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United States Department of Agriculture

Agricultural Research Service

Image Number D1419-3

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Image Number D1419-3

Using protein gel electrophoresis, biologist Luisa Cheng separates crude botulinum toxin into individual protein bands that will help identify which protein component could affect toxicity.


Photo by Stephen Ausmus.

640 pixels wide: (d1419-3.jpg)

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Last Modified: 11/24/2009
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