EFFICIENCY OF INACTIVATION OF DRY T-1 BACTERIOPHAGE BY PROTONS, DEUTERONS, AND HELIUM IONS FROM A 60-INCH CYCLOTRON
Dry preparations of T-1 bacteriophage were irradiated with protons, deuterons, and helium ions from a 60-inch cyclotron. Phage assay techniques were adapted for high accuracy in determination of survival ratios and for physical characterization of the ion beams employed. lons yielding LET values differing by factors of up to 15 have all shown about the same effect per uait dose for phsge plaque survival. A comparison of 40-Mev helinm ions and 1.8-Mev protens at the same LET has shown no signficant difference in effect on the phrge. Dry T-1 bacteriophage irradiated in a vacuum requires much higher doses for inactivation than does the phage in protected suspension. Auxiliminary work with gamma rays indicates thst the degree of dryness of the phage may be involved in the difference in sensitivity, (auth)
- Research Organization:
- Brookhaven National Lab., Upton, N.Y.
- NSA Number:
- NSA-14-021338
- OSTI ID:
- 4166878
- Journal Information:
- Radiation Research, Journal Name: Radiation Research Journal Issue: 2 Vol. Vol: 13; ISSN 0033-7587
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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