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Old materials, new challenges?

Nature Nanotechnology volume 9, pages 658659 (2014) | Download Citation

Fumed silica has been used as an anti-caking agent in foods for several decades. Does new research suggest that the use of this engineered nanomaterial needs to be re-examined, asks Andrew D. Maynard.

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Author information


  1. Andrew D. Maynard is at the Risk Science Center, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, Michigan 48109, USA

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Correspondence to Andrew D. Maynard.

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