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Issue 7, 2015
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Highly sensitive detection of bisphenol A in food packaging based on graphene quantum dots and peroxidase

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Abstract

A novel sensing strategy for bisphenol A (BPA) was designed based on graphene quantum dots (GQDs) and peroxidase. In the presence of H2O2 and horseradish peroxidase (HRP), BPA was oxidized and the oxidation product of BPA could effectively quench the fluorescence of the GQDs. The quenching PL intensity of the GQDs (I0/I) was proportional to the concentration of BPA in the range of 1–1000 nM, and the detection limit was as low as 0.4 nM. The proposed method could be applied to detect BPA in real food packaging samples with satisfactory results.

Graphical abstract: Highly sensitive detection of bisphenol A in food packaging based on graphene quantum dots and peroxidase

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Publication details

The article was received on 28 Dec 2014, accepted on 31 Jan 2015 and first published on 02 Feb 2015


Article type: Paper
DOI: 10.1039/C4AY03080J
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Citation: Anal. Methods, 2015,7, 2928-2935

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    Highly sensitive detection of bisphenol A in food packaging based on graphene quantum dots and peroxidase

    H. Huang, Z. Feng, Y. Li, Z. Liu, L. Zhang, Y. Ma and J. Tong, Anal. Methods, 2015, 7, 2928
    DOI: 10.1039/C4AY03080J

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