Radiation-induced free-radical fragmentation of ceramides in a model system |
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| Authors: | I L Yurkova J Arnhold |
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| Institution: | 1.Research Institute of Physicochemical Problems,Belarussian State University,Minsk,Belarus;2.Institute of Medical Physics and Biophysics, Medical Department,Leipzig University,Leipzig,Germany |
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| Abstract: | The radiation-initiated transformations of ceramide as a constituent of micelles were studied. An amide was identified as a ceramide γ-radiolysis product. Determination of other radiolysis products and data on the interaction of the FeSO4-H2O2-ascorbate system with ceramide lead to the conclusion that the amide is formed as a result of OH-induced fragmentation in the polar moiety of the substrate. |
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