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Erben-Russ, M. ; Bors, W. ; Winter, R. ; Saran, M.

The reaction of sulfite anion radical (SO.- 3) with polyunsaturated fatty acids.

Radiat. Phys. Chem. 27, 419-424 (1986)
DOI
Open Access Green as soon as Postprint is submitted to ZB.
Using the pulse radiolysis technique, SO.- 3 was produced in aqueous solution by the reaction of SO2- 3 with either .OH or the (pseudo-) halide radicals N. 3, Br.- 3, and (SCN).- 2; for the latter reactions rate constants were measured. The reaction of SO.- 3 with linoleic, linolenic, and arachidonic acids was monitored using the strong absorption of the pentadienyl radical, one possible primary reaction product. In micellar systems no detectable reaction took place, however, monomeric fatty acids were observed to react with SO.- 3. Lower limits of the rate constants for SO.- 3 attack derived from the data are 1 × 105, 8 × 105, and 1.3 × 106 (dm3 mol-1 s-1) for linoleate, linolenate, and arachidonate, respectively.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
ISSN (print) / ISBN 0969-806X
e-ISSN 1879-0895
Journal Radiation Physics and Chemistry
Quellenangaben Volume: 27, Issue: 6, Pages: 419-424 Article Number: , Supplement: ,
Publisher Elsevier
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Radiation Biology (ISB)