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. Author manuscript; available in PMC: 2017 Jun 29.
Published in final edited form as: J Am Chem Soc. 2015 Oct 14;137(42):13566–13571. doi: 10.1021/jacs.5b07908

Figure 2.

Figure 2

Body-centered cubic nanoparticle superlattices. (a) Depictions of body-centered cubic (bcc) nanoparticle superlattices of four different oligonucleotide bond compositions (to-scale). Gold nanoparticles are shown in yellow and the oligonucleotide bond in red, blue, or purple. (b) Small-angle X-ray scattering (SAXS) of nanoparticle superlattices with four different “bond” compositions and three different interparticle distances (from bottom to top: short (46-base pair (-bp)), medium (67-bp), and long (128-bp) linkers). (c) Scanning electron microscopy (SEM) images of nanoparticle super-lattices in the solid state. In all cases, single crystal rhombic dodecahedra are observed. Scale bars = 100 nm.