V2EX polydentate

Polydentate

释义 Definition(中文)

polydentate(多齿的;多配位点的):多用于配位化学,指配体具有两个或以上的供电子原子(配位原子),能同时与同一个金属中心形成多个配位键(“多齿配体”)。

发音 Pronunciation(IPA)

/pl.idn.tet/(英)
/pl.idn.tet/(美)

例句 Examples

A polydentate ligand can bind to a metal in more than one place.
多齿配体可以在不止一个位置与金属结合。

Because EDTA is polydentate, it forms very stable complexes with many metal ions, which is why it is widely used in chelation and water treatment.
由于 EDTA 是多齿配体,它能与多种金属离子形成非常稳定的配合物,因此被广泛用于螯合与水处理。

词源 Etymology(中文)

由 **poly-**(“多、多个”)+ dentate(源自拉丁语 *dens, dent-*,意为“牙”)构成。字面意思是“多牙的”,在化学中借用来形容配体像“多颗牙齿”一样,能从多个点“咬住”金属中心(即多点配位)。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Inorganic Chemistry(Miessler, Fischer & Tarr):在配位化学章节中讨论多齿配体与配合物稳定性时常出现 polydentate
  • Coordination Chemistry Reviews(学术期刊):关于金属配合物与螯合效应的综述论文中频繁使用 polydentate
  • Principles of Bioinorganic Chemistry(Lippard & Berg):在讲解生物体系中金属结合与多配位点配体/配位环境时会使用该词。
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