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.
TEM micrographs of (a–d) small spherical-like and (e–h) large hexagonal UCNPs; (a,e) non-coated and coated UCNPs with (b,f) Ale-PEG, (c,g) Ale-(PDMA-AEA), and (d,h) PMVEMA. The higher magnification of the spherical-like shape is shown in (a).
