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  • Title: Tannic acid functionalized N-doped graphene modified glassy carbon electrode for the determination of bisphenol A in food package.
    Author: Jiao S, Jin J, Wang L.
    Journal: Talanta; 2014 May; 122():140-4. PubMed ID: 24720975.
    Abstract:
    A rapid, environmental friendly, and sensitive sensor for the detection of bisphenol A (BPA) was developed at glassy carbon electrode (GCE) modified with Tannic acid functionalized N-doped graphene (TA/N-G) immobilized by Nafion. Compared with other sensors, the proposed sensor greatly enhanced the response signal of BPA due to the active surface area of N-G and high absorption efficiency of TA. Under the optimal conditions, the oxidation current increased linearly with increasing the concentration of BPA in the range of 0.05-13 µM with the detection limit of 4.0 nM. The fabricated electrode showed good reproducibility, stability and anti-interference. The developed electrochemical sensor was successfully applied to determine BPA in food package.
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