Multiwall Carbon Nanotube/Polydimethylsiloxane Composites-Based Dry Electrodes for Bio-Signal Detection

Puneet Sharma;Suraj Baloda;Deepak Verma;Vijay Janyani;Ritu Sharma;Navneet Gupta
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Abstract

Continuous, stable, and long-term monitoring of bio-signals, such as electrocardiogram (ECG) and electromyography (EMG), are utmost important in healthcare sector. In this work, we developed a multiwall carbon nanotubes (MWCNTs)/polydimethylsiloxane (PDMS) composites based bio-electrodes using a simple, low-cost, and solution-process method. The fabricated MWCNTs/PDMS composites electrode exhibited comparable electrode–skin impedance to conventional silver/silver chloride (Ag/AgCl) electrodes over the frequency range of 20 Hz–1 kHz. In addition, our developed electrodes has the ability to be applied on the skin in dry form without needing an intermediate gel layer or skin preparation. The results show that the MWCNT-/PDMS-based dry electrodes were efficient to acquire a real-time ECG signals. The fabricated electrodes showed better performance compared to the commercially available Ag/AgCl electrode in ECG and EMG measurements. The obtained results shows that the proposed dry bio-electrodes has a promising application in electronic/mobile health applications and wearable health monitoring applications.
基于多壁碳纳米管/聚二甲基硅氧烷复合材料的生物信号检测干电极
对心电图(ECG)和肌电图(EMG)等生物信号的连续、稳定和长期监测在医疗保健领域至关重要。在这项工作中,我们采用一种简单、低成本的溶液工艺方法,开发了一种基于多壁碳纳米管(MWCNTs)/聚二甲基硅氧烷(PDMS)复合材料的生物电极。制成的 MWCNTs/PDMS 复合材料电极在 20 Hz-1 kHz 频率范围内表现出与传统银/氯化银(Ag/AgCl)电极相当的电极-皮肤阻抗。此外,我们开发的电极无需中间凝胶层或皮肤制备,可干式应用于皮肤。结果表明,基于 MWCNT/PDMS 的干式电极能有效采集实时心电信号。在心电图和肌电图测量中,与市售的银/氯化银电极相比,制作的电极表现出更好的性能。这些结果表明,所提出的干式生物电极在电子/移动健康应用和可穿戴健康监测应用中具有广阔的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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