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.
Illustration of the dispensing of sub-nanoliter liquid droplets to photonic crystal biosilica by inkjet printing. The enormous molecular accumulation effect was achieved by the evaporation-induced spontaneous flow as highlighted by the upper-right figure, which improved the optofluidic SERS sensitivity by 106–107.
