title: Purification of leaf nucleotides and nucleosides on insoluble polyvinylpyrrolidone.
mesh_terms: D002852:Chromatography, Ion Exchange; D006863:Hydrogen-Ion Concentration; D008722:Methods; D010944:Plants / Q000032:analysis*; D011205:Povidone; D012263:Ribonucleosides / Q000032:analysis / Q000302:isolation & purification*; D012265:Ribonucleotides / Q000032:analysis / Q000302:isolation & purification*; D013045:Species Specificity; D013056:Spectrophotometry, Ultraviolet
chemical_list: D012263:Ribonucleosides; D012265:Ribonucleotides; D011205:Povidone