DiffusionDiffusion Magnetic Resonance ImagingSolutionsFluorescence Recovery After PhotobleachingAnisotropyDiffusion Tensor ImagingWaterMagnetic Resonance ImagingReproducibility of ResultsModels, BiologicalMathematicsEcho-Planar ImagingImage Interpretation, Computer-AssistedImage Processing, Computer-AssistedBiophysicsImage EnhancementViscosityMagnetic Resonance SpectroscopyBiophysical PhenomenaSensitivity and SpecificityBrainMembrane FluidityComputer SimulationModels, ChemicalAlgorithmsKineticsSpectrometry, FluorescenceHeliumModels, TheoreticalFluorescent DyesTime FactorsScattering, RadiationPhotobleachingBody WaterBrain EdemaDextransNerve Fibers, MyelinatedFluoresceinsLipid BilayersMembranes, ArtificialCell MembraneFacilitated DiffusionHydrogen-Ion ConcentrationPermeabilityMicroscopy, FluorescenceFluoresceinMotionCorpus CallosumGelsChemistry, PhysicalGadolinium DTPAPhysicochemical PhenomenaContrast MediaPhotochemistryBiological TransportTemperatureBrain IschemiaElectrochemistryMembrane LipidsFluorescenceMolecular ConformationLasersPhosphatidylcholinesLightPharmaceutical SolutionsIsotonic SolutionsCell Membrane PermeabilityModels, MolecularFluorescein-5-isothiocyanateMonte Carlo MethodBrain NeoplasmsRhodaminesBuffersMicroscopy, ConfocalProtein ConformationOsmolar ConcentrationImaging, Three-DimensionalModels, StatisticalPolymersSolventsDimyristoylphosphatidylcholineCerebral InfarctionExtracellular SpaceRabbitsIons1-OctanolThermodynamicsPhantoms, ImagingMolecular WeightSolubilityOxygenParticle SizeMacromolecular SubstancesUltracentrifugationMagnetic Resonance AngiographyMembranesCerebrovascular CirculationInternal CapsuleSpectrum AnalysisArtifacts