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.
(a) UV/Visible spectra for the as-synthesized nanoparticle suspensions. (b) UV/Visible spectra for gold nanocaltrop samples before and after a ten-fold suspension concentrating. Concentrated samples show no change in absorption profile other than in increase in absorbance. Note the break and change of scale in the absorbance axis.
