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. Author manuscript; available in PMC: 2013 Jul 11.
Published in final edited form as: Chem Rev. 2012 Mar 16;112(7):4221–4245. doi: 10.1021/cr100351g

Figure 2.

Figure 2

Häner’s carboxamide-linked phenanthrenes (A) and pyrenes (B). (A) The molecular model of 14 phenanthrenes incorporated into a 21-mer oligonucleotide shows an extended structure, compared to the unmodified DNA, illustrating the interstrand stacking arrangement of the phenenthrenes. (B) A right-handed helical structure was observed when more than 12 pyrenes were stacked together. This chirality in the oligopyrene unit was induced by the neighboring DNA and is more pronounced when DNA is only on one end of the oligopyrene compared to being on both. Adapted with permission from refs 97 and 117. Copyright 2005 and 2009 Wiley-VCH Verlag GmbH & Co. KGaA.