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January 26th, 2007
Nanotechnology: Smaller is Better
Abstract:
What makes nanoparticles—tiny gold balls 300 billionths of a meter in diameter—so special is that they can be fine-tuned in three important ways. First, researchers can attach proteins to them that are the exact match for proteins in tissues of interest, such as tumors. When such nanoparticles are injected, they will link up only with cancer cells. When they show up in a photoacoustic image, radiologists will be able to clearly see where the tumor is.
Source:
stanford.edu
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