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240715s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202406235
|2 doi
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|a pubmed24n1593.xml
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|a (DE-627)NLM374949905
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|a (NLM)39007254
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Xie, Lingjie
|e verfasserin
|4 aut
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|a Ultrasensitive Wearable Pressure Sensors with Stress-Concentrated Tip-Array Design for Long-Term Bimodal Identification
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 07.11.2024
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|a Date Revised 07.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a The great challenges for existing wearable pressure sensors are the degradation of sensing performance and weak interfacial adhesion owing to the low mechanical transfer efficiency and interfacial differences at the skin-sensor interface. Here, an ultrasensitive wearable pressure sensor is reported by introducing a stress-concentrated tip-array design and self-adhesive interface for improving the detection limit. A bipyramidal microstructure with various Young's moduli is designed to improve mechanical transfer efficiency from 72.6% to 98.4%. By increasing the difference in modulus, it also mechanically amplifies the sensitivity to 8.5 V kPa-1 with a detection limit of 0.14 Pa. The self-adhesive hydrogel is developed to strengthen the sensor-skin interface, which allows stable signals for long-term and real-time monitoring. It enables generating high signal-to-noise ratios and multifeatures when wirelessly monitoring weak pulse signals and eye muscle movements. Finally, combined with a deep learning bimodal fused network, the accuracy of fatigued driving identification is significantly increased to 95.6%
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|a Journal Article
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|a fatigue identification
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|a pressure sensor
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|a stress‐concentrated
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|a triboelectric nanogenerator
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|a ultrasensitive
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|a wearable electronics
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|a Hydrogels
|2 NLM
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|a Lei, Hao
|e verfasserin
|4 aut
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|a Liu, Yina
|e verfasserin
|4 aut
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|a Lu, Bohan
|e verfasserin
|4 aut
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|a Qin, Xuan
|e verfasserin
|4 aut
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|a Zhu, Chengyi
|e verfasserin
|4 aut
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|a Ji, Haifeng
|e verfasserin
|4 aut
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|a Gao, Zhenqiu
|e verfasserin
|4 aut
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|a Wang, Yifan
|e verfasserin
|4 aut
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|a Lv, Yangyang
|e verfasserin
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|a Zhao, Chun
|e verfasserin
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|a Mitrovic, Ivona Z
|e verfasserin
|4 aut
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|a Sun, Xuhui
|e verfasserin
|4 aut
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|a Wen, Zhen
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 45 vom: 03. Nov., Seite e2406235
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:45
|g day:03
|g month:11
|g pages:e2406235
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|u http://dx.doi.org/10.1002/adma.202406235
|3 Volltext
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