The disc-like synthetic nanoscavengers collected magnetically.
A new nanoparticle developed by Stanford engineers offers promising advancement in the way water is purified. The synthetic nanoscavenger can be quickly removed by magnet from the water. Similar existing technologies leave too many nanoscavengers behind for the water to be considered safe for human use. Among its many talents, silver is an antibiotic. Titanium dioxide is known to glom on to certain heavy metals and pollutants. Other materials do the same for salt. In recent years, environmental engineers have sought to disinfect, depollute and desalinate contaminated water using nanoscale particles of these active materials.
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