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- W1969179991 abstract "90Y of high specific activity and very high radionuclidic purity (>99.998%) is essential for targeted therapy. Since the current methods used for the preparation of 90Y from 90Sr are not adaptable for use in a central/hospital radiopharmacy, a simple 90Sr–90Y generator system based on electrochemical separation technique was developed. Two-cycle electrolysis procedure was developed for separation of 90Y from 90Sr in nitrate solution. The first electrolysis was performed for 90 min in 90Sr(NO3)2 feed solution at pH 2–3 at a potential of −2.5V with 100–200 mA current using platinum electrodes. The second electrolysis was performed for 45 min in 3 mM HNO3 at a potential of −2.5V with 100 mA current. In this step, the cathode from the first electrolysis containing 90Y was used as anode along with a fresh circular platinum electrode as cathode. The 90Y deposited on the circular cathode after the second electrolysis was dissolved in acetate buffer to obtain 90Y acetate, suitable for radiolabeling. >96% recovery of 90Y could be achieved in each cycle, with an overall decay corrected yield of >90%. The recovered 90Y had high radionuclidic purity with barely 30.2±15.2 kBq (817±411 nCi) of 90Sr per 37 GBq (1 Ci) of 90Y (0.817±0.411 ppm). Consistent and repeated separation could be demonstrated using up to 1.85 GBq (50 mCi) of 90Sr. The generator was named “Kamadhenu,” the eternally milk-yielding Indian mythological cow. A technique suitable for adaptation at central radiopharmacies for obtaining therapeutic quantities of pure 90Y has been developed." @default.
- W1969179991 created "2016-06-24" @default.
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- W1969179991 date "2008-02-01" @default.
- W1969179991 modified "2023-09-28" @default.
- W1969179991 title "Development of an electrochemical 90Sr–90Y generator for separation of 90Y suitable for targeted therapy" @default.
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- W1969179991 doi "https://doi.org/10.1016/j.nucmedbio.2007.10.009" @default.
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