A single-step simultaneous protein staining procedure for polyacrylamide gels and nitrocellulose membranes by Alta during western blot analysis - PubMed

A single-step simultaneous protein staining procedure for polyacrylamide gels and nitrocellulose membranes by Alta during western blot analysis

Jayanta K Pal et al. Methods Mol Biol. 2012.

Abstract

A simple method for staining of proteins simultaneously on sodium dodecyl sulfate (SDS) polyacrylamide gels and nitrocellulose membranes by Alta during western blot analysis is described. A 5% solution of Alta, a commercially available cosmetic preparation, is added in the upper tank buffer during electrophoresis. On completion of electrophoresis, the gel is washed in distilled water and viewed on a white light plate and a transilluminator to photograph the protein profiles. The gel is processed for western blot transfer of proteins onto a nitrocellulose membrane, and upon completion, the protein profiles on the membrane are viewed and photographed as stated above. The membrane can then be processed for immunostaining as per the standard procedure. Thus, the staining procedure using Alta is simple, rapid (without any need of destaining), and cost-effective.

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