite film for sensitive and selective detection of bisphenol A (BPA) has been developed. Several important parameters controlling the performance of the sensor were investigated and optimised. The imprinted sensor offers a fast response and sensitive BPA quantification. Under the optimal conditions, a linear range from 8.0 nM to 1.0 μM and 1.0 to 20 μM for the detection of BPA was observed with the detection limit of 6.0 nM (S/N = 3). Meanwhile, th...