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相关概念视频

Cell-matrix's Response to Mechanical Forces01:13

Cell-matrix's Response to Mechanical Forces

In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue. 
Anchoring junctions mechanically attach a cell to the...

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相关实验视频

Updated: Jul 14, 2026

Optimizing Attachment of Human Mesenchymal Stem Cells on Poly(ε-caprolactone) Electrospun Yarns
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双响应的MXene功能化的羊毛线人工肌肉.

Liuxiang Zhan1,2,3, Shaohua Chen3, Yangyang Xin3

  • 1Shanghai Frontier Science Research Center for Advanced Textiles, College of Textiles, Donghua University, Shanghai, 201620, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|April 23, 2024
PubMed
概括

研究人员使用羊毛中的MXene/纤维素纳米纤维开发了双响应的肌肉. 这些人造肌肉表现出高的驱动力,对湿度和光线做出反应,用于智能织品和软机器人.

关键词:
这就是MXene MXene.人造肌肉是人工肌肉.光热执行器光热执行器智能织品是一种智能织品.羊毛和羊毛是不同的.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 织工程 织工程 织工程
  • 纳米技术 纳米技术

背景情况:

  • 基于纤维的人工肌肉为智能织品提供了潜力,但在变形,刺激和舒适性方面存在局限性.
  • 当前的人工肌肉在可穿戴技术和工程领域的实际应用中扎.

研究的目的:

  • 制造具有高收缩作用的双响应肌,用于先进的智能织品.
  • 克服现有的人工肌肉在可穿戴和工程应用中的局限性.

主要方法:

  • 将Ti3C2Tx MXene/纤维素纳米纤维 (CNF) 复合材料纳入自我折叠和扭曲的羊毛线.
  • 通过同体性或异体性卷轴制造类似弹的肌肉.
  • 使用水分和光热刺激来执行.
  • 通过实验和有限元模拟来澄清执行机制.

主要成果:

  • 亚麻肌肉表现出能够举起超过自己体重3400倍的负荷的能力.
  • 在光热刺激下,弹状的筋在光热刺激下实现了超过550%的延长和83%的收缩.
  • MXene/CNF复合材料作为有效的光热和湿透剂,加速水蒸发和吸收水分.

结论:

  • 双响应筋为软执行器提供了低成本,可扩展和强大的解决方案.
  • 这些人工肌肉对智能织品,自适应性织品,软机器人和可穿戴信息加密具有吸引力.
  • 开发的材料为先进的可穿戴设备和工程应用提供了有前途的途径.