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Fast Preparation of L-[S-methyl-11C]Methionine and Quality Control

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Author:
No author available
Journal Title:
JOURNAL OF MODERN CLINICAL MEDICAL BIOENGINEERING
Issue:
1
DOI:
10.3760/cma.j.issn.1008-634X.2005.01.004
Key Word:
11C-蛋氨酸;脑肿瘤;PET显像;快速制备;质量控制

Abstract: 利用回旋加速器轰击产生的11C-CO2为合成原料,甲醇化后获得反应活性很强的甲基化前体11C-CH3I,该前体再与L-高胱氨酸硫内酯在常温下反应,快速制备后获得11C标记的蛋氨酸(11C-MET).实验同时对30批次产品进行质量控制指标检测.结果表明从11C-CH3I到11C-MET合成时间为2min,合成效率为85%,产品放射化学纯度大于99%;质量控制指标合格.

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