Volatile Organic CompoundsAtmosphereBiogenic AminesReceptors, Biogenic AmineOctopamineBiogenic PolyaminesBiogenic MonoaminesAir MicrobiologyPositron-Emission TomographyTyramineAerosol PropellantsNebulizers and VaporizersParticle SizeOtoacoustic Emissions, SpontaneousTomography, Emission-ComputedAdministration, InhalationVehicle EmissionsSerotoninRadiopharmaceuticalsEnvironmental MonitoringFluorodeoxyglucose F18Inhalation ExposurePentanesAcid RainAir PollutantsGreenhouse EffectTomography, Emission-Computed, Single-PhotonHumidityAir MovementsPolyphloretin PhosphateCalcium CarbonateLungParticulate MatterVesicular Biogenic Amine Transport ProteinsUranium CompoundsAir Pollutants, OccupationalGasesMethaneHistamineSpectrometry, X-Ray EmissionOceans and SeasDopamineNorepinephrine Plasma Membrane Transport ProteinsArgasMonoamine OxidaseFluorine RadioisotopesBrainLactobacillalesSulfuric AcidsFerrosoferric OxideTechnetium Tc 99m PentetateSolar SystemSpectrometry, FluorescenceKynuraminePowdersArgasidaeOzoneTyrosine DecarboxylaseHemiterpenesGeologic SedimentsLactobacillus fermentumManganese CompoundsOrganic ChemicalsSmogHydroxyindoleacetic AcidCarbonOxidesCoalCarbon FootprintChromatography, Micellar Electrokinetic CapillaryVolatilizationChlorpheniramineClimatic ProcessesTime FactorsCarbonatesVentilationEquipment DesignRespiratory Protective DevicesWater Pollutants, RadioactivePower PlantsNorepinephrineNasal SpraysSerotonin Plasma Membrane Transport ProteinsFiltrationCarbon DioxideMetiamide