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.
UPLC-MS/MS chromatograms for ertapenem and meropenem (standard solution) for strains E. coli ATCC 25922 (left panels) and E. coli OXA-48 producer (right panels).