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Duplex stabilization and energy transfer in zipper porphyrin-DNA

By ThaoNguyen Nguyen, Ashley Brewer and Eugen Stulz

Abstract

Zip it up: attachment of porphyrins onto complementary DNA strands leads to zipper-porphyrin arrays and, in the presence of eleven modifications, an increase in the melting temperature of the duplex. Mixed zinc and free-base porphyrin arrays undergo energy transfer from the zinc porphyrin to the free-base porphyrin in the annealed duplex but not in the denatured form (see scheme), giving access to reversible formation of potential photonic wire

Topics: QD
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:145787
Provided by: e-Prints Soton
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