From: Equivalent titanium dioxide nanoparticle deposition by intratracheal instillation and whole body inhalation: the effect of dose rate on acute respiratory tract inflammation
Exposure type
Whole body inhalation
Intratracheal instillation
Single low dose (μg)
44.56 ± 2.85
39.24 ± 1.04
Single high dose (μg)
170.25 ± 9.15
163.58 ± 3.84
Repeated high dose (μg)
197.89 ± 8.89
179.61 ± 17.14