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相关概念视频

Motor Unit Stimulation01:20

Motor Unit Stimulation

When the neuron of a motor unit fires an action potential, it triggers a series of events, leading to a twitch contraction in the muscle fibers. The process of excitation-contraction coupling is crucial in relaying the action potential to the muscle fibers.
The latent period of contraction marks the onset of excitation-contraction coupling, when the action potential propagates across the sarcolemma, preparing the muscle fibers for contraction. As the fibers enter the contraction phase, the...

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由激光诱导的石墨烯启动的多功能运动传感器.

Bowen Deng1, Zongyuan Wang1, Weiguang Liu1

  • 1School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China.

Materials (Basel, Switzerland)
|October 14, 2023
PubMed
概括

在聚氨 (PU) 带上使用激光诱导石墨烯 (LIG) 的灵活传感器为可穿戴应用提供了增强的性能. 这种新的方法简化了LIG传输,使先进的人类运动监测和触觉感应成为可能.

科学领域:

  • 材料科学 材料科学 材料科学
  • 传感器技术 传感器技术
  • 纳米技术纳米技术

背景情况:

  • 基于激光诱导石墨烯 (LIG) 的灵活传感器正在获得吸引力.
  • 聚胺 (PI) 通常用于LIG生成,但其有限的机械可伸缩性阻碍了传感器的开发.
  • 需要改进的方法来创建基于LIG的强大和多功能灵活传感器.

研究的目的:

  • 开发一种使用医用聚氨 (PU) 带将激光诱导石墨烯 (LIG) 转移到柔性基板上的新方法.
  • 创建基于LIG/PU复合结构的高性能灵活和可穿戴传感器.
  • 展示这些传感器在人类运动监测和触觉感应方面的潜力.

主要方法:

  • 聚胺 (PI) 的激光切除产生LIG.
  • 将LIG从PI转移到医用聚氨 (PU) 磁带上.
  • 在不同激光功率和传输条件下对LIG特性进行表征.
  • 制造和优化LIG/PU应变和电容压力传感器.

主要成果:

  • 通过使用PU带建立了一个简化和节省时间的LIG传输流程.
  • 在75-90%的应变范围内,LIG/PU应变传感器实现了263.6的高度系数 (GF).
关键词:
灵活的传感器灵活的传感器激光诱导的石墨烯是一种激光.运动监控 运动监控

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  • 用LIG/PU复合结构成功设计了一种用于触觉的电容压力传感器.

    • 结论:

    • LIG/PU复合结构为高性能灵活传感器提供了一个有前途的平台.
    • 开发的方法为创建多功能传感器系统提供了一个简单,快速和低成本的方法.
    • 这些灵活的传感器在人类运动监测和体育赛事分析方面具有广泛的应用前景.