LiposomesPhospholipidsHydrogen-Ion ConcentrationKineticsPhosphatidylcholinesPhosphatidylethanolaminesPhospholipid Transfer ProteinsMembrane LipidsPhosphatidylserinesLipid BilayersDrug CarriersPhospholipid EthersPhosphatidylglycerolsCardiolipins1,2-DipalmitoylphosphatidylcholineCholesterolFatty AcidsPhosphatidylinositolsCell MembraneLipidsDimyristoylphosphatidylcholinePolyethylene GlycolsSphingomyelinsMembranes, Artificial