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兰州小皮

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[求助] PLGA凝胶中药物含量的测定?

已经制备好的凝胶,想测试药物含量,据文献说可以通过破坏凝胶使得药物都释放出来。现有两种方法:
1、通过乙腈溶解凝胶,超声、过滤,然后注射到HPLC中测试。
2、单单使用甲醇在超声下提取药物,然后过滤,定容注射到HPLC中测试。

PS:药物溶解于甲醇当中,材料不溶解在甲醇当中。第二种方法可行不(材料中不溶解的情况下,只靠超声作用用甲醇提取药物)?
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karl2100: 金币+1, 3Q 2013-03-10 00:49:54
这两种方法你都试一下吧,比较一下你就知道好不好了,不过是溶剂溶解还是超声都是为了破坏基质,使药物释放出来
2楼2013-03-09 12:56:00
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