Patent ID: 7862699

Claim:
A DNA sequencing or genotyping composition for microchannel electrophoresis comprising a hydrophobic separation matrix component comprising a polyacrylamide of a formula CH 2 C(R)C(O)NRâ€²Râ€³ n , wherein R is selected from H and methyl, and Râ€² and Râ€³ are independently selected from C 1 to about C 8 linear alkyl moieties C 1 to about C 8 alkoxy-substituted linear alkyl moieties, C 1 to about C 8 branched alkyl moieties and C 1 to about C 8 alkoxy-substituted branched alkyl moieties, and copolymers thereof, said polyacrylamide at least partially water soluble; and a hydrophilic wall coating component comprising a poly(N-hydroxyethylacrylamide).