title: gamma-Ray-induced demethylation of thymine-(methyl-14C) in aqueous solution.
abstract: gamma-Ray-induced demethylation of thymine in deaerated aqueous solution was observed and quantitatively measured for the first time using thymine-(methyl-14C). An airfree 5 x 10(-5) M aqueous solution was irradiated with doses of 2 x 10(3)-2 x 10(4) Gy. Radio-gaschromatographic analyses provided proof for the formation of methanol (G - 7.6 x 10(-3)), and methane (G = 2.5 x 10(-5)).
mesh_terms: D001976:Bromouracil / Q000528:radiation effects; D002250:Carbon Radioisotopes; D003640:Dealkylation; D005720:Gamma Rays; D012996:Solutions; D013941:Thymine / Q000528:radiation effects*
chemical_list: D002250:Carbon Radioisotopes; D012996:Solutions; D001976:Bromouracil; D013941:Thymine