Effects of. gamma. irradiation on the hydration characteristics of DNA and polynucleotides. II. An NMR study of mixed H/sub 2/O/D/sub 2/O frozen solutions
Journal Article
·
· Radiat. Res.; (United States)
OSTI ID:5144179
The effects of ..gamma.. irradiation at different temperatures on the hydration water proton resonance spectra from frozen H/sub 2/O/D/sub 2/O solutions of DNA and polynucleotides were studied. Comparison of results obtained with pure H/sub 2/O solutions showed a striking difference in the temperature-dependent variations of ..delta../sub /sup 1///sub 2// values in nonirradiated and irradiated DNA solutions. There is evidence that base rehydration with hydration water molecules occurs after an initial damage to the macromolecular chains in DNA caused by the direct or indirect radiation effects.
- Research Organization:
- Univ. Libre de Bruxelles, Belgium
- OSTI ID:
- 5144179
- Journal Information:
- Radiat. Res.; (United States), Journal Name: Radiat. Res.; (United States) Vol. 72; ISSN RAREA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560111* -- Radiation Effects on Biochemicals-- In Vitro-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
DNA
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
HEAVY WATER
HYDRATION
HYDROGEN COMPOUNDS
IONIZING RADIATIONS
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEIC ACIDS
NUCLEOTIDES
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RADIATION EFFECTS
RADIATIONS
RESONANCE
SOLVATION
TEMPERATURE EFFECTS
WATER
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
DNA
ELECTROMAGNETIC RADIATION
GAMMA RADIATION
HEAVY WATER
HYDRATION
HYDROGEN COMPOUNDS
IONIZING RADIATIONS
MAGNETIC RESONANCE
NUCLEAR MAGNETIC RESONANCE
NUCLEIC ACIDS
NUCLEOTIDES
ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
RADIATION EFFECTS
RADIATIONS
RESONANCE
SOLVATION
TEMPERATURE EFFECTS
WATER