Abstract
Vanadium in marine organisms from Onagawa Bay in Miyagi, Japan, was determined by an instrumental neutron activation analysis (INAA) method using anti-coincidence gamma-ray spectrometry at the Dalhousie University SLOWPOKE-2 Reactor (DUSR) facility in Canada. Seaweeds, cultivated oysters, plankton, and four different species of sea squirt were collected from Onagawa Bay during 2005–2008. Vanadium levels around 20 μg g−1 (dry weight) were found in Japanese tangle and hijiki seaweeds. One species of sea squirt (Ciona savignyi) contained 160–500 ppm of V and it was highest among the four species of sea squirts studied. Protein-bound V species were separated by gel permeation chromatography (GPC) and the element determined by inductively coupled plasma atomic emission spectrometry (ICP-AES).
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Acknowledgement
We would like to thank Dr. Matsutani and Dr. Hiroshi Sasaki of Ishinomaki Senhsu University for collecting marine samples. We also thank Tohoku University Field Science Center, Onagawa, for their help in collecting samples in Onagawa Bay and giving us information on marine samples. We are grateful to Dalhousie University SLOWPOKE-2 reactor facility and Kyoto University Reactor for sample irradiations. This work was financially supported in part by Nissui Fund 2008 and by the Natural Sciences and Engineering Research Council of Canada.
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Fukushima, M., Suzuki, H., Saito, K. et al. Vanadium levels in marine organisms of Onagawa Bay in Japan. J Radioanal Nucl Chem 282, 85–89 (2009). https://doi.org/10.1007/s10967-009-0240-2
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DOI: https://doi.org/10.1007/s10967-009-0240-2