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Facile environment-friendly peptide-based humidity sensor for multifunctional applications
Shi HY(石慧瑶)1,2,3; Wang RQ(王瑞乾)1,2,3; Yu P(于鹏)1,2,3; Shi JL(施佳林)1,2,3; Liu LQ(刘连庆)1,2,3
Department机器人学研究室
Source PublicationAPPLIED NANOSCIENCE
ISSN2190-5509
2021
Pages1-9
Indexed BySCI
WOS IDWOS:000611927900002
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [61925307, U1613220, 61821005, 61927805, 91748212, 61903359] ; Instrument Developing Project of the Chinese Academy of Sciences [YJKYYQ20180027] ; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2019M651163]
KeywordPeptide Humidity sensor Eco-friendly Biodegradability Multifunction
Abstract

Humidity monitoring plays a key role in the human-machine interface (HMI) and health-related devices. Current inorganic sensing materials provide a stable and fast method to monitor relative humidity (RH). However, these materials require complicated preparation processes and even toxic reagents. Organic humidity-sensing materials were considered to be biocompatible, but they face slow response time and cannot be used in real-time systems. There is still a great challenge to seek biocompatible humidity-sensing materials with high performance. Micro-nano structures formed by self-assembled peptides have been proven to have good optical, mechanical, semiconductive properties and intrinsic biocompatibility, which can be used for monitoring human health and activities. Herein, we reported an environmentally friendly humidity sensor based on peptide self-assembled micro-nano fibers. This humidity sensor was fabricated by a drop-coating method, in which the peptide fiber served as the humidity-sensing material and the Au electrode was used as a substrate. Self-assembled fiber networks exhibit excellent absorption of water molecules, which result in an extraordinary humidity sensitivity of more than 30,000 as well as ultrafast response (66 ms). To demonstrate the multifunctional possibilities, peptide humidity sensors were applied to respiration monitoring, non-contact switch, and baby diaper wetting monitoring. Our results provide useful strategies for detecting humidity changes in physiological activities based on peptide self-assembled fibers. These results indicated that peptide could be a promising candidate for human-machine interaction and healthcare humidity monitoring.

Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/28317
Collection机器人学研究室
Corresponding AuthorShi JL(施佳林)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Shi HY,Wang RQ,Yu P,et al. Facile environment-friendly peptide-based humidity sensor for multifunctional applications[J]. APPLIED NANOSCIENCE,2021:1-9.
APA Shi HY,Wang RQ,Yu P,Shi JL,&Liu LQ.(2021).Facile environment-friendly peptide-based humidity sensor for multifunctional applications.APPLIED NANOSCIENCE,1-9.
MLA Shi HY,et al."Facile environment-friendly peptide-based humidity sensor for multifunctional applications".APPLIED NANOSCIENCE (2021):1-9.
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