Materials Management, HospitalOxygen Inhalation TherapyOxygenLung Diseases, ObstructiveOxygen ConsumptionReactive Oxygen SpeciesSinglet OxygenChromatography, High Pressure LiquidIonic LiquidsChromatography, LiquidOxygen IsotopesLiquid CrystalsHyperbaric OxygenationPartial PressureOxidation-ReductionHydrogen PeroxideAnoxiaOxidative StressOximetryAntioxidantsCarbon DioxideAerobiosisHemoglobinsOxyhemoglobinsFree RadicalsSuperoxide DismutaseFree Radical ScavengersCatalaseMitochondriaAnaerobiosisHyperoxiaNADPH OxidaseCell HypoxiaTime FactorsSuperoxidesBlood Gas AnalysisKineticsMass SpectrometryPolarographyHydrogen-Ion ConcentrationLuminescent MeasurementsCells, CulturedTandem Mass SpectrometryPulmonary Gas ExchangeEnergy MetabolismLiquid VentilationBlood SubstitutesWaterGlutathioneRespirationModels, BiologicalOxidantsBlood Gas Monitoring, TranscutaneousAcetylcysteineNitric OxideXanthine OxidaseOxygen RadioisotopesRats, Sprague-DawleyReactive Nitrogen Species