Document Detail


Nanofiber web textile dry electrodes for long-term biopotential recording.
MedLine Citation:
PMID:  23853303     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Electrode properties are key to the quality of measured biopotential signals. Ubiquitous health care systems require long-term monitoring of biopotential signals from normal volunteers and patients in home or hospital environments. In these settings it is appropriate to use dry textile electrode networks for monitoring purposes, rather than the gel or saline-sponge skin interfaces used with Ag/AgCl electrodes. In this study, we report performance test results of two different electrospun conductive nanofiber webs, and three metal plated fabrics. We evaluated contact impedance, step response, noise and signal fidelity performance indices for all five dry electrodes, and compared them to those of conventional Ag/AgCl electrodes. Overall, we found nanofiber web electrodes matched Ag/AgCl electrode performance more closely than metal plated fabric electrodes, with the contact resistance and capacitance of Ag plated PVDF nanofiber web electrodes being most similar to Ag/AgCl over the 10 Hz to 500 kHz frequency range. We also observed that step responses of all three metal-plated fabrics were poorer than those for nanofiber web electrodes and Ag/AgCl. Further, noise standard deviation and noise power spectral densities were generally lower in nanofiber web electrodes than metal plated fabrics; and waveform fidelity of ECG-like traces recorded from nanofiber web electrodes was higher than for metal plated fabrics. We recommend textile nanofiber web electrodes in applications where flexibility, comfort and durability are required in addition to good electrical characteristics.
Authors:
Tong Inoh; Sun Yoon; Tae Eui Kim; Hun Wi; Kap Jin Kim; Eung Je Woo; Rosalind J Sadleir
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  IEEE transactions on biomedical circuits and systems     Volume:  7     ISSN:  1940-9990     ISO Abbreviation:  IEEE Trans Biomed Circuits Syst     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-07-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101312520     Medline TA:  IEEE Trans Biomed Circuits Syst     Country:  United States    
Other Details:
Languages:  eng     Pagination:  204-11     Citation Subset:  IM    
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