Detection and structural analysis of pyrimidine-derived radicals generated on DNA using a profluorescent nitroxide probe
CHEMICAL COMMUNICATIONS(2021)
摘要
The oxidative damage of DNA is associated with aging and the development of various diseases. Although nucleoside-derived radicals play an important role in DNA oxidation, their analysis methods are limited. Herein, we propose a fluorometric detection and structural analysis of radicals on the surface of oxidatively damaged DNA using a profluorescent nitroxide probe combined with liquid chromatography-fluorometry and high-resolution tandem mass spectrometry.
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