Free RadicalsOxygenFree Radical ScavengersHydroxyl RadicalReactive Oxygen SpeciesOxygen ConsumptionElectron Spin Resonance SpectroscopyAntioxidantsOxidation-ReductionPicratesSuperoxide DismutaseOxidative StressHydrogen PeroxideHydroxidesLipid PeroxidationNitrogen OxidesSinglet OxygenSuperoxidesXanthine OxidaseCatalaseSpin LabelsCyclic N-OxidesOxygen Inhalation TherapyAscorbic AcidSpin TrappingLipid PeroxidesMalondialdehydeGlutathioneKineticsPlant ExtractsBiphenyl CompoundsOxidantsTime FactorsDeferoxamineAntipyrineIronProstatectomyNitric OxideTioproninVitamin EOxygen IsotopesCells, CulturedXanthineThiobarbituric Acid Reactive SubstancesRats, WistarRats, Sprague-DawleyMitochondriaPeroxidesLuminescent MeasurementsDose-Response Relationship, DrugGlutathione PeroxidasePhenolsAmidinesHyperbaric OxygenationMolecular StructureAnoxiaSulfonic AcidsPeroxidasesPartial PressureCell SurvivalModels, ChemicalAcetylcysteineChromatography, High Pressure LiquidAllopurinolCopperMolecular Sequence DataRibonucleotide ReductasesNADPH OxidaseDNA DamageReactive Nitrogen SpeciesHydrogen-Ion ConcentrationSulfhydryl CompoundsPulse Radiolysistert-ButylhydroperoxideModels, BiologicalMyocardiumHorseradish PeroxidaseFerrous CompoundsElectron TransportLiverSpectrophotometryRabbitsThioureaBenzothiazolesFerric CompoundsAerobiosisAnaerobiosisHemoglobinsHydroxybenzoatesIron Chelating AgentsNitratesHypoxanthineApoptosisReperfusion InjuryCell LineElectronsEscherichia coliOxyhemoglobinsPeroxidaseDisease Models, Animal