Fig. 4From: Effective density of inhaled environmental and engineered nanoparticles and its impact on the lung deposition and dosimetryMass of deposited NPs in the head, TB, P and total region of the mouse respiratory tract derived by MPPD for a 40-h exposure to a aircraft, b diesel BC, c wood smoke, d silica or e zirconia NPs using ρb (open bars) or the measured ρeff (filled bars). The total inhaled dose is 1.2 µgBack to article page