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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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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.


640 pixels wide: (d615-1.jpg)




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Last Modified: 9/26/2006