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Dual-Responsive Gold Nanoparticles for Colorimetric Recognition and Testing of Carbohydrates with a Dispersion-Dominated Chromogenic Process

Authors

  • Mingxi Zhang,

    1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
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  • Guangyan Qing,

    1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
    2. Department of Chemistry, Wuhan University of Technology, Wuhan 430070, P. R. China
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  • Chenling Xiong,

    1. Zhongnan Hospital, Wuhan University, Wuhan 430071, P. R. China
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  • Ran Cui,

    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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  • Dai-Wen Pang,

    1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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  • Taolei Sun

    Corresponding author
    1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, P. R. China
    2. Department of Chemistry, Wuhan University of Technology, Wuhan 430070, P. R. China
    • State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan, University of Technology, Wuhan 430070, P. R. China.
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Abstract

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A dispersion-dominated colorimetric approach for the recognition of carbohydrates based on biomolecule-responsive AuNPs is presented. Taking advantage of the unique dual-responsiveness of smart copolymers, the aggregation and dispersion of AuNPs can be modulated by both temperature and different kinds of carbohydrates, giving rise to a novel chromogenic mechanism for the recognition and testing of carbohydrates in aqueous media.

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