V2EX proton transfer

Proton Transfer

Definition / 定义

proton transfer质子转移。指一个质子(H)从一个分子/原子团(供体)转移到另一个分子/原子团(受体)的过程,是酸碱反应、氢键网络与许多生化催化(如酶反应)中的核心步骤。常见于水溶液、氢键体系与电化学/材料体系中。(在不同语境下也可涉及“协同质子转移”“质子耦合电子转移”等更具体概念。)

Pronunciation / 发音

/protn trnsf/(美式常见)
/prtn trnsf/(英式常见)

Examples / 例句

Proton transfer happens quickly in water.
质子转移在水中发生得很快。

In the enzyme’s active site, a hydrogen-bond network enables efficient proton transfer, stabilizing the reaction intermediate.
在酶的活性位点中,氢键网络促成高效的质子转移,从而稳定反应中间体。

Etymology / 词源

proton 源自希腊语 prtos(“第一”),早期用来指原子核中带正电的基本粒子“质子”;transfer 来自拉丁语 transferre(*trans-*“跨越” + ferre“携带/带来”),意为“转移、搬运”。合在一起,proton transfer 直译为“质子的转移”,在化学中专指 在供体与受体之间的迁移过程。

Related Words / 相关词汇

Literary Works / 文学作品

  • Physical Chemistry(Atkins & de Paula,《物理化学》):讨论酸碱平衡、溶液中离子迁移与质子转移相关概念。
  • Organic Chemistry(Clayden, Greeves & Warren,《有机化学》):在机理章节中频繁涉及质子转移步骤(proton transfer step)。
  • Principles of Biochemistry(Lehninger,《雷宁格生物化学原理》):在酶催化与酸碱催化中讨论活性位点的质子转移。
  • The Nature of the Chemical Bond(Linus Pauling,《化学键的本质》):在氢键与结构稳定性相关讨论中涉及质子转移与氢键行为的联系。
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