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High Durable, Biocompatible, and Flexible Piezoelectric Pulse Sensor Using Single-Crystalline III-N Thin Film

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机构: [1]Department of Mechanical Engineering, University of Houston, Houston, TX 77204-2004, USA [2]Materials Science and Engineering Program, University of Houston, Houston, TX 77204, USA [3]Advanced Manufacturing Institute (AMI), University of Houston, Houston, TX 77204, USA [4]Texas Center for Superconductivity at UH (TcSUH), University of Houston, Houston, TX 77204, USA [5]Department of Nanomedicine, Houston Methodist Research Institute, Houston, TX 77030, USA [6]Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China [7]Korea Photonics Technology Institute (KOPTI), Gwangju 61007, South Korea [8]Department of Photonic Engineering, Chosun University, Gwangju 61452, South Korea
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关键词: biocompatible flexible III-nitride piezoelectrics pulse sensors

摘要:
Flexible pulse sensors that can detect subtle skin surface deformation caused by arterial pulses are key components for developing non-invasive continuous pulse waveform monitoring systems that provide vital health status parameters. Piezoelectric pulse sensors (PPSs) offer a promising solution for flexible pulse sensors due to their relatively high sensitivity and stability, and low power consumption, when compared with conventional active pulse sensors. However, the reported high-performance PPSs contain toxic lead, which limits their practical applications. In this study, a highly sensitive and flexible PPS that detects surface deflections on the micrometer scale is fabricated with single-crystalline group III-nitride thin film. This biocompatible flexible PPS is sensitive enough to detect pulse waveform with detailed characteristic peaks from most arterial pulse sites when attached to the skin surface without applying external pressure. Useful physiological parameters such as the pulse rate, artery augmentation index, and pulse wave velocity can be drawn from the as-acquired pulse waveforms. The flexible PPS can also be used to continuously monitor the arterial pulse waveform. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

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出版当年[2018]版:
大类 | 1 区 工程技术
小类 | 1 区 化学综合 1 区 物理化学 1 区 材料科学:综合 1 区 物理:应用 2 区 纳米科技 2 区 物理:凝聚态物理
最新[2023]版:
大类 | 1 区 材料科学
小类 | 1 区 化学:综合 1 区 物理化学 1 区 材料科学:综合 1 区 纳米科技 1 区 物理:应用 1 区 物理:凝聚态物理
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出版当年[2017]版:
Q1 CHEMISTRY, MULTIDISCIPLINARY Q1 PHYSICS, CONDENSED MATTER Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Q1 NANOSCIENCE & NANOTECHNOLOGY Q1 CHEMISTRY, PHYSICAL Q1 PHYSICS, APPLIED
最新[2023]版:
Q1 NANOSCIENCE & NANOTECHNOLOGY Q1 CHEMISTRY, MULTIDISCIPLINARY Q1 CHEMISTRY, PHYSICAL Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Q1 PHYSICS, APPLIED Q1 PHYSICS, CONDENSED MATTER

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第一作者机构: [1]Department of Mechanical Engineering, University of Houston, Houston, TX 77204-2004, USA [2]Materials Science and Engineering Program, University of Houston, Houston, TX 77204, USA [3]Advanced Manufacturing Institute (AMI), University of Houston, Houston, TX 77204, USA [4]Texas Center for Superconductivity at UH (TcSUH), University of Houston, Houston, TX 77204, USA
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通讯机构: [1]Department of Mechanical Engineering, University of Houston, Houston, TX 77204-2004, USA [2]Materials Science and Engineering Program, University of Houston, Houston, TX 77204, USA [3]Advanced Manufacturing Institute (AMI), University of Houston, Houston, TX 77204, USA [4]Texas Center for Superconductivity at UH (TcSUH), University of Houston, Houston, TX 77204, USA
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