Growing use of nanoparticles raises questions for researchers

As the use of nanoscale materials in consumer goods increases – including in food, personal care products and medicine – researchers are exploring the possible health and environmental impacts of exposure to nanoparticles.

More and more products contain titanium, silver or zinc that is nano-sized by being burned or crushed into an extremely fine dust and then used as ingredients in products or as a coating.

Among those leading research on the effects of nanoparticles is Paul Westerhoff, associate dean of research in ASU’s Ira A. Fulton Schools of Engineering, senior sustainability scientist, and a professor in the School of Sustainable Engineering and the Built Environment.

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