2005
DOI: 10.1016/j.scitotenv.2005.06.026
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Mercury and selenium concentrations in hair samples of women in fertile age from Amazon riverside communities

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Cited by 60 publications
(32 citation statements)
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“…38,39 This finding is in agreement with another Brazilian study by Pinheiro et al, who found lower Se levels in pregnant women, when compared to non-pregnant women in the Amazonian population. 18 This outcome may indicate a low dietary intake of Se in the study group, as well as high Se consumption by the foetus during pregnancy. This absorption of Se is thought to be one of the protective mechanisms against the cytotoxic effects of Hg.…”
Section: Discussionmentioning
confidence: 90%
“…38,39 This finding is in agreement with another Brazilian study by Pinheiro et al, who found lower Se levels in pregnant women, when compared to non-pregnant women in the Amazonian population. 18 This outcome may indicate a low dietary intake of Se in the study group, as well as high Se consumption by the foetus during pregnancy. This absorption of Se is thought to be one of the protective mechanisms against the cytotoxic effects of Hg.…”
Section: Discussionmentioning
confidence: 90%
“…Biomarkers of Se vary from normal to very high in this Amazonian region (18)(19)(20) ; local foods, such as Brazil nuts, are naturally rich in Se (21) . Se may play a protective role in age-related eye diseases such as cataracts and maculopathies (22)(23)(24) .…”
mentioning
confidence: 99%
“…Vapor frio (CV-AAS) para análise de mercúrio (Dorea et al, 1998;Rahman et al, 2000;Seppänen et al, 2000;Soares De Campos et al, 2002;Pinheiro et al, 2005). Essas metodologias são técnicas relativamente baratas e monoelementares, que oferecem baixos limites de detecção.…”
Section: Geração De Hidreto E Espectrometria De Fluorescência Atômicaunclassified
“…O caráter monoelementar dessas técnicas, no entanto, é uma desvantagem. Schummer 1978 propôs uma metodologia na qual é usada a mesma solução da amostra para a determinação de Se e Hg através das técnicas de AFS e CV-AAS, respectivamente, mas o tratamento da solução de amostra para a determinação em Fluorescência Atômica é demorado, trabalhoso e requer o uso adicional de HCl para a redução de Selênio, necessária para a formação de hidreto, dificuldade que é reportada também por outros autores em trabalhos onde a determinação de Se e Hg é necessária na mesma amostra biológica (Dorea et al, 1998;Rahman et al, 2000;Seppänen et al, 2000;Soares De Campos et al, 2002;Pinheiro et al, 2005). (Malm et al, 1990;Bastos et al, 2006 (Malm et al, 1990;Boischio e Barbosa, 1993;Boischio e Cernichiari, 1998;Boischio e Henshel, 2000;Bastos et al, 2006).…”
Section: Geração De Hidreto E Espectrometria De Fluorescência Atômicaunclassified