Why is polyacrylamide gel is used in electrophoresis?

Basic Clinical Laboratory Techniques 6E
6th Edition
ISBN:9781133893943
Author:ESTRIDGE
Publisher:ESTRIDGE
Chapter7: Basic Clinical Microbiology
Section7.7: Bacterial Identification And Antibiotic Susceptibility Testing
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Why is polyacrylamide gel is used in electrophoresis?

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Electrophoresis is a widely used laboratory technique for separating and analyzing charged molecules such as DNA, RNA, and proteins. The sample mixture is applied to a gel matrix and an electric field is applied across the gel. The charged molecules move through the gel matrix towards the electrode of the opposite charge, with the speed of migration being determined by the size and charge of the molecule.

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