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Breathable Nanomesh Humidity Sensor for Real-Time Skin Humidity Monitoring. | LitMetric

Breathable Nanomesh Humidity Sensor for Real-Time Skin Humidity Monitoring.

ACS Appl Mater Interfaces

Department of Emerging Materials Science , Daegu Gyeongbuk Institute of Science & Technology (DGIST), 333, Techno Jungang-daero, Hyeonpung-myeon, Dalseong-gun, Daegu 711-873 , Republic of Korea.

Published: November 2019

AI Article Synopsis

Article Abstract

The importance of monitoring the condition of skin is increasing as its relevance to health is becoming more well understood. Inappropriate humidity levels can cause atopic dermatitis or hair loss. However, conventional film substrates used in electronic skin monitoring devices cause accumulation of sweat or gas between the device and biological tissue, leading to negative effects in long-term humidity measurements. Thus, real-time measurements of skin humidity over long periods are difficult using conventional film devices. Here, a breathable nanomesh humidity sensor that can monitor skin humidity for a long time is developed by using biocompatible materials such as gold, poly(vinyl alcohol), and Parylene C. The sensor presents excellent gas and sweat permeability and precisely detects the humidity level of an object for a long time. This study demonstrates the successful real-time detection of the humidity level from human skin and also detects the relative humidity of a plant surface over a prolonged period. This sensor is expected to have wide applicability for cultivating delicate plants as well as to reveal correlations between skin humidity and disease for biomedical applications.

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Source
http://dx.doi.org/10.1021/acsami.9b17584DOI Listing

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