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Conformable Wearable Electrodes: From Fabrication to Electrophysiological Assessment
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基于Ag片的高导电性生物粘合剂用于多功能表皮电子产品.

Zujian Li1, Weichang Xie2, Tienan Zhao1

  • 1State Key Laboratory of Synergistic Chem-Bio Synthesis, School of Chemistry and Chemical Engineering, Zhangjiang Institute for Advanced Study, National Center for Translational Medicine, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University, Shanghai, P. R. China.

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概括

研究人员开发了一种用于可穿戴电子产品的新导电墨水. 这种先进的材料具有高导电性和强大的皮肤粘附性,同时与乙醇生物相容和可拆卸,从而使更好的生物电子设备成为可能.

关键词:
年龄 片 片导电粘合剂是一种导电粘合剂.皮肤表皮层电子产品一个超分子聚合物网络.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物医学工程 生物医学工程
  • 聚合物化学 聚合物化学

背景情况:

  • 坚固的皮肤电子接口对于可穿戴生物电子设备至关重要,尤其是在运动期间.
  • 在现场制造生物相容电子产品可以改善皮肤的整合,但面临着挑战.
  • 现有的导电性油墨在导电性,粘附性,耐用性和可拆卸性之间有权衡.

研究的目的:

  • 开发一种用于先进的皮肤电子接口的新型导电墨水.
  • 为了克服当前现场打印导电材料的局限性.
  • 为了实现表皮电子设备的可靠和合规集成.

主要方法:

  • 开发了一种基于粘弹性高分子聚合物的导电粘合墨水 (AgBioA).
  • 通过结合成了一个动态交叉连接的超分子网络,使用α-酸 (LA),1,3-二二烯基 (DIB) 和酸 (CA).
  • 嵌入的银片用于聚合物网络内的导电性.

主要成果:

  • AgBioA 实现了高电导率 (>15,000 S cm−1).
  • 证明了强大的皮肤粘附性 (∼3 N cm-1),卓越的环境稳定性和卓越的生物相容性.
  • 展示了以乙醇触发的按需溶解和成功制造表皮器件 (ECG,EDA,PPG传感器).

结论:

  • AgBioA墨水提供了高导电性,强粘合性和受控可移动性的独特组合.
  • 动态交联的超分子网络设计确保了强大的接口接触和可靠的导电性.
  • 这种材料可以开发出先进的,完全集成的表皮电子设备,用于生理监测.