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使用干聚合物电极进行表面电肌学.

Nicolas Steenbergen1, Ivan Busha1, Alexis Morgan1

  • 1Department of Bioengineering, Imperial College London, London SW7 2BP, United Kingdom.

APL bioengineering
|September 14, 2023
PubMed
概括
此摘要是机器生成的。

使用PEDOT:PSS的新干导电弹性体电极与传统湿电极的性能相匹配,用于电肌学 (EMG) 和表面EMG (sEMG) 记录. 这些先进的干电极为连续可穿戴监控提供了方便和耐用性.

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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
  • 神经科学是一个神经科学.

背景情况:

  • 传统的湿式Ag/AgCl电极是生物潜能测量的标准,但具有广泛的皮肤准备和短期使用等局限性.
  • 干电极为表面电肌学 (sEMG) 提供了优势,因为它具有方便性,耐用性和适合连续监测.

研究的目的:

  • 探索基于PEDOT:PSS在聚氨中的导电弹性质体 (CE) 作为干燥,与皮肤接触的电极用于EMG记录.
  • 为了比较这些新型干式CE电极与商业湿式Ag/AgCl电极的性能.

主要方法:

  • 在聚氨矩阵内开发了使用PEDOT:PSS的干导弹性弹性体电极.
  • 在五个实验对象身上测试了电极,他们执行了四种不同的动作 (打开手,拳头,手腕伸展,手腕曲).
  • 利用反向传播的人工神经网络根据记录的EMG信号对运动进行分类.

主要成果:

  • 干导弹性弹性体电极实现了99.5%的运动分类精度.
  • 商用湿式Ag/AgCl电极实现了98.7%的分类精度.
  • 基于PEDOT的干CEs表现出与Ag/AgCl电极相当的性能.

结论:

  • 基于干燥PEDOT的导电弹性弹性体电极对于在皮肤上进行EMG记录是有效的.
  • 这些干电极克服了湿电极的局限性,允许最小的皮肤制备和无凝的长期可穿戴应用.