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B. Carbon Nanotubes May Help Aid Bones on the Bend

Narrator: This is Science Today. Carbon nanotubes are cylindrical carbon molecules that are 100 thousand times smaller than a human hair. These strong, flexible and lightweight structures are useful in many applications, including nano-electronics, optics and materials applications. Now, researchers report they could aid human bones on the mend. Robert Haddon, director of the Center for Nanoscale Science and Engineering at the University of California , Riverside , says carbon nanotubes can serve as scaffolds to hold up regenerating bone.

Haddon: Our effort is designed to repair bone on the nanoscale. To try to replace the collagen that the body naturally supplies with our own material, and hopefully to lead to the production of bone.

Narrator: The research was done in a lab setting only, so Haddon says there's much more work to be done.

Haddon: I think the key step is to team up with the right researchers in a clinical setting where we could start to do some testing of the cell lines that are precursors to bone growth.

Narrator: For Science Today, I'm Larissa Branin.