Metal-Mediated DNA Base Pairing and Metal Arrays in Artificial DNA: Towards New Nanodevices



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Inside the helix: In addition to hydrogen bonds and π stacking in natural DNA, metal-ion-mediated base pairing is a third key motif for the interaction between complementary DNA. The introduction of several metal-ion-mediated base pairs adjacent to each other in DNA allows the self-assembled alignment of the metal centers to form a ferromagnetically coupled chain within the DNA-like double helix (see picture).