Fig. 9From: Slow lung clearance and limited translocation of four sizes of inhaled iridium nanoparticlesSchematic of exposure system (note that aging chamber was used for 75 nm aerosols only, for non-radioactive iridium aerosols the SMPS and NAS sampled directly from a chamber port, and TEOMTM malfunctioned for 15 nm aerosol)Back to article page