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Recent radiobiological findings from spaceflight and ground-based studies--an overview.

Authors
Type
Published Article
Journal
Life sciences and space research
Publication Date
Volume
18
Pages
125–130
Identifiers
PMID: 12197529
Source
Medline
License
Unknown

Abstract

With respect to radiation standards for manned space flight, we wish to address ourselves to the following topics that we consider pertinent for a realistic assessment of the risk to man when exposed to ionizing radiation under space flight conditions: 1) prediction and measurement of the spectra of the physical traits of cosmic radiation as a function of orbital parameters and the mass shielding of the spacecraft; 2) synergistic or antagonistic modification of radiation effects by dynamic flight conditions and by the space environment; 3) production of biological damage becoming manifest only long after exposure, especially to the heavy ions; and 4) demonstration of possibly specific radiobiological mechanisms for the densely ionizing heavy-ion component of the cosmic radiation. Some recent work referring to these topics will be presented and discussed with emphasis on the high LET component of the cosmic radiation.

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