Fig. 3.
a, b. Scanning electron microscope photomicrographs of beads. Beads encapsulated form only with chitosan coating (a) and beads encapsulated form with chitosan and Eu S100 nanoparticles coating (b).
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.