V2EX disulfide

Disulfide

释义 Definition

disulfide(二硫化物 / 二硫化物键):指含有两个硫原子的化合物或结构单元;在生物化学中常指蛋白质里由两个半胱氨酸形成的二硫键(SS),用于稳定蛋白质结构。(该词也可用于不同化学体系中的“二硫化物”统称。)

发音 Pronunciation (IPA)

/daslfad/

例句 Examples

Disulfide bonds help proteins keep their shape.
二硫键帮助蛋白质保持其形状。

The drug’s stability depends on whether its disulfide linkage remains intact under oxidative conditions.
这种药物的稳定性取决于其二硫键连接在氧化条件下是否保持完整。

词源 Etymology

由前缀 **di-**(“二、两个”)+ sulfide(“硫化物”)构成,字面意思就是“含两个硫的硫化物”。在化学与生物化学语境中,常用来指 SS 连接(尤其是蛋白质中的二硫键)。

相关词 Related Words

文学作品中的用例 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)中常在蛋白质结构章节讨论 disulfide bonds
  • Molecular Biology of the Cell(《细胞的分子生物学》)在蛋白质折叠与分泌途径中涉及 disulfide bond/disulfide linkage 的形成与作用。
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