Duke Engineer Demonstrates Synthesizing Silver Nanoparticles

Stella Marinakos, nanoparticle maker extraordinaire for the Center for the Environmental Implications of NanoTechnology, demonstrates one way to make silver nanoparticles–using borohydride reduction. At its heart, the process is a chemical reaction that causes atoms to clump together until an added stabilizer stops them from growing. But all you’ll see is a change in color, because nanoparticles are less than half the size of the smallest bacteria–much too small to see with the human eye.


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