Differences in cytotoxicity of lung epithelial cells exposed to titanium dioxide nanofibers and nanoparticles: Comparison of air-liquid interface and submerged cell cultures

Estefany I. Medina‐Reyes, Norma L. Delgado‐Buenrostro, Daan L. A. C. Leseman, Alejandro Déciga‐Alcaraz, Ruiwen He, Eric R. Gremmer, Paul Fokkens, José O. Flores–Flores, Flemming R. Cassee, Yolanda I. Chirino