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. Author manuscript; available in PMC: 2011 Jun 9.
Published in final edited form as: Nano Lett. 2010 Jun 9;10(6):1971–1978. doi: 10.1021/nl101262u

Figure 3. Atomic Force Micrographs of DNA Origami Constructs.

Figure 3

(a) A Smiley Face. The scaffold strand, bound to helper strands, zigzags back and forth from left to right, yielding the structure seen. (b) A Map of the Western Hemisphere. This image demonstrates dramatically the addressability of the DNA array. Each of the white pixels is made by a small DNA double helical domain roughly normal to the surface.