Safer Nanoparticles Release Cancer Drugs, Then Break Down, University of California, San Diego (UCSD) Study  
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.