Graphite Based Electrode for ECG Monitoring: Evaluation under Freshwater and Saltwater Conditions
AbstractWe proposed new electrodes that are applicable for electrocardiogram (ECG) monitoring under freshwater- and saltwater-immersion conditions. Our proposed electrodes are made of graphite pencil lead (GPL), a general-purpose writing pencil. We have fabricated two types of electrode: a pencil lead solid type (PLS) electrode and a pencil lead powder type (PLP) electrode. In order to assess the qualities of the PLS and PLP electrodes, we compared their performance with that of a commercial Ag/AgCl electrode, under a total of seven different conditions: dry, freshwater immersion with/without movement, post-freshwater wet condition, saltwater immersion with/without movement, and post-saltwater wet condition. In both dry and post-freshwater wet conditions, all ECG-recorded PQRST waves were clearly discernible, with all types of electrodes, Ag/AgCl, PLS, and PLP. On the other hand, under the freshwater- and saltwater-immersion conditions with/without movement, as well as post-saltwater wet conditions, we found that the proposed PLS and PLP electrodes provided better ECG waveform quality, with significant statistical differences compared with the quality provided by Ag/AgCl electrodes. View Full-Text
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Thap, T.; Yoon, K.-H.; Lee, J. Graphite Based Electrode for ECG Monitoring: Evaluation under Freshwater and Saltwater Conditions. Sensors 2016, 16, 542.
Thap T, Yoon K-H, Lee J. Graphite Based Electrode for ECG Monitoring: Evaluation under Freshwater and Saltwater Conditions. Sensors. 2016; 16(4):542.Chicago/Turabian Style
Thap, Tharoeun; Yoon, Kwon-Ha; Lee, Jinseok. 2016. "Graphite Based Electrode for ECG Monitoring: Evaluation under Freshwater and Saltwater Conditions." Sensors 16, no. 4: 542.
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