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Issue 21, 2008
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Supramolecular helical porphyrin arrays using DNA as a scaffold

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Abstract

A diphenyl porphyrin substituted nucleotide was incorporated site specifically into DNA, leading to helical stacked porphyrin arrays in the major groove of the duplexes. The porphyrins show an electronic interaction which is significantly enhanced compared to the analogous tetraphenyl porphyrin (TPP) as shown in the large exciton coupling of the porphyrin B-band absorbance. Analogous to the TPP–DNA, an induced helical secondary structure is observed in the single strand porphyrin–DNA. The modified DNA can be hybridised to an immobilised complementary strand leading to fluorescent beads.

Graphical abstract: Supramolecular helical porphyrin arrays using DNA as a scaffold

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Supplementary files

Article information


Submitted
05 Aug 2008
Accepted
12 Sep 2008
First published
22 Sep 2008

Org. Biomol. Chem., 2008,6, 3888-3891
Article type
Communication

Supramolecular helical porphyrin arrays using DNA as a scaffold

I. Bouamaied, T. Nguyen, T. Rühl and E. Stulz, Org. Biomol. Chem., 2008, 6, 3888
DOI: 10.1039/B813584C

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