Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a, b) TEM images of spherical gold nanoparticle superstructures. (c) X–Y computational slices (i–viii) of the 3D tomographic volume containing the nanoparticle assembly (scale bar = 20 nm). (d) 3D surface rendering of the tomographic volume.
