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Comparison of Dry-Textile Electrodes for Electrical Bioimpedance Spectroscopy Measurements

Juan-Carlos Marquez ; Fernando Seoane (Institutionen för signaler och system, Medicinska signaler och system) ; Elina välimäki ; Kaj Lindecrantz
Journal of Physics: Conference Series (1742-6596). Vol. 224 (2010), 1, p. 012140.
[Konferensbidrag, refereegranskat]

Textile Electrodes have been widely studied for biopotentials recordings, specially for monitoring the cardiac activity. Commercially available applications, such as Adistar T-shirt and Textronics Cardioshirt, have proved a good performance for heart rate monitoring and are available worldwide. Textile technology can also be used for Electrical Bioimpedance Spectroscopy measurements enabling home and personalized health monitoring applications however solid ground research about the measurement performance of the electrodes must be done prior to the development of any textile-enabled EBI application. In this work a comparison of the measurement performance of two different types of dry-textile electrodes and manufacturers has been performed against standardized RedDot 3M Ag/AgCl electrolytic electrodes. 4-Electrode, whole body, Ankle-to-Wrist EBI measurements have been taken with the Impedimed spectrometer SFB7 from healthy subjects in the frequency range of 3kHz to 500kHz. Measurements have been taken with dry electrodes at different times to study the influence of the interaction skin-electrode interface on the EBI measurements. The analysis of the obtained complex EBI spectra shows that the measurements performed with textile electrodes produce constant and reliable EBI spectra. Certain deviation can be observed at higher frequencies and the measurements obtained with Textronics and Ag/AgCl electrodes present a better resemblance. Textile technology, if successfully integrated it, may enable the performance of EBI measurements in new scenarios allowing the rising of novel wearable monitoring applications for home and personal care as well as car safety.

Nyckelord: textrodes, Electrical Bioimpedance, Body composition

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Denna post skapades 2011-01-24. Senast ändrad 2017-10-03.
CPL Pubid: 136033


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Institutioner (Chalmers)

Institutionen för signaler och system, Medicinska signaler och system (2005-2017)


Elektronisk mät- och apparatteknik
Funktionella material
Medicinsk teknik

Chalmers infrastruktur