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27/05/2020
Page 7
6.
Place the strip on top of the wicks and between the bars with the
sample end at the negative electrode. Make sure there is good con-
tact by pushing down on the ends of the strip. Glass slides can be
placed over each end to further ensure a good contact.
7.
Apply the samples at the negative end of the cellulose acetate
plate. Usually a small amount of dye can also be loaded to indicate
sample migration distance. The samples should be kept as cold as
possible before application to prevent denaturation.
8.
Place the safety lid onto the tank and connect the leads to a power
supply.
9.
Electrophorese at 200 volts for 15
–
30 minutes or following cellulose
acetate strips set up.
10.
Once electrophoresis is complete, the strip can be stained.