Semiquinone anion radicals of catechol(amine)s, catechol estrogens, and their metal ion complexes. | Zendy

Balaraman Kalyanaraman | Zendy; Christopher C. Felix | Zendy; Roger C. Sealy | Zendy

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Semiquinone anion radicals of catechol(amine)s, catechol estrogens, and their metal ion complexes.

Author(s) -

Balaraman Kalyanaraman,

Christopher C. Felix,

Roger C. Sealy

Publication year - 1985

Publication title -

environmental health perspectives

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.257

H-Index - 282

eISSN - 1552-9924

pISSN - 0091-6765

DOI - 10.1289/ehp.8564185

Subject(s) - catechol , semiquinone , radical , chemistry , electron paramagnetic resonance , amine gas treating , photochemistry , metal ions in aqueous solution , ion , metal , inorganic chemistry , redox , organic chemistry , nuclear magnetic resonance , physics

The characterization and identification of semiquinone radicals from catechol(amine)s and catechol estrogens by electron spin resonance spectroscopy is addressed. The use of diamagnetic metal ions, especially Mg2+ and Zn2+ ions, to detect transient semiquinone radicals in biological systems and to monitor their reactions, is discussed. A brief account of the identification and reactions of quinones is also presented.

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