title: An electrometric method for measurement of small pH changes in biological systems.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002417:Cattle; D004581:Electronics; D010450:Endopeptidases / Q000032:analysis; D004912:Erythrocytes / Q000378:metabolism; D006454:Hemoglobins; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008722:Methods; D008837:Micrococcus / Q000201:enzymology; D011199:Potentiometry / Q000295:instrumentation; D011522:Protons; D013997:Time Factors
chemical_list: D006454:Hemoglobins; D011522:Protons; D010450:Endopeptidases