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- W2747933421 abstract "目的 利用CFN-MPS-200型自动合成模块制备3′-脱氧-3′-[氟-18]氟胸腺嘧啶(3′-deoxy-3′-18F-fluorothymidine, 18F-FLT),并对其进行质量分析,最后在Wistar大鼠体内对18F-FLT进行生物评价。 方法 以3-N-t-叔丁氧羰基-1-[5′-O-(4,4′-二甲氧基三苯甲基)-2′-脱氧-3′-O-(4-硝基苯磺酰基)-β-D-苏型-呋喃戊糖基]胸苷(3-N-Boc-5′-O-dimethoxytrityl-3′-O-nosyl-thymidine, Boc-FLT)为原料,用CFN-MPS-200型自动合成模块合成无溶剂残留的18F-FLT,通过radio-高效液相色谱(high performance liquid chromatography, HPLC)和radio-薄层色谱(thin layer chromatography, TLC)进行质量控制,在健康Wistar大鼠体内进行正电子发射断层显像(PET显像)。 结果 基于CFN-MPS-200多功能合成模块自动化合成18F-FLT的时间约为60 min,合成产率约为(24±5)%(衰减校正,n =20),放化纯大于99%,放射性浓度约为1.11×109 Bq/mL。产品为无色透明溶液,pH值在7.0~8.0之间,放化纯度大于99%。18F-FLT在正常Wistar大鼠体内主要浓聚在肾、膀胱、骨髓、肝,在其他部位分布较低。 结论 利用CFN-MPS-200多功能合成模块制备的18F-FLT方法稳定,产率高,安全无溶剂,产品质量控制指标合格。" @default.
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- W2747933421 date "2017-03-17" @default.
- W2747933421 modified "2023-09-24" @default.
- W2747933421 title "CFN-MPS-200模块自动化制备 18F-FLT及其质量控制与生物评价" @default.
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