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Free Radical Research Communications Volume 6, 1989 - Issue 2-3
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Original Article

Free Radical Formation in Single Crystals of 2′-Deoxyguanosine 5′-Monophosphate, and Guanine Hydrobromide Monohydrate After X-Irradiation at 10 and 65 K: An Esr, Endor and Fse Study

Eli O. Hole University of Oslo, Norway
,
Einar Sagstuen University of Oslo, Norway
,
William H. Nelson Georgia State University, Atlanta, GA, USA
&
David M. Close East Tennessee State University, Johnson City, TN, USA
Pages 87-90 | Published online: 07 Jul 2009

References

  • Gräslund A., Ehrenberg A., Rupprecht A., Strom G. Ionic base radical in γ-irradiated DNA. Biochim. Biophys. Acta. 1971; 254: 172
  • Hütermann J., Voit K., Oloff H., Gräund A., Rupprecht A. Specific formation of electron gain and loss centres in X-irradiated oriented fibres of DNA at low temperature. Faradaydq Discuss. Chem. Soc. 1984; 78: 135
  • Cullis P. M., Symons M. C.R. Electron Spin Resonance studies of radiation damage to DNA. Mechanisms of DNA damage and repair, M. G. Simic, L. Grossman, A. C. Upton. Plenum Press, New York 1986
  • Gregoli S., Olast M., Bertinchamps A. Radiolytic pathways in γ-irradiated DNA: influence of chemical and conformational factors. Radiat. Res. 1982; 89: 238
  • Close D. M., Sagstuen E., Nelson W. H. ESR study of the guanine cation. J. Chim. Phys. 1986; 82: 4386
  • Close D. M., Nelson W. H., Sagstuen E. Radical formation in X-irradiated single crystals of guanine hydrochloride monoyhydrate. II. ESR and ENDOR in the range 10–77 K. Radiat. Res. 1987; 112: 283
  • Close D. M., Sagstuen E., Nelson W. H. Radical formation in X-irradiated single crystals of guanine hydrochloride monohydrate. III Secondary radicals and reaction mechanisms. Radiat. Res. 1988, in the press
  • Strand P., Sagstuen E., Lehner T., Hüttermann J. Free radical formation in crystals of guanine hydrochloride dihydrate; an ESR and ENDOR study. Int. J. Radiat. Biol. 1987; 51: 303
  • Nelson W. H., Hole E. O., Sagstuen E., Close D. M. ESR ENDOR study of guanine HC1–2H2O X-irradiated at 20 K. Int. J. Radiat. Biol. 1988, in the press
  • Rakvin B., Herak J. N. ESR Study of Stable Radicals in an Irradiated Single Crystal of Deo-xyguanosine 5′-Phosphate (Na Salt). Radiat. Res. 1981; 88: 240
  • Hole E. O., Sagstuen E. Free radical formation in crystals of 2′-deoxyguanosine 5-monopho-sphate irradiated at 15K. An ESR study. Radiat. Res. 1987; 109: 190
  • Hole E. O., Nelson W. H., Close D. M., Sagstuen E. ESR and ENDOR study of the guanine cation. Secondary product in 5′-dGMP. J. Chem. Phys. 1987; 86: 5218
  • Hüttermann J., Voit K. Free radicals from the direct action of ionizing radiation in DNA: Structural assignments from ESR spectroscopy. Electronic magnetic resonance of the solid state, J. Weil. The Canadian Society for Chemistry, Ottawa 1987; 237
  • Rakvin B., Herak J. N., Voit K., Hüttermann J. Free radicals from single crystals of Deo-xyguanosine 5′-Monophosphate (Na Salt) irradiated at low temperatures. Radiat. Environ. Biophys. 1987; 26: 1
  • Sagstuen E., Hole E. O., Nelson W. H., Close D. M. ESR/ENDOR study of guanosine 5′-mono-phosphate (free acid) single crystals X-irradiated at 10K. Radiat. Res. 1988, in the press
  • Hole E. O., Sagstuen E., Nelson W. H., Close D. M. Free radical formation in single crystals of guanosine hydrobromide monohydrate X-irradiated at 10 and 65 K. An ESR and ENDOR study, in preparation
  • Sagstuen E., Hole E. O., Close D. M., Nelson W. H. ESR/ENDOR study of the co-crystal guanosine:dimethyl-formamide X-irradiated at 10 K, in preparation

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