Detection of structural defects in lecithin membranes by the small-angle neutron scattering method

Irregularities interpreted as interdomain defects have been detected in model lipid membranes of dipalmitoil lecithin in liquid Lα-phase by the method of small-angle scattering (lateral diffraction). The dimensions and concentrations of the defects were about those supposed within the dynamic cluster model of bilayer (Ivkov, 1984). No irregularities were detected in the solid Lβ'-phase (the diffusion scattering intensity was at least ten times less)