Volume 91 Issue 34 | p. 25 | Concentrates
Issue Date: August 26, 2013

Squeezable Gel Delivers Clean Drinking Water

A spongy material uses silver nanoparticles to kill disease-causing bacteria
Department: Science & Technology
News Channels: Nano SCENE, Environmental SCENE, Materials SCENE
Keywords: clean water, disinfection, water treatment, waterborne disease, silver nanoparticles, porous gel

A cheap, lightweight material could one day help survivors of natural disasters get clean water fast. A porous gel embedded with silver nanoparticles absorbs contaminated water, kills bacteria in seconds, and releases drinkable water with a squeeze (Environ. Sci. Technol. 2013, DOI: 10.1021/es401219s). Xiao (Matthew) Hu, a materials scientist at Nanyang Technological University, in Singapore, and his . . .

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