Mechanically Robust and Transparent Organohydrogel-Based E-Skin Nanoengineered from Natural Skin

Zhongxue Bai; Xuechuan Wang; Manhui ZhengOuyang YueMengchen HuangXiaoliang ZouBoqiang CuiLong XieShuyin DongJiaojiao ShangGuidong GongAnna M. BlockiJunling GuoXinhua Liu

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Mechanically Robust and Transparent Organohydrogel-Based E-Skin Nanoengineered from Natural Skin

机译：Mechanically Robust and Transparent Organohydrogel-Based E-Skin Nanoengineered from Natural Skin

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Electronic skins (e-skins), which are mechanically compliant with humanskin, are regarded as ideal electronic devices for noninvasive human–machine interaction and wearable devices. In order to fully mimic humanskin, e-skins should possess reliable mechanical properties and be able toresist external environmental factors like heat, cold, desiccation, and bacteria,while perceiving multiple external stimuli, such as temperature, humidity,and strain. Here, a transparent, mechanically robust, environmentally stable,versatile natural skin-derived organohydrogel (NSD-Gel) is nanoengineeredthrough the integration of betaine, silver nanoparticles, and sodium chloridein a glycerol/water binary solvent. The transparent NSD-Gel e-skin exhibitsoutstanding tensile strength (7.33 MPa), puncture resistance, moisture retention,self-regeneration, and antibacterial properties. Additionally, the NSDGele-skin possesses enhanced cold/heat resistance and stimuli-responsivecharacteristics that effectively sense environmental temperature and humiditychanges, as well as physiological human body motion signals. In vitro and invivo experiments show that the NSD-Gel e-skin confers desired biocompatibilityand tissue protective properties even in extremely harsh environments(?196 ℃ to 100 ℃). The NSD-Gel e-skin has great potential for applicationsin multidimensional wearable electronic devices, human-machine interfaces,and artificial intelligence, generating a versatile platform for the developmentof high-performance e-skins with on-demand properties.

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来源
《Advanced functional materials》 |2023年第15期|2212856.1-2212856.17|共17页
作者
Zhongxue Bai; Xuechuan Wang; Manhui ZhengOuyang YueMengchen HuangXiaoliang ZouBoqiang CuiLong XieShuyin DongJiaojiao ShangGuidong GongAnna M. BlockiJunling GuoXinhua Liu;
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College of Bioresources Chemical and Materials EngineeringInstitute of Biomass & Functional MaterialsShaanxi University of Science & TechnologyXi’an, Shaanxi 710021, China, College of Chemistry and Chemical EngineeringInstitute of Biomass & Functional Mat;

College of Bioresources Chemical and Materials EngineeringInstitute of Biomass & Functional MaterialsShaanxi University of Science & TechnologyXi’an, Shaanxi 710021, China;

College of Chemistry and Chemical EngineeringInstitute of Biomass & Functional MaterialsShaanxi University of Science & TechnologyXi’an, Shaanxi 710021, ChinaBMI Center for Biomass Materials and NanointerfacesCollege of Biomass Science and EngineeringSichuan UniversityChengdu, Sichuan 610065, ChinaInstitute for Tissue Engineering and Regenerative Medicine& Department of Biomedical EngineeringChinese University of Hong KongHong Kong, SAR 999077, ChinaBMI Center for Biomass Materials and NanointerfacesCollege of Biomass Science and EngineeringSichuan UniversityChengdu, Sichuan 610065, China, Bioproducts InstituteDepartments of Chemical & Biological EngineeringThe University of British Columbia2360 East;

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electronic skin; mechanically robust; multi-functions; natural skin; organohydrogels;

Mechanically Robust and Transparent Organohydrogel-Based E-Skin Nanoengineered from Natural Skin

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