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中国科学院上海原子核研究所
收稿日期:1988-11-30,
纸质出版日期:1990-05
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徐波, 孙祺薰, 张年宝, 等. 脂质体对抗癌药氨甲喋呤包裹的研究[J]. 核技术, 1990,13(5):317-320.
Bo Xu, Qixun Sun, Nianbao Zhang, et al. Encapsulation of antitumor drug methotrexate in liposome vesicles[J]. Nuclear techniques, 1990, 13(5): 317-320.
研制了包裹抗癌药氨甲喋呤(MTX)的脂质体。MTX用氚离子束标记法进行氚标记,经薄层层析制备得到纯的
3
H-MTX,比活性为1.19GBq/mmol,放化纯度
>
95%。以
3
H-MTX为示踪剂研究脂质体在各种制备条件下对MTX的包裹率,其值可达21—53%。
Liposome vesicles containing antitumor drug methotrexate (MTX) were prepared. MTX was labelled by the tritium ion beam method. After purification by TLC
the specific radioactivity of
3
H-MTX was 1.19GBq/mmol with radiochemical purity over 95%. Under various forming conditions of liposome vesicles
the efficiency of encapsulation was 21-53%.
V. J. Caride et al ., J. Nucl. Med. , 17 ( 1976 ), 1067 .
D. Papahadjopoulos et al ., U.S. patent, 4235871 , 25, Nov. 1980 .
D. Papahadjopoulos et al ., Proc. Nati., Acad. Sci., USA , 75 ( 1978 ), 9 : 4194 .
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