Volume 94 Issue 36 | p. 8 | News of The Week
Issue Date: September 12, 2016

Air-pollution-derived magnetic nanoparticles found in human brains

Magnetite particles, which can be inhaled, may play a role in Alzheimer’s
By Ryan Cross
Department: Science & Technology
News Channels: Biological SCENE, Nano SCENE
Keywords: neuroscience, Alzheimer’s disease, magnetite, airborne pollutant

Magnetite, a magnetic iron oxide mineral, is showing up in a place it doesn’t belong: the brain.

Researchers at the University of Lancaster found unexpectedly high levels of magnetite nanoparticles in human brain tissue they were examining with electron microscopy (Proc. Natl. Acad. Sci. USA 2016, DOI: 10.1073/pnas.1605941113). Barbara A. Maher, one of the team leaders, says that’s concerning because magnetite could . . .

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