Free radicals induced in solid DNA by heavy ion bombardment
- 1 March 1993
- journal article
- Published by Taylor & Francis in Radiation Effects and Defects in Solids
- Vol. 126 (1), 381-384
- https://doi.org/10.1080/10420159308219746
Abstract
ESR-spectroscopy was used to study free radical formation in solid, polycrystalline pellets of DNA-subunits after heavy charged particle bombardment and after X-ray irradiation. Dose-yield curves were measured at 300 K and analyzed for initial G-values (radicals per 100 eV absorbed energy) and saturation concentrations. Both parameters show a characteristic LET-dependence which will be discussed in terms of the inhomogenous distributions of energy within the particle tracks.Keywords
This publication has 4 references indexed in Scilit:
- LET, track structure and modelsRadiation and Environmental Biophysics, 1992
- Direct radiation action of heavy ions on DNA as studied by ESR-spectroscopyAdvances in Space Research, 1992
- The Polymorphism of a Cytosine Anion Studied by Electron Paramagnetic Resonance SpectroscopyInternational Journal of Radiation Biology, 1991
- Heavy-ion-induced free radical formation in solid DNA-constituents: Quantitative and structural aspectsInternational Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes, 1989