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From genes to machines: DNA nanomechanical devices

Tipo de material: TextoTextoSeries ; Trends in BioChemical Sciences, 30, p.119-125, 2005Trabajos contenidos:
  • Seeman, N.C
Recursos en línea: Resumen: The structural properties that enable DNA to serve so effectively as genetic material can also be used for other purposes. The complementarity that leads to the pairing of the strands of the DNA double helix can be exploited to assemble more complex motifs, based on branched structures. These structures have been used as the basis of larger 2D and 3D constructions. In addition, they have been used to make nanomechanical devices. These devices range from DNA-based shape-shifting structures to gears and walkers, a DNA-stress gauge and even a translation device. The devices are activated by mechanisms as diverse as small molecules, proteins and, most intriguingly, other molecules of DNA.
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The structural properties that enable DNA to serve so effectively as genetic material can also be used for other purposes. The complementarity that leads to the pairing of the strands of the DNA double helix can be exploited to assemble more complex motifs, based on branched structures. These structures have been used as the basis of larger 2D and 3D constructions. In addition, they have been used to make nanomechanical devices. These devices range from DNA-based shape-shifting structures to gears and walkers, a DNA-stress gauge and even a translation device. The devices are activated by mechanisms as diverse as small molecules, proteins and, most intriguingly, other molecules of DNA.

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