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Different physical properties of lipids and proteins allow them to localize and form distinct islands or domains in the membrane. Some membrane domains are formed due to protein-protein interactions, whereas others are formed due to the presence of specific lipids such as sphingolipids and sterols—for example, large proteins, such as bacteriorhodopsin, aggregate and create distinct domains.
Another mechanism for membrane domain formation involves membrane proteins interacting with...
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Updated: Jan 16, 2026

Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
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可编程的机械元结构模拟多域材料.

Yifan Yang1,2, Xiaoliang Zhang1, Ting Wang3

  • 1Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics, College of Intelligent Robotics and Advanced Manufacturing, Fudan University, Shanghai 200433, P.R. China.

Science advances
|October 3, 2025
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概括
此摘要是机器生成的。

研究人员开发了一种新的元结构,以精确控制多域材料中的微观单元安排. 这一突破为材料特性提供了新的见解,并解锁了诸如可编程形状变形等高级功能.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 材料机械学 材料机械学
  • 软物质物理学 软物质物理学

背景情况:

  • 在多域材料中精确控制微观单元的方向和分布对于它们的功能至关重要.
  • 传统的合成和建模方法在实现这些单元的灵活和精确安排方面面临挑战,这限制了对多域属性的理解和操纵.

研究的目的:

  • 呈现一种能够模仿中等尺度相变和多域材料宏观机械性质的新型元结构.
  • 通过单元单元及其空间安排的合理设计,在域结构上实现前所未有的可调性.
  • 探索和可视化复杂的中等尺度拓变形机制,并获得对材料机械性质的基本见解.

主要方法:

  • 单元单元和它们的空间布局的设计,以创建可调节的元结构.
  • 模仿中介尺度相变和多域材料的宏观机械性能.
  • 介面尺度拓变形机制的直接可视化.

主要成果:

  • 在多域材料中的域结构上实现了前所未有的可调性.
  • 通过可视化拓变形机制,提供了对机械性能的基本见解.
  • 展示了新的功能,包括机械编码/解码和可编程形状变形.

结论:

  • 建立了一个理解和设计拓调节功能多域材料的框架.
  • 开发的元结构为探索和操纵多域材料特性提供了一个强大的工具.
  • 这些发现为材料科学和工程领域的新应用铺平了道路.