V2EX chiral

Chiral

释义 Definition

chiral(手性的;不对称的):指一个物体或分子与其镜像不能完全重合(就像左手和右手互为镜像但无法重叠)。常用于化学、生物学、药学与材料科学中;与之相关的名词是 chirality(手性)

例句 Examples

A chiral molecule can exist in two mirror-image forms.
手性分子可以以两种互为镜像的形式存在。

Because the drug is chiral, one enantiomer may be therapeutic while the other could be less effective or cause side effects.
由于这种药物具有手性,其中一种对映体可能有治疗作用,而另一种可能疗效较差或带来副作用。

发音 Pronunciation (IPA)

/karl/

词源 Etymology

chiral 来自 **chir-**(源于希腊语 kheir,意为“手”)+ 形容词后缀 -al。之所以用“手”来比喻,是因为左右手互为镜像却不能重合,正是“手性”的直观例子。

相关词 Related Words

文学/著作中的用例 Notable Works

  • Organic Chemistry(Clayden, Greeves & Warren):在立体化学章节中频繁使用 chiral(如手性中心、对映体等)。
  • March’s Advanced Organic Chemistry(Smith & March):讨论反应机理与选择性时大量涉及 chiral 与不对称诱导。
  • Stereochemistry of Organic Compounds(Eliel & Wilen):系统讲解手性与对映异构,chiral 为核心术语之一。
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