Mathematics – Logic
Scientific paper
Oct 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..181s&link_type=abstract
Advances in Space Research, Volume 14, Issue 10, p. 181-201.
Mathematics
Logic
Scientific paper
The relation between the site of energy deposition and the site of its biological action is an important question in radiobiology. Even at 77°K, evidence is clear that these two sites must be separated since energy deposition is random but specific products are formed. Several processes that may contribute to this separation are: 1) hole migration and stabilization through deprotonation to give neutral oxidation product radicals; 2) electron trapping and transfer to form specific radical anions, possibly followed by protonation to give neutral reduction product radicals; and 3) recombination of spatially separated charges or radicals. These microscopic processes will be reviewed critically in an analysis using electron paramagnetic resonance spectroscopy (EPR) evidence for and against long-range transfer of energy and/or charge in frozen, hydrated DNA.
Miller J. H. J.
Myers L. S.
Swenberg C. E.
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