Preliminary dosimetric characterisation of thermoluminescent materials for beta radiation monitoring at nuclear medicine services
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Radiation Protection Dosimetry
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Beta emitters are widely used in nuclear medicine for diagnostic and therapeutic purposes. The critical groups exposed to a
radioactive patient include the staff, other patients and members of the public accompanying the patient. The aim of this work
is to characterise thermoluminescent (TL) materials for the staff monitoring of nuclear medicine services that manipulate
beta radiation solutions of 153Sm. This study was performed using CaSO4:Dy + Teflon pellets, produced at IPEN, with
different dimensions. For the dosimetric characterisation, these TL dosemeters were exposed to gamma source (60Co) and to
beta sealed sources (90Sr + 90Y, 204Tl and 147Pm) and to a non-sealed source (153Sm). Results were obtained related to
reproducibility, lower detection limits, calibration curves, angle and energy dependence of response. All tested materials
show usefulness for monitoring of workers exposed to beta radiation.
Como referenciar
CECATTI, SONIA G.P.; CALDAS, LINDA V.E. Preliminary dosimetric characterisation of thermoluminescent materials for beta radiation monitoring at nuclear medicine services. Radiation Protection Dosimetry, v. 120, n. 1-4, p. 307-311, 2006. DOI: 10.1093/rpd/ncj013. Disponível em: http://repositorio.ipen.br/handle/123456789/5436. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.