The use of Eisenia fetida as bioindicator of nuclear activities
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2017
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60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORS
Resumo
Environmental sampling is one of the most important measures to strengthen the
nuclear safeguard system. The collection of environmental samples, in context of
the safeguard, aims to reveal information on treated materials and declared or even
undeclared activities, as well. Usually two steps are involved, the first to establish
the environmental fingerprint of the installation under observation, the second is
to obtain compared these values with the environmental signatures. This strategy
can also be used in nuclear forensic investigations. Samplings can be performed
inside, outside or even near the facility under investigation, on surfaces, air, water,
sediments, vegetation, soil and the local biota. In soil the earthworm is part of the
biota, assimilating the metallic components during feeding or by skin absorption.
The Eisenia fetida earthworm belongs to the Annelida Phylum, Oligochaete Class,
the species known as California redworm, in Brazil, is widely used for the production
of humus, since it has great ability to convert little decomposed organic residues
into stabilized material. In the literature it has been already reported the ability of
E. fetida to bioacumulate several metals including uranium and other radionuclides.
In this project we are studying the ability of E. fetida to identify nuclear signatures
and its ability to be used as biomonitor in nuclear safeguards and nuclear forensic
investigations.
Como referenciar
ZAMPIERI, M.C.T.; SARKIS, J.E.S. The use of Eisenia fetida as bioindicator of nuclear activities. In: 60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORS, November 28 - December 01, 2017, São Paulo, SP. Abstract... São Paulo, SP: Instituto de Pesquisas Energéticas e Nucleares, 2017. p. 60-60. Disponível em: http://repositorio.ipen.br/handle/123456789/28758. Acesso em: 29 Mar 2024.
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.