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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K9759-20

Left: Normal liver cells. Middle: The reddish-brown color indicates presence of nitrated proteins that developed in response to stress from bacterial toxin. Right: Pretreatment with vitamin E appears to limit development of nitrated proteins.

Photo by Ted Elsasser.

640 pixels wide: (k9759-20.jpg)

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Last Modified: 5/23/2006
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