The Electrical Detection of Lead Ions Using Gold-Nanoparticle- and DNAzyme-Functionalized Graphene Device

Authors

  • Yanqin Wen,

    1. School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
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  • Fabien Yi Li,

    1. Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive,637457, Singapore
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  • Xiaochen Dong,

    1. Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive,637457, Singapore
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  • Jun Zhang,

    1. School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
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  • Qihua Xiong,

    Corresponding author
    1. School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
    • School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore
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  • Peng Chen

    Corresponding author
    1. Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive,637457, Singapore
    • Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive,637457, Singapore.
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Abstract

original image

An electronic Pb2+ sensor, with high sensitivity and specificity, was developed based on DNAzyme- and gold-nanoparticle-functionalized graphene transistor.

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