title: Effect of ionic strength and calcium ions on the activation of trypsinogen by enterokinase. A modified test for the quantitative evaluation of this enzyme.
mesh_terms: D000085:Acetates; D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D002417:Cattle; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D002951:Citrates; D004386:Duodenum / Q000201:enzymology; D010450:Endopeptidases / Q000378:metabolism*; D004765:Enteropeptidase / Q000302:isolation & purification / Q000378:metabolism; D004789:Enzyme Activation; D005069:Evaluation Studies as Topic; D006863:Hydrogen-Ion Concentration; D007413:Intestinal Mucosa / Q000201:enzymology*; D007700:Kinetics; D008293:Malates; D008298:Maleates; D008722:Methods; D009994:Osmolar Concentration; D013056:Spectrophotometry, Ultraviolet; D013386:Succinates; D013552:Swine; D013997:Time Factors; D014362:Trypsinogen / Q000378:metabolism*
chemical_list: D000085:Acetates; D002951:Citrates; D008293:Malates; D008298:Maleates; D013386:Succinates; D014362:Trypsinogen; D010450:Endopeptidases; D004765:Enteropeptidase; D002118:Calcium