Colloidal Coomassie Blue staining
- Rinse resolved gels in ultrafilter water for 5 minutes.
- Fix proteins with 10% acetic and 50% methanol for 10 minutes.
- Rinse briefly in ultrafilter water and stain for 3-12 hours in colloidal Blue stain (GelCode® blue from Pierce, cat. No. 24592 or the Colloidal Blue staining kit from Invitrogen, cat. No. LC6025)
- Destain for 1-7 hours in ultrafilter water.