title: Simplified and precise method for the assay of enzyme catechol-O-methyl transferase without high speed fractionation.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002394:Catechol O-Methyltransferase / Q000032:analysis; D008099:Liver / Q000201:enzymology*; D008722:Methods; D008780:Methyltransferases / Q000032:analysis*; D051381:Rats; D012436:S-Adenosylmethionine; D013696:Temperature; D014461:Ultracentrifugation
chemical_list: D002247:Carbon Isotopes; D012436:S-Adenosylmethionine; D008780:Methyltransferases; D002394:Catechol O-Methyltransferase