Effects of Ionizing Radiation on Dried Spores ofOsmunda Regalis
- 1 January 1970
- journal article
- research article
- Published by Taylor & Francis in International Journal of Radiation Biology and Related Studies in Physics, Chemistry and Medicine
- Vol. 18 (5) , 451-461
- https://doi.org/10.1080/09553007014551341
Abstract
Spores were irradiated and their E.S.R. signals studied. The radiation-produced radicals fall into six distinct groups, only one of which reacts with O2. The groups were characterized by their behaviour in N2, O2 and NO. These gases were chosen for their ability to modify biological radiation damage. In control experiments with unirradiated spores the endogenous radical populations were examined. Surface radicals were observed which react reversibly with O2, NO and NO2.Keywords
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