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United States Department of Agriculture

Agricultural Research Service

Image Number D1418-9

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Image Number D1418-9

Besides investigating botulinum toxin, chemist Reuven Rasooly is studying toxins produced by Staphylococcus aureus. Here, after extracting staph toxin from food, Rasooly and bioscience technician Paula Do look for replication of spleen cells. Replication is a measure of the amount of biologically active toxin.

 

Photo by Stephen Ausmus.


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Last Modified: 11/24/2009