Toxicity and bioaccumulation of TiO2 nanoparticle aggregates in Daphnia magna Zhu, Xiaoshan ; Chang, Yung ; Chen, Yongsheng Abstract Publication: Chemosphere Pub Date: January 2010 DOI: 10.1016/j.chemosphere.2009.11.013 Bibcode: 2010Chmsp..78..209Z