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M. Paterson-Beedle, B.C. Jeong, C.H. Lee, K.Y. Jee, W.H. Kim, J.C. Renshaw and L.E. Macaskie Radiotolerance of phosphatases of a Serratia sp.: Potential for the use of this organism in the biomineralization of wastes containing radionuclides Biotechnology and Bioengineering 109

Version of Record online: 15 MAR 2012 | DOI: 10.1002/bit.24467

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Metal phosphate deposition by Serratia sp. shows promise as a mechanism for removing radionuclides from contaminated waste waters. Howevers the efficacy of this technique depends on the stability of the organism and the phosphatase enzymes towards high doses of ionizing radiation under various chemical conditions. Radiostability tests showed that whole-cell phosphatase retained 80% of the initial activity, even after loss of cell culturability, suggesting it is feasible to use whole cells of Serratia for radionuclide removal via phosphate precipitation.

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