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Related Concept Videos

Adhesion01:14

Adhesion

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 glass...
Tension Response at Adherens Junctions01:26

Tension Response at Adherens Junctions

The adherens junctions that anchor cells together are multi-protein complexes that dynamically adapt to mechanical stimuli such as tensile forces and shear stress. Mechanosensory proteins in these junctions can sense such mechanical stimuli and undergo a shift in their conformation, resulting in an altered function — a process called mechanotransduction.
α-Catenin as a Mechanosensory Protein
The α-catenin of adherens junctions is an allosteric protein with three VH (vinculin homology) domains...
Adherens Junctions01:24

Adherens Junctions

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
The endothelial cells...
Frictional Force01:07

Frictional Force

When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
Anchoring Junctions01:03

Anchoring Junctions

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:...
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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Related Experiment Video

Updated: Jun 21, 2026

Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization
08:02

Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization

Published on: July 3, 2018

Adhesion transition of flexible sheets.

Arthur A Evans1, Eric Lauga

  • 1Department of Physics, University of California, San Diego, La Jolla, CA 92093-0354, USA. aevans@physics.ucsd.edu

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|August 8, 2009
PubMed
Summary

This study models dry adhesion between flexible sheets, revealing that phase transitions depend on a bending parameter. The interaction potential and sheet geometry influence adhesion order and hysteresis.

Area of Science:

  • Physics
  • Materials Science
  • Surface Science

Background:

  • Intermolecular forces drive adhesion between solid bodies.
  • Macroscale experiments demonstrate hysteretic adhesion in flexible tape systems.

Purpose of the Study:

  • To develop a model for far-field dry adhesion between two flexible sheets.
  • To investigate the influence of interaction potential and bending stiffness on adhesion transitions.

Main Methods:

  • Modeling of dry adhesion using a power-law potential.
  • Analysis of phase transitions based on a dimensionless bending parameter.

Main Results:

  • Adhesion transitions are governed by the ratio of interaction strength to bending stiffness.

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Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

Published on: November 9, 2012

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Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization
08:02

Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization

Published on: July 3, 2018

Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices
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Using Adhesive Patterning to Construct 3D Paper Microfluidic Devices

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Flexural Rigidity Measurements of Biopolymers Using Gliding Assays
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Flexural Rigidity Measurements of Biopolymers Using Gliding Assays

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  • The nature of adhesion transitions (order, hysteresis) depends on the interaction potential.
  • Multi-sheet interactions introduce geometrical factors influencing adhesion hierarchy.

    • Conclusions:

    • A theoretical framework for understanding flexible sheet adhesion is established.
    • The study highlights the critical role of material properties and geometry in adhesion phenomena.