Physical UV-blocker TiO2 nanocomposites elevated toxicity of chemical sunscreen BP-1 under UV irradiation

Qiaorong Guo,Dongbin Wei,Chuanfang Zhao,Cuiping Wang,Haijun Ma,Yuguo Du

Chemical Engineering Journal（2023）

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摘要

•CG-TiO2 significantly enhanced toxicity formation from BP-1 during UV irradiation.•Transformation products of BP-1 contributed to acute toxicity elevation.•The organic protective layers on CG-TiO2 would be broken due UV irradiation.•Broken CG-TiO2 could catalytically degrade the intrinsically photostable BP-1.

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关键词

Sunscreens,UV irradiation,Toxicity,Transformation,Photocatalysis

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