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1983 (1)
1Author    J. Cadet, L. Voituriez, M. Berger, L. S. MyersRequires cookie*
 Title    Radiation-Induced Degradation of Purine and Pyrimidine 2'-Deoxyribonucleosides in Aqueous KBr Solutions  
 Abstract    Steady-state y-radiolysis of 5 x 10 -4 M pyrimidine and purine 2'-deoxyribonucleosides in aqueous solutions saturated with N2, N2O and O2, respectively, have been carried out in the presence of 0.1 M KBr. The main final degradation products have been isolated and characterised by various spectroscopic measurements including !H and 13 C NMR, UV, C.D. and mass spectrometry. The radiation-induced decomposition of thymidine is mostly accounted for by an ionic mechanism involving Br2, the decay product of Br2 --, as the reactive oxidising specie. On the other hand the degradation of the purine ring of 2'-deoxy-adenosine and 2'-deoxyguanosine may be accounted for by the action of Br2 --or Br3-2_ . 
  Reference    Z. Naturforsch. 38b, 1643—1651 (1983); received August 4/July 28 1983 
  Published    1983 
  Keywords    2'-Deoxyribonucleosides, Inorganic Radical, y-Irradiation, Radical Reactions, Thymidine Oxidation 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1643.pdf 
 Identifier    ZNB-1983-38b-1643 
 Volume    38