V2EX photodamage

Photodamage

释义 Definition

光损伤;光致损害:指光(尤其是紫外线 UV、强可见光或激光)照射对生物组织/细胞或材料造成的损害,例如皮肤 DNA 损伤、光老化、色素褪色、聚合物降解等。(在不同领域也可指“光照引起的功能受损”,如植物光系统的光抑制。)

发音 Pronunciation (IPA)

/fotodmd/

词源 Etymology

由 **photo-**(来自希腊语 *phōs/phōt-*,意为“光”)+ damage(来自古法语 damage,意为“损害”)组合而成,字面意思就是“由光造成的损害”。该词常见于皮肤科、光生物学、材料科学与摄影/成像领域。

例句 Examples

Too much sun can cause photodamage to your skin.
过多日晒会对你的皮肤造成光损伤。

Repeated UV exposure accelerates photodamage by increasing oxidative stress and weakening the skin’s collagen network over time.
反复的紫外线暴露会通过增加氧化应激、并逐渐削弱皮肤胶原网络来加速光损伤。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Photochemistry and Photobiology(期刊,光化学与光生物学研究中常讨论“photodamage”,如 DNA、蛋白与光系统的光损伤)
  • Journal of Investigative Dermatology(期刊,皮肤光老化与 UV 引起的 photodamage 为高频主题)
  • Fitzpatrick’s Dermatology(皮肤科经典教材,涉及日光导致的皮肤光损伤与防护)
  • Principles and Practice of Photoprotection(光防护相关专著,常用“photodamage”讨论防晒与抗光老化策略)
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