试题与答案

脂质体(或称类脂小球)是一种类似生物膜结构的双分子层微小囊泡。1971年英国Ryme

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题目:

脂质体(或称类脂小球)是一种类似生物膜结构的双分子层微小囊泡。1971年英国Rymen等人开始将脂质体作为药物载体。脂质体是将药物包封于类脂质双分子层形成的薄膜中间所得的超微型球状载体。脂质体根据其结构和所包含的双层磷脂膜层数,可分为单室脂质体和多室脂质体。

关于脂质体,叙述错误的是()

A.脂质体是将药物包封于类脂质双分子层内而形成的超微型球体

B.脂质体由磷脂和胆固醇组成

C.脂质体结构与表面活性剂的胶束相似

D.脂质体相变温度的高低取决于磷脂的种类

E.凡经超声波分散的脂质体混悬液,绝大部分为单室脂质体

答案:

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