PAGE problem

[Paul S. Brookes.]

Make sure your Tris is the correct grade.  It HAS to be Tris, 
electrophoresis grade.  I had this problem about a year ago and found it 
was because I used Trizma to make up solutions - apparently they are not 
the same thing!   The CSH mol-bio manual (book 3, section 18 I think) has a 
good explanation of this.   If you use the correct grades of Tris and 
Glycine, it should not be necessary to pH the solutions at all, they should 
automatically go to 8.3 if you add the correct amounts.

Regards
PSB

_________________________________________
Dr. Paul S. Brookes.            (brookes at uab.edu)
UAB Department of Pathology,   G004 Volker Hall
1670 University Blvd., Birmingham AL 35294 USA
Tel (001) 205 934 1915     Fax (001) 205 934 1775
http://peir.path.uab.edu/brookes

The quality of e-mails can go down as well as up
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