Skip to main content

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)