Cited by 367Advanced Sensor and Energy Harvesting MaterialsNon-Invasive Vital Sign MonitoringWireless Body Area Networks

Self-Powered, One-Stop, and Multifunctional Implantable Triboelectric Active Sensor for Real-Time Biomedical Monitoring

Ma, Ye, Zheng, Qiang, Liu, Yang, Shi, Bojin, Xue, Xiang, Ji, Weiping, Liu, Zhuo, Jin, Yiming +9 more·2016·Nano Letters

Abstract

Operation time of implantable electronic devices is largely constrained by the lifetime of batteries, which have to be replaced periodically by surgical procedures once exhausted, causing physical and mental suffering to patients and increasing healthcare costs. Besides the efficient scavenging of the mechanical energy of internal organs, this study proposes a self-powered, flexible, and one-stop implantable triboelectric active sensor (iTEAS) that can provide continuous monitoring of multiple physiological and pathological signs. As demonstrated in human-scale animals, the device can monitor heart rates, reaching an accuracy of ∼99%. Cardiac arrhythmias such as atrial fibrillation and ventricular premature contraction can be detected in real-time. Furthermore, a novel method of monitoring respiratory rates and phases is established by analyzing variations of the output peaks of the iTEAS. Blood pressure can be independently estimated and the velocity of blood flow calculated with the aid of a separate arterial pressure catheter. With the core-shell packaging strategy, monitoring functionality remains excellent during 72 h after closure of the chest. The in vivo biocompatibility of the device is examined after 2 weeks of implantation, proving suitability for practical use. As a multifunctional biomedical monitor that is exempt from needing an external power supply, the proposed iTEAS holds great potential in the future of the healthcare industry.

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Crossref · 10.1021/acs.nanolett.6b01968

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Authors
Ma, Y., Zheng, Q., Liu, Y., Shi, B., Xue, X., Ji, W., Liu, Z., Jin, Y., Zou, Y., An, Z., Zhang, W., Wang, X., Jiang, W., Xu, Z., Wang, Z. L., Li, Z., & Zhang, H.
Affiliations
  • Second Military Medical University (CN)
  • Chinese Academy of Sciences (CN)
  • Beihang University (CN)
  • Georgia Institute of Technology (US)
Corresponding author
  • Wang, Zhong Lin
  • Li, Zhou
  • Zhang, Hao
Venue
Nano Letters
Published
2016-09-15
Volume
16
Issue
10
Pages
6042-6051
ISSN
  • 1530-6984 (ISSN-L)
  • 1530-6992
OpenAlex
W2511382772
Cited by
367
References
43
Citations by year
2026: 18 · 2025: 30 · 2024: 33 · 2023: 42 · 2022: 55 · 2021: 54 · 2020: 41 · 2019: 36 · 2018: 40 · 2017: 18
FWCI
15.08
Type
journal article
Language
en
Open access
closed
Locations
  • Nano Letters (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (30700157, 31571006, 81271707, 81370335, 81371692)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Advanced Sensor and Energy Harvesting Materials
  • Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
  • Physical Sciences › Engineering › Biomedical Engineering › Wireless Body Area Networks
Keywords
self-powered sensing, mechanical energy harvesting, arrhythmia detection, atrial fibrillation, premature ventricular contractions, heart rate monitoring, respiratory rate estimation, blood pressure estimation, blood flow velocity, biocompatibility, flexible electronics, real-time physiological monitoring
MeSH terms
Animals, Arrhythmias, Cardiac, Blood Pressure, Heart Rate, Humans, Monitoring, Physiologic, Electric Power Supplies, Prostheses and Implants

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