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拓超分子网络实现高导电性,可伸缩的有机生物电子

Yuanwen Jiang¹, Zhitao Zhang¹, Yi-Xuan Wang^1,2

¹Department of Chemical Engineering, Stanford University, Stanford, CA 94305, USA.

Science (New York, N.Y.)

|March 24, 2022

概括

研究人员利用分子工程开发出坚固,可伸缩的电子设备. 这些设备具有高导电性和可模拟性,可以与人体无集成,从而实现精确的生物信号收集和控制.

科学领域:

生物电子设备
材料科学
有机电子产品

背景情况:

伸缩生物电子设备对于人类的整合至关重要.
在这些设备中,将机械强度与电导度相结合是具有挑战性的,尤其是在小尺度上.
现有的材料往往会因为灵活性或导电性而损害性能.

研究的目的:

开发具有高机械强度和电导性的内在可伸缩生物电子设备.
为了实现细胞层面的整合,
证明这些设备在生物应用中的实用性.

主要方法:

使用拓超分子网络的分子工程.
在细胞尺度下进行直接的光模式.
本质上具有伸展性和导电性的有机材料的制造.

主要成果:

在生理环境中同时实现高导电性和裂纹发生应变.
在细胞尺度上展示了直接的光模式性.
成功收集稳定的肌电图信号并进行局部神经调节.

结论:

开发的分子工程策略有效地解了相互竞争的材料特性.
这种新材料使生物电子器件具有强度,高导电性和精确的图案.
这些进步为医疗和研究应用的复杂,综合生物电子系统铺平了道路.

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