Zur biologischen Wirksamkeit elastischer Kernstöße

Horst Jung, Klaus Kürzinger
1969 Zeitschrift für Naturforschung. B, A journal of chemical sciences  
Dry infectious DNA of bacteriophage ΦΧ174 was irradiated in extremely thin layers with slow protons and the differential inactivation cross section determined for various proton energies in the range from 0.8 to 50 keV. Above 5 keV the inactivation cross section is independent of proton energy, it reaches a shallow minimum between 1 and 1.5 keV, and increases slightly at still smaller energies. By comparing the experimentally determined inactivation cross sections with the cross sections for
more » ... oss sections for energy loss in elastic nuclear collisions and in ionizations, respectively, elastic collisions were demonstrated to destroy the ability of ΦΧ-DNA to give rise to intact bacteriophage in spheroplasts of E. coli K12.
doi:10.1515/znb-1969-0313 fatcat:bq2vl27fobgvhn7t4bgatvr7gm