Studying the Internal Structure of Lamellar Systems

Small-angle X-ray scattering was used to characterize nano-structured lamellae present in a surfactant sample. The internal structure (core-shell) of the lamellae could be determined.


Small-Angle X-ray Scattering (SAXS) is a valuable tool to characterize samples containing nano-sized lamellae. These structures play an important role in several surfactant applications like detergents and drug carriers as well as in biomembranes.

SAXS allows you to gain an insight into the structure of such materials due to its sensitivity to electron den-sity variations in such inhomogeneous nanoparticulate systems. Therefore the internal lamellar structure of such samples can be determined, i.e. the thickness of the core and the shell, lamella repeat distance and the long range order of the lamellae.

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