Cytotoxicity and genotoxicity properties of particulate matter fraction 2.5 μm Maciej K. Bełcik, Agnieszka Trusz-Zdybek, Ewa Zaczyńska, Anna Czarny and Katarzyna Piekarska E3S Web Conf., 22 (2017) 00014 Published online: 07 November 2017 DOI: 10.1051/e3sconf/20172200014