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Gel Fixation and SYPRO™ Ruby Staining


  • Methanol
  • Acetic acid
  • Fixative/Destain Solution (see recipe below)
  • SYPRO Ruby™ protein gel stain (Molecular Probes or Bio-Rad)

Reagents and Solutions:

Fixative/Destain Solution:

  • 10% methanol
  • 7% acetic acid

(Prepare with Milli-Q H2O)


1. Remove gel from plates. Rinse in dI H2O. Fix gel in fixative/destain for 30 minutes with shaking at RT.

2. Rinse gel in dI H2O. Stain with SYPRO Ruby for a minimum of 3 hrs or stain overnight on a shaker at RT. Since SYPRO Ruby is a fluorescent stain, the gel should be covered with foil to protect from light.

3. Rinse with deIonized H2O. Destain for 30 minutes using fixative/destain on a shaker at RT.

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