Assembly of single-walled carbon nanotubes on DNA-origami templates through streptavidin-biotin interaction.

The exceptional self-assembly properties of DNA, which are based on simple base-paring rules, make it a very promising construction material in the nanoworld. [ 1 ] The development of the DNA-origami technique, [ 2 ] which is based on the folding of long single-stranded DNA with the help of hundreds of short oligonucleotides (so-called staple strands), opened new routes to relatively simple and fast fabrication of twoand three-dimensional nanostructures of exceptional complexity. [ 2–7 ] Since individual staple strands can be readily modifi ed with various functional groups, the DNA-origami structure can be used as a template for the organization of different materials, for example, proteins, [ 8–11 ] metal nanoparticles, [ 12–14 ] virus capsids, [ 15 ] and carbon nanotubes, [ 16 ]

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