Coding and geometrical shapes in nanostructures: A fractal DNA-assembly

Alessandra Carbone, Nadrian Seeman

Research output: Contribution to journalArticle

Abstract

Fractal patterns represent an important class of aperiodic arrangements. Generating fractal structures by self-assembly is a major challenge for nanotechnology. The specificity of DNA sticky-ended interactions and the well-behaved structural nature of DNA parallelogram motifs has previously led to a protocol that appears likely to be capable of producing fractal constructions [A. Carbone and N.C. Seeman, A route to fractal DNA assembly, Natural Computing 1, 469-480, 2002]. That protocol depends on gluing the set of tiles with special 'glue tiles' to produce the fractal structure. It is possible to develop a fractal-assembly protocol that does not require the participation of gluing components. When designed with similar DNA parallelogram motifs, the protocol involves sixteen specific tiles, sixteen closely related tiles, and a series of protecting groups that are designed to be removed by the introduction of specific strands into the solution. One novel aspect of the construction on the theoretical level is the interplay of both geometry and coding in tile design. A second feature, related to the implementation, is the notion of generalized protecting groups.

Original languageEnglish (US)
Pages (from-to)133-151
Number of pages19
JournalNatural Computing
Volume2
Issue number2
DOIs
StatePublished - 2003

Fingerprint

Fractals
Tile
Nanostructures
DNA
Gluing
Glues
Nanotechnology
Self assembly
Geometry

Keywords

  • Coding of tiles
  • DNA assembly
  • DNA molecules
  • DNA nanotechnology
  • Geometry of tiles
  • Sierpinski fractals
  • Tiling

ASJC Scopus subject areas

  • Computer Science(all)

Cite this

Coding and geometrical shapes in nanostructures : A fractal DNA-assembly. / Carbone, Alessandra; Seeman, Nadrian.

In: Natural Computing, Vol. 2, No. 2, 2003, p. 133-151.

Research output: Contribution to journalArticle

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