Abstract
One exogenous surfactant therapy of respiratory distress syndrome (RDS) is to instillate into the lungs enough phospholipid to form a film at the alveolar interface because it has more similar surface properties that the natural surfactant. Liposomal suspensions are able to transport a large amount of phospholipids in situ; therefore, it is interesting to study the transformation of these vesicles into a surface film.
La dipalmitoylphosphatidylcholine — DPPC: La distearoylphosphatidylcholine — DSPC: soybean lecithin — SL (4:4:2) liposomes were spread at the air-physiological solution interface. The spreading kinetics were studied by means of surface pressure, surface potential, and rheological measurements. A theoretical approach to the mechanism of slow transformation of the closed bilayer structures into a surface film has been developed. The properties of surface films formed after spreading of freshly prepared or aged liposomes were compared with those of mixed DPPC:DSPC:SL(4:4:2) monolayers.
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© 1989 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
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Ivanova, T. et al. (1989). Behavior of liposomes prepared from lung surfactant analogues and spread at the air-water interface. In: Bothorel, P., Dufourc, E.J. (eds) Trends in Colloid and Interface Science III. Progress in Colloid & Polymer Science, vol 79. Steinkopff. https://doi.org/10.1007/BFb0116181
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DOI: https://doi.org/10.1007/BFb0116181
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