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written by Michael Davidson
Electrophoresis involves the movement of electrically charged substances under the influence of an electric field. This website demonstrates electrophoresis by providing a java applet which virtually applies an electric field across an agarose or polyacrylamide electrophoresis gel in which biological macromolecules are placed. The applet shows how the molecules move and at the end of the experiment plots the logarithm of the molecular weight versus the logarithm of the distance moved.

This tutorial is one of a large collection of tutorials on electricity and magnetism available from Molecular Expressions.
Subjects Levels Resource Types
Electricity & Magnetism
- Electric Fields and Potential
= Electric Field
Modern Physics
- Biophysics
- Lower Undergraduate
- High School
- Instructional Material
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Learners
- application/java
- text/html
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Free access
© 1995 Michael W. Davidson and The Florida State University.
agarose, electrophoresis, gel, polyacrylamide
Record Creator:
Metadata instance created August 12, 2007 by swapna gurumani
Record Updated:
June 1, 2011 by Lyle Barbato
Last Update
when Cataloged:
June 15, 2006
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Record Link
AIP Format
M. Davidson, (1995), WWW Document, (
M. Davidson, Electrophoresis (1995), <>.
APA Format
Davidson, M. (2006, June 15). Electrophoresis. Retrieved June 21, 2024, from
Chicago Format
Davidson, Michael. Electrophoresis. June 15, 2006. (accessed 21 June 2024).
MLA Format
Davidson, Michael. Electrophoresis. 1995. 15 June 2006. 21 June 2024 <>.
BibTeX Export Format
@misc{ Author = "Michael Davidson", Title = {Electrophoresis}, Volume = {2024}, Number = {21 June 2024}, Month = {June 15, 2006}, Year = {1995} }
Refer Export Format

%A Michael Davidson %T Electrophoresis %D June 15, 2006 %U %O application/java

EndNote Export Format

%0 Electronic Source %A Davidson, Michael %D June 15, 2006 %T Electrophoresis %V 2024 %N 21 June 2024 %8 June 15, 2006 %9 application/java %U

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The AIP Style presented is based on information from the AIP Style Manual.

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