Enhancement by fractionation of biological peak-to-plateau relative biological effectiveness ratios for heavy ions. [Recovery of rat jejunal crypt cells after partial- or whole-body irradiation]
Journal Article
·
· Int. J. Radiat. Oncol., Biol. Phys.; (United States)
Recovery from sublethal damage of jejunal crypt cells was measured after fractionated irradiation with /sup 137/Cs, or accelerated helium ions, carbon ions, and neon ions. Cells irradiated with the accelerated particles showed less recovery than cells irradiated with /sup 137/Cs. For each accelerated heavy ion, cells irradiated in the peak region of the beam showed less recovery than cells irradiated in the plateau region. This resulted in an enhanced peak-to-plateau relative biological effectiveness (RBE) ratio which augments the already favorable physical depth-dose distribution for these beams.
- Research Organization:
- Univ. of California, San Francisco
- OSTI ID:
- 6469381
- Journal Information:
- Int. J. Radiat. Oncol., Biol. Phys.; (United States), Journal Name: Int. J. Radiat. Oncol., Biol. Phys.; (United States) Vol. 4:11/12; ISSN IOBPD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560152* -- Radiation Effects on Animals-- Animals
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABDOMEN
ALKALI METAL ISOTOPES
ANIMAL CELLS
ANIMALS
ATOMIC IONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BODY
BODY AREAS
BRAGG CURVE
CARBON IONS
CESIUM 137
CESIUM ISOTOPES
CHARGED PARTICLES
CRYPT CELLS
DEPTH DOSE DISTRIBUTIONS
DIAGRAMS
DIGESTIVE SYSTEM
DOSE-RESPONSE RELATIONSHIPS
ELECTROMAGNETIC RADIATION
ENERGY TRANSFER
EXTERNAL IRRADIATION
FRACTIONATED IRRADIATION
GAMMA RADIATION
GASTROINTESTINAL TRACT
HELIUM IONS
INTESTINES
IONIZING RADIATIONS
IONS
IRRADIATION
ISOTOPES
LET
MAMMALS
NEON IONS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PARTIAL BODY IRRADIATION
RADIATION DOSE DISTRIBUTIONS
RADIATION EFFECTS
RADIATIONS
RADIOISOTOPES
RATS
RBE
RECOVERY
RODENTS
SMALL INTESTINE
SOMATIC CELLS
SPATIAL DOSE DISTRIBUTIONS
SUBLETHAL IRRADIATION
VERTEBRATES
WHOLE-BODY IRRADIATION
YEARS LIVING RADIOISOTOPES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABDOMEN
ALKALI METAL ISOTOPES
ANIMAL CELLS
ANIMALS
ATOMIC IONS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BIOLOGICAL EFFECTS
BIOLOGICAL RADIATION EFFECTS
BIOLOGICAL RECOVERY
BODY
BODY AREAS
BRAGG CURVE
CARBON IONS
CESIUM 137
CESIUM ISOTOPES
CHARGED PARTICLES
CRYPT CELLS
DEPTH DOSE DISTRIBUTIONS
DIAGRAMS
DIGESTIVE SYSTEM
DOSE-RESPONSE RELATIONSHIPS
ELECTROMAGNETIC RADIATION
ENERGY TRANSFER
EXTERNAL IRRADIATION
FRACTIONATED IRRADIATION
GAMMA RADIATION
GASTROINTESTINAL TRACT
HELIUM IONS
INTESTINES
IONIZING RADIATIONS
IONS
IRRADIATION
ISOTOPES
LET
MAMMALS
NEON IONS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PARTIAL BODY IRRADIATION
RADIATION DOSE DISTRIBUTIONS
RADIATION EFFECTS
RADIATIONS
RADIOISOTOPES
RATS
RBE
RECOVERY
RODENTS
SMALL INTESTINE
SOMATIC CELLS
SPATIAL DOSE DISTRIBUTIONS
SUBLETHAL IRRADIATION
VERTEBRATES
WHOLE-BODY IRRADIATION
YEARS LIVING RADIOISOTOPES