Electron Spin Resonance SpectroscopySpin LabelsFree RadicalsCyclic N-OxidesSpin TrappingMagnetic Resonance SpectroscopyHydroxyl RadicalNitrogen OxidesHydroxidesSuperoxidesOxidation-ReductionFree Radical ScavengersMembrane LipidsReactive Oxygen SpeciesQuinonesTemperatureOxidative StressNitric OxideMagnetic Resonance ImagingElectronsDimyristoylphosphatidylcholineMolecular ConformationSpectrum AnalysisElectron TransportCreatineMembrane FluidityMicroscopy, ElectronPhosphatidylcholinesLipid BilayersProtein ConformationProtonsPhosphocreatineKineticsStearic AcidsSpectrophotometryHydrogen-Ion ConcentrationAspartic AcidCholineNuclear Magnetic Resonance, BiomolecularOxygenCobalt IsotopesWaterHydrogen PeroxideModels, ChemicalMolecular StructureModels, MolecularMicroscopy, Electron, ScanningIron1,2-DipalmitoylphosphatidylcholineSpectrometry, FluorescenceMicrowavesCopperPeroxidesSolutionsMembranes, ArtificialAscorbic AcidSpectrum Analysis, RamanLiposomesThermodynamicsBinding SitesSarcoma, YoshidaCircular DichroismSpectroscopy, Near-InfraredChemistryXanthine OxidaseProtein BindingChemical PhenomenaUnithiolIodoacetamideBiophysical PhenomenaSpectrophotometry, UltravioletBrainMagneticsBiophysicsCattlePhospholipidsMathematicsMelaninsThiramSpectrophotometry, InfraredHemeManganeseBenzoquinonesAntioxidantsNitroso CompoundsProtein Structure, SecondaryCalorimetry, Differential ScanningPhosphatidylethanolaminesSuperoxide DismutaseCholestanes