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April 13th, 2004
Nanoparticles seek out solvents in groundwater
Researchers at Carnegie Mellon and Idaho National Engineering and Environmental Laboratory, US, have designed nanoparticles for removing the solvent trichloroethylene from contaminated soil. They used targeted drug delivery as the inspiration for their work. “Very few technologies are capable of locating and destroying dense non-aqueous phase liquids (DNAPLs) trapped in the subsurface,” Greg Lowry of Carnegie Mellon University told nanotechweb.org. “Often contamination is in very small pores in the soil matrix and difficult to access.
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