Q: Protein Staining. How to make SimplyBlue?

Dima Klenchin klenchin at REMOVE_TO_REPLY.facstaff.wisc.edu
Wed Apr 11 17:27:32 EST 2001

Woo Cheol Lee <aa96081 at mail.ecc.u-tokyo.ac.jp> wrote:
:I'm interested in staining SDS-PAGE gel with
:non-toxic reagents. I think SimplyBlue from
:Invitrogen is somewhat expensive just to
:purchase. Anyone know how to prepare 'custom'

I don't know if you'd consider TCA or phosphoric acid
less toxic than methanol and acetate, but IIRC, "Simply 
Blue" is just a colloidal Comassie G-250. Can be made
with TCA or phosphate (in the later case it would be 
simply Bradfod solution). 

        - Dima

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