title: Influence of Ag+ and Hg2+ cations on hydroxyapatite chromatography of DNA. Purification of DNA preparations from silver.
mesh_terms: D002845:Chromatography; D004269:DNA, Bacterial / Q000302:isolation & purification*; D004926:Escherichia coli; D006882:Hydroxyapatites; D008628:Mercury; D012834:Silver
chemical_list: D004269:DNA, Bacterial; D006882:Hydroxyapatites; D012834:Silver; D008628:Mercury