Long-term reliable physical health monitoring by sweat pore-inspired perforated electronic skins
- Authors
- 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
- Issue Date
- Jun-2021
- Publisher
- AMER ASSOC ADVANCEMENT SCIENCE
- Citation
- SCIENCE ADVANCES, v.7, no.27
- Journal Title
- SCIENCE ADVANCES
- Volume
- 7
- Number
- 27
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/62376
- DOI
- 10.1126/sciadv.abg8459
- ISSN
- 2375-2548
2375-2548
- Abstract
- 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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