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Recent Progress in Wireless Sensors for Wearable Electronics
Open AccessArticle

Textile-Friendly Interconnection between Wearable Measurement Instrumentation and Sensorized Garments—Initial Performance Evaluation for Electrocardiogram Recordings

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Swedish School of Textiles, University of Borås, 501 90 Borås, Sweden
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Department of Medical Care Technology, Karolinska University hospital, 14 157 Huddinge, Sweden
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Institute for Clinical Science, Intervention and Technology, Karolinska Institutet, 141 57 Huddinge, Sweden
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Department of Electrical Engineering, Chalmers University of Technology, 412 96 Göteborg, Sweden
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RISE Research Institutes of Sweden, Box 857, 501 15 Borås, Sweden
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School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, 141 57 Huddinge, Sweden
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(20), 4426; https://doi.org/10.3390/s19204426
Received: 31 August 2019 / Revised: 2 October 2019 / Accepted: 9 October 2019 / Published: 12 October 2019
(This article belongs to the Special Issue Wearable Soft Sensors)
The interconnection between hard electronics and soft textiles remains a noteworthy challenge in regard to the mass production of textile–electronic integrated products such as sensorized garments. The current solutions for this challenge usually have problems with size, flexibility, cost, or complexity of assembly. In this paper, we present a solution with a stretchable and conductive carbon nanotube (CNT)-based paste for screen printing on a textile substrate to produce interconnectors between electronic instrumentation and a sensorized garment. The prototype connectors were evaluated via electrocardiogram (ECG) recordings using a sensorized textile with integrated textile electrodes. The ECG recordings obtained using the connectors were evaluated for signal quality and heart rate detection performance in comparison to ECG recordings obtained with standard pre-gelled Ag/AgCl electrodes and direct cable connection to the ECG amplifier. The results suggest that the ECG recordings obtained with the CNT paste connector are of equivalent quality to those recorded using a silver paste connector or a direct cable and are suitable for the purpose of heart rate detection. View Full-Text
Keywords: conductive polymers; wearable technology; smart textiles; textile–electronic integration conductive polymers; wearable technology; smart textiles; textile–electronic integration
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Seoane, F.; Soroudi, A.; Lu, K.; Nilsson, D.; Nilsson, M.; Abtahi, F.; Skrifvars, M. Textile-Friendly Interconnection between Wearable Measurement Instrumentation and Sensorized Garments—Initial Performance Evaluation for Electrocardiogram Recordings. Sensors 2019, 19, 4426.

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