Five day attachment ECG electrodes for longitudinal bio-sensing using conformal tattoo substrates

Casson, A.J., Saunders, Rachel, Batchelor, John C. (2016) Five day attachment ECG electrodes for longitudinal bio-sensing using conformal tattoo substrates. IEEE Sensors Journal, 17 (7). pp. 2205-2214. ISSN 1530-437X. (doi:10.1109/JSEN.2017.2650564)

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Abstract

State-of-the-art ECG (electrocardiography) uses wet Silver/Silver-Chloride (Ag/AgCl) electrodes where a conductive gel is used to provide a esistive, low impedance, connection to the skin. These electrodes are very easy to apply, but have a significant number of limitations for personalized and preventative healthcare. In particular that the gel dries out giving a limited connection time. This paper presents ECG electrodes manufactured using the inkjet printing of Silver nanoparticles onto a conformal tattoo substrate. The substrate maintains a high quality connection to the body for many days at a time allowing ECG monitoring over periods not previously possible without electrode re-attachment. The design and manufacture of the conformal electrodes is presented, together with detailed characterization of the electrode performance in terms of the Signal to Noise Ratio and baseline wander. The Signal to Noise Ratio is shown to still be over 30 dB five days after the initial electrode attachment.

Item Type: Article
DOI/Identification number: 10.1109/JSEN.2017.2650564
Projects: [UNSPECIFIED] Sustainable Digital Fabrication of Low Energy Passive Wireless Sensors
Uncontrolled keywords: Electrocardiogram (ECG), Conformal sensors, Inkjet printing, Longitudinal bio-sensing.
Subjects: R Medicine > R Medicine (General) > R119.9 Telecommunication in medicine, Telemedicine
T Technology > TS Manufactures
Divisions: Faculties > Sciences > School of Engineering and Digital Arts
Faculties > Sciences > School of Engineering and Digital Arts > Broadband & Wireless Communications
Depositing User: John Batchelor
Date Deposited: 12 Jan 2017 13:09 UTC
Last Modified: 29 May 2019 18:32 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/59846 (The current URI for this page, for reference purposes)
Batchelor, John C.: https://orcid.org/0000-0002-5139-5765
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