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SDS-PAGE01:27

SDS-PAGE

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Gel electrophoresis is a method that separates biological macromolecules like nucleic acids or proteins by forcing them to pass through a gel matrix under an electric field.
A variation of gel electrophoresis, termed  polyacrylamide gel electrophoresis (PAGE), is commonly used for separating proteins according to their molecular size by passing them through a polyacrylamide gel. Because of the varying charges associated with amino acid side chains, PAGE can be used to separate intact...
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Related Experiment Video

Updated: Feb 2, 2026

Standardized SDS-PAGE Workflow for Personalized Protein Corona Profiling in Early Cancer Detection
10:02

Standardized SDS-PAGE Workflow for Personalized Protein Corona Profiling in Early Cancer Detection

Published on: December 19, 2025

455

Tricine-SDS-PAGE.

Syed R Haider1, Helen J Reid1, Barry L Sharp2

  • 1Department of Chemistry, Centre for Analytical Science, Loughborough University, Loughborough, UK.

Methods in Molecular Biology (Clifton, N.J.)
|November 15, 2018
PubMed
Summary
This summary is machine-generated.

We developed a simplified tricine-sodium dodecyl sulfate-polyacrylamide gel electrophoresis (tricine-SDS-PAGE) method for separating low molecular mass proteins. This improved technique enhances compatibility with detectors like ICP-MS for easier quantitative analysis.

Keywords:
Gel bufferGel mixtureLow molecular mass proteinsLow percentage gelPolyacrylamideProtein standardRunning bufferTricine-SDS-PAGE

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Area of Science:

  • Biochemistry
  • Analytical Chemistry
  • Proteomics

Background:

  • Tricine-sodium dodecyl sulfate-polyacrylamide gel electrophoresis (tricine-SDS-PAGE) is established for separating low molecular mass proteins.
  • The standard tricine-SDS-PAGE protocol can be complex and hinder protein recovery for subsequent analysis.

Purpose of the Study:

  • To present a simplified tricine-SDS-PAGE system for efficient separation of small proteins.
  • To improve the compatibility of the separation method with common analytical detectors.

Main Methods:

  • Development of a simplified tricine-SDS-PAGE protocol.
  • Utilizing lower percentage polyacrylamide gels.
  • Assessing compatibility with UV and inductively coupled plasma-mass spectrometry (ICP-MS).

Main Results:

  • The simplified tricine-SDS-PAGE effectively separates low molecular mass proteins.
  • The modified system demonstrates high compatibility with UV and ICP-MS detection.
  • Facilitates easier recovery of proteins from gels for quantitative analysis.

Conclusions:

  • The simplified tricine-SDS-PAGE offers an efficient and accessible method for small protein separation.
  • This technique is suitable for quantitative proteomic studies requiring protein recovery and sensitive detection.