Structure, interfacial film properties, and thermal fluctuations of microemulsions as seen by scattering experiments

Abstract

The physics of microemulsions and in particular Dominique Langevin's contributions to the understanding of microemulsion structure and bending properties using scattering techniques are reviewed. Among the many methods used by her and her co-workers, we particularly emphasize optical techniques and small angle neutron scattering (SANS), but also neutron spin echo spectroscopy (NSE). The review is then extended to more recent studies of properties of microemulsions close to surfaces, using reflectometry and grazing-incidence small angle neutron scattering (GISANS).

Effect of hydrophobically modified PEO polymers (PEO-dodecyl) on oil/water microemulsion properties: in vitro and in silico investigations

“…[14][15][16][17] The interfacial lm formed by the surfactant molecules is characterized by its tension, its rigidity, and its spontaneous curvature. [18][19][20][21] Their relative importance depends on the stresses undergone by the lm which determines the physical properties of microemulsions such as their phase behavior, their stability, their structure, and their solubilization capacity. [22][23][24][25] Although there are still few products on the market, microemulsions exhibit remarkable properties, in particular an ultralow water/oil interfacial tension 26,27 and a high solubilizing power both towards hydrophilic and lipophilic compounds.…”

Understanding near-surface polymer dynamics by a combination of grazing-incidence neutron scattering and virtual experiments

“…In GINSES experiments, an approach similar to other techniques using grazing-incidence geometry [e.g. grazingincidence small-angle neutron scattering (Wolff et al, 2014;Oberdisse & Hellweg, 2017)] is applied. For soft-matter systems, the sample (microgels, brushes etc.)…”

A novel microemulsion-based isotonic perfusate modulated by Ringer’s solution for improved microdialysis recovery of liposoluble substances

“…The microemulsion consisted of four components: oil, water, a surfactant, and a co-surfactant [ 14 ]. Ethyl oleate with stable physicochemical properties was selected as the oil phase.…”