Fig. 7.
UV-visible spectra of 4-NP reduction reaction with AC-AuNP catalysts. AC-AuNPs were synthesized with extract concentrations of a 0.015 %, b 0.025 %, c 0.035 %, d 0.045 %, and e 0.055 %
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.