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相关概念视频

Adhesion01:14

Adhesion

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Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
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Fixed Action Patterns01:06

Fixed Action Patterns

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A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
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Cell Adhesion in Plants01:14

Cell Adhesion in Plants

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Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
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Anchoring Junctions01:03

Anchoring Junctions

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Anchoring junctions are multiprotein complexes that help cells connect to other cells and the extracellular matrix. Anchoring junctions are present on the lateral and basal surfaces of cells, providing strong and flexible connections. Focal adhesions are often formed due to cell interactions with the ECM substrata, which initiate signal transduction via kinase cascades and other mechanisms. Together, they provide stability and tissue integrity. There are three types of anchoring junctions:...
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Adherens Junctions01:24

Adherens Junctions

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Strong contact points between adjacent cells anchor them to each other, forming tissues. Such anchoring junctions are of two types –  adherens junctions and desmosomes. Adherens junctions are abundant in tissues such as  epithelium and endothelium, forming a continuous zone of adhesion called the adhesion belt. In other tissues, such as  heart muscle, they appear as clusters, linking the cells to produce coordinated heart muscle contraction.
Adherens Junctions are Dynamic
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Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

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Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
CAM Families
The Integrin family of proteins is primarily  involved...
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鱼类的粘附行为:从结构到应用

Jinhao Wang1,2,3, Shukun Wang2, Long Zheng1,3

  • 1Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China.

Biomimetics (Basel, Switzerland)
|November 24, 2023
PubMed
概括
此摘要是机器生成的。

这项研究以鱼的粘附力为灵感,探讨了水下粘附机制. 它分析生物结构和生物应用,以改进水下抓捕和运动技术.

关键词:
粘附的鱼是粘附的鱼.粘附机制 粘附机制 粘附机制生物体应用 生物体应用这是分类分类的分类.水下系统水下系统.

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科学领域:

  • 仿生学和生物启发的工程.
  • 水生生物学 水生生物学
  • 材料科学 材料科学 材料科学

背景情况:

  • 某些鱼类表现出了显著的水下粘附能力.
  • 这种粘附对于生存至关重要,使得食,躲藏和移动等功能成为可能.
  • 专门的口腔和吸管组织促进了这种强大的水下附着.

研究的目的:

  • 提供鱼类水下粘附机制的概述.
  • 探索灵感来自于这些自然粘附系统的生物应用.
  • 分析鱼类粘附器官的结构和功能.

主要方法:

  • 对生物原型的审查 (例如,鱼,雷莫拉,加拉,吸嘴鱼,山溪,戈比).
  • 对这些物种使用的水下粘附机制的分析.
  • 检查生物设计和来自鱼的粘附的应用.

主要成果:

  • 详细介绍各种鱼类的粘附器官和结构.
  • 分析使水下粘附力强的特定机制.
  • 仿生应用的例子,包括柔性抓取盘和运动装置.

结论:

  • 了解鱼类的粘附,可以了解有效的水下粘附.
  • 从鱼类中获得的生物应用可以导致抓捕和移动的新技术.
  • 讨论了该领域的未来研究方向和局限性.