title: A sensitive radiometric assay of aminopyrine N-demethylation.
mesh_terms: D000081:Acetamides / Q000494:pharmacology; D000633:Aminopyrine N-Demethylase / Q000032:analysis; D000818:Animals; D002247:Carbon Isotopes; D002642:Chick Embryo; D003124:Colorimetry; D003577:Cytochrome P-450 Enzyme System / Q000032:analysis; D003640:Dealkylation; D005333:Fetus / Q000187:drug effects / Q000201:enzymology; D005557:Formaldehyde / Q000032:analysis / Q000378:metabolism; D006863:Hydrogen-Ion Concentration; D066298:In Vitro Techniques; D007421:Intestine, Small / Q000378:metabolism; D007668:Kidney / Q000378:metabolism; D007700:Kinetics; D008099:Liver / Q000378:metabolism; D008168:Lung / Q000378:metabolism; D008297:Male; D008722:Methods; D008748:Methylcholanthrene / Q000494:pharmacology; D009249:NADP / Q000378:metabolism; D010089:Oxidoreductases, N-Demethylating / Q000032:analysis*; D010634:Phenobarbital / Q000494:pharmacology; D011506:Proteins / Q000032:analysis; D051381:Rats
chemical_list: D000081:Acetamides; D002247:Carbon Isotopes; D011506:Proteins; D005557:Formaldehyde; D009249:NADP; D008748:Methylcholanthrene; D003577:Cytochrome P-450 Enzyme System; D010089:Oxidoreductases, N-Demethylating; D000633:Aminopyrine N-Demethylase; D010634:Phenobarbital