title: Efficient separation of single-stranded and double-stranded deoxyribonucleic acid in a dextran-polyethylene glycol two-phase system.
mesh_terms: D001412:Bacillus subtilis / Q000032:analysis; D002499:Centrifugation, Density Gradient; D002586:Cesium; D004247:DNA / Q000032:analysis*; D003911:Dextrans; D006018:Glycols; D011108:Polymers; D012997:Solvents
chemical_list: D003911:Dextrans; D006018:Glycols; D011108:Polymers; D012997:Solvents; D002586:Cesium; D004247:DNA