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(A) The structure of 2D DNA tile lattices comprising two and four units (62). The images below represent the structures for DAO and DAE units. (B) The original design and AFM images of nanoribbons (69). (C) Schematic drawings of DNA tiles with multiple DNA bridges (73). (D) Schematic drawings and transmission electron microscope (TEM) images of DNA tile assembled 3D nanostructures (77).
