An official website of the United States government
Here's how you know
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.
Bar graph of live and dead (A)E. coli ATCC 25922, (B)E. coli O157:H7 in the presence and absence of Ag-c NPs, where bacterial cells counts are expressed as a function of percentage per milliliter.