Spectrometry, Mass, Electrospray IonizationMass SpectrometryPhenindioneTandem Mass SpectrometryChromatography, LiquidChromatography, High Pressure LiquidSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryAir IonizationMolecular StructureIonsMolecular Sequence DataCyclotronsCalibrationGasesAmino Acid SequenceAtmospheric PressureSpectrometry, Mass, Fast Atom BombardmentFourier AnalysisGlycerophospholipidsReproducibility of ResultsSpectrometry, Mass, Secondary IonReference StandardsDeuteriumSensitivity and SpecificityIndicators and ReagentsProteomicsComplex MixturesCarbohydrate SequencePeptidesLimit of DetectionElectrophoresis, CapillarySolid Phase ExtractionIsomerismMagnetic Resonance SpectroscopySolventsModels, ChemicalDeuterium Exchange MeasurementNanotechnologyProteinsHydrogen-Ion ConcentrationProteomePeptide MappingMicrochemistrySolutionsMyoglobinSubstance Abuse DetectionOligosaccharidesMolecular WeightElectrophoresis, Gel, Two-DimensionalSpectroscopy, Fourier Transform InfraredModels, MolecularHydrogenMetals, AlkaliPeptide FragmentsMetabolomicsFlame IonizationChromatography, Reverse-PhaseExplosive AgentsTrypsinBenzyl AlcoholsKineticsProtein ConformationOxidation-ReductionSpectrophotometry, UltravioletPolysaccharidesCattleHydrolysisAcetonitrilesElectrochemistryDrug StabilityCarbohydrate ConformationCapillary ActionProtein BindingCrown EthersForensic SciencesIsotope LabelingStereoisomerismBinding SitesPlasmalogensChromatography, Thin LayerMetalsChemistry Techniques, AnalyticalAnalytic Sample Preparation MethodsMolecular ConformationGlycosylationLipidsEscherichia coliOligonucleotidesPhospholipidsGlycerylphosphorylcholineSulfoglycosphingolipidsDisulfidesMethanolElectrophoresis, Polyacrylamide GelHorsesRecombinant ProteinsForensic MedicineCysteineEquipment Design