Nanoparticles Assemble By Millions To Encase Oil Drops, Rice University Study  
5/30/2008 7:10:52 AM

Rice -- In a development that could lead to new technologies for cleaning up oil spills and polluted groundwater, scientists at Rice University have shown how tiny, stick-shaped particles of metal and carbon can trap oil droplets in water by spontaneously assembling into bag-like sacs.