3/2/2009 8:00:34 AM
ScienceDaily (Mar. 1, 2009) — Small is promising when it comes to illuminating tiny tumors or precisely delivering drugs, but many worry about the safety of nano-scale materials. Now a team of scientists has created minuscule flakes of silicon that glow brightly, last long enough to slowly release cancer drugs, then break down into harmless by-products.
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