Issue 24, 2002
From the journal:

Chemical Communications

Spin trapping of superoxide in the presence of β-cyclodextrins

Hakim Karoui,*a   Antal Rockenbauer,b   Sylvie Pietria  and  Paul Tordoa  

* Corresponding authors

a UMR 6517 CNRS and Universités d’Aix-Marseille 1 and 3, Faculté des Sciences de Saint Jérôme, Marseille, Cedex 20, France
E-mail: hakim@srepir1.univ-mrs.fr
Fax: + 33 491 988 512
Tel: + 33 491 632 851

b Chemical Research Center, Institute for Chemistry, P.O. Box 17, Budapest, Hungary
E-mail: rocky@cric.chemres.hu

Abstract

The trapping of superoxide anion with DMPO and DEPMPO has been carried out in the presence of a methylated β-cyclodextrin, Me-β-CD; inclusion of the spin adducts in the cavity of Me-β-CD resulted in a seven-fold increase of their half-life (t1/2 = 96 min for DEPMPO-superoxide spin adduct) and in their protection towards glutathione peroxidase (Gpx) and also ascorbate anion in the case of DEPMPO.

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Article information

DOI
https://doi.org/10.1039/B209787G
Article type
Communication
Submitted
07 Oct 2002
Accepted
29 Oct 2002
First published
13 Nov 2002

Chem. Commun., 2002, 3030-3031

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Spin trapping of superoxide in the presence of β-cyclodextrins

H. Karoui, A. Rockenbauer, S. Pietri and P. Tordo, Chem. Commun., 2002, 3030 DOI: 10.1039/B209787G

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