Propossal of a model for the calculation of doses and of the risk due to inhalation and ingestion of radionuclides from nuclear facilities
Description
An improvement of existing models for the various body components and simulates the human body metabolic behaviour as a whole, are presented. It takes into account the uptake of material, via nose or mouth, up to its excretion by urine or faeces. It has an aditional choice for calculation, which permits the evaluation of the quantity of material that has settled inside the organism, using the data obtained from the quantitative analysis of the excreta. The simulation of the metabolic process leads to the possibility of dose and detriment estimation as well as the corresponding mortality and genetic risks. Metabolic tests were made for physiological comparison and for the determination of the whole body dose equivalent. Tests were made, using different intake and excretion activities, to verify the validity of the proposed model. (E.G.)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Apresenta-se o aperfeicoamento de modelos para calculo de doses em seres humanos, para varias partes do corpo, unificando a simulacao do comportamento metabolico de corpo humano como um todo, desde a entrada do material, via oral ou nasal, ate sua excrecao pelas fezes ou urina. Possui um recurso adicional de um calculo retroativo, atraves da analise de excreta, para a determinacao da quantidade de material que efetivamente se instalou no organismo. Com a simulacao do processo metabolico pode-se estimar a dose e o detrimento devido a radiacao no interior do corpo humano, e o risco de mortalidade e de efeitos geneticos correspondentes. Testes metabolicos para fins de comparacao fisiologica e para a determinacao de equivalente de dose de corpo todo atraves de uma certa atividade de entrada ou de saida do corpo, foram feitos para verificacao da consistencia e validade do modelo proposto. (E.G.)Files
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Additional details
Additional titles
- Original title (Portuguese)
- Proposta de um modelo para calculo de dose e risco devido a inalacao e ingestao de radionuclideos provenientes de instalacoes nucleares
Publishing Information
- Imprint Pagination
- 296 p.
- Report number
- INIS-mf--6914
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 13658965
- Subject category
- S63: RADIATION, THERMAL, AND OTHER ENVIRONMENTAL POLLUTANT EFFECTS ON LIVING ORGANISMS AND BIOLOGICAL MATERIALS;
- Resource subtype / Literary indicator
- Thesis
- Descriptors DEI
- DOSE EQUIVALENTS; FUNCTIONAL MODELS; GENETIC RADIATION EFFECTS; INGESTION; INHALATION; MAN; METABOLISM; RADIATION DOSES; RADIONUCLIDE KINETICS; UPTAKE
- Descriptors DEC
- ANIMALS; BIOLOGICAL EFFECTS; BIOLOGICAL RADIATION EFFECTS; GENETIC EFFECTS; INTAKE; KINETICS; MAMMALS; PRIMATES; RADIATION EFFECTS; VERTEBRATES