V2EX gel electrophoresis

Gel Electrophoresis

释义 Definition

凝胶电泳:一种实验室分离技术,利用电场使带电分子(常见为 DNA、RNA 或蛋白质)在凝胶(如琼脂糖或聚丙烯酰胺)中迁移,并按大小、构象或电荷差异被分开,用于分析、鉴定或纯化样品。

发音 Pronunciation (IPA)

/dl lktrfriss/

例句 Examples

We ran a gel electrophoresis to check the PCR product.
我们做了凝胶电泳来检查 PCR 产物。

After restriction digestion, the plasmid fragments were separated by gel electrophoresis and the correct band was excised for cloning.
限制性内切酶消化后,我们用凝胶电泳分离质粒片段,并切下正确条带用于克隆。

词源 Etymology

gel(凝胶)指具有网状结构的半固体介质,可让分子在其中“筛分式”移动;electrophoresis 来自 *electro-*(电)+ -phoresis(携带、迁移,源自希腊语 phorein “携带”)。合起来表示“在电场中通过凝胶介质进行迁移与分离”的方法。

相关词 Related Words

文学/著作中的用例 Notable Works

  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell 等实验手册中大量使用并讲解该术语与操作)
  • Molecular Biology of the Cell(Alberts 等教材中用于介绍核酸与蛋白分析方法)
  • Lehninger Principles of Biochemistry(生物化学教材中作为常见分析技术出现)
  • Edwin M. Southern 的经典论文与相关方法学文献(如 Southern blot 的流程中以凝胶电泳作为关键步骤,术语频繁出现)
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