Fig. 1.
Top: chemical structure of ICG; middle: glass surface geometry. APS is used to functionalise the surface of the glass with amine groups which readily bind gold colloids. Bottom: the sample geometry.
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.