Titanium dioxide (TiO<sub>2</sub>) nanoparticle manufacture is around 50,000 tons annually, and is a crucial ingredient in cosmetics, paints, and photocatalytic technology. Unfortunately, a large percentage of this nanomaterial makes it way to wastewater streams with unexplored consequences to environment and health. The purpose of this research is to resolve to what extent this engineered nanomaterial impacts aquatic toxicity tests, and in particular aquatic exposures used to assess hormone balance in zebrafish models.  These results are relevant to establishing guidelines to define conditions that are critical to evaluate the effect of nano-TiO<sub>2</sub>.

Characterizing titanium dioxide in aquatic exposures

254th National Meeting (2017)

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