Alberts, B M Efficient separation of single-stranded and double-stranded deoxyribonucleic acid in a dextran-polyethylene glycol two-phase system. [electronic resource] - Biochemistry Aug 1967 - 2527-32 p. digital Publication Type: Journal Article ISSN: 0006-2960 Standard No.: 10.1021/bi00860a033 doi Subjects--Topical Terms: Bacillus subtilis--analysisCentrifugation, Density GradientCesiumDNA--analysisDextransGlycolsPolymersSolvents