Credit: Images courtesy of Oleg Gang.
a) Illustration of the approach used to fabricate a diamond superlattice with gold nanoparticles and DNA. b)Experimental results: Top: Cryo-transmission electron microscopy density map of a DNA tetrahedron. Middle: Transmission electron microscopy image of a DNA-caged nanoparticle (scale bars, 20 nm). Bottom: High magnification scanning transmission electron microscopy image of the diamond superlattice along the [110] zone axis (scale bar, 50 nm).