High rhenium enrichment in brown algae: a biological sink of rhenium in the sea? |
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Authors: | Jae Sam Yang |
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Institution: | (1) Korea Ocean Research and Development Institute Ansan, P.O. Box 29, 425-600 Seoul, Korea |
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Abstract: | Twenty-one species of seaweed from the California coast were analyzed for rhenium. For the first time, high enrichment (thousandfolds) of rhenium relative to seawater was found in brown algae, but not in green or red algae. Brown algae was suggested as a biological sink of rhenium in the sea and the analogous behavior of technetium to rhenium was found in marine algae. Preliminary incubation experiments with a common brown alga (Pelvetia fastigiata) showed that algal surface is not a major accumulating locus of rhenium. |
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Keywords: | brown algae rhenium enrichment |
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