PolysorbatesEmulsifying AgentsPulmonary SurfactantsEmulsionsSurface-Active AgentsExcipientsNanospheresSoybean OilOilsAntifoaming AgentsPulmonary Surfactant-Associated Protein AGum ArabicPulmonary Surfactant-Associated ProteinsCocosSurface TensionParticle SizeHydrocarbonsArthrobacterProteolipidsPulmonary Surfactant-Associated Protein DPulmonary Surfactant-Associated Protein BAlkanesFatsDrug StabilityChemistry, PharmaceuticalDrug CompoundingPulmonary Surfactant-Associated Protein CDrug CarriersWaterSolubility1,2-DipalmitoylphosphatidylcholineRespiratory Distress Syndrome, NewbornPulmonary AlveoliLungBiological ProductsPhosphatidylglycerolsCetrimonium CompoundsPhospholipidsMicellesBronchoalveolar Lavage FluidAdsorptionSurface PropertiesFatty AlcoholsPhosphatidylcholinesLung ComplianceAirBronchoalveolar LavagePneumocytes