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Surface modification of textile electrodes to improve electrocardiography signals in wearable smart garment
University of Borås, Sweden.
University of Borås, Sweden.
RISE - Research Institutes of Sweden, ICT, Acreo.
University of Borås, Sweden.
2019 (English)In: Journal of materials science. Materials in electronics, ISSN 0957-4522, E-ISSN 1573-482XArticle in journal (Refereed) Epub ahead of print
Abstract [en]

Recording high quality biosignals by dry textile electrodes is a common challenge in medical health monitoring garments. The aim of this study was to improve skin–electrode interface and enhance the quality of recorded electrocardiography (ECG) signals by modification of textile electrodes embedded in WearItMed smart garment. The garment has been developed for long-term health monitoring in patients suffering from epilepsy and Parkinson’s disease. A skin-friendly electro-conductive elastic paste was formulated to coat and modify the surface of the knitted textile electrodes. The modifications improved the surface characteristics of the electrodes by promoting a more effective contact area between skin and electrode owing to a more even surface, fewer pores, greater surface stability against touch, and introduction of humidity barrier properties. The modifications decreased the skin–electrode contact impedance, and consequently improved the recorded ECG signals obviously when low pressure was applied to the electrodes, therefore contributed to greater patient comfort. The created contact surface allowed the natural humidity of the skin/sweat to ease the signal transfer between the electrode and the body, while introducing a shorter settling time and retaining moisture over a longer time. Microscopic images, ECG signal measurements, electrode–skin contact impedance at different pressures and times, and water absorbency were measured and reported. © 2019, The Author(s).

Place, publisher, year, edition, pages
Springer New York LLC , 2019.
Keywords [en]
Electric contacts, Electrocardiography, Military textiles, Wearable technology, Barrier properties, Different pressures, Electrode contacts, Electrode interface, Health monitoring, Microscopic image, Surface characteristics, Textile electrodes, Electrodes
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-39931DOI: 10.1007/s10854-019-02047-9Scopus ID: 2-s2.0-85071499887OAI: oai:DiVA.org:ri-39931DiVA, id: diva2:1352801
Note

Funding details: Stiftelsen för Miljöstrategisk Forskning, MISTRA; Funding text 1: Open access funding provided by University of Boras. This project is a part of a multidisciplinary project, WearITmed, funded by Stiftelsen för Strategisk Forskning in Sweden, and we would like to thank all of our partners in the consortium and acknowledge the support of our colleagues at Högskolan I Borås. Swedish School of Textiles: Fernando Seoane Martinez, Emanuel Gunnarsson, Veronica Malm, Ellinor Niit, Catrin Tammjärv, Ulrika Noren, Anja Lund, Karin Rundquist. Department of Work Life and Social Welfare: Leif Sandsjö. Sahlgrenska Academy: Margit Alt Murphy, Filip Bergquist, Kristina Malmgren, Dongni Johansson, Katharina Stibrant Sunnerhagen, Bertil Rydenhag, David Krýsl, Anneli Ozanne, Katinka Almrén; RISE Acreo AB: Fredrik Ohlsson, Sara Bogren, Peter Björkholm, Amin Ojani, Borys Stoew, Kaies Daoud, John Rösevall; Swerea: Bengt Hagström, Helen Karlsson, Hans Grönquist, Kristina Hellström, Erik Nilsson, Joraine Rössler, Åsa Lundevall. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Available from: 2019-09-19 Created: 2019-09-19 Last updated: 2019-09-19Bibliographically approved

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