ProteomicsMass SpectrometrySpectrometry, Mass, Electrospray IonizationTandem Mass SpectrometryChromatography, LiquidProteomeIonsCyclotronsSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationFourier AnalysisGasesAtmospheric PressureChromatography, High Pressure LiquidElementsIsotope LabelingPeptidesGas Chromatography-Mass SpectrometryComplex MixturesSpacecraftReproducibility of ResultsProteinsSaturnPeptide MappingElectrophoresis, Gel, Two-DimensionalCalibrationDatabases, ProteinAmino Acid SequenceOxygen IsotopesSpectroscopy, Fourier Transform InfraredMolecular Sequence DataReference StandardsSensitivity and SpecificityEquipment DesignNanotechnologySpectrometry, Mass, Secondary IonEvolution, PlanetaryAlgorithmsSequence Analysis, ProteinSoftwareMicrochemistryIndicators and ReagentsFlowmetersFullerenesPhosphopeptidesExtraterrestrial EnvironmentChromatography, Reverse-PhaseTrypsinSolid Phase MicroextractionEquipment Failure AnalysisLimit of DetectionNitrogen IsotopesMyoglobinChemistry, OrganicDeuteriumAnalytic Sample Preparation MethodsInfrared RaysElectronsSolid Phase Extraction3,3'-DichlorobenzidinePeptide FragmentsIsotopesProtein Processing, Post-TranslationalVacuumElectrophoresis, CapillaryLasersMetabolomicsForensic MedicineMolecular StructureHorsesMarsAutomationComputational BiologyAtmosphereMetabolomeElectronicsLiquid-Liquid ExtractionCattleIsomerismChemical FractionationVacuum CurettageHydrogenEnkephalin, LeucineChromatography, GasArgonCarbon IsotopesChemical Warfare AgentsBiological MarkersWaterSpectrum AnalysisModels, ChemicalPharmaceutical PreparationsOrganothiophosphorus CompoundsMolecular WeightJupiterCarbon DioxideVolatilizationTime FactorsSerum Albumin, BovineBody Mass IndexBlood Proteins