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. 2022 Mar 2;12:3468. doi: 10.1038/s41598-022-06828-x

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(a) Depth penetration of the various UV solar radiations within a human skin, (b) UV protection window of the current biosynthesized CeO₂ compared to those standard compounds (organics) and traditional nanoscaled oxides ZnO and TiO₂.