Spectrometry, Mass, Electrospray IonizationMass SpectrometryPhenindioneTandem Mass SpectrometrySolventsChromatography, LiquidChromatography, High Pressure LiquidSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryAir IonizationMolecular StructureIonsCyclotronsMolecular Sequence DataGasesCalibrationAmino Acid SequenceAtmospheric PressureSpectrometry, Mass, Fast Atom BombardmentFourier AnalysisDeuteriumGlycerophospholipidsSpectrometry, Mass, Secondary IonReproducibility of ResultsReference StandardsSensitivity and SpecificityIndicators and ReagentsComplex MixturesProteomicsPeptidesCarbohydrate SequenceLimit of DetectionSolid Phase ExtractionElectrophoresis, CapillaryIsomerismMagnetic Resonance SpectroscopyModels, ChemicalDeuterium Exchange MeasurementProteinsHydrogen-Ion ConcentrationSolutionsNanotechnologyModels, MolecularAcetonitrilesMicrochemistryProteomeMyoglobinPeptide MappingProtein ConformationSpectroscopy, Fourier Transform InfraredHydrogenMolecular WeightSubstance Abuse DetectionOligosaccharidesElectrophoresis, Gel, Two-DimensionalSpectrophotometry, UltravioletFlame IonizationMetals, AlkaliPeptide FragmentsMethanolChromatography, Reverse-PhaseMetabolomicsTrypsinExplosive AgentsWaterBenzyl AlcoholsKineticsOxidation-ReductionElectrochemistryMolecular ConformationDrug StabilityPolysaccharidesHydrolysisChromatography, Thin LayerStereoisomerismProtein BindingBinding SitesCarbohydrate ConformationChemistry Techniques, AnalyticalCrown EthersCapillary ActionVolatilizationCattleForensic SciencesIsotope LabelingMetalsPlasmalogensAnalytic Sample Preparation MethodsPhospholipidsOrganic ChemicalsChemical FractionationLipidsGlycerylphosphorylcholineGlycosylationDisulfidesHorsesSulfoglycosphingolipidsPhase TransitionForensic MedicineElectrophoresis, Polyacrylamide Gel