Читать книгу DNA Origami - Группа авторов - Страница 35

Position‐controlled placement of nanomaterials has been carried out by employing the addressable property of DNA origami. By directly coupling AuNPs with a staple DNA strand, AuNPs have been selectively placed on DNA origami [34, 35]. Alternatively, thiol groups were first placed on DNA origami structures to assemble AuNPs at predesigned positions [91, 92]. The yield of AuNPs binding improved using the small cavities of the DNA origami structures to accommodate them. Incorporating single‐stranded DNAs on DNA origami controlled the positioning of two DNA‐modified carbon nanotubes into cross‐junctions on both sides of the DNA origami [93]. Position‐controlled carbon nanotubes were applied to create a single‐molecule device, which showed field‐effect transistor‐like behavior.