Magnetic Resonance SpectroscopyNuclear Magnetic Resonance, BiomolecularMagnetic Resonance ImagingNitrogen IsotopesCarbon IsotopesCreatineDeuteriumProtein Structure, SecondaryPhosphocreatineModels, MolecularCholineProtonsAspartic AcidLipid BilayersProtein ConformationElectron Spin Resonance SpectroscopyPhosphorusBrainInositolPhosphorus IsotopesSolutionsMagnetic Resonance AngiographyFluorineMolecular Sequence DataHydrogen-Ion ConcentrationAmino Acid SequenceEnergy MetabolismMolecular ConformationSpectrophotometry, InfraredPhosphatesMolecular StructureMagnetic Resonance Imaging, CineGlutamineSpectrum AnalysisBrain ChemistryLactic AcidGlutamic AcidSpectroscopy, Near-InfraredWaterTemperaturePhosphorylcholineDiffusion Magnetic Resonance ImagingHydrogenCircular DichroismReproducibility of ResultsCalorimetry, Differential ScanningAdenosine TriphosphateContrast MediaMuscle, SkeletalKineticsSpectrum Analysis, RamanTime FactorsModels, ChemicalMass SpectrometrySurface Plasmon ResonanceImage Processing, Computer-AssistedOxygenCarbohydrate SequenceChromatography, High Pressure LiquidSensitivity and SpecificityMetabolomicsGlycerylphosphorylcholineBrain MappingLactatesX-Ray DiffractionPowder DiffractionSpin LabelsDrug StabilityBrain NeoplasmsOxidation-ReductionHydrogen BondingBinding SitesSpectroscopy, Fourier Transform InfraredBrain DiseasesCrystallography, X-RayThermodynamicsGyrus CinguliSpectrophotometry, UltravioletCarbohydrate ConformationAlgorithmsProtein BindingOccipital LobeNeurochemistryChemistryGadolinium DTPAOrganometallic CompoundsMetabolomeChemical PhenomenaSpectrometry, Mass, Fast Atom BombardmentGadoliniumGlucoseParticle SizeCalixarenesReference ValuesPowdersImaging, Three-DimensionalImage Interpretation, Computer-AssistedFrontal LobeLiverSolubility