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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Angew Chem Int Ed Engl. 2014 May 19;53(27):7001–7005. doi: 10.1002/anie.201310609

Figure 4.

Figure 4

Reversibility of the DNA interstrand photo-cross-linking by a coumarin-modified ODN duplex 10 over six cycles of 50 min UV irradiation at 350 nm and 6 min at 254 nm.