title: Fractionation of low molecular weight DNA or RNA in polyacrylamide gels containing 98% formamide or 7 M urea.
mesh_terms: D004247:DNA / Q000302:isolation & purification*; D004262:DNA Restriction Enzymes; D004591:Electrophoresis, Polyacrylamide Gel / Q000379:methods; D005559:Formamides; D008970:Molecular Weight; D009691:Nucleic Acid Denaturation; D012313:RNA / Q000302:isolation & purification*; D014508:Urea
chemical_list: D005559:Formamides; D012313:RNA; D014508:Urea; D004247:DNA; D004262:DNA Restriction Enzymes