2014 The validity of the customary method for diluting water in oil (w/o) microemulsions is discussed. In concentrated systems and in the vicinity of critical consolute points, the method has deficiencies. J. Physique LETTRES 44 (1983) L-593 L-599 15 WILLET 1983, Classification Physics Abstracts 78.20J 78.35 82.70

The ionic liquid (IL), tetrabutylphosphonium trifluoroacetate ([P4444][CF3COO]), showed a low critical solution temperature (LCST)-type phase transition in water. Using this temperature-sensitive IL and the Triton X-100/H2O system, the reversible transformation between micelles and microemulsions was thus realized by a thermal stimulus for the first time.

Multimodal Gold-speckled silica nanoparticles as contrast agents for noninvasive imaging with magnetic resonance imaging and photoacoustic tomography have been prepared in a simple one-pot synthesis using nonionic microemulsions. Magnetic resonance contrast is provided through gadolinium incorporated in the silica matrix, whereas the photoacoustic signal originates from nonuniform, discontinuou...

2014 In this paper we present a unified description of the interactions in liquid isotropic and liquid crystal phases of microemulsions. A microscopic model taking into account the entropic, bending and interaction free energies is used to deduce theoretical phase diagrams and the relative stability of the isotropic (microemulsion), lamellar and hexagonal phases is discussed. J. Physique 47 (19...

Freeze-fracture electron microscopy of protein-free lipoprotein analogues consisting of polar phospholipids with neutral lipid cores shows that these systems can exhibit novel, smooth crossfracture faces. Resolution of these features can be enhanced by etching techniques. This novel particle morphology provides a new procedure to characterize microemulsions composed of polar and neutral lipids.

To initiate our research into the development of biocompatiîle gelled-microemulsions based on essential oils (EOs) and sucrose esters (SEs) for topical delivery fluconazole, this formulation study investigated usefulness two relatively harmless natural non-ionic surfactants from group SEs (sucrose laurate stearate) to form, in presence antifungal EOs, stable, isotropic microemulsions effective ...

background: in the recent years nanostructured materials have been the focus of researches due to their wide-spread possibilities to provide new shapes and structures for some materials. microemulsions can provide uniform nano-sized droplets for templating. microemulsions are isotropic, thermodynamically-stable systems of oil, water and surfactant with a 20-200 nm droplet size. they can be prep...

1 Centro de Investigación en Materiales Avanzados, S. C. (CIMAV, Unidad Monterrey), GENES-Group of Embedded Nanomaterials for Energy Scavenging, Apodaca 66600, Mexico 2 KTH-Royal Institute of Technology, School of Chemical Science and Engineering, Department of Chemical Engineering and Technology, Stockholm 10044, Sweden; [email protected] * Correspondence: [email protected]; Tel.:...

2014 We describe a method for the measurement of interfacial tensions in the millidyne/cm range by measuring the diffuse part of the total internally reflected light produced when the interfaces are illuminated close to the critical angle. This method has been used to measure the optimal interfacial tension in toluene-brine microemulsions in simultaneous equilibrium with the oil and aqueous pha...