Silver nanoparticles could upset gut bacteria

Silver nanoparticles that leak from water filters could alter the community of bacteria in the human gut, according to a new study. Silver nanoparticles are meant to kill harmful bacteria in portable water filters, but if they leak into drinking water they could also kill beneficial bacteria in our digestive systems. A simulated gut bacterial […]

⚑ Glowing mice track nanoparticle exposure

Researchers have come up with a quick, non-invasive way to measure nanoparticle exposure: examine the skin. Previous work with gold nanoparticles and quantum dots made of various metals has shown that these nanoparticles accumulate primarily in the liver or the spleen, but they show up in the skin too; in high enough doses, they can […]

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