期刊
SMALL METHODS
卷 6, 期 10, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smtd.202200653
关键词
personalized health care; self-powered systems; sweat sensors; wearable electronics; wireless communication
资金
- National Natural Science Foundation of China [61875015, T2125003]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA16021101]
- Beijing Natural Science Foundation [JQ20038, L212010]
This article presents the design of a wireless self-powered wearable sweat analysis system that converts mechanical energy into electricity for power supply. It enables real-time selective monitoring of biomarkers in sweat and wireless transmission of data.
Wireless wearable sweat analysis devices can monitor biomarkers at the molecular level continuously and in situ, which is highly desired for personalized health care. The miniaturization, integration, and wireless operation of sweat sensors improve the comfort and convenience while also bringing forward new challenges for power supply technology. Herein, a wireless self-powered wearable sweat analysis system (SWSAS) is designed that effectively converts the mechanical energy of human motion into electricity through hybrid nanogenerator modules (HNGMs). The HNGM shows stable output characteristics at low frequency with a current of 15 mA and a voltage of 60 V. Through real-time on-body sweat analysis powered by HNGM, the SWSAS is demonstrated to selectively monitor biomarkers (Na+ and K+) in sweat and wirelessly transmit the sensing data to the user interface via Bluetooth.
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