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Electrophoretic separation of double-stranded DNA fragments in Pluronic F127 gels. (A) Nx123 bp DNA ladder electrophoresed in (left to right): 18, 20, 22, 25, 27, and 30% Pluronic gel. (B) Electrophoresis of DNA restriction fragments in a 20% Pluronic gel. Lanes: 1, restriction endonuclease fragments of pGEM3Zf plasmid; 2, mixture of Nx123 ladder and pGEM fragments; 3, Nx123 bp ladder. The pGEM fragment lengths are 2,977, 1,799, 1,509, 724, 676, 517, 396, 325, 244 and 222 bp.
