A dye-buoyant-density method for the detection and isolation of closed circular duplex DNA: the closed circular DNA in HeLa cells.
D046508:Culture Techniques; D004273:DNA, Neoplasm / Q000032:analysis*; D005453:Fluorescence; D006367:HeLa Cells; D006801:Humans; D008854:Microscopy, Electron; D009374:Neoplasms, Experimental; D014461:Ultracentrifugation
D004273:DNA, Neoplasm