title: Assay of glutaminase activity by colorimetric determination of glutamate.
mesh_terms: D000818:Animals; D002417:Cattle; D003124:Colorimetry; D005969:Glutamate Dehydrogenase; D005971:Glutamates / Q000032:analysis*; D005972:Glutaminase / Q000302:isolation & purification*; D006863:Hydrogen-Ion Concentration; D007668:Kidney / Q000201:enzymology; D008773:Methylphenazonium Methosulfate; D013778:Tetrazolium Salts
chemical_list: D005971:Glutamates; D013778:Tetrazolium Salts; C013574:iodonitrotetrazolium; D008773:Methylphenazonium Methosulfate; D005969:Glutamate Dehydrogenase; D005972:Glutaminase