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Magnetic nanoparticles to pinpoint viruses in body scans

By Andy Coghlan

23 August 2003

AN INJECTION of magnetic nanoparticles into your bloodstream could reveal precisely where harmful viruses are lurking.

The particles are coated with antibodies to a particular virus, so they will form clumps that should be visible on conventional body scans if that virus is present.

The team working on the technology, from the Harvard Medical School’s Center for Molecular Imaging Research in Charlestown, Massachusetts, have already managed to detect viruses in body fluids and tissue samples. They hope to be able to detect viruses in patients’ bodies within a couple of years.

Much of the technology has already been tested in…

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