Analysis of some factors that may modify the bioavailability of cadmium and lead by Biomphalaria glabrata
作者： Noemí R. Verrengia Guerrero , Daniel E. Nahabedian , Eva A. Wider
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摘要: Laboratory acute bioassays (t = 96 h) were used to determine the uptake, distribution, and elimination of cadmium lead by freshwater gastropod Biomphalaria glabrata. Experiments conducted on nonpigmented pigmented organisms separately. The influence food different concentrations humic acids also investigated. results showed that, after treatments, digestive gland presented highest level metal uptake for both elements. Food did not prove induce significant changes in pattern accumulation distribution within tissues. Instead, materials modified but a way according metal. Elimination from soft tissues was considerably slow, presenting redistribution over time depuration. faster gonads. After all no differences observed between snails.
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