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Preferential mycobacterial adsorption of radionuclides in filiation

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Abstract

Measurements of Group IIA/IIIB cation adsorption by non-proliferative suspensions of Mycobacterium smegmatis in acidic medium show regular trends in percent adsorption and specific uptake of both ion types in the90Sr/90Y filiation for carrier concentrations in the range 50–2000 μM. In comparative measurements with the47Ca/47Sc filiation, the corresponding adsorption of Sc3+ is consistently higher than that of Y3+, and both ions are preferentially adsorbed with respect to the divalent species Sr2+ and Ca2+. Ion separation efficiency in the calcium/scandium pair is more pronounced at lower concentrations and appears highest in the 100 μM carrier region.

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References and notes

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Authors and Affiliations

  1. Laboratoire de Chimie Nucléaire, Centre de Recherches Nucléaires et Université Louis Pasteur, B.P. 20, F-67037, Strasbourg, France

    H. J. MacCordick, J. M. Paulus & M. G. Bontems

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  1. H. J. MacCordick
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  2. J. M. Paulus
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  3. M. G. Bontems
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MacCordick, H.J., Paulus, J.M. & Bontems, M.G. Preferential mycobacterial adsorption of radionuclides in filiation. Journal of Radioanalytical and Nuclear Chemistry Letters 145, 231–238 (1990). https://doi.org/10.1007/BF02202029

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  • DOI: https://doi.org/10.1007/BF02202029

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