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September 25th, 2007
One technique now drawing wide interest is Eugene Zubarev's work building gold nanostructures using a biological process. Attach the gold to an antibody and it will find the tumor. Attach your chemo drug to the gold, and the tumor can be killed without impacting the rest of the body.
The gold nanostructures may be just two nanometers in diameter, and can easily pass through holes in the blood vessels feeding the tumors, which can be as wide as 1,000 nanometers across.
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