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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Photochem Photobiol Sci. 2011 Aug 1;11(1):90–97. doi: 10.1039/c1pp05144j

Figure 1. The major UVB- and UVA-induced DNA photoproducts are induced at different wavelengths.

Figure 1

The diagram shows the subdivision of the solar UV spectrum. Shorter UV wavelengths are blocked by oxygen and ozone (stop signs). Terrestrial sunlight contains UVA and UVB components at wavelengths of ~300 nm and longer. The specific DNA lesions produced by UVA and UVB in this range of wavelengths are indicated by arrows.