V2EX phototoxicity

Phototoxicity

释义 Definition

光毒性:指某些物质(常见如药物、化妆品成分或植物化学物)在光照(尤其是紫外线 UVA)作用下被激活,引发对皮肤或眼部组织的损伤或炎症反应,常表现为类似“晒伤”的红斑、灼痛、起疱、色素沉着等。(不同于“光过敏/ photoallergy”,后者更偏免疫反应。)

发音 Pronunciation (IPA)

/fototkssti/

例句 Examples

Phototoxicity can cause a rash after you take certain antibiotics and go into the sun.
光毒性可能会导致你在服用某些抗生素后晒太阳出现皮疹。

Because the compound absorbs UVA strongly, researchers evaluated its phototoxicity using cell-based assays before clinical testing.
由于该化合物对UVA吸收很强,研究人员在临床测试前使用细胞实验评估了它的光毒性。

词源 Etymology

由 **photo-**(“光”,源自希腊语 *phōs/phōt-*)+ toxicity(“毒性”,来自 toxic,与希腊语 toxikon 相关,原指“箭毒”)组合而成,字面意思就是“由光触发的毒性”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • 《Fitzpatrick’s Dermatology in General Medicine》(皮肤病学经典教材):在“药物相关光敏反应”章节中讨论 phototoxicity 的机制与临床表现。
  • 《Casarett & Doull’s Toxicology》(毒理学权威教材):在“光毒性与光致损伤”相关内容中使用 phototoxicity 讨论风险评估与实验方法。
  • 《Principles and Practice of Photoprotection》(光防护专业著作):涉及 phototoxicity 与防晒/光照管理的关系。
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