Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidChromatography, High Pressure LiquidProteomicsSensitivity and SpecificitySpectrometry, Mass, Secondary IonMolecular Sequence DataLimit of DetectionProteomeAmino Acid SequenceSpectrometry, Mass, Fast Atom BombardmentReproducibility of ResultsElectrophoresis, Gel, Two-DimensionalPeptidesDeuterium Exchange MeasurementReference StandardsCalibrationIsotope LabelingMolecular StructurePeptide MappingSubstance Abuse DetectionMagnetic Resonance SpectroscopyPolymerase Chain ReactionSolid Phase ExtractionProteinsCarbohydrate SequenceDeuteriumIonsChromatography, GasIndicators and ReagentsBody Mass IndexChromatography, Thin LayerPeptide FragmentsMetabolomicsFourier AnalysisAlgorithmsTime FactorsElectrophoresis, CapillaryCattleAnalytic Sample Preparation MethodsImmunoassayProtein BindingElectrophoresis, Polyacrylamide GelProtein Processing, Post-TranslationalCyclotronsIsotopesBase SequenceTrypsinBiological MarkersMetabolomeBacterial ProteinsPolysaccharidesGlycosylationMolecular WeightChromatography, Reverse-PhaseBacteriological TechniquesOxidation-ReductionSequence Analysis, ProteinMicrochemistryOligosaccharidesCarbohydrate ConformationIsomerismComplex MixturesRecombinant ProteinsModels, MolecularNanotechnologyIndicator Dilution TechniquesGasesSpecimen HandlingBiotransformationProtein Array AnalysisForensic MedicineSpectrophotometry, UltravioletSpectrophotometry, AtomicChemical FractionationEnzyme-Linked Immunosorbent AssayEscherichia coliOxygen IsotopesSoftwareHydrolysisChemistry Techniques, AnalyticalKineticsDNA PrimersSequence Analysis, DNAMutationAtmospheric PressureHydrogenBinding SitesChromatography, AffinitySpectroscopy, Fourier Transform InfraredEvaluation Studies as TopicProtein ConformationCell LineSequence Homology, Amino AcidDatabases, ProteinBiosensing Techniques