Fig. 7.
GO-decorated Au/FBG probe spectra once immersed at different densities of COVID-19 virus after 10 sec (a), 20 sec (b), 50 sec (c), and 100 sec (d).
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.