Electron Spin Resonance Technique for investigating Reactions of Free Radicals with Compounds of Biological Interest: Nucleic Acid Constituents

EARLIER, Ingalls and Wall 1,2 reported the use of electron-spin resonance spectroscopy to investigate the reactions of hydrogen and other gaseous free radicals with polymers in a finely divided fluff state. Such fluffs are highly accessible to gaseous free radicals, and react readily to produce poly...

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Bibliographic Details
Published in:Nature (London) 1966-03, Vol.209 (5027), p.1017-1018
Main Authors: HOLMES, D. E, MYERS, L. S, INGALLS, R. B
Format: Article
Language:English
Subjects:
Chemical Phenomena
Chemistry
Deuterium
Electron Spin Resonance Spectroscopy
Humanities and Social Sciences
Hydrogen
letter
multidisciplinary
Science
Science (multidisciplinary)
Thymidine
Thymine
Uracil
Uracil Nucleotides
Uridine
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Summary:EARLIER, Ingalls and Wall 1,2 reported the use of electron-spin resonance spectroscopy to investigate the reactions of hydrogen and other gaseous free radicals with polymers in a finely divided fluff state. Such fluffs are highly accessible to gaseous free radicals, and react readily to produce polymer radicals which are stabilized by their immobility and separation from one another. Consequently, during exposure to a stream of gaseous atoms, easily observable numbers of polymer radicals rapidly accumulate. A limitation of this technique is that only high-molecular weight materials can be prepared as fluffs. This communication describes a general method of radical stabilization which permits investigation of materials of low molecular weight, and discusses spectra illustrating their application.
ISSN:0028-0836
1476-4687
DOI:10.1038/2091017a0