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Bio-Sensors Nanotechnology

The 21st Century Doctor - A Biosensor that Detects Illness

16 years ago

1240  0
Posted on Sep 22, 2002, 11 a.m. By Bill Freeman

Researchers at the University of Michigan are using state of the art nanotechnology to help them in their quest to develop a biosensor that can detect illness. The team are using minute spheres of synthetic polymers to create nanosensors that are just five billionths of a meter in diameter. The plan is to deliver billions of the tiny spheres into the bloodstream through a skin patch.

Researchers at the University of Michigan are using state of the art nanotechnology to help them in their quest to develop a biosensor that can detect illness. The team are using minute spheres of synthetic polymers to create nanosensors that are just five billionths of a meter in diameter. The plan is to deliver billions of the tiny spheres into the bloodstream through a skin patch. Once in the blood, the nanosensors embed themselves into the white blood cells. If the sensors detect any changes in the protein composition of the blood cells - sign of illness or other problems such as exposure to radiation - they glow. The main problem at the moment is how doctors will detect this glow, however the researchers are hoping to develop a device that scans the retina for signs of fluorescence. Although the biosensor is currently in the early stages of development, the researchers have been given a $2-milion grant from NASA, who are hoping that the device could be used to monitor astronauts for signs of radiation sickness.

SOURCE/REFERENCE: Reported by www.ABCNews.com on the 12th July 2002

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