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Adhesion

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...

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Related Experiment Video

Updated: Jun 2, 2026

Control of Cell Adhesion using Hydrogel Patterning Techniques for Applications in Traction Force Microscopy

Control of Cell Adhesion using Hydrogel Patterning Techniques for Applications in Traction Force Microscopy

Published on: January 29, 2022

Electric glue: electrically controlled polymer-surface adhesion.

Ann R Fornof¹, Matthias Erdmann, Ralf David

¹Applied Physics and Center for Nanoscience, Ludwig-Maximilians University, Amalienstrasse 54, Munich, Germany. ann.fornof@physik.uni-muenchen.de

|April 27, 2011

Summary

This summary is machine-generated.

Electric glue controls nanoscale polymer-surface interactions by manipulating adhesion with an electric potential. This technology enables precise control over single molecule processes at the nanoscale.

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Area of Science:

Materials Science
Nanotechnology
Physical Chemistry

Background:

Polymer-surface interactions are fundamental to nanoscale design and understanding molecular behavior.
Controlling these interactions is key for manipulating and measuring single molecule processes.

Purpose of the Study:

To explore the control of nanoscale polymer-surface interactions using a novel method.
To demonstrate the manipulation of adhesion between surfaces and single molecules.

Main Methods:

Development and application of 'electric glue' technology.
Utilizing an externally controlled electric potential to influence adhesion.

Main Results:

Demonstrated successful manipulation of polymer-surface adhesion.
Showcased the potential for controlling single molecule interactions via electric fields.

Conclusions:

Electric glue offers a new pathway for precise nanoscale control.
This approach advances the manipulation and measurement of single molecule processes.