Surface TensionWaterPulmonary SurfactantsSurface-Active AgentsWater SupplyPulmonary Surfactant-Associated Protein BAirAdsorptionPulmonary Surfactant-Associated ProteinsSurface PropertiesProteolipidsPulmonary Surfactant-Associated Protein APhysical Processes1,2-DipalmitoylphosphatidylcholinePulmonary AlveoliViscosityFresh WaterBody WaterWetting AgentsPulmonary Surfactant-Associated Protein CPhosphatidylglycerolsPharmaceutical SolutionsLung ComplianceWater PollutionWater PurificationPhospholipidsMicellesFunctional Residual CapacityLipid BilayersWettabilityPressureBiological ProductsBiophysical PhenomenaBiophysicsPhosphatidylcholinesSolutionsMembranes, ArtificialAlkanesThermodynamicsPhase TransitionElasticityTotal Lung CapacityTemperatureLung Volume MeasurementsModels, ChemicalLungWater Pollutants, ChemicalDimethylpolysiloxanesSolventsModels, BiologicalSiloxanesWater PollutantsMuscle ContractionSiliconesComplex MixturesEustachian TubeEmulsionsMicroscopy, Atomic ForceStress, MechanicalRespiratory Physiological PhenomenaFiltrationComputer SimulationChemistry, PhysicalMicrofluidicsHydrophobic and Hydrophilic InteractionsGramicidinMolecular ConformationOilsPharmaceutical VehiclesPhysicochemical PhenomenaParticle SizeMembrane FluidityOxygenHyaline Membrane DiseasePulmonary Surfactant-Associated Protein D