title: Fractionation of Escherichia coli DNA using poly-l-lysine Kieselguhr columns.
mesh_terms: D002845:Chromatography; D003596:Cytosine / Q000032:analysis; D004269:DNA, Bacterial / Q000032:analysis*; D004926:Escherichia coli / Q000032:analysis*; D006147:Guanine / Q000032:analysis; D008239:Lysine; D008722:Methods
chemical_list: D004269:DNA, Bacterial; D006147:Guanine; D003596:Cytosine; D008239:Lysine