Confined diffusion in a sponge phase

Amir Maldonado; Claude Nicot; Marcel Waks; Raymond Ober; Wladimir Urbach; Dominique Langevin

doi:10.1021/jp0266751

Confined diffusion in a sponge phase

Amir Maldonado^*, Claude Nicot, Marcel Waks, Raymond Ober, Wladimir Urbach, Dominique Langevin

^*Autor correspondiente de este trabajo

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

9 Citas (Scopus)

Resumen

Three water-soluble probes with different hydrodynamic radii have been studied by self-diffusion experiments in the sponge (L₃) phases of a zwitterionic surfactant system. In all cases, the self-diffusion coefficient varies linearly with the bilayer volume fraction. The available theories for rigid porous media cannot completely explain our results. Deviations from theoretical predictions appear for bilayer volume fractions greater than 0.2. The L₃ phase cannot be therefore pictured as a disordered network of rigid surfaces at least for transport behavior.

Idioma original	Inglés
Páginas (desde-hasta)	2893-2897
Número de páginas	5
Publicación	Journal of Physical Chemistry B
Volumen	108
N.º	9
DOI	https://doi.org/10.1021/jp0266751
Estado	Publicada - 4 mar. 2004
Publicado de forma externa	Sí

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abstract = "Three water-soluble probes with different hydrodynamic radii have been studied by self-diffusion experiments in the sponge (L3) phases of a zwitterionic surfactant system. In all cases, the self-diffusion coefficient varies linearly with the bilayer volume fraction. The available theories for rigid porous media cannot completely explain our results. Deviations from theoretical predictions appear for bilayer volume fractions greater than 0.2. The L3 phase cannot be therefore pictured as a disordered network of rigid surfaces at least for transport behavior.",

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AU - Maldonado, Amir

AU - Nicot, Claude

AU - Waks, Marcel

AU - Ober, Raymond

AU - Urbach, Wladimir

AU - Langevin, Dominique

PY - 2004/3/4

Y1 - 2004/3/4

N2 - Three water-soluble probes with different hydrodynamic radii have been studied by self-diffusion experiments in the sponge (L3) phases of a zwitterionic surfactant system. In all cases, the self-diffusion coefficient varies linearly with the bilayer volume fraction. The available theories for rigid porous media cannot completely explain our results. Deviations from theoretical predictions appear for bilayer volume fractions greater than 0.2. The L3 phase cannot be therefore pictured as a disordered network of rigid surfaces at least for transport behavior.

AB - Three water-soluble probes with different hydrodynamic radii have been studied by self-diffusion experiments in the sponge (L3) phases of a zwitterionic surfactant system. In all cases, the self-diffusion coefficient varies linearly with the bilayer volume fraction. The available theories for rigid porous media cannot completely explain our results. Deviations from theoretical predictions appear for bilayer volume fractions greater than 0.2. The L3 phase cannot be therefore pictured as a disordered network of rigid surfaces at least for transport behavior.

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Confined diffusion in a sponge phase

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