SDS Gel Electrophoresis
Pouring the Gels:
Choose a percentage acrylamide based on the molecular weight range of proteins you wish to separate:
|
% Gel |
M.W. Range |
|
7 |
50 kDa - 500 kDa |
|
10 |
20 kDa - 300 kDa |
|
12 |
10 kDa - 200 kDa |
|
15 |
3 kDa - 100 kDa |
Preparing your Sample:
Mix your protein 4:1 with the sample buffer. Heat your sample by boiling for 5-10 minutes .
Running your gel:
Clamp in your gel and fill both buffer chambers with gel running buffer according to the instructions for your specific apparatus.
Pipet your sample into the gel adjusting the volume according to the amount of protein in your sample.
Visualize your proteins using Coomassie Brilliant Blue, Silver stain, or any of the other protein stains.