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Wednesday, May 9, 2007

Building a better mouse scanner

Could nanotechnology result in a super-high resolution X-ray machine?

More than a century ago, Dr. Wilhelm Roentgen discovered he could use invisible rays to take a photograph of the inside of his wife's hand. Today, X-rays and million-dollar CT scanners are much faster and more accurate, but still work much the same way as Roentgen's crude machine -- they project X-rays from a single source, like a high-end light bulb.
mouse.jpg

But Otto Zhou, founder of a small North Carolina company called Xintek, showed hints of a potentially better way in a slideshow today at BIO: Using numerous tiny carbon nanotubes to generate electron beams, he took detailed, high-resolution images of an anesthetized mouse - an animal whose high heart rate and breathing rate can easily blur a normal X-ray. Among the future applications he suggested: extremely precise detection of tiny cancers.
(By Stephen Heuser, Globe staff)

Posted by Boston Globe Business Team at 01:09 PM
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