Accumulation of vanadium, manganese, and nickel in Antarctic tunicates |
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| Authors: | Matthew D Lebar Lisha Luttenton James B McClintock Charles D Amsler Bill J Baker |
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| Institution: | (1) Department of Chemistry and Center for Molecular Diversity in Drug Design, Discovery and Delivery, University of South Florida, Tampa, FL 33620, USA;(2) Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294, USA; |
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| Abstract: | The vanadium, manganese, and nickel contents of nine species of Antarctic tunicates were determined by atomic absorption spectroscopy.
The Antarctic species Distaplia cylindrica contained significantly more vanadium (1,445 ppm dry weight) than the other Antarctic tunicates investigated. Antarctic Ascidia sp. was also shown to accumulate considerable amounts of vanadium (567 ppm). Low levels of bioaccumulated manganese (<50 ppm)
and nickel (<15 ppm) were observed in all tunicates examined. |
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