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Nanotechnology

Water treatment in developing countries could be harmful

water treatment

Scientists are warning that a water treatment widely used in developing countries could be damaging the DNA of those drinking it. Despite poor evidence of their effectiveness as a water disinfectant, colloidal silver and silver nanoparticles are increasingly being promoted for treating potentially contaminated drinking water in low income countries. …

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Elastic aerogels that can remember their original shapes

Polymeric aerogels are nanoporous structures that combine some of the most desirable characteristics of materials, such as flexibility and mechanical strength. It is nearly impossible to improve on a substance considered the final frontier in lightweight materials. But chemists from Missouri University of Science and Technology have done just that …

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Inhaled nanoparticles can travel from the lungs into the bloodstream

Scientists have found evidence in human and animal studies that inhaled nanoparticles can travel from the lungs into the bloodstream, potentially explaining the link between air pollution and cardiovascular disease. Their results appear in the journal ACS Nano. Tiny particles in air pollution have been associated with cardiovascular disease, which …

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