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Updated: Jun 12, 2026
06:24
Fluorescent Silver Staining of Proteins in Polyacrylamide Gels
Published on: April 21, 2019
Recovery of proteins from dried polyacrylamide gels after fluorography
1Department of Biological Chemistry, School of Medicine, University of California, Davis, California.
Methods in Molecular Biology (Clifton, N.J.)
|June 1, 2010
Abstract:
Several methods are available for recovering proteins electrophoretically from polyacrylamide gels directly after electrophoresis or after staining for protein (see, for example, Chapter 19 ). Fluorography (see Chapter 17 ) is used to detect small amounts of proteins or specifically modified forms of proteins by labeling these with specific precursors such as (3)H-lysine or (3)H-acetate.
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01:22Two-dimensional Gel Electrophoresis
Two-dimensional gel electrophoresis is a high-resolution protein separation method first introduced by O' Farrell and Klose in 1975. This method involves protein separation by two dimensions, mass and charge, making it more accurate than one-dimensional gel electrophoresis.
The first dimension separation uses the isoelectric focusing or IEF technique performed on immobilized pH gradient (IPG) strips that separate proteins according to their isoelectric points.
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Biological samples, such as cells...
01:27SDS-PAGE
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 proteins...
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 proteins...