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Biophysical analysis of radiation induced initial DNA fragmentation

I K Khvostunov1, S G Andreev, YuA Eidelman

  • 1Medical Radiological Research Centre, Koroleva str. 4, 240020 Obninsk, Kaluga Region, Russia.

Radiation Protection Dosimetry
|August 27, 2002
PubMed

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All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they produce ions...