L-tryptophan transport through a hydrophobic liquid membrane using AOT 
micelles: dynamics of the process as revealed by small angle X-ray scattering.

Rinaldi, Roberto; Volpe, PL; Torriani, IL

doi:10.1016/j.jcis.2007.10.012

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L-tryptophan transport through a hydrophobic liquid membrane using AOT micelles: dynamics of the process as revealed by small angle X-ray scattering.

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Rinaldi, Roberto
Research Group Rinaldi, Max-Planck-Institut für Kohlenforschung, Max Planck Society;
Instituto de Química, Universidade Estadual de Campinas, P.O. Box 6154, 13084-971, Campinas, SP, Brazil.;

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Citation

Rinaldi, R., Volpe, P., & Torriani, I. (2008). L-tryptophan transport through a hydrophobic liquid membrane using AOT micelles: dynamics of the process as revealed by small angle X-ray scattering. Journal of Colloid and Interface Science, 318(1), 59-67. doi:10.1016/j.jcis.2007.10.012.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0024-21A8-3

Abstract

Hydrophobic liquid membranes have a high technological potential in many fields of separation science. The dynamics of these systems is very complex and still not fully understood. In this work we studied the effect of the incorporation of cationic and anionic l-tryptophan at pH 1.8 and 10.0, respectively, in Aerosol-OT reverse micelles performing small angle X-ray scattering experiments. The use of a synchrotron radiation source allowed efficient in situ data acquisition. Several insights on l-tryptophan transport dynamics through hydrophobic membranes containing AOT could be obtained from these SAXS experiments, such as amino acid site localization and changes in the reverse micelle sizes.