---
title: "Gel electrophoresis: research glossary | Sable Peptides"
description: "Gel electrophoresis separates molecules such as proteins and nucleic acids according to size and charge as they migrate through a gel matrix under an elect"
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publisher: Sable Peptides Limited (UK company 17488610)
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Glossary

# Gel electrophoresis

Gel electrophoresis separates molecules such as proteins and nucleic acids according to size and charge as they migrate through a gel matrix under an electric field. SDS-PAGE is used for proteins, while specialised tricine gels improve resolution of small proteins and larger peptides.

Source: [en.wikipedia.org](https://en.wikipedia.org/wiki/Gel_electrophoresis)

## Related terms

-   [Resolution](/glossary/resolution)

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