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sunshuai0219

新虫 (初入文坛)

[求助] 求助乙基纤维素微囊的体外释放实验的相关问题

乙基纤维素微囊的体外释放实验。
1.我们现在选的介质是1%SDS的PBS(7.2)。12小时释放最大达到18%左右.改用加致孔剂做出的样品,释放量只升高不到两倍。
2.微囊加入透析袋中的释放量特别少,所以我们直接加在锥形瓶中用恒温水浴振荡做,但面临的问题是,微囊量很少,粒径小,在介质中不完全沉底,所以每次取样很容易取出一部分样品,使得测得的释放量不增反降。
怎么解决这两个问题。
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河水流云

木虫 (正式写手)

帮顶,顺便问一声如何做到纤维素膜包裹完全不释放?
2楼2014-04-30 15:13:41
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