Official websites use .gov
A
.gov website belongs to an official
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A lock (
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information only on official, secure websites.
(A) Schematic illustrations of square, rectangle, star, disk with three holes, triangle with rectangular domains, and sharp triangle with trapezoidal domains (78). (B) Direct self-assembly of DNA into nanoscale three-dimensional shapes and TEM results (86). (C) DNA origami nanostructures with complex 3D curvatures (87).
