在消散材料中相互连接空间维度和运动过程,以创建具有真实功能的人造系统
Oleg E Shklyaev1, Anna C Balazs2
1Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA, USA.
Nature nanotechnology
|December 6, 2023
概括
研究人员正在开发自我维持的产品.
科学领域:
- 材料科学 材料科学 材料科学
- 生物仿真工程 生物仿真工程
- 化学工程是化学工程的重要组成部分.
背景情况:
- 生物系统有效地转化能量,以求生存.
- 目前的合成材料缺乏自主,自我维持的功能.
- 大自然为自动供电,适应性材料系统提供了一个蓝图.
研究的目的:
- 探索消散材料设计的进步和挑战.
- 创建模仿生物自我维持功能的合成材料.
- 激发下一代功能性的"生活"材料.
主要方法:
- 为生物系统 (新陈代谢,血管系统等) 设计合成类似物. ) 的情况.
- 建立连接跨长度和时间尺度的结构和运动性质的设计规则.
- 利用材料内部的内在动态相互作用来实现自动供电的功能.
主要成果:
- 在创造具有自我维持和自主功能的材料方面取得了进展.
- 确定合成系统中能源转换和传输的关键设计原则.
- 通过内在的动态相互作用来证明材料执行工作.
结论:
- 在散热材料设计方面取得了重大进展.
- 需要进一步的研究才能充分实现具有生物样自主性的"活"材料.
- 在不同尺度上相互连接材料属性对于全球功能至关重要.
相关概念视频
Two-Dimensional Force System
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Three-Dimensional Force System
In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
Three-Dimensional Force System:Problem Solving
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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Virtual Work for a System of Connected Rigid Bodies
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
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One-Degree-of-Freedom System
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
Fluid Movement Between Compartments
The force applied by fluids against a surface, known as hydrostatic pressure, initiates the transfer of fluid among different compartments. Within our blood vessels, the blood's hydrostatic pressure is a result of the heart's pumping action. At the arteriolar end of capillaries, hydrostatic pressure (capillary blood pressure) exceeds the opposing colloid osmotic pressure created primarily by plasma proteins like albumin. This discrepancy in pressure propels plasma and nutrients from the...


