Rekha R. Avirah and Gary B. Schuster Fluorescence Quenching by Intercalation of a Pyrene Group Tethered to an N4-modified Cytosine in Duplex DNA Photochemistry and Photobiology 89
The self-organizing and scaffolding properties of DNA are often used to assemble complex structures. We describe duplex DNA oligomers that contain a pyrene chromophore linked by a trimethylene chain to N4 of cytosine. Intercalation of the pyrene group stabilizes the duplex and causes efficient quenching of pyrene's fluorescence.
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