An official website of the United States government
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.
 Image Number D615-1 |
From left, microbiologist George Paoli, postdoctoral research associate Lynn Kleina, and chemist Jeffrey Brewster examine colonies of Listeria monocytogenes captured with immunomagnetic beads coated with single-chain antibodies specific for the pathogen.
Photo by Peggy Greb.
