Influence of Nucleic Acid Bases on the Light-induced Reduction of Methylene Blue: ESR and Optical Measurements
نویسنده
چکیده
The effect of the nucleic acid bases adenine, cytosine, thymine, uracil, and 5-bromo-uracil on the light-induced reduction of methylene blue in dimethylsulfoxide has been investigated by means of ESR and optical absorption studies. It could be shown that the nucleic acid bases act as electron acceptors. The experimentally obtained electron affinities are of the following order: cytosine > adenine > thymine » uracil and confirm, thus, the theoretical predictions.
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