Determination of intramitochondrial pH and intramitochondrial-extramitochondrial pH gradient of isolated heart mitochondria by the use of 5,5-dimethyl-2,4-oxazolidinedione. I. Changes during respiration and adenosine triphosphate-dependent transport of Ca++, Mg++, and Zn++.

Acetates/pharmacology Adenosine Triphosphate/pharmacology Aniline Compounds Animals Ascorbic Acid/metabolism Biological Transport Calcium/metabolism Carbon Isotopes Cattle Dinitrophenols/pharmacology Hydrogen-Ion Concentration Magnesium/metabolism Methods Mitochondria/metabolism Myocardium/metabolism Oxazoles Oxygen Consumption Phosphates/pharmacology Succinates/metabolism Zinc/metabolism

Acetates Aniline Compounds Carbon Isotopes Dinitrophenols Oxazoles Phosphates Succinates Adenosine Triphosphate Magnesium Zinc Ascorbic Acid Calcium