Figure 4.
(a) SEM micrographs of PUG, PUG-C and PUG-WS. (b) SEM micrographs of PUG-D and the diatomite filler located within the cell-struts of PUG-D matrix.
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.