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  • Ionizing radiation is able to knock out electrons from the atom shell and thus ionize the material. This process results in physical, chemical and biological effects, which take place at molecular, subcellular or cellular levels, where these processes can cause functional and morfological changes in the individual organs and tissues as well as in the whole living organism. The biological effects due to low exposure is quantified by a quantity the effective dose. This quantity relies on the average organ or tissue dose as well as on radiation and tissue weighting factors. While the radiation factor depends the type and energy of radiation, the tissue factor expresses relative radiosensitivity of respective organ or tissue. At low levels of radiation exposure the effects are generally called stochastic effects, in contrast to deterministic effects, which occur at radiation doses above the certain threshold level. Medical radiation exposure, as well as the exposure of medical personnel in nuclear medicine, are mainly characterized by such low effective doses, where we can only expect the stochastic effects. Available data from the years 2007-2010 show the increase of the total number of examinations and certain change in their structure. The analysis summarizes the distribution of the exposure of personnel at a typical nuclear medicine department. Under normal circumstances only stochastic effects can be considered, but in cases incidents or accidents the deterministic effects may occur
  • Ionizing radiation is able to knock out electrons from the atom shell and thus ionize the material. This process results in physical, chemical and biological effects, which take place at molecular, subcellular or cellular levels, where these processes can cause functional and morfological changes in the individual organs and tissues as well as in the whole living organism. The biological effects due to low exposure is quantified by a quantity the effective dose. This quantity relies on the average organ or tissue dose as well as on radiation and tissue weighting factors. While the radiation factor depends the type and energy of radiation, the tissue factor expresses relative radiosensitivity of respective organ or tissue. At low levels of radiation exposure the effects are generally called stochastic effects, in contrast to deterministic effects, which occur at radiation doses above the certain threshold level. Medical radiation exposure, as well as the exposure of medical personnel in nuclear medicine, are mainly characterized by such low effective doses, where we can only expect the stochastic effects. Available data from the years 2007-2010 show the increase of the total number of examinations and certain change in their structure. The analysis summarizes the distribution of the exposure of personnel at a typical nuclear medicine department. Under normal circumstances only stochastic effects can be considered, but in cases incidents or accidents the deterministic effects may occur (en)
Title
  • Exposure to ionizing radiation in nuclear medicine: Somatic and genetic effects
  • Exposure to ionizing radiation in nuclear medicine: Somatic and genetic effects (en)
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  • Exposure to ionizing radiation in nuclear medicine: Somatic and genetic effects
  • Exposure to ionizing radiation in nuclear medicine: Somatic and genetic effects (en)
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  • RIV/68407700:21460/12:00193848!RIV13-MSM-21460___
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  • 135859
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  • RIV/68407700:21460/12:00193848
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  • Nuclear medicine; Genetic effects; somatic effects; exposure of the personnel (en)
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  • [528F6B5996A4]
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  • Brno
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  • The Student Scientific Conference on Biotechnology & Biomedicine
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  • Hudzietzová, Jana
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  • Masarykova univerzita
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  • 978-80-210-5811-8
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  • 21460
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