Mass SpectrometryComplex MixturesTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationGas Chromatography-Mass SpectrometryChromatography, LiquidChromatography, High Pressure LiquidProteomicsMolecular Sequence DataProteomeAmino Acid SequenceSpectrometry, Mass, Secondary IonMolecular StructurePeptidesMagnetic Resonance SpectroscopySpectrometry, Mass, Fast Atom BombardmentElectrophoresis, Gel, Two-DimensionalProteinsReproducibility of ResultsHydrocarbonsIsotope LabelingPeptide MappingChromatography, GasCarbohydrate SequenceIonsEnvironmental MonitoringPolycyclic CompoundsAir PollutantsEnvironmental PollutantsChromatography, Thin LayerWater Pollutants, ChemicalReference StandardsSensitivity and SpecificityOrganic ChemicalsModels, ChemicalMetabolomicsChemical FractionationFuel OilsPeptide FragmentsDeuterium Exchange MeasurementPolycyclic Hydrocarbons, AromaticPetroleumVolatilizationCattleChemistry Techniques, AnalyticalGasesOligosaccharidesPolychlorinated BiphenylsTrypsinProtein BindingCalibrationSmogPolysaccharidesBiotransformationMolecular WeightIsomerismDNA AdductsElectrophoresis, Polyacrylamide GelKineticsModels, MolecularDeuteriumChromatography, Ion ExchangeOxidation-ReductionPlant ExtractsOdorsProtein Processing, Post-TranslationalSolid Phase ExtractionLimit of DetectionTime FactorsAmino AcidsSolventsCarcinogensAlgorithmsToxicity TestsHydrolysisGlycosylationNanotechnologyIndicators and ReagentsEscherichia coliBase SequenceMutagenicity TestsBenzo(a)pyreneBiological AssaySpectroscopy, Fourier Transform InfraredDioxinsUnited States Environmental Protection AgencyBody Mass IndexChemical PhenomenaGlycopeptidesXenobioticsEnvironmental ExposureSubstance Abuse DetectionBacterial ProteinsCoal TarEstersModels, BiologicalRecombinant ProteinsBiological MarkersFourier Analysis