SolventsPhase TransitionRheiformesChromatography, High Pressure LiquidApatitesChromatography, GasLiquid Phase MicroextractionWaterChromatography, LiquidVolatilizationIonic LiquidsAirTemperatureSolutionsHydroxyapatitesCalcium PhosphatesLipid BilayersX-Ray DiffractionChemistry, PhysicalMembrane Fluidity1,2-DipalmitoylphosphatidylcholineTandem Mass SpectrometryModels, ChemicalMolecular ConformationPhysicochemical PhenomenaSuccinic AcidLimit of DetectionSolubilityPhosphatidylcholinesBlood Chemical AnalysisSpectrometry, Mass, Electrospray IonizationGas Chromatography-Mass SpectrometryHydrogen-Ion ConcentrationLiquid CrystalsThermodynamicsMembrane LipidsSurface PropertiesCalibrationSolid Phase ExtractionMaterials TestingReproducibility of ResultsAcetonitrilesCholesterolReference StandardsSubstance Abuse DetectionCattleDiffusionMass SpectrometryChemistry, ClinicalTime FactorsPressureElectrophoresis, CapillaryHexanesKineticsSensitivity and SpecificityPhospholipidsChemistry Techniques, AnalyticalMethanolDrug StabilitySolid Phase MicroextractionIndicators and ReagentsImmunoassayOrganic ChemicalsAutoanalysisQuality ControlSpectrophotometry, UltravioletSpecimen HandlingBiosensing TechniquesChromatography, Micellar Electrokinetic CapillaryElectrophoresis, MicrochipAnalytic Sample Preparation MethodsBlood Specimen CollectionMolecular StructureLiquid-Liquid ExtractionPaintChromatography, Reverse-PhaseMorphine DerivativesTolueneElectrolytesPharmaceutical PreparationsUrinalysisForensic MedicineElectrochemistryDimethylformamideElectrochemical TechniquesModels, MolecularAntibodies, ImmobilizedMicrochemistryDrug ResiduesAcetoneMeconiumForensic ToxicologyChemical FractionationStereoisomerismAtmospheric PressureMagnetic Resonance SpectroscopyNarcoticsReference ValuesPesticide ResiduesFlame Ionization