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Contact: David Ruth
Rice University

Agent 3

Caption: An X-ray image of unlabeled mesenchymal stem cells in test tubes shows the dramatic difference between those tagged with nanotubes that don't include bismuth (left) and those that do (right). The technique developed at Rice University shows promise for tracking live stem cells in the body.

Credit: Eladio Rivera/Rice University

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Related news release: Bismuth-carrying nanotubes show promise for CT scans

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