Radiation physics, biophysics, and radiation biology. Progress report, December 1, 1991--November 30, 1992

Technical Report · Fri May 01 00:00:00 EDT 1992

DOI:https://doi.org/10.2172/10139461· OSTI ID:10139461

Hall, E J

The following research programs from the Center for Radiological Research of Columbia University are described: Design and development of a new wall-less ultra miniature proportional counter for nanodosimetry; some recent measurements of ionization distributions for heavy ions at nanometer site sizes with a wall-less proportional counter; a calculation of exciton energies in periodic systems with helical symmetry: application to a hydrogen fluoride chain; electron energy-loss function in polynucleotide and the question of plasmon excitation; a non-parametric, microdosimetric-based approach to the evaluation of the biological effects of low doses of ionizing radiation; high-LET radiation risk assessment at medium doses; high-LET radiobiological effects: increased lesion severity or increased lesion proximity; photoneutrons generated by high energy medical linacs; the biological effectiveness of neutrons; implications for radiation protection; molecular characterization of oncogenes induced by neutrons; and the inverse dose-rate effect for oncogenic transformation by charged particles is LET dependent.

• Research Organization: Columbia Univ., New York, NY (United States). Center for Radiological Research
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: FG02-88ER60631
• OSTI ID: 10139461
• Report Number(s): DOE/ER/60631-10; ON: DE92013673
• Resource Relation: Other Information: PBD: May 1992
• Country of Publication: United States
• Language: English

Related Subjects

63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
61 RADIATION PROTECTION AND DOSIMETRY
BIOPHYSICS
RESEARCH PROGRAMS
DOSIMETRY
MOLECULAR BIOLOGY
BIOLOGICAL RADIATION EFFECTS
PROGRESS REPORT
EDUCATIONAL FACILITIES
ACCELERATOR FACILITIES
VAN DE GRAAFF ACCELERATORS
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MAN
ANIMALS
RADIATION EFFECTS ON BIOCHEMICALS, CELLS, AND TISSUE CULTURE
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