title: Purification of spin-labelled DNA by hydroxyapatite chromatography.
mesh_terms: D000818:Animals; D002845:Chromatography; D003497:Cyclic N-Oxides; D004247:DNA / Q000302:isolation & purification*; D006882:Hydroxyapatites; D008099:Liver / Q000032:analysis; D051381:Rats
chemical_list: D003497:Cyclic N-Oxides; D006882:Hydroxyapatites; C029250:3-(bis-(2-chloroethyl)carbohydrazide)-2,2,5,5-tetramethylpyroline-1-oxyl; D004247:DNA