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相关概念视频

Mechanism of Ciliary Motion01:05

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The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
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Mechanisms of Membrane-bending01:15

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The living membranes are flexible due to their fluid mosaic nature; however, their bending into different shapes is an active process regulated by specific lipids and proteins. The membrane bending can be transient as seen in vesicles or stable for a long time as in microvilli. Cells regulate the size, location, and duration of the membrane curvature.
Membrane bending can happen due to intrinsic changes in lipid composition or extrinsic association with different proteins. The proteins involved...
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相关实验视频

Updated: Jun 19, 2025

Cardiac Muscle Cell-based Actuator and Self-stabilizing Biorobot - Part 2
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在人造肌肉中的光驱动多方向曲

Zahra Madani1, Pedro E S Silva1, Hossein Baniasadi2

  • 1Department of Chemistry and Materials Science, School of Chemical Engineering, Aalto University, Kemistintie 1, Espoo, 02150, Finland.

Advanced materials (Deerfield Beach, Fla.)
|July 24, 2024
PubMed
概括
此摘要是机器生成的。

研究人员开发了光激活的聚合物执行器,使软机器人和活跃织品能够快速,多方向曲. 这些人造肌肉提供无线控制和自主寻光能力,推进生物仿真技术.

关键词:
执行器 执行器 执行器人造肌肉是人工肌肉.智能织品 智能织品是什么

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09:33

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Free-form Light Actuators &#8212; Fabrication and Control of Actuation in Microscopic Scale
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科学领域:

  • 材料科学 材料科学 材料科学
  • 机器人技术 机器人技术 机器人技术
  • 聚合物科学 聚合物科学

背景情况:

  • 聚合物执行器在软机器人和活性织品中提供了无线控制的潜力.
  • 以光驱动的驱动使空间选择性和复杂的运动成为可能.
  • 现有的系统往往缺乏快速响应时间或精确的方向控制.

研究的目的:

  • 将光热组件集成到形状记忆的聚合物执行器中.
  • 为了实现由光控制的命令式多方向曲.
  • 为了展示先进的功能,如自主光寻找和快速激活.

主要方法:

  • 使用光热元件制造绕式人造肌肉.
  • 控制的照明有不同的强度和奇拉度,以诱导曲.
  • 将执行器集成到织结构中进行功能演示.

主要成果:

  • 在人工肌肉中实现了命令式的多方向曲,可通过光强度和心态控制.
  • 证明曲方向性是通过局部解来实现的,独立于固有的材料特性.
  • 显示的响应时间高达1秒,比生物系统快得多.
  • 在织应用中展示了可逆和持续的驱动,包括在旋转平台上对光源的自主导向.

结论:

  • 开发的光热聚合物执行器代表了人工肌肉技术的突破.
  • 这些执行器提供快速,可编程和无线控制的适应变形软系统的执行.
  • 这项技术对先进的软机器人,活性织品和仿生应用具有重大前景.