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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Acta Biomater. 2014 Sep 22;11:393–403. doi: 10.1016/j.actbio.2014.09.020

Figure 1.

Figure 1

TEM images of each of the layered stages showing nanoparticle size. The addition of the DNA layer results in initial clustering of multiple gold nanoparticle cores together to form a single particle.