Free RadicalsFree Radical ScavengersHydroxyl RadicalElectron Spin Resonance SpectroscopyPicratesAntioxidantsHydroxidesOxidation-ReductionLipid PeroxidationNitrogen OxidesSuperoxide DismutaseIon ChannelsOxidative StressHydrogen PeroxideReactive Oxygen SpeciesSpin LabelsXanthine OxidaseSuperoxidesCyclic N-OxidesOxygenAscorbic AcidSpin TrappingLipid PeroxidesCatalaseMalondialdehydeBiphenyl CompoundsPlant ExtractsKineticsIon TransportAntipyrineIon Channel GatingGlutathioneProstatectomyDeferoxamineIronTioproninOxidantsHeavy IonsVitamin EThiobarbituric Acid Reactive SubstancesAmidinesCopperSulfonic AcidsXanthinePhenolsMolecular StructurePeroxidesModels, ChemicalTime FactorsRats, WistarNitric OxideGlutathione PeroxidaseRibonucleotide ReductasesCalciumHydrogen-Ion ConcentrationPulse RadiolysisChromatography, High Pressure LiquidAllopurinolRats, Sprague-DawleySulfhydryl CompoundsDose-Response Relationship, DrugPeroxidasesFerrous CompoundsHorseradish PeroxidaseModels, MolecularBenzothiazolesLuminescent MeasurementsChelating AgentsCells, CulturedDNA Damagetert-ButylhydroperoxideMass SpectrometrySpectrometry, Mass, Electrospray IonizationFerric CompoundsElectronsMetalsCationsThioureaIron Chelating AgentsMitochondriaHydroxybenzoatesHypoxanthineCell SurvivalCatalysisThiobarbituratesMolecular Sequence DataWaterCystectomyProstatic NeoplasmsHydrazinesLiverAcetylcysteineBepridilMyocardiumTyrosineRabbitsSpectrophotometryBinding SitesMagnesiumReperfusion Injury