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December 27, 2005

Gyroscope sets course to fight cancer

Miniaturised gyroscopes more commonly found in missile guidance systems can make sensitive biosensors for fast cancer diagnosis.

Micro-gyroscopes comprise a chip with a vibrating disc the size of a sand grain mounted at its centre. The vibrations are highly sensitive to acceleration, so the chips can be used to detect motion in rockets, aircraft and anti-lock braking systems in cars.

But now Calum McNeil and his colleagues at the University of Newcastle in the UK have created a gyroscopic disc less than 0.1 millimetres across that can be used to "weigh" proteins, which allows it to identify particular proteins produced by cancer cells. The disc targets the kind of protein that binds to a DNA coating on a cross on the disc's surface.

Complete Article

Posted by thinkingmachine at December 27, 2005 07:04 PM

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