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紫外线暴露下神经酰胺生物学效应的研究进展

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摘要 随着环境条件的改变及臭氧层空洞的出现,地球表面紫外线(UV)辐射水平日趋增强,它对人类生存环境造成越来越大的影响.UV是波长范围在100~400 nm之间的一种电磁波.根据其生物效应的差异,按照波长可以划分为3个波段:UVA (320 ~400 nm)、UVB (280~320 nm)、UVC (200~280nm).UV作为一种环境因素具有双向效应.一方面,UV能够消毒杀菌,增强机体免疫力和有利维生素D合成;另一方面,过度暴露UV可引起皮肤炎症、色素沉着异常、屏障功能减弱,甚至癌变等.
出处 《中华劳动卫生职业病杂志》 CAS CSCD 北大核心 2014年第10期792-795,共4页 Chinese Journal of Industrial Hygiene and Occupational Diseases
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