Spectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationProteomicsElectrophoresis, Gel, Two-DimensionalMass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationIonsProteomeChromatography, LiquidCyclotronsFourier AnalysisGasesAtmospheric PressureAmino Acid SequenceChromatography, High Pressure LiquidMolecular Sequence DataElementsPeptidesGas Chromatography-Mass SpectrometryReproducibility of ResultsSpacecraftCalibrationPeptide MappingComplex MixturesSaturnIsotope LabelingSpectroscopy, Fourier Transform InfraredProteinsSensitivity and SpecificitySpectrometry, Mass, Secondary IonEquipment DesignAnalytic Sample Preparation MethodsReference StandardsIndicators and ReagentsMicrochemistryNanotechnologyEvolution, PlanetaryOxygen IsotopesTetralogy of FallotTrypsinVacuumLasersPhosphopeptidesFlowmetersFullerenesExtraterrestrial EnvironmentSolid Phase MicroextractionEquipment Failure AnalysisDeuteriumGentisatesAlgorithmsLimit of DetectionSequence Analysis, ProteinMyoglobinCoumaric AcidsChromatography, Reverse-PhaseChemistry, OrganicElectrophoresis, CapillaryInfrared RaysSolid Phase Extraction3,3'-DichlorobenzidineNitrogen IsotopesMolecular ImagingElectronsPeptide FragmentsDatabases, ProteinCattleMolecular StructureHorsesSoftwareForensic MedicineHydrogenMarsIsomerismAtmosphereIsotopesElectronicsLiquid-Liquid ExtractionVacuum CurettageMolecular WeightEnkephalin, LeucineChromatography, GasArgonSolutionsMetabolomicsMetabolomeAutomationChemical Warfare AgentsNeuromuscular Nondepolarizing AgentsSerum Albumin, BovineTime FactorsCarbon IsotopesProtein Processing, Post-TranslationalSpectrum AnalysisWaterOrganothiophosphorus CompoundsSpecimen HandlingJupiterCarbon DioxidePharmaceutical Preparations