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Contribution to the Evaluation of the Biological Cleaning Products of Thessaloniki using Pollution Biomarkers in Mytilus galloprovincialis

Abstract

Itziou A and Dimitriadis VK

The purpose of the study was to investigate the effects of the secondary biological purification products on the cellular and genotoxic level in the digestive gland and the haemolumph of mussels Mytillus galloprovincialis. The mussels were divided into 3 groups, where the effect of 0.02, 0.2 and 0.5% (v/v) of the biological purification sample was performed respectively after chlorination for 10 and 20 days, while the 4th group was the control animals. The results of the study showed statistically significantly lower NRR times and remarkable sensitivity of the haemocytes to the formation of single-stranded DNA fragments in the mussels exposed at both biological sample purification samples compared to the control ones. Finally, the results of the biomarker "stress assessment" showed statistically significantly less survival time in the exposed mussels compared to controls. Notable is the presence of significant correlations between the values of the biomarkers applied.

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