Radiation Sensitivity of Bacillus megaterium Spores in the Presence of Co(III) Complexes
Investigation of radiation sensitization by cobalt hexammine chloride of B. megaterium spores either in aqueous suspension or equilibrated at 22 torr water vapor pressure reveals a unique duplication of sensitizing action in both the presence and absence of oxygen. Ethanol reverses this cobalt-complex sensitizing in anoxic, but not oxic, spore suspensions, whereas t-butanol has no protective effect. A series of Co(III) complexes is tested for anoxic sensitization to compare with hexammine complex. The sensitizing ability of these compounds is much reduced or absent when bidentate or multidentate organic ligands replace the ammine coordinates to cobalt. (auth)
- Research Organization:
- Univ. of Texas, Austin
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-33-007446
- OSTI ID:
- 4157785
- Journal Information:
- Radiation Research, Journal Name: Radiation Research Journal Issue: 1 Vol. 63; ISSN 0033-7587
- Publisher:
- Radiation Research Society
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
*AMMINES-- RADIOSENSITIVITY EFFECTS
*BACILLUS MEGATHERIUM-- RADIOSENSITIVITY
*BUTANOLS-- RADIOSENSITIVITY EFFECTS
*COBALT COMPLEXES-- RADIOSENSITIVITY EFFECTS
*ETHANOL-- RADIOSENSITIVITY EFFECTS
*OXYGEN-- RADIOSENSITIVITY EFFECTS
560131* --Biomedical Sciences
Applied Studies--Radiation Effects--Radiation Effects on Microorganisms--Basic Studies
BIOLOGICAL RADIATION EFFECTS
N48310* --Life Sciences--Radiation Effects on Microorganisms- -Basic Studies
SPORES
X RADIATION
*BACILLUS MEGATHERIUM-- RADIOSENSITIVITY
*BUTANOLS-- RADIOSENSITIVITY EFFECTS
*COBALT COMPLEXES-- RADIOSENSITIVITY EFFECTS
*ETHANOL-- RADIOSENSITIVITY EFFECTS
*OXYGEN-- RADIOSENSITIVITY EFFECTS
560131* --Biomedical Sciences
Applied Studies--Radiation Effects--Radiation Effects on Microorganisms--Basic Studies
BIOLOGICAL RADIATION EFFECTS
N48310* --Life Sciences--Radiation Effects on Microorganisms- -Basic Studies
SPORES
X RADIATION