Catanionic mixtures
D. Carrière, L. Belloni
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Catanionic systems consist of mixtures of cationic and anionic surfactants. We focus more specifically on catanionic vesicles where the bilayer is in the solid-state ("gel-phase"). This allows exploring original, fundamental issues (peculiar morphologies, kinetic blocking, original phase transitions) as well as potential perspectives for encapsulation / vectorization / triggered release.

 

Contact: David Carrière

 

Selected publications

 

Osmotically induced deformation of capsid-like icosahedral vesicles

Bealle G, Jestin J, Carriere D
Soft Matter, 7 (2011) 1084-1089.

We have uncovered peculiar buckling transitions in icosahedral catanionic vesicles that trigger the release of any ancapsualted solutes. This provides a better understanding of the unique morphological and mechanical properties of these vesicles.


In-plane distribution in mixtures of cationic and anionic surfactants

Carriere D, Belloni L, Demé B, Dubois M, Vautrin C, Meister A, Zemb T
Soft Matter, 5 (2009) 4983-4990.

Combining small-angle neutron scattering and Monte-Carlo simulations, we have shown that catanionic bilayers present a nanometric-range order, but no superstructures, even at the preferential ratios that we have evidenced previously.


 

Fatty acid-cationic surfactant vesicles: counter-ion self-encapsulation

Kopetzki D, Michina Y, Gustavsson T, Carriere D
Soft Matter, 5 (2009) 4212-4218.

We have shown that the build-up of catanionic vesicles with solid-state bilayers ("gel-phase") is accompanied by what we have named the "self-encapsulation" of the counter-ions in the aqueous core. This leads to the spontanous formation of a transmembrane pH/salt gradient.

 

See also...

Osmotically induced deformation of capsid-like icosahedral vesicles
Bealle G, Jestin J, Carriere D
Soft Matter, 7 (2011) 1084-1089.

Interfacial behaviour of Catanionic surfactants
Stocco A, Carriere D, Cottat M, Langevin D
Langmuir 26 (2010) 10663–10669.

Absence of lateral phase segregation in fatty acid-based catanionic mixtures
Michina Y, Carriere D, Charpentier T, Brito R, Marques E, Douliez J.P., Zemb T
J. Phys. Chem. B 114 (2010) 1932–1938.

In-plane distribution in mixtures of cationic and anionic surfactants
Carriere D, Belloni L, Demé B, Dubois M, Vautrin C, Meister A, Zemb T
Soft Matter 5 (2009) 4983-4990.

Fatty acid-cationic surfactant vesicles: counter-ion self-encapsulation
Kopetzki D, Michina Y, Gustavsson T, Carriere D
Soft Matter, 5 (2009) 4212-4218.

Ripening of Catanionic Aggregates upon Dialysis
Michina Y, Carriere D, Mariet C, Moskura M, Berthault P, Belloni L, Zemb T,
Langmuir, 25 (2009) 698-706

From dispersed nanodiscs to thin films of layered organic material via reversible swelling
Dubois M, Carriere D, Iyer R, Arunagirinathan M, Bellare J, Verbavatz JM, Zemb T
Colloids And Surfaces A-Physicochemical And Engineering Aspects, 319 (2008) 90-97

Catanionic bilayers as micro-crystals with in-plane ordered alternated charges
Zemb T, Carriere D, Glinel K, Hartman M, Meister A, Vautrin C, Delorme N, Fery A, Dubois M
Colloids And Surfaces A-Physicochemical And Engineering Aspects, 303 (2007) 37-45.

Osmotic pressure in colloid science: clay dispersions, catanionics, polyelectrolyte complexes and polyelectrolyte multilayers
Carriere D, Page M, Dubois M, Zemb T, Colfen H, Meister A, Belloni L, Schonhoff M, Mohwald H
Colloids And Surfaces A-Physicochemical And Engineering Aspects303 (2007) 137-143.

Ion exchange in catanionic mixtures: From ion pair amphiphiles to surfactant mixtures
Maurer E, Belloni L, Zemb T, Carriere D
Langmuir, 23 (2007) 6554-6560.

Experimental evidence of the electrostatic contribution to the bending rigidity of charged membranes
Delorme N, Bardeau JF, Carriere D, Dubois M, Gourbil A, Mohwald H, Zemb T, Fery A
Journal Of Physical Chemistry B111 (2007) 2503-2505.

 
#1772 - Màj : 29/11/2013

 

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