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Issue 36, 2018
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A self-powered electronic-skin for real-time perspiration analysis and application in motion state monitoring

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Abstract

A new self-powered electronic-skin (e-skin) for real-time perspiration analysis has been fabricated from a polyaniline (PANI) triboelectric-biosensing unit matrix, which can also work as a self-powered visualization system for preventing exercise injury (dehydration). The biosensing units on the e-skin can be driven by body motion through efficiently converting mechanical energy into triboelectric current. After surface modification with enzymes and a drop-cast chitosan film, the triboelectric output of the biosensing units can be influenced by the target biomarkers, acting as a biosensing signal. This new triboelectrification/enzymatic-reaction coupling effect has been demonstrated in different biosensing units that can detect the urea, uric acid, lactate, glucose, Na+ and K+ concentration in perspiration without any external electricity power. The e-skin can be linked to a visualization panel, and the input triboelectric current can show the motion state of the human body during exercise. This work can provoke a new research direction for developing wearable healthcare diagnosis systems and self-powered visualization systems. This new technique could also reduce medical expenses and facilitate application in low-income regions.

Graphical abstract: A self-powered electronic-skin for real-time perspiration analysis and application in motion state monitoring

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Publication details

The article was received on 05 Jul 2018, accepted on 15 Aug 2018 and first published on 15 Aug 2018


Article type: Paper
DOI: 10.1039/C8TC03296C
J. Mater. Chem. C, 2018,6, 9624-9630

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    A self-powered electronic-skin for real-time perspiration analysis and application in motion state monitoring

    H. He, H. Zeng, Y. Fu, W. Han, Y. Dai, L. Xing, Y. Zhang and X. Xue, J. Mater. Chem. C, 2018, 6, 9624
    DOI: 10.1039/C8TC03296C

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