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Star Republic: Guide for Biologists

Effective range of separation of DNAs in Polyacrylamide/Urea gels

Virtualab Protocols (Chang Bioscience)
Acrylamide % Efficient range of separation
(linear DNA in bp)
Xylene cyanol FF Bromophenol blue
4 >250 155 30
6 60-250 110 25
8 40-120 75 20
10 20-60 55 10