Volume 87 Issue 35 | p. 26 | Concentrates
Issue Date: August 31, 2009

Titanic Inflammation In A Simulated Immune System

Model system reveals immunogenicity of titanium dioxide nanoparticles used in sunscreen, implants, and cosmetics
Department: Science & Technology
News Channels: Nano SCENE
Keywords: toxicology, risk, nanotechnology, nanoparticles, titania, cosmetics, anatase, rutile, Nanotubes

Titanium dioxide nanomaterials are widely used in sunblock, cosmetics, and on the surfaces of medical implants, but epidemiological studies have associated them with an assortment of health problems. Brian C. Schanen, William T. Self, and their colleagues at the University of Central Florida have built a multicell culture system that is meant to mimic the human immune system and used it to evaluate the immunogenicity of three types of titania nanoparticles (ACS Nano, . . .

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