title: Restricted uptake of ethidium bromide and propidium diiodide by denatured closed circular DNA in buoyant cesium chloride.
mesh_terms: D000588:Amines; D002499:Centrifugation, Density Gradient; D002586:Cesium; D002712:Chlorides; D004269:DNA, Bacterial; D004270:DNA, Circular; D004277:DNA, Single-Stranded; D004279:DNA, Viral; D004926:Escherichia coli; D004996:Ethidium; D007454:Iodides; D008854:Microscopy, Electron; D009691:Nucleic Acid Denaturation; D010617:Phenanthridines; D010761:Phosphorus Radioisotopes; D014316:Tritium
chemical_list: D000588:Amines; D002712:Chlorides; D004269:DNA, Bacterial; D004270:DNA, Circular; D004277:DNA, Single-Stranded; D004279:DNA, Viral; D007454:Iodides; D010617:Phenanthridines; D010761:Phosphorus Radioisotopes; D014316:Tritium; D002586:Cesium; D004996:Ethidium