Spin LabelsElectron Spin Resonance SpectroscopyCyclic N-OxidesSpin TrappingNitrogen OxidesMembrane FluidityDimyristoylphosphatidylcholineTriacetoneamine-N-OxylStearic AcidsProtein ConformationMesylatesLipid BilayersMembrane LipidsModels, MolecularTemperatureMembranes, ArtificialPhosphatidylcholinesMicrowavesMagnetic Resonance SpectroscopyCholestanesMolecular ConformationAffinity LabelsMaleimidesNanodiamondsBinding SitesIodoacetamideKineticsPhospholipidsModels, ChemicalAndrostanesBacteriophage T4MagnetometryBiophysical PhenomenaMagneticsProtein Structure, SecondaryMathematicsSulfhydryl CompoundsProtein BindingPiperidonesLiposomesRabbitsBiophysicsErythrocyte MembraneRotationDiffusionViscosityCysteineThermodynamicsMotionMolecular StructureMyosinsMicellesComputer SimulationAvidinWaterCell MembraneSpectrometry, FluorescenceCattleModels, BiologicalAlgorithmsMuramidaseMembrane ProteinsFree RadicalsMembranesEscherichia coliTime Factors1,2-DipalmitoylphosphatidylcholineFreezingFluorescent DyesErythrocytes