title: Separation and isolation of DNA fragments using linear polyacrylamide gradient gel electrophoresis.
mesh_terms: D004247:DNA / Q000302:isolation & purification; D004262:DNA Restriction Enzymes; D004591:Electrophoresis, Polyacrylamide Gel / Q000379:methods; D008970:Molecular Weight
chemical_list: D004247:DNA; D004262:DNA Restriction Enzymes