title: On the development of a well-defined source of superoxide ion for studies with biological systems.
mesh_terms: D002374:Catalase; D003300:Copper; D004121:Dimethyl Sulfoxide; D004126:Dimethylformamide; D004492:Edetic Acid; D004566:Electrodes; D004578:Electron Spin Resonance Spectroscopy; D006861:Hydrogen Peroxide; D008968:Molecular Conformation; D009570:Nitriles; D010100:Oxygen; D013056:Spectrophotometry, Ultraviolet; D014867:Water
chemical_list: D009570:Nitriles; D014867:Water; D003300:Copper; D004126:Dimethylformamide; D004492:Edetic Acid; D006861:Hydrogen Peroxide; D002374:Catalase; D010100:Oxygen; D004121:Dimethyl Sulfoxide