title: Polyacrylamide gel electrophoresis as a method for differentiation of gut proteinases which catalyze the hydrolysis of amino acid naphthylamides.
mesh_terms: D000577:Amides; D000818:Animals; D002417:Cattle; D002918:Chymotrypsin / Q000302:isolation & purification*; D004591:Electrophoresis, Polyacrylamide Gel; D006110:Grasshoppers / Q000201:enzymology; D007422:Intestines / Q000201:enzymology*; D008722:Methods; D009284:Naphthols; D013045:Species Specificity; D013997:Time Factors; D014357:Trypsin / Q000302:isolation & purification*
chemical_list: D000577:Amides; D009284:Naphthols; D002918:Chymotrypsin; D014357:Trypsin