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- W2296002695 abstract "Development of 117Sn(superscript m) radiopharmaceuticals with radiosensitization ability to the treatment of tumors is valuable since such agents may increase therapeutic effects. In this paper, 117Sn(superscript m)(113Sn) was prepared by irradiation of spectrally pure natural metallic tin grain with reactor thermal neutrons (neutron fluence rate 4×10^13 cm^(-2)•s^(-1)) for a period up to 90 h, yielding 117Sn(superscript m) 113Sn with specific activity of 0.13 GBq/g and 6.16 MBq/g respectively, and meso-tetrakis (4-sulfonatophenyl) porphyrin (TPPS4) was labeled with 117Sn(superscript m) (113Sn) in aqueous solution. The optimized preparation conditions are as fo11ows: pH=2-4, reaction temperature about 100℃, reaction time 30min. Under the recommended experimental conditions, the yield of 117Sn(superscript m)-TPPS4 is higher than 95%. No significant decomposition of the 117Sn(superscript m)-TPPS4 complex solution is observed either during the standing period of 48 h after its preparation, or after the dilution of it with physiological saline to 5-15 times at room temperature. A 1:1 stoichiometry of the 117Sn(superscript m)-TPPS4 complex is obtained by the job's method." @default.
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- W2296002695 date "2006-05-20" @default.
- W2296002695 modified "2023-09-27" @default.
- W2296002695 title "117Sn(上标 m)(113Sn) (IV)-四（4－磺酸苯基）卟啉的制备" @default.
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