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应用甲醇-水为流动相,非那西汀为内标,以丙酮为沉淀剂,在YWG-C_(18)反相柱上分离,建立了测定血浆中酰胺咪嗪(简称CBZ)的高效液相色谱(HPLC)法。测定结果的变异系数,日内小于4.9%,日间为8.7%。最低检测浓度为0.1μg/ml,平均回收率为98.2±7.1%。 相似文献
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氟脲嘧啶微囊对兔耳中央动脉的栓塞和毒性作用 总被引:4,自引:0,他引:4
将氟脲嘧啶(5-FU)微囊注入家兔耳中央动脉行栓塞术,通过小鼠实验观察该微囊在动物体内的行为以及对腹腔内脏器的作用。结果表明,5-FU微囊能长时间地栓塞动脉血管,致栓塞组织坏死脱落;在小鼠腹腔内,该微囊可滞留2个月以上,对腹腔内脏器有一定的损害作用,其毒性出现缓慢。 相似文献
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硝苯啶的光解分析法及其在透皮吸收研究中的应用 总被引:1,自引:0,他引:1
A new method of analysis for low concentrations nifedipine was developed according to the principle of a photodegradation analytical method that has been reported by the authors previously, and was used to study percutaneous absorption. The absorbance of sample solution was measured before and after light irradiation at 237 nm for 2 h. In this method, calibration graph was linear in the range of 1~20μg/ml for △A237. The average recovery for nifedipine was 98.80%. No interference from propylene glycol, azone, m-nifedipine, nitrendipine, verapamil and propranolol was observed. It is shown that azone can promote markedly percutaneous absorption of nifedipine. 相似文献
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