OxygenOxygen ConsumptionReactive Oxygen SpeciesOxygen Inhalation TherapySinglet OxygenOxygen IsotopesSpectrometry, Mass, Fast Atom BombardmentOxidation-ReductionHyperbaric OxygenationModels, MolecularPartial PressureHydrogen PeroxideAnoxiaOxidative StressOximetryMolecular StructureMagnetic Resonance SpectroscopyKineticsFree RadicalsCrystallography, X-RayHydrogen BondingModels, ChemicalProtein ConformationElectron Spin Resonance SpectroscopyHemoglobinsAntioxidantsAerobiosisCarbon DioxideOxyhemoglobinsMolecular ConformationSuperoxide DismutaseBinding SitesWaterAnaerobiosisFree Radical ScavengersCatalaseHydrogenMitochondriaIronSulfurMolecular Sequence DataHydrogen-Ion ConcentrationHyperoxiaNADPH OxidaseSpectrophotometryCell HypoxiaMass SpectrometrySuperoxidesSpectrum AnalysisCatalysisAmino Acid SequenceBlood Gas AnalysisElectronsTime FactorsStereoisomerismStructure-Activity RelationshipOxidoreductasesPolarographyMyoglobinHemeLuminescent MeasurementsChemistryX-Ray DiffractionElectron TransportCopperChemical PhenomenaProtein BindingThermodynamicsCarbonXanthine OxidaseModels, BiologicalEnergy MetabolismGlutathioneHydroxyl RadicalOxidantsQuantum TheoryZincTemperaturePulmonary Gas ExchangeCells, CulturedCarbon MonoxideSubstrate SpecificityDeuteriumBlood SubstitutesNitric OxideElectron Transport Complex IVRespirationEscherichia coliProteinsBlood Gas Monitoring, TranscutaneousOxygen RadioisotopesBacterial ProteinsReactive Nitrogen SpeciesAcetylcysteineProtonsGlucoseNitrogenChromatography, High Pressure LiquidCyclic N-OxidesComputer Simulation