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.
Optical photograph of colloidal solution of (A) Trianthema decandra root extract, (B) HAuCl4 solution reduced with 5 mL of T. decandra extract, (C) HAuCl4 solution reduced with 10 mL of T. decandra extract, and (D) HAuCl4 solution reduced with 15 mL of T. decandra extract.
