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  • Title: Magnetic separate "turn-on" fluorescent biosensor for Bisphenol A based on magnetic oxidation graphene.
    Author: Hu LY, Niu CG, Wang XY, Huang DW, Zhang L, Zeng GM.
    Journal: Talanta; 2017 Jun 01; 168():196-202. PubMed ID: 28391842.
    Abstract:
    Bisphenol A (BPA) is commonly considered to cause a health hazard to wildlife and humans, acting as an exogenous estrogen. Herein, a magnetic separate "turn-on" fluorescent method for the detection of BPA was proposed based on fluorescence resonance energy transfer (FRET) between fluorescein-labeled BPA aptamer and magnetic oxidation graphene (MGO). At different concentrations of BPA, the fluorescence intensity of the sensing system was varied. The detection limit of 0.071ng/mL was obtained with the linear range of 0.2-10ng/mL. The biosensor exhibited excellent anti-interference ability and selectivity in actual water samples.
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