Effective density of inhaled environmental and engineered nanoparticles and its impact on the lung deposition and dosimetry

Table 2 Total mass of deposited aircraft, diesel BC, wood smoke, silica and zirconia NPs in the human and mouse respiratory tracts derived by MPPD using ρ_b or ρ_eff. The total inhaled dose is 180 and 1.2 µg for human and mouse, respectively

Total mass of deposited NPs, μg	Aircraft BC		Diesel BC		Wood smoke		Silica		Zirconia
Total mass of deposited NPs, μg	Human	Mouse	Human	Mouse	Human	Mouse	Human	Mouse	Human	Mouse
MPPD using ρ_b	81.1	0.65	57.3	0.50	58.7	0.51	98.2	0.74	101.2	0.78
MPPD using ρ_eff	48.4	0.40	31.0	0.31	33.1	0.33	52.1	0.42	54.7	0.46

ISSN: 1743-8977