V2EX western blot

Western Blot

定义 Definition

Western blot(蛋白质免疫印迹):一种常用的实验室技术,用来检测样品中特定蛋白质。通常先通过凝胶电泳按大小分离蛋白质,再转移到膜上,利用抗体进行特异性识别与显色/发光检测。也常简称为 WB

发音 Pronunciation (IPA)

/wstn blt/

例句 Examples

Western blot helps confirm whether a protein is present in a sample.
Western blot 有助于确认样品中是否存在某种蛋白质。

After treating the cells with the drug, the researchers used Western blot to measure changes in protein expression and phosphorylation levels.
在用药物处理细胞后,研究人员用 Western blot 测量蛋白表达量及磷酸化水平的变化。

词源 Etymology

Western blot”的命名带有学术圈的幽默色彩:更早有检测 DNA 的 Southern blot(以发明者 Edwin Southern 的姓命名),后来出现检测 RNA 的 Northern blot(仿称),而用于检测蛋白质的技术被称为 Western blot(同样沿用方向词的仿称)。这里的 “blot” 本义是“污渍/弄脏”,在生物实验语境中引申为“印迹、转印到膜上的检测方法”。

相关词 Related Words

文学与著名作品 Literary & Notable Works

Western blot 主要属于现代分子生物学实验术语,更常见于科研论文、实验手册与教材,而非传统文学作品。它在大量经典实验方法书中频繁出现,例如:

  • Molecular Cloning: A Laboratory Manual(Sambrook & Russell)
  • Current Protocols in Molecular Biology(系列方法学手册)
  • Antibodies: A Laboratory Manual(Harlow & Lane)
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