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Humidity Sensing of Stretchable and Transparent Hydrogel Films for Wireless Respiration Monitoring
Nano-Micro Letters ( IF 26.6 ) Pub Date : 2022-09-12 , DOI: 10.1007/s40820-022-00934-1
Yuning Liang 1 , Qiongling Ding 1 , Hao Wang 1 , Zixuan Wu 1 , Jianye Li 1 , Zhenyi Li 1 , Kai Tao 2 , Xuchun Gui 1 , Jin Wu 1
Affiliation  

  • A general strategy of fabricating thickness-controllable hydrogel films with diverse polymer networks for humidity sensing is proposed. The hydrogel film humidity sensor displays an unprecedented sensitivity up to 13,462.1%/%RH.

  • The stretchable humidity sensor can work normally under large tensile strains with even enhanced sensitivity, which makes the humidity responding property of hydrogel mechanically programmable.

  • A wireless respiratory interruption detection mask with Bluetooth transmission function is developed based on the sensor, enabling the real-time, wireless and accurate acquisition of user's breathing state, such as the interval and breathing frequency and apnea.



中文翻译:

用于无线呼吸监测的可拉伸透明水凝胶薄膜的湿度传感

  • 提出了一种用于湿度传感的具有不同聚合物网络的厚度可控水凝胶薄膜的一般策略。水凝胶薄膜湿度传感器显示出前所未有的灵敏度,高达 13,462.1%/%RH。

  • 可拉伸湿度传感器可以在大拉伸应变下正常工作,灵敏度甚至更高,这使得水凝胶的湿度响应特性可以机械编程。

  • 基于该传感器开发了具有蓝牙传输功能的无线呼吸中断检测面罩,能够实时、无线、准确地获取使用者的呼吸状态,如间歇、呼吸频率、呼吸暂停等。

更新日期:2022-09-12
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