Colorimetric and photothermal dual-mode immunoassay of aflatoxin B1 based on peroxidase-like activity of Pt supported on nitrogen-doped carbon

Shuoying Huang,Wenqiang Lai,Bingqian Liu,Mingdi Xu,Junyang Zhuang,Dianping Tang,Youxiu Lin

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy（2023）

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摘要

•Colorimetric and photothermal dual-signal immunoassay biosensor was developed.•Affordable detection of AFB1 was achieved by a common thermometer-based photothermal method.•Application of immunoassay in food samples with high sensitivity.

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关键词

Photothermal and colorimetric,Pt supported on nitrogen-doped carbon,Dual readout,Aflatoxin B1

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