Addressable high-information-density DNA nanostructures

Tumpane, John, Sandin, Peter, Kumar, Ravindra, Powers, Vicki E.C., Lundberg, Erik P., Gale, Nittaya, Baglioni, Piero, Lehn, Jean-Marie, Albinsson, Bo, Lincoln, Per, Wilhelmsson, L. Marcus, Brown, Tom and Nordén, Bengt (2007) Addressable high-information-density DNA nanostructures. Chemical Physics Letters, 440 (1-3), 125-129. (doi:10.1016/j.cplett.2007.04.018).

Abstract

We present a strategy for self-assembly of the smallest yet reported DNA nanostructures that are also addressable in terms of their DNA-base code. Using linear as well as novel branched three-way DNA oligonucleotide building-blocks we demonstrate the formation of a nano-network’s fundamental cell, a DNA pseudo-hexagon of side 4 nm. The network’s inherent addressability will allow functionalization with sub-nanometer precision yielding unprecedented richness in information density, important in the context of Moore’s Law and nano-chip technology.

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