V2EX photosensitizer

Photosensitizer

释义 Definition

光敏剂;光致敏剂:一种能吸收光(常见为可见光/紫外光)并把能量或电子转移给其他分子的物质,从而引发或加速化学反应/生物效应(如产生活性氧)的“增敏”材料。常用于光动力治疗(PDT)、摄影化学、聚合反应、光氧化等领域。

发音 Pronunciation (IPA)

/fotosn.sta.z/

例句 Examples

The doctor injected a photosensitizer before the light treatment.
医生在光照治疗前注射了光敏剂。

In photodynamic therapy, a photosensitizer accumulates in tumor tissue and, when activated by light, generates reactive oxygen species that damage cancer cells.
在光动力治疗中,光敏剂会在肿瘤组织中富集,并在光照激活后产生活性氧,从而破坏癌细胞。

词源 Etymology

由 **photo-**(“光”,源自希腊语 *phōs/phōt-*)+ sensitize(“使敏化/使更敏感”)+ -er(表示“施事者/起作用的东西”)构成,字面意思是“让系统对光更敏感的东西”,即“通过吸光来触发或增强反应的物质”。

相关词 Related Words

文献与作品 Literary / Notable Works

该词主要出现在科学论文、医学与光化学教材中,较少见于传统小说诗歌等文学作品。常见载体包括:

  • Principles of Fluorescence Spectroscopy(荧光光谱学经典教材,常讨论相关染料/光敏分子)
  • 期刊 Photochemistry and Photobiology(光化学与光生物学领域常用术语)
  • 期刊 Chemical Reviews(综述文章中常讨论光敏剂在反应与材料中的应用)
  • 期刊 Journal of Photochemistry and Photobiology(含A/B/C分刊,常涉及光敏剂与PDT)
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