Quaternary Ammonium CompoundsBenzalkonium CompoundsDisinfectantsIodine CompoundsCetylpyridiniumCetrimonium CompoundsAnti-Infective Agents, LocalPulmonary SurfactantsGlutaralTrimethyl Ammonium CompoundsAmmonium CompoundsDrug Resistance, BacterialMicrobial Sensitivity TestsStaphylococcusDrug Resistance, MicrobialAnti-Bacterial AgentsStaphylococcus aureusSurface-Active AgentsBacterial ProteinsChlorhexidineProtein Structure, QuaternaryCholinePulmonary Surfactant-Associated Protein APulmonary Surfactant-Associated ProteinsSurface TensionAmmonium SulfateProteolipidsPulmonary Surfactant-Associated Protein DPulmonary Surfactant-Associated Protein BBromidesEscherichia coliAmmonium Chloride