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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K7794-1

Nutritional immunologist Tim Kramer examines a collection of individual T-cell proliferation cultures harvested onto the filter mat of a 96-well cell harvester. The samples can be used to determine how much T-cell growth has taken place.

Photo by Keith Weller.



640 pixels wide: (k7794-1.jpg)




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Last Modified: 5/23/2006