RBE and OER determinations for radium and Californium-252
Journal Article
·
· Radiology, v. 110, no. 3, pp. 699-704
Chinese hamster cells cultured in vitro were used to compare /sup 226/Ra gamma rays (dose rate, 50 rads/hour) with the mixed fust neutron/ gamma -ray emission from /sup 252/Cf (dose rate, 18 rads/hour). The relative biological effectiveness (RBE) of /sup 252/Cf neutrons compared with radium gamma rays was 5.9. The oxygen enhancement ratios (OER) for /sup 226/Ra and /sup 252/Ca were found to be 2.0 and 1.42, respectively. The implications for radiotherapy are discussed. (auth)
- Research Organization:
- Columbia Univ., New York
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-024424
- OSTI ID:
- 4336426
- Journal Information:
- Radiology, v. 110, no. 3, pp. 699-704, Journal Name: Radiology, v. 110, no. 3, pp. 699-704; ISSN RADLA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
*BIOLOGICAL RADIATION EFFECTS-- OXYGEN ENHANCEMENT RATIO
*CALIFORNIUM 252-- BIOLOGICAL RADIATION EFFECTS
*FAST NEUTRONS-- RBE
*GAMMA RADIATION-- RBE
*RADIUM 226-- BIOLOGICAL RADIATION EFFECTS
ANIMAL CELLS
CELL CULTURES
COMPARATIVE EVALUATIONS
N48210* --Life Sciences--Radiation Effects on Cells-- External Source
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOTHERAPY
RESPONSE MODIFYING FACTORS
*CALIFORNIUM 252-- BIOLOGICAL RADIATION EFFECTS
*FAST NEUTRONS-- RBE
*GAMMA RADIATION-- RBE
*RADIUM 226-- BIOLOGICAL RADIATION EFFECTS
ANIMAL CELLS
CELL CULTURES
COMPARATIVE EVALUATIONS
N48210* --Life Sciences--Radiation Effects on Cells-- External Source
RADIATION SOURCE IMPLANTS
RADIATION SOURCES
RADIOTHERAPY
RESPONSE MODIFYING FACTORS