Magnetic Resonance SpectroscopyCholineMagnetic Resonance ImagingCreatineBrainContrast MediaPhosphocreatineFerric CompoundsAspartic AcidProtonsMagnetite NanoparticlesMagnetic Resonance AngiographyGadoliniumFerrosoferric OxideCell TrackingElectron Spin Resonance SpectroscopyGadolinium DTPAImage Processing, Computer-AssistedNuclear Magnetic Resonance, BiomolecularPhosphorusEnergy MetabolismInositolImaging, Three-DimensionalPhosphorus IsotopesReproducibility of ResultsDisease Models, AnimalCarbon IsotopesTime FactorsStaining and LabelingAortic DiseasesFluorinePhosphatesLactic AcidMagnetic Resonance Imaging, CineHydrogen-Ion ConcentrationBrain ChemistryGlutamic AcidGlutamineLipid MetabolismSpectroscopy, Near-InfraredAdenosine TriphosphateDiffusion Magnetic Resonance ImagingSpectrum AnalysisMuscle, SkeletalModels, MolecularPhosphorylcholineProtein ConformationHydrogenGlucoseOxygenKineticsSpectrophotometry, InfraredMolecular Sequence DataLactatesMass SpectrometrySensitivity and SpecificityLiverBrain MappingOxidation-ReductionBlood VolumeSolutionsMetabolomicsDeuteriumSurface Plasmon ResonanceWaterChromatography, High Pressure LiquidGlycerylphosphorylcholineBrain NeoplasmsMolecular StructureGlycolysisCarbohydrate SequenceSpin LabelsBrain DiseasesProtein Structure, SecondaryReference ValuesAmino Acid SequenceCircular DichroismGyrus CinguliMetabolomeSpectrum Analysis, RamanAlgorithmsOccipital LobeMolecular ConformationNeurochemistryOxygen ConsumptionImage Interpretation, Computer-AssistedMyocardiumProtein BindingImage EnhancementChemistryChemical PhenomenaTemperatureFrontal LobeCarbohydrate Conformation