Abstract
DNA origami is an emerging technology for designing and constructing defined multidimensional nanostructures. This technology is now expanding to materials science. This article introduces the basics of DNA origami, the design of various two-dimensional and three-dimensional DNA origami structures, and the programmed assembly of origami structures. DNA origami has unique properties, such as an addressable surface, which enables selective functionalization with biomolecules and nanomaterials. The origami can also be combined with top-down nanotechnology, such as placement on a fabricated substrate. The technology is also applied to single-molecule imaging and analysis systems constructed on designed DNA origami structures. Furthermore, DNA mechanical nanodevices working on DNA origami have been realized, and cell-oriented applications are now in progress. DNA origami technology has practical potential in various research fields.
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