Crystalline Two-Dimensional DNA-Origami Arrays
DNA origami gets large: a double-layer DNA-origami tile with two orthogonal domains underwent self-assembly into well-ordered two-dimensional DNA arrays with edge dimensions of 2-3 μm (see schematic representation and AFM image). This size is likely to be large enough to connect bottom-up methods of patterning with top-down approaches.
W. Liu et al., "Crystalline Two-Dimensional DNA-Origami Arrays," Angewandte Chemie-international Edition, vol. 50, no. 1, pp. 264-267, Wiley, Jan 2011.
The definitive version is available at http://dx.doi.org/10.1002/anie.201005911
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