Elucidation of the isomeric domains formed by sodium N-dodecanoyl-L-prolinate |
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Authors: | Amenitsch Heinz Bombelli Cecilia Borocci Stefano Ceccacci Francesca Mancini Giovanna Rappolt Michael |
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Institution: | Institute of Biophysics and X-ray Structure Research, Austrian Academy of Sciences, Schmiedlstrasse 6, Graz, Austria. |
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Abstract: | Investigations aimed at clarifying the nature of geometrical domains of amidic sodium N-dodecanoyl-l-prolinate are reported. NMR investigations on the association of aromatic solutes with the aggregates formed by the amidic surfactant in water show the selective binding of some solutes to the Z domains. Fluorescence quenching experiments allowed us to measure the aggregation number of the aggregates. SAXS experiments gave the average size and structural features of the aggregates. A NMR ROESY experiment evidenced the mosaic-like nature of the domains inside the same aggregate. |
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