Nanotech-based imaging technology helps detect early cancers

08/18/2008 | Yahoo!

Researchers have developed a noninvasive technique to detect early-stage cancer in living mice and monitor their treatment with the aid of "smart" targeted carbon nanotubes followed by laser scans. The technique, which takes advantage of a physical phenomenon known as the "photoacoustic effect," uses the nanotubes to absorb the laser energy and release ultrasound waves to highlight the location of tumor cells.

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