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Table 1 Aerosol characteristics for main iridium-192 study

From: Slow lung clearance and limited translocation of four sizes of inhaled iridium nanoparticles

Nominal particle diameter (nm) CMD (nm) GSD Particle number concentration (x 1013 #/m3) Activity concentration (kBq/m3) Mass concentration (mg/m3)
10 9.8 ± 0.1 1.37 ± 0.01 2.85 ± 0.10 490 ± 90 0.17 ± 0.03
15 15.6 ± 0.3 1.67 ± 0.01 9.09 ± 0.14 2380 ± 250 1.39 ± 0.15
35 33.4 ± 2.1 1.69 ± 0.02 5.63 ± 0.13 590 ± 140 4.28 ± 0.84
75 76.3 ± 1.9 1.62 ± 0.01 1.10 ± 0.03 600 ± 100 6.92 ± 1.38
  1. Aerosol particle size distribution expressed as count median diameter (CMD) and geometric standard deviation (GSD). Values presented as mean ± standard deviation. Concentrations for the 10 nm aerosol have been corrected for system losses (see Methods for details)