Long-term reliable physical health monitoring by sweat pore–inspired perforated electronic skins

Artificial auxetic sweat ducts enable electronic skin sensors to perform reliable and noninvasive health monitoring over a week. Electronic skins (e-skins)—electronic sensors mechanically compliant to human skin—have long been developed as an ideal electronic platform for noninvasive human health mo...

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Veröffentlicht in:Science advances Jg. 7; H. 27
Hauptverfasser: Yeon, Hanwool, Lee, Haneol, Kim, Yeongin, Lee, Doyoon, Lee, Youngjoo, Lee, Jong-Sung, Shin, Jiho, Choi, Chanyeol, Kang, Ji-Hoon, Suh, Jun Min, Kim, Hyunseok, Kum, Hyun S., Lee, Jaeyong, Kim, Daeyeon, Ko, Kyul, Ma, Boo Soo, Lin, Peng, Han, Sangwook, Kim, Sungkyu, Bae, Sang-Hoon, Kim, Taek-Soo, Park, Min-Chul, Joo, Young-Chang, Kim, Eunjoo, Han, Jiyeon, Kim, Jeehwan
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States American Association for the Advancement of Science 01.06.2021
Schlagworte:
Applied Physics
Materials Science
SciAdv r-articles
ISSN:2375-2548, 2375-2548
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Zusammenfassung:Artificial auxetic sweat ducts enable electronic skin sensors to perform reliable and noninvasive health monitoring over a week. Electronic skins (e-skins)—electronic sensors mechanically compliant to human skin—have long been developed as an ideal electronic platform for noninvasive human health monitoring. For reliable physical health monitoring, the interface between the e-skin and human skin must be conformal and intact consistently. However, conventional e-skins cannot perfectly permeate sweat in normal day-to-day activities, resulting in degradation of the intimate interface over time and impeding stable physical sensing. Here, we present a sweat pore–inspired perforated e-skin that can effectively suppress sweat accumulation and allow inorganic sensors to obtain physical health information without malfunctioning. The auxetic dumbbell through-hole patterns in perforated e-skins lead to synergistic effects on physical properties including mechanical reliability, conformability, areal mass density, and adhesion to the skin. The perforated e-skin allows one to laminate onto the skin with consistent homeostasis, enabling multiple inorganic sensors on the skin to reliably monitor the wearer’s health over a period of weeks.
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These authors contributed equally to this work.
ISSN:2375-2548
2375-2548
DOI:10.1126/sciadv.abg8459