V2EX superoxide

Superoxide

Definition / 定义

超氧化物;超氧阴离子。常指活性氧的一种形式 O(超氧阴离子),也可泛指含有“超氧”基团的化合物(超氧化物盐),在氧化反应与生物体内氧化应激中很常见。

Pronunciation / 发音

/suprksad/
/suprksad/

Examples / 例句

Superoxide can damage cells if it builds up.
如果超氧化物在体内积累,可能会损伤细胞。

During inflammation, immune cells generate superoxide, which can trigger a chain of oxidative reactions affecting nearby tissues.
在炎症过程中,免疫细胞会产生超氧化物,它可能引发一连串氧化反应并影响邻近组织。

Etymology / 词源

由 **super-**(“超、过度、在……之上”)+ oxide(“氧化物”)构成,用于化学命名中表示“比普通氧化物含有更高活性/不同形式的氧”(常见为 O 这一超氧阴离子)。该词在近现代化学与生物化学语境中广泛使用。

Related Words / 相关词

Literary Works / 文学作品

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Free Radicals in Biology and Medicine(《生物与医学中的自由基》)
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