Stability of C(12)E(j) Bilayers Probed with Adhesive Droplets

The stability of model surfactant bilayers from the poly(ethylene glycol) mono-n-dodecyl ether (C12Ej) family was probed. The surfactant bilayers were formed by the adhesion of emulsion droplets. We generated C12Ej bilayers by forming water-in-oil (w/o) emulsions with saline water droplets, covered...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 31(2015), 24 vom: 23. Juni, Seite 6791-6
1. Verfasser: Astafyeva, Ksenia (VerfasserIn)
Weitere Verfasser: Urbach, Wladimir, Garroum, Nabil, Taulier, Nicolas, Thiam, Abdou R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Emulsions Lipid Bilayers Surface-Active Agents dodecyloctaethyleneglycol monoether 3055-98-9 Polyethylene Glycols 3WJQ0SDW1A
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520 |a The stability of model surfactant bilayers from the poly(ethylene glycol) mono-n-dodecyl ether (C12Ej) family was probed. The surfactant bilayers were formed by the adhesion of emulsion droplets. We generated C12Ej bilayers by forming water-in-oil (w/o) emulsions with saline water droplets, covered by the surfactant, in a silicone and octane oil mixture. Using microfluidics, we studied the stability of those bilayers. C12E1 allowed only short-lived bilayers whereas C12E2 bilayers were stable over a wide range of oil mixtures. At high C12E2 concentration, a two-phase region was displayed in the phase diagram: bilayers formed by the adhesion of two water droplets and Janus-like particles consisting of adhering aqueous and amphiphilic droplets. C12E8 and C12E25 did not mediate bilayer formation and caused phase inversion leading to o/w emulsion. With intermediate C12E4 and C12E5 surfactants, both w/o and o/w emulsions were unstable. We provided the titration of the C12E2 bilayer with C12E4 and C12E5 to study and predict their stability behavior 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Lipid Bilayers  |2 NLM 
650 7 |a Surface-Active Agents  |2 NLM 
650 7 |a dodecyloctaethyleneglycol monoether  |2 NLM 
650 7 |a 3055-98-9  |2 NLM 
650 7 |a Polyethylene Glycols  |2 NLM 
650 7 |a 3WJQ0SDW1A  |2 NLM 
700 1 |a Urbach, Wladimir  |e verfasserin  |4 aut 
700 1 |a Garroum, Nabil  |e verfasserin  |4 aut 
700 1 |a Taulier, Nicolas  |e verfasserin  |4 aut 
700 1 |a Thiam, Abdou R  |e verfasserin  |4 aut 
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