| Issue |
BIO Web Conf.
Volume 111, 2024
2024 6th International Conference on Biotechnology and Biomedicine (ICBB 2024)
|
|
|---|---|---|
| Article Number | 03016 | |
| Number of page(s) | 4 | |
| Section | Medical Testing and Health Technology Integration | |
| DOI | https://doi.org/10.1051/bioconf/202411103016 | |
| Published online | 31 May 2024 | |
Electrodes for Stable Electrophysiological Signal Monitoring
Guangxi Normal University, Guangxi, 541004, China
* Corresponding author: qiantu@stu.gxnu.edu.cn
Epidermal electronic components have received much attention for their potential in personal healthcare and human-machine interaction (HMI). However, their low conductivity hinders their practical applications. Here, we developed a multifunctional flexible dry epidermal electrode for biopotential recording using modified poly(3,4-ethylenedioxythiophene) (PEDOT:PSS) doped with Polyethylene glycol(PEG). PEG was introduced into PEDOT:PSS to enhance its conductivity. We prepared electrodes with a high conductivity of 130 S/cm and 23% tensile strength. The electrodes conform well to the morphology of human skin and therefore form a stable and intimate interface with the skin, resulting in low contact impedance between the electrode and the skin and high-quality recording of biopotentials. It is capable of accurately recording electrocardiogram (ECG), electrooculogram (EOG), and electromyogram (EMG) signals.
© The Authors, published by EDP Sciences, 2024
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