Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/52867
Type: Artigo de periódico
Title: L-tryptophan transport through a hydrophobic liquid membrane using AOT micelles: Dynamics of theprocess as revealed by small angle X-ray scattering
Author: Rinaldi, R
Volpe, PLO
Torriani, IL
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. (c) 2007 Elsevier Inc. All rights reserved.
Subject: hydrophobic liquid membrane
small angle X-ray scattering
reverse micelles
amino acid transport
aerosol-OT
L-tryptophan
Country: EUA
Editor: Academic Press Inc Elsevier Science
Rights: fechado
Identifier DOI: 10.1016/j.jcis.2007.10.012
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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