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Accumulation and cellular distribution of 241 Am, 210Po, and 210Pb in two marine algae
Open accessAbstract
Accumulation and cellular distribution of ^'Am, 2'0Po, and "Opb were studied in the marine diatom Thalassiosira pseudonana and the marine green alga Dunaliella tertiolecta, Both species concentrated Am, Po, and Pb from artificially spiked cultures, resulting in wet weight concentration factors of approximately 1 to 4 X lo5 for ^'Am, 3 to 7 X lo4 for 210Po, and 5 to 17 X lo3 for "OPb.These concentration factors are comparable to those based on analyses of natural plankton assemblages.In contrast to 2'0Po, ^Am and "OPb appeared to associate almost exclusively with structural components (cell walls and plasmalemmae) and showed no evidence of protein association.The data, together with field evidence, suggest that ^'Am and "OPb are not bound to cell material easily assimilated by herbivorous zooplankton, while "' Po associates with cellular organic compounds and is assimilated in animals.This may lead to high "OPo turnover rates in surface waters.
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Cited by
Heavy metal accumulation by bacteria and other microorganisms
Gadd, G. M. (1990) · Experientia · doi:10.1007/bf01935534 · Cited by 503
Uptake of polonium and sulfur by bacteria
Cherrier, J., Burnett, W. C., & LaRock, P. A. (1995) · Geomicrobiology Journal · doi:10.1080/01490459509378009 · Cited by 85
Metadata
- Authors
- Fisher, N., Burns, K., Cherry, R., & Heyraud, M.
- Venue
- Marine Ecology Progress Series
- Publisher
- Inter-Research Science Center
- Published
- 1983
- Volume
- 11
- Pages
- 233-237
- ISSN
- 0171-8630 (ISSN-L)
- 1616-1599
- OpenAlex
- W1987060880
- Cited by
- 171
- References
- 0
- FWCI
- 1.40
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Fisher, N., Burns, K., Cherry, R., & Heyraud, M. (1983). Accumulation and cellular distribution of 241 Am, 210Po, and 210Pb in two marine algae. Marine Ecology Progress Series. https://doi.org/10.3354/meps011233
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