Gelled Lamellar Liquid Crystals-the interplay between liquid crystalline order and gel morphology
Gelled lyotropic liquid crystalline phases are soft materials in which the anisotropy of a lyotropic liquid crystal (LLC) is combined with the mechanical stability of a gel. The two coexisting structures can take over different functions, e.g. in transdermal drug delivery applications a gel would guarantee a convenient application while a lyotropic LC is needed for an effective solubilisation of water-insoluble drugs. Additionally, the combination of LLC and gel may result in synergistic material properties such as stimuli responsive behavior to variations in temperature. Goal of our study is to figure out how the gel network influences structure and order of the lyotropic liquid crystalline phase and vice versa. For this the gelled LLC has to be compared with its "parent systems", the non-gelled liquid crystal and the binary gel. SANS measurements will be an important complementing method to our X-ray measurements since due to contrast variations we will be able to observe the individual contributions of the sub-structures gel and liquid crystal to the scattering profile.
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DIETERICH Sonja; BRUCKNER Johanna; FISCHER Julian; Frank Giesselmann; PREVOST Sylvain; SCHNEIDER Kristina; SOTTMANN Thomas and STUBENRAUCH Cosima. (2018). Gelled Lamellar Liquid Crystals-the interplay between liquid crystalline order and gel morphology. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-11-1882
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