Summary.
The standard Gibbs energies of transfer of anions and cations of amino acids and small peptides across the water nitrobenzene interface were determined with the help of a novel electrochemical technique using three-phase electrodes. This is the first time that reliable data are reported for the anions of amino acids. The main result is that the standard Gibbs energies of transfer of the anion and cation of an amino acid are almost the same.
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Received March 13, 2002 Accepted May 13, 2002 Published online September 10, 2002
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ID="*" On leave from: Institute of Chemistry, Faculty of Natural Sciences and Mathematics, “Sv. Kiril i Metodij” University, P.O. Box 162, 1000 Skopje, Republic of Macedonia
Acknowledgments R. Gulaboski thanks Deutscher Akademischer Austauschdienst (DAAD) for provision of a PhD scholarship, V. Mirčeski thanks A. v. Humboldt-Stiftung for provision of a Humboldt fellowship, and F. Scholz acknowledges support by Deutsche Forschungemeinshaft (DFG) and Fonds der Chemischen Industrie (FCI).
Authors' address: Prof. Dr. Fritz Scholz, Institut für Chemie und Biochemie, Ernst-Moritz-Arndt-Universität Greifswald, Sold-mannstraße 23, D-17489 Greifswald, Germany, Fax: +49+(0)3834-86 4451, E-mail: fscholz@uni-greifswald.de
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Gulaboski, R., Mirčeski, V. & Scholz, F. Determination of the standard Gibbs energies of transfer of cations and anions of amino acids and small peptides across the water nitrobenzene interface. Amino Acids 24, 149–154 (2003). https://doi.org/10.1007/s00726-002-0320-x
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DOI: https://doi.org/10.1007/s00726-002-0320-x