Effect of TiO2 nanofibres on selected bronchoalveolar parameters in acute and subacute phase--experimental study.

Titanium dioxide nanofibres (TiO2) were intratracheally instilled in dose of 4 mg/0.2 mL saline solution per animal (Wistar rats). After 48 hours and 14 days the animals were exsanguinated (under i.