Unexpected stability of phospholipid langmuir monolayers deposited on Triton X-100 aqueous solutions

We studied at the molecular level the interaction between neutral detergent Triton X-100 aqueous solution and a phospholipid Langmuir monolayer deposited on top using surface pressure measurement and grazing incidence X-ray diffraction (GIXD). Macroscopically, the detergent-phospholipid system follo...

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Bibliographische Detailangaben
Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 23(2007), 26 vom: 18. Dez., Seite 12959-65
1. Verfasser: Fontaine, Philippe (VerfasserIn)
Weitere Verfasser: Fauré, Marie Claude, Muller, François, Poujade, Mathieu, Micha, Jean-Sébastien, Rieutord, François, Goldmann, Michel
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Phospholipids Solutions Surface-Active Agents Water 059QF0KO0R Octoxynol 9002-93-1
Beschreibung
Zusammenfassung:We studied at the molecular level the interaction between neutral detergent Triton X-100 aqueous solution and a phospholipid Langmuir monolayer deposited on top using surface pressure measurement and grazing incidence X-ray diffraction (GIXD). Macroscopically, the detergent-phospholipid system follows the Gibbs law. However, GIXD shows that the detergent and the phospholipid segregate at the interface. The molecular organization of pure phospholipid domains is imposed by the detergent through surface pressure. Compression and expansion of the surface monolayer system in its final state reveal the stability of the phospholipids domains against dissolution by the detergent in the subphase, even above the detergent cmc. This resistance to dissolution is suppressed by an expansion of the monolayer
Beschreibung:Date Completed 28.01.2008
Date Revised 21.11.2013
published: Print-Electronic
Citation Status MEDLINE
ISSN:1520-5827