Ion transport by heart mitochondria. Retention and loss of energy coupling in aged heart mitochondria.

Adenosine Triphosphatases/metabolism Animals Calcium/pharmacology Carnitine/metabolism Cattle Chelating Agents/pharmacology Glutamates/metabolism Hydrogen Peroxide/pharmacology Hydrogen-Ion Concentration Hydroxybutyrates/metabolism Ketoglutaric Acids/metabolism Lactates/metabolism Malates/metabolism Mitochondria/drug effects Mitochondria, Muscle/drug effects,metabolism Mitochondrial Swelling/drug effects Myocardium Oxidative Phosphorylation/drug effects Oxygen Consumption/drug effects Potassium/metabolism Potassium Chloride/pharmacology Pyruvates/metabolism Succinates/metabolism Sucrose/pharmacology Time Factors Valinomycin/pharmacology

Chelating Agents Glutamates Hydroxybutyrates Ketoglutaric Acids Lactates Malates Pyruvates Succinates Valinomycin Sucrose Potassium Chloride Hydrogen Peroxide Adenosine Triphosphatases Potassium Carnitine Calcium