自愈水凝胶
纳米网
纳米技术
材料科学
生物电子学
生物医学工程
生物传感器
医学
石墨烯
高分子化学
作者
Zongman Zhang,J Yang,Haoyang Wang,Chunya Wang,Yuheng Gu,Yumiao Xu,Sunghoon Lee,Tomoyuki Yokota,Hossam Haick,Takao Someya,Yan Wang
出处
期刊:Science Advances
[American Association for the Advancement of Science (AAAS)]
日期:2024-01-10
卷期号:10 (2)
被引量:41
标识
DOI:10.1126/sciadv.adj5389
摘要
Hydrogel-enabled skin bioelectronics that can continuously monitor health for extended periods is crucial for early disease detection and treatment. However, it is challenging to engineer ultrathin gas-permeable hydrogel sensors that can self-adhere to the human skin for long-term daily use (>1 week). Here, we present a ~10-micrometer-thick polyurethane nanomesh–reinforced gas-permeable hydrogel sensor that can self-adhere to the human skin for continuous and high-quality electrophysiological monitoring for 8 days under daily life conditions. This research involves two key steps: (i) material design by gelatin-based thermal-dependent phase change hydrogels and (ii) robust thinness geometry achieved through nanomesh reinforcement. The resulting ultrathin hydrogels exhibit a thickness of ~10 micrometers with superior mechanical robustness, high skin adhesion, gas permeability, and anti-drying performance. To highlight the potential applications in early disease detection and treatment that leverage the collective features, we demonstrate the use of ultrathin gas-permeable hydrogels for long-term, continuous high-precision electrophysiological monitoring under daily life conditions up to 8 days.
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