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Keywords:

  • DNA structures;
  • metal–base pairs;
  • salen ligands;
  • self-assembly;
  • stacking interactions
Thumbnail image of graphical abstract

A helical turn full of metal ions! The metal–salen base-pair concept allows the incorporation of up to 10 transition-metal ions into double strands of DNA (see picture; Mn gray spheres, C gray, N blue, P orange, O red). The crosslinking provided by the metal–salen complexes conveys a high stability to the self-assembled systems.