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The first purification and unequivocal characterization of the radical form of the carbon-centered quinone ketoxy radical adduct
Author(s) -
ChunHua Huang,
Guoqiang Shan,
Li Mao,
Balaraman Kalyanaraman,
Hao Qin,
Fu-Rong Ren,
BenZhan Zhu
Publication year - 2013
Publication title -
chemical communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.837
H-Index - 333
eISSN - 1364-548X
pISSN - 1359-7345
DOI - 10.1039/c3cc42732c
Subject(s) - adduct , quinone , chemistry , high performance liquid chromatography , spin trapping , carbon fibers , resolution (logic) , characterization (materials science) , hydroxyl radical , photochemistry , chromatography , radical , organic chemistry , materials science , nanotechnology , artificial intelligence , composite number , computer science , composite material
We found, unexpectedly, that the radical form of the carbon-centered quinone ketoxy radical adduct with a recently developed spin-trapping agent BMPO can not only be directly detected and identified using HPLC/high resolution MS, but can also be isolated and purified using semi-preparative HPLC, enabling direct observation of its clean 6-line ESR signal.

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