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Issue 9, 2013
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Molecularly imprinted electrochemical sensor based on a reduced graphene modified carbon electrode for tetrabromobisphenol A detection

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Abstract

A simple strategy for the indirect detection of 3,3′,5,5′-tetrabromobisphenol A (TBBPA) was developed with a surface imprinted sensor based on an electrochemical reduced graphene modified carbon electrode. The preparation procedure of imprinted electrode and the response mechanism of the imprinted electrode toward TBBPA are discussed in detail. The electrochemical characteristics of the imprinted sensor were investigated using cyclic voltammetry and their morphologies were characterized using scanning electron microscopy. The indirect detection for TBBPA was successfully implemented by monitoring the peak current of Fe(CN)63−/4−–TBBPA complex. The response currents of the imprinted sensor exhibited a linear relationship toward the TBBPA concentration range from 0.5 to 4.5 nM with a detection limit of 0.23 nM (S/N = 3). The fabricated electrochemical imprinted sensor was successfully applied to the detection of TBBPA in rain and lake water samples using the standard addition method. With the advantages of high sensitivity and simple operation, the determination methodology is a promising candidate for TBBPA detection in real water samples.

Graphical abstract: Molecularly imprinted electrochemical sensor based on a reduced graphene modified carbon electrode for tetrabromobisphenol A detection

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Publication details

The article was received on 23 Oct 2012, accepted on 21 Feb 2013 and first published on 22 Feb 2013


Article type: Paper
DOI: 10.1039/C3AN00146F
Citation: Analyst, 2013,138, 2769-2776
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    Molecularly imprinted electrochemical sensor based on a reduced graphene modified carbon electrode for tetrabromobisphenol A detection

    H. Chen, Z. Zhang, R. Cai, X. Kong, X. Chen, Y. Liu and S. Yao, Analyst, 2013, 138, 2769
    DOI: 10.1039/C3AN00146F

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