Figure 7.
Schematic of the transition dipole moment orientation 
(red arrow) of FITC bound to a SiO2 surface.
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.