Evaluating the copper water Uruguay river mutagenic potential

Evaluating the copper water Uruguay river mutagenic potential

Analysis of Uruguay river water noted the presence of compounds at concentrations above the limits recommended by the brazilian legislation, such as the copper. Therefore, this study aimed to evaluate the mutagenic potential of copper conducting exposure of bioindicator species Danio rerio to the me...

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Veröffentlicht in:Ciência e natura 2014-05, Vol.36 (2), p.17
Hauptverfasser: Leonardo Munhoz Benites, Kennia Brum Doncato, Thais dos Santos Minho, Perazzo, Giselle Xavier
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creator Leonardo Munhoz Benites
Kennia Brum Doncato
Thais dos Santos Minho
Perazzo, Giselle Xavier
description Analysis of Uruguay river water noted the presence of compounds at concentrations above the limits recommended by the brazilian legislation, such as the copper. Therefore, this study aimed to evaluate the mutagenic potential of copper conducting exposure of bioindicator species Danio rerio to the metal in bioassay systems. After acclimation period, thirty-six animals were divided into three groups, with rejoinders: (a) Control (without copper), (b) T1 (with 0.08 mg/L - concentration observed in the river) and (c) T2 (with 0.009 mg/L - concentration recommended by CONAMA). After 120 hours of exposure, we proceeded to collect blood for the piscine micronucleus test, where 2000 cells were analyzed per individual, the result being statistically analyzed using the Kruskal-Wallis test. Were observed highly significant differences (p
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