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可伸缩的Ag/AgCl纳米线干电极,用于高质量的多模式生物电子传感.

Tianyu Wang1, Shanshan Yao2, Li-Hua Shao1

  • 1National Key Laboratory of Strength and Structural Integrity, Institute of Solid Mechanics, School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China.

Sensors (Basel, Switzerland)
|October 26, 2024
PubMed
概括

研究人员开发了一种灵活的,可伸缩的干电极,使用Ag/AgCl纳米线进行生物电信号监测. 这种舒适的替代湿电极提供高质量的心电图 (ECG),心电图 (EMG) 和脑电图 (EEG) 信号.

关键词:
生物电信号测量方法干电极的电极是干的电心电图 (ECG) 是一种心电图.一个电脑电图 (electroencephalogram) 是一个电脑电图.一个电心图 (electromyogram) 是一个电心图.

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科学领域:

  • 生物医学工程 生物医学工程
  • 材料科学 材料科学 材料科学
  • 可穿戴技术可穿戴技术

背景情况:

  • 生物电信号测量对于健康监测和诊断至关重要.
  • 传统的湿电极会引起皮肤刺激,缺乏灵活性.
  • 需要舒适,高性能干电极.

研究的目的:

  • 开发一个成本效益高,用户友好的可伸缩干电极.
  • 将其性能与商业湿电极进行ECG,EMG和EEG的比较.
  • 评估其适用于持续健康监测的适度.

主要方法:

  • 在PDMS中使用Ag/AgCl纳米线制造可伸缩干电极.
  • 使用ECG,EMG和EEG信号与商业湿电极的性能比较.
  • 分析信号与噪声比率 (SNR),信号质量指数 (SQI) 和心率变化率 (HRV).

主要成果:

  • Ag/AgCl纳米线电极显示出比商业湿电极更高的SNR.
  • 获得了与湿电极相当的高质量心电图信号.
  • 获得了敏感且可靠的EMG和EEG记录,包括α波.

结论:

  • 开发的可伸缩干电极提供了增强的舒适性和便利性.
  • 它为在曲表面的生物信号监测提供了高灵敏度和可靠性.
  • 这项技术为临床诊断和持续健康监测提供了一个有希望的替代方案.