Miura-ori structured flexible microneedle array electrode for biosignal recording
作者机构：Department of Mechanical and Aerospace EngineeringThe Hong Kong University of Science and TechnologyKowloonHong Kong SAR 999077China The Institute of Technological SciencesWuhan UniversityWuhan 430072China
出 版 物：《Microsystems & Nanoengineering》 (微系统与纳米工程（英文）)
年 卷 期：2021年第7卷第4期
页 面：59-66页
核心收录：
学科分类：0831[工学-生物医学工程（可授工学、理学、医学学位）] 08[工学] 0836[工学-生物工程]
基 金：support from the startup fund from the Hong Kong University of Science and Technology and the project from the National Natural Science Foundation of China(Grant No.11874291 12074292)
摘 要：Highly reliable signal recording with low electrode-skin impedance makes the microneedle array electrode(MAE)a promising candidate for biosignal ***,when used in long-term health monitoring for some incidental diseases,flexible microneedles with perfectly skin-tight fit substrates lead to sweat accumulation inside,which will not only affect the signal output but also trigger some skin allergic *** this paper,a flexible MAE on a Miura-ori structured substrate is proposed and fabricated with two-directional in-plane *** results from the comparison tests show enhanced performance in terms of(1)the device reliability by resisting peeling off of the metal layer from the substrate during the operation and(2)air ventilation,achieved from the air-circulating channels,to remove ***-signal recordings of electrocardiography(ECG),as well as electromyography(EMG)of the biceps brachii,in both static and dynamic states,are successfully demonstrated with superior accuracy and long-term stability,demonstrating the great potential in health monitoring applications.
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