title: Vertical dye-buoyant density gradients for rapid analysis and preparation of plasmid DNA.
mesh_terms: D002499:Centrifugation, Density Gradient / Q000379:methods; D004396:Coloring Agents; D004247:DNA / Q000302:isolation & purification*; D010957:Plasmids
chemical_list: D004396:Coloring Agents; D004247:DNA