V2EX gel-electrophoresis

Gel Electrophoresis

Definition 定义

凝胶电泳:一种实验室分离技术,利用电场使带电的生物分子(如 DNA、RNA、蛋白质)在凝胶中迁移;分子通常按大小(以及电荷/构象)差异被分开,并可用于检测、纯化或分析样品。(该术语在不同实验中也可细分为琼脂糖凝胶电泳、聚丙烯酰胺凝胶电泳等。)

Pronunciation 发音

/dl lk.tr.fr.ss/

Examples 例句

We ran gel electrophoresis to check the DNA sample.
我们做了凝胶电泳来检查这份 DNA 样品。

After PCR, gel electrophoresis showed a clear band at the expected size, confirming the target fragment was amplified.
PCR 之后,凝胶电泳在预期大小处显示出清晰条带,证实目标片段已被扩增。

Etymology 词源

gel 来自拉丁语 gelu(“霜、冰冷/凝结”相关含义),在现代科学语境中指“凝胶状介质”。
electrophoresis 由 **electro-**(电)+ 希腊语词根 phoresis(携带、运载、迁移)构成,字面含义接近“在电的作用下迁移”。合起来即“在凝胶中进行的电致迁移分离”。

Related Words 相关

Literary/Notable Works 文学与著名作品

  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell)
  • Lehninger Principles of Biochemistry(Nelson & Cox)
  • Molecular Biology of the Cell(Alberts 等)
  • Genes(Lewin)
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