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Issue 22, 2017
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A flexible, ultra-sensitive chemical sensor with 3D biomimetic templating for diabetes-related acetone detection

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Abstract

The structural features of biological organisms have evolved through natural selection to provide highly tailored functions, inspiring numerous biomimetic and biological design strategies. A wide scope of untapped potential lies in harnessing the nanoscale architectural properties of natural biological materials to develop high-performance sensors. Herein, we report the development of an ultrasensitive chemical sensor that is based on the three-dimensional (3D) biomimetic templating of a structurally hierarchical butterfly wing. In conjunction with graphene sheet coating strategies, the porous 3D architecture enables highly selective detection of diabetes-related volatile organic compounds (VOCs), including a rapid response time (≤1 s), a low limit of detection (20 ppb), and superior mechanical properties. Taken together, the findings in this work demonstrate the promise of incorporating natural biological materials into high-performance sensors, with excellent potential for wearable and flexible sensors.

Graphical abstract: A flexible, ultra-sensitive chemical sensor with 3D biomimetic templating for diabetes-related acetone detection

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Publication details

The article was received on 22 Mar 2017, accepted on 25 Apr 2017 and first published on 25 Apr 2017


Article type: Communication
DOI: 10.1039/C7TB00787F
Citation: J. Mater. Chem. B, 2017,5, 4019-4024
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    A flexible, ultra-sensitive chemical sensor with 3D biomimetic templating for diabetes-related acetone detection

    L. Wang, J. A. Jackman, J. H. Park, E. Tan and N. Cho, J. Mater. Chem. B, 2017, 5, 4019
    DOI: 10.1039/C7TB00787F

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