Figure 3.
SEM images of the treated wood: (a) old wood, (b) old wood treated with HAp, (c) old wood treated with Au, (d) old wood treated with Au and Hap. Reused from an open access source [1].
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.