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Homocysteine sulfinyl radical (SO⋅Hcy) is a reactive intermediate involved during oxidative damage of DNA in the presence of high concentrations of homocysteine (Hcy). The short lifetime of SO⋅Hcy makes its preparation, isolation, and characterization challenging using traditional chemical measurement tools. Herein, we demonstrate the first study on mass‐selected protonated SO⋅Hcy ions in the gas...
The homocysteine sulfinyl radical (SO⋅Hcy) is a reactive intermediate resulting from oxidative damage of homocysteine. The intrinsic properties of SO⋅Hcy have been probed through gas‐phase unimolecular dissociation of the protonated ions and theoretical calculations. As a contrast to cysteine sulfinyl radical, the more flexible side chain in homocysteine promotes the base property of sulfinyl radical...
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