Abstract
Supramolecular structures constructed by the self-assembly of biomolecules are of special interest in a range of areas, including bio nanotechnology and nanomedicine. The nucleobase guanosine and its derivatives form tetramers linked by Hoogsteen-type hydrogen bonds, in presence of cation as Na+ and K+. These tetramers, called G-quartets stack on top of one another to form elongated stru…