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United States Department of Agriculture

Agricultural Research Service

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Image Number K11688-1

The tube held by technician Sheri Mazenko contains concentrated immunomagnetic beads coated with antibodies that bind to specific bacteria, making it possible to detect contaminants in food.

Photo by Stephen Ausmus.

640 pixels wide: (k11688-1.jpg)

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Last Modified: 8/13/2016
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