Engineering and Technology

An epifluidic electronic patch with spiking sweat clearance for event-driven perspiration monitoring

S. Kim, S. Park, et al.

Discover the groundbreaking research by Sangha Kim, Seongjin Park, Jina Choi, Wonseop Hwang, Sunho Kim, In-Suk Choi, Hyunjung Yi, and Rhokyun Kwak introducing an innovative epifluidic electronic patch designed for efficient, long-term perspiration monitoring. This patch utilizes a unique spiking sweat clearance mechanism, significantly enhancing data transmission while conserving energy, promising exciting implications for digital healthcare applications.

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Abstract

This paper introduces an epifluidic electronic patch with a spiking sweat clearance mechanism for energy-efficient, long-term wireless monitoring of perspiration. The patch uses a sweat VIA sensor with a vertical sweat-collecting channel and nanomesh electrodes. The sensor generates spike patterns based on sweat rate and ionic conductivity, enabling event-driven data transmission and significantly reducing energy consumption compared to continuous monitoring. The patch successfully decodes perspiration dynamics during exercise, showing potential for applications in digital healthcare.

Publisher

Nature Communications

Published On

Nov 07, 2022

Authors

Sangha Kim, Seongjin Park, Jina Choi, Wonseop Hwang, Sunho Kim, In-Suk Choi, Hyunjung Yi, Rhokyun Kwak

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