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Table 1 Recovery of inhaled iridium nanoparticles by BAL and association of nanoparticles with BAL macrophages

From: Deposition and biokinetics of inhaled nanoparticles

Time of BAL after aerosol inhalation (h) Particle recovery by BAL (% lung retention) Particles associated with BAL macrophages (% lavaged nanoparticles)
0 46 22
6 19 62
24 11 70
72 10 92
168 9 97