EPR study of gamma induced radicals in amino acid powders |
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Authors: | Talbi S Raffi J Aréna S Colombani J Piccerelle P Prinderre P Dolo J-M |
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Institution: | LRMO, case D52, UMR 6171, Faculté des Sciences de Saint-Jér?me, 13397 Marseille 20, France. |
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Abstract: | To better understand the composite character of amino acids EPR spectra, the radiolysis and reactions which occurred after irradiation of amino acids, a comparative EPR study of a few simple amino acids has been made in order to identify qualitatively and quantitatively the different radiation-induced radicals in amino acid powders. A spin-trapping methodology has been developed and carried out on irradiated glycine, alanine and valine. |
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