Metal concentration in muscle of two species of flatfish from Santos Bay, Southeastern Brazilian coast

Autor:	M.L.F. Rocha, J.F. Dias, L.A. Boufleur, C.E.I. Santos
Rok vydání:	2014
Předmět:	Nuclear and High Energy Physics biology Achirus lineatus Mineralogy biology.organism_classification Metal Health surveillance Flatfish Trinectes paulistanus visual_art Environmental chemistry Sediment contamination visual_art.visual_art_medium Environmental science Instrumentation Bay
Zdroj:	Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 318:88-93
ISSN:	0168-583X
DOI:	10.1016/j.nimb.2013.05.107
Popis:	The aim of this study was to investigate metals in muscles of two species of flatfish, using Particle Induced X-ray Emission (PIXE). Specimens were caught monthly throughout the year 2005. Sampling was done at six points in the Santos Bay under different anthropogenic influences. Analysis of 56 samples of muscle showed detectable amounts of Al, As, Pb, Cu, Cr, Fe, Sr, Mn, Hg, Ni, Se and Zn. Except Cu, there were no correlations with the levels of sediment contamination by metals and those found in muscles. Moreover, there were significant differences between juveniles and adults concerning the concentration of Al, Mn and As. According to Brazilian Health Surveillance Agency, some elements detected in the samples of muscle were above of permitted by law for consumption: Hg and Pb (in samples from the internal area), As (from the west side) and Se and Cr (from east side of the bay).
Databáze:	OpenAIRE
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