title: EPR studies on reduction of oxygen to superoxide by some biochemical systems.
mesh_terms: D001669:Biochemical Phenomena; D001671:Biochemistry; D002247:Carbon Isotopes; D003016:Clostridium perfringens; D004578:Electron Spin Resonance Spectroscopy; D005288:Ferredoxins; D005609:Free Radicals; D005615:Freezing; D005650:Fumarates; D005949:Glucose Oxidase; D006863:Hydrogen-Ion Concentration; D008722:Methods; D009281:Naphthalenes; D010084:Oxidation-Reduction; D010100:Oxygen; D010544:Peroxidases; D010944:Plants; D013997:Time Factors; D014969:Xanthine Oxidase
chemical_list: D002247:Carbon Isotopes; D005288:Ferredoxins; D005609:Free Radicals; D005650:Fumarates; D009281:Naphthalenes; D005949:Glucose Oxidase; D010544:Peroxidases; D014969:Xanthine Oxidase; D010100:Oxygen