OxygenHydrogenHydrogen BondingHydrogen PeroxideHydrogen SulfideOxygen ConsumptionReactive Oxygen SpeciesSinglet OxygenOxygen Inhalation TherapyOxidation-ReductionCatalaseOxygen IsotopesHydrogen CyanideOxidantsModels, MolecularFree RadicalsHyperbaric OxygenationKineticsPartial PressureSuperoxide DismutaseAntioxidantsHydrogen-Ion ConcentrationDeuterium Exchange MeasurementWaterPeroxidasesSuperoxidesAnoxiaCrystallography, X-RayAnaerobiosisFree Radical ScavengersHydroxyl RadicalProtein ConformationCystathionine gamma-LyaseModels, ChemicalHydrogenaseCarbon DioxideMolecular StructureOxidative StressMolecular Sequence DataMagnetic Resonance SpectroscopyAerobiosisCatalysisOximetryMitochondriaSulfidesBinding SitesNADPH OxidaseHemoglobinsTime FactorsGlucose OxidaseHydroxidesOxyhemoglobinsElectron Spin Resonance SpectroscopyThermodynamicsGasesGlutathioneProtonsAmino Acid SequenceTemperatureOxidoreductasesMolecular ConformationCells, CulturedPeroxidesElectron TransportCell HypoxiaSpectrophotometryLuminescent MeasurementsHyperoxiaProtein BindingMethaneProtein Structure, SecondaryEscherichia coliNitric OxideBreath TestsAmitroleIronMutationBacterial ProteinsApoptosisBlood Gas AnalysisModels, BiologicalDose-Response Relationship, DrugPolarographyMyoglobinCell SurvivalMass SpectrometryStereoisomerismCarbon MonoxideSignal TransductionAcetylcysteineLipid PeroxidationSolventsCyclic N-OxidesPeroxiredoxinsEnergy MetabolismHemeReactive Nitrogen SpeciesStructure-Activity RelationshipRats, Sprague-DawleyLactulose