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Development of a model system for the study of long distance electron transfer in peptides

Cordes, Meike and Jacques, Olivier and Koettgen, Agnieszka and Jasper, Christian and Boudebous, Hassen and Giese, Bernd. (2008) Development of a model system for the study of long distance electron transfer in peptides. Advanced synthesis & catalysis, Vol. 350. pp. 1053-1062.

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Official URL: http://edoc.unibas.ch/dok/A5248830

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Abstract

We have designed and synthesized a peptide model in which stepwise electron transfer (ET) through amino acid side chains could be observed. An injection system, which generates an electron hole upon laser irradiation, was connected directly to the aromatic side chain of a modified C-terminal amino acid. This electron acceptor could be observed by transient absorption spectroscopy. The N-terminal amino acid tyrosine acts as an electron donor, giving a different signal in the transient absorption spectrum. Additional non-natural oxidizable aromatic amino acids were synthesized as spectroscopic sensors to detect oxidized amino acid side chains as chemical intermediates in long range ET.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Former Organization Units Chemistry > Bioorganische Chemie (Giese)
UniBasel Contributors:Giese, Bernd
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Wiley-VCH
ISSN:1615-4169
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:30
Deposited On:22 Mar 2012 14:14

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