We study by synchrotron small-angle x-ray scattering highly aligned lamellar phases of a zwitterionic surfactant, doped with monodisperse and spherical hydrophobic inorganic particles as a function of particle concentration. Analysis of the structure factor of the two-dimensional fluid formed by the particles in the plane of the bilayer gives access to their membrane-mediated interaction, which is repulsive, with a contact value of about 4kBT and a range of 14 Å. Systematic application of this technique should lead to a better understanding of the interaction between membrane inclusions. © 2008 The American Physical Society.
CITATION STYLE
Constantin, D., Pansu, B., Impéror, M., Davidson, P., & Ribot, F. (2008). Repulsion between inorganic particles inserted within surfactant bilayers. Physical Review Letters, 101(9). https://doi.org/10.1103/PhysRevLett.101.098101
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