Issue 36, 2018

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

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

Supplementary files

Article information

Article type
Paper
Submitted
05 jul 2018
Accepted
15 ago 2018
First published
15 ago 2018

J. Mater. Chem. C, 2018,6, 9624-9630

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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