2 条结果 关键词:DNA损伤 ×

Nanomaterial-based biosensors for a real-time detection of biological damage by UV light.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2015 Santonicola MG, Coscia MG, Sirilli M, Laurenzi S

本文报道了一种用于监测地球和太空环境中有害紫外辐射生物效应的微型化、轻量化生物传感器的设计与制备。该传感器将可响应紫外辐射的生物敏感元件 DNA 嵌入碳基杂化纳米材料中,制备了由石墨烯纳米片(GNPs)和双链 DNA(dsDNA)组成的杂化纳米结构薄膜,用于原位、实时检测 UV-C 辐射造成的损伤效应。其工作原理是:UV-C 照射引...

DNA dosimetry assessment for sunscreen genotoxic photoprotection.

PloS one 2012 Schuch AP, Lago JC, Yagura T, Menck CF

随着太阳紫外线辐射增强,防晒霜被广泛用于皮肤保护,但现有防晒系数评价主要基于红斑反应,难以反映紫外线诱导的DNA损伤等致癌风险。本文提出基于DNA剂量计的方法,评估防晒霜对模拟太阳光所致DNA损伤的光保护能力。该方法以高紫外透明弹性体Syslgard 184制备DNA剂量计,将质粒DNA暴露于模拟太阳光,并涂布不同防晒霜。利用DNA...