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Biocompatible Protein/Liquid Metal Hydrogel-Enabled Wearable Electronics for Monitoring Marine Inhabitants' Health

文献类型： 外文期刊

作者： Wu, Lidong 1 ; Zhao, Jinxue 1 ; Li, Yuanxin 1 ; Qin, Haiyang 1 ; Zhai, Xuejing 1 ; Li, Peiyi 1 ; Li, Yang 5 ; Liu, Yingnan 5 ; Chen, Ningyue 6 ; Li, Yuan 6 ;

作者机构： 1.Chinese Acad Fishery Sci, Fisheries Engn Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Beijing 100141, Peoples R China

2.Chinese Acad Fishery Sci, Beijing 100141, Peoples R China

3.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China

4.Dalian Ocean Univ, Coll Food Sci & Engn, Dalian 116023, Peoples R China

5.Chinese Acad Sci, Shenzhen Inst Adv Technol, Lab Inflammat & Vaccines, Shenzhen 518055, Peoples R China

6.Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China

7.Tsinghua Univ, Dept Chem, Lab Flexible Elect Technol, Beijing 100084, Peoples R China

关键词： Marine inhabitants health; Aquaculture; Keratin hydrogel; Liquid metal; Wearable electronics

期刊名称：ENGINEERING （ 影响因子：11.6； 五年影响因子：13.1 ）

ISSN： 2095-8099

年卷期： 2025 年 47 卷

页码：

收录情况： SCI

摘要： Wearable electronics incorporating proteins for biocompatibility have garnered significant research attention, given their potential applications in biocompatible medical devices, artificial skin, humanoid robots, and other fields. However, a notable challenge exists, as many wearable electronics currently lack those essential properties due to issues such as non-biological compatibility, as well as insufficient mechanical and conductive performance. Here, we have developed a hybrid keratin (KE) hydrogel by incorporating a liquid metal (LM, eutectic gallium-indium alloy) to design a wearable electronic device with excellent biocompatibility, enhanced conductivity, and good mechanical properties. The resulting keratin liquid metal (KELM) hydrogel demonstrates favorable mechanical characteristics, including good tensile strength (166 kPa), impressive stretchability (2600%), and long-term stability. Furthermore, it exhibits good conductivity (6.84 S center dot m 1 ) and sensitivity as a sensing material (gauge factor (GF)= 7.03), rendering it suitable for constructing high-performance strain sensors. Notably, the KELM hydrogelbased wearable electronics extend their functionality to monitoring marine inhabitants' health. This innovative application provides new insights for designing the next generation of biomimetic electronic devices, with potential applications in human-machine interfaces, electronic skin, artificial intelligence, and health monitoring. (c) 2025 THE AUTHORS. Published by Elsevier LTD on behalf of Chinese Academy of Engineering and Higher Education Press Limited Company. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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