Abstract
The 82Sr/82Rb generator is used to produce a radiopharmaceutical rubidium-82 chloride in saline solution for PET imaging. In this work, we studied the effect of the amount of stable strontium and calcium delivered to the sorbent (on the basis of hydrated tin dioxide) on the maximum volume of radiopharmaceutical solution that can be obtained from the generator. Sr and Ca may be delivered to the sorbent from the initial solution of strontium-82 chloride or from the eluent (0.9% NaCl) during medical application of the generator. It is shown that this volume depends on the value CSr + 0.11CCa, where CSr and CCa are molar concentrations of the elements in 1 g of the sorbent. The obtained results make it possible to increase significantly the productivity and reliability of the used generators.
Change history
19 February 2024
An Erratum to this paper has been published: https://doi.org/10.1134/S1066362222060139
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ACKNOWLEDGMENTS
The authors express their gratitude to S.V. Ermolaev and other employees of the Laboratory of Radioisotope Complex INR RAS for valuable comments and assistance in conducting experiments, V.K. Karandashev (ASIC IPTM RAS) for performing the analysis of the initial solutions.
The study was carried out using the equipment of the Center for Collective Use of the Institute for Nuclear Research of the Russian Academy of Sciences (agreement with the Ministry of Education and Science No. 14.621.21.0014, unique work identifier RFMEF162117X0014).
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This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.
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Translated from Radiokhimiya, No. 5, pp. 447–457, October, 2023 https://doi.org/10.31857/S0033831123050075
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Chudakov, V.M., Shatik, S.V. & Zhuikov, B.L. Effect of Strontium and Calcium Impurities on Productivity of 82Sr/82Rb Medical Generator. Radiochemistry 65, 567–577 (2023). https://doi.org/10.1134/S1066362223050077
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DOI: https://doi.org/10.1134/S1066362223050077