X-ray and neutron-scattering study of the lamellar and L3 phases of the system aerosol-OT-water: effect of NaCl and decane

Phase Behavior of Amphiphilic Diblock Co-oligomers with Nonionic and Ionic Hydrophilic Groups

“…Similar features have been reported previously in X-ray and neutron scattering spectra from lamellar phases, and have been attributed to modulation of Bragg peak intensities by bilayer form factor effects. 38,45 All of these features were very well described by the head−tail lamellar model, shown in Figure 7 as solid lines. As in the case of the HEA 5 -BA y -C 4 RAFT bilayers, this implies that the BA tails are intercalated with the tails of the opposing membrane.…”

Transition from micelle to vesicle in aqueous mixtures of anionic/zwitterionic surfactants studied by fluorescence, conductivity, and turbidity methods

“…The phase diagram of AOT in water or in brine (NaCl solutions) has been studied for more than 25 years [21][22][23]. Double-tailed AOT molecules may form bilayers in aqueous solution, and then form vesicles spontaneously at high concentrations or in salt solution.…”

Structure and size of spontaneously formed aggregates in Aerosol OT/PEG mixtures: Effects of polymer size and composition

“…We choose Aerosol OT because it forms spontaneous vesicles in water [16] in some surfactant concentrations. In addition, its phase diagram in water and in saline solutions has been studied by means X-ray and SANS experiments [16][17][18][19][20]. In the dilute part of the diagram the micellar phase predominates at AOT mass fractions below 1.4%, while between 1.4 and 10% micelles are in equilibrium with vesicles; finally up to 10% of AOT mass fractions the existence of a single lamellar domain is not clear [16].…”