Spin LabelsElectron Spin Resonance SpectroscopyMuscle RelaxationCyclic N-OxidesSpin TrappingNitrogen OxidesMembrane FluidityRelaxationRelaxation TherapyMagnetic Resonance SpectroscopyProtein ConformationDimyristoylphosphatidylcholineTriacetoneamine-N-OxylLipid BilayersStearic AcidsModels, MolecularMesylatesMembrane LipidsVasodilationTemperaturePhosphatidylcholinesMembranes, ArtificialMolecular ConformationRabbitsMicrowavesKineticsCholestanesMaleimidesBinding SitesMathematicsNitric OxideAffinity LabelsModels, ChemicalBiophysical PhenomenaViscosityNanodiamondsPhospholipidsAcetylcholineIodoacetamideMagneticsProtein Structure, SecondaryVasodilator AgentsAndrostanesMuscle ContractionBiophysicsProtein BindingBacteriophage T4Sulfhydryl CompoundsEndothelium, VascularThermodynamicsRotationDiffusionMagnetometryMotionPiperidonesNitroarginineMuscle, SmoothBiological FactorsLiposomesCysteineErythrocyte MembraneMyosinsNitroprussideWaterMuscle, Smooth, VascularCattleMicellesCalciumAorta, ThoracicMolecular StructureMuramidaseCell MembraneSpectrometry, FluorescenceMesenteric ArteriesFree RadicalsSolutionsCalcium-Transporting ATPasesSarcoplasmic ReticulumDose-Response Relationship, DrugMembranesTime FactorsAvidinMembrane ProteinsMusclesCyclic GMPNG-Nitroarginine Methyl EsterComputer SimulationVasoconstrictor Agents1,2-DipalmitoylphosphatidylcholineGastric FundusEscherichia coliFreezingModels, BiologicalErythrocytesMyocardial ContractionStructure-Activity Relationship