Fabric-substrated capacitive biopotential sensors enhanced by dielectric nanoparticles

作     者：Xiangjun Chen Xiaoxiang Gao Akihiro Nomoto Keren Shi Muyang Lin Hongjie Hu Yue Gu Yangzhi Zhu Zhuohong Wu Xue Chen Xinyu Wang Baiyan Qi Sai Zhou Hong Ding Sheng Xu Xiangjun Chen;Xiaoxiang Gao;Akihiro Nomoto;Keren Shi;Muyang Lin;Hongjie Hu;Yue Gu;Yangzhi Zhu;Zhuohong Wu;Xue Chen;Xinyu Wang;Baiyan Qi;Sai Zhou;Hong Ding;Sheng Xu

作者机构：Materials Science and Engineering ProgramUniversity of California San DiegoLa JollaCA 92093USA Department of NanoEngineeringUniversity of California San DiegoLa JollaCA 92093USA Department of Electrical and Computer EngineeringUniversity of California San DiegoLa JollaCA 92093USA Department of BioengineeringUniversity of California San DiegoLa JollaCA 92093USA 

出 版 物：《Nano Research》 (纳米研究（英文版）)

年 卷 期：2021年第14卷第9期

页      面：3248-3252页

核心收录：

学科分类：080202[工学-机械电子工程] 08[工学] 0802[工学-机械工程] 

基　　金：research sponsored by Air Force Research Laboratory under agreement number FA8650-18-2-5402 

主　　题：capacitive sensing biopotential stretchable calcium copper titanate(CCTO) signal-to-noise ratio(SNR) 

摘      要：Wearable biopotential sensing devices are essential to long-term and real-time monitoring of human ***-contact,capacitive sensing electrodes prevent potential skin iritations,and are thus beneficial for long-term *** capacitive electrodes are either connected to a separate control circuit via external wires or have limited sensing capacitances,which leads to low signal *** study demonstrates a stretchable capacitive sensing device with integrated electrodes and control electronics,with enhanced signal *** electrodes and the control electronics are fabricated on a common fabric substrate for breathability and strain-limiting *** stretchable electrodes are based on an island-bridge design with a stretchability as high as-100%,and an area ratio as high as-80%.By using a dielectric calcium copper titanate(CCTO)composite as the adhesive layer,the electrode capacitance can be increased,yielding an enhanced signal-to-noise ratio(SNR)in the acquired *** device offers a convenient and comfortable approach for long-term non-contact monitoring of biopotential signals.