Table 1 Aerosol data for AuNPs, AgNPs, and AuNP+AgNP co-exposure

From: Lung retention and particokinetics of silver and gold nanoparticles in rats following subacute inhalation co-exposure

   AuNPs AgNPs AuNP+AgNP co-exposure
DMASa Total particle concentration(#/cm3) 1.38 × 106 ± 1.32 × 105 1.44 × 106 ± 1.003 × 105 1.10 × 106 ± 1.110 × 105
CMD (nm) 10.82 ± 0.24 10.86 ± 0.20 10.91 ± 0.22
GSD 1.28 ± 0.01 1.27 ± 0.01 1.28 ± 0.01
Particle mass concentration (μg/m3) 17.68 ± 1.69 10.12 ± 0.71
Surface area (nm2/cm3) 5.79 × 108 ± 7.60 × 107 6.06 × 108 ± 5.591 × 107 5.32 × 108 ± 5.120 × 107
Volume (nm3/cm3) 1.28 × 109 ± 2.01 × 108 1.34 × 109 ± 1.358 × 108 1.18 × 109 ± 1.21 × 108
FE-TEMb CMD (GSD) 10.40 (1.36) 9.48 (1.49) 9.00 (1.19)
AASc Particle mass concentration (μg/m3) 19.34 ± 2.55 17.38 ± 1.88 AuNPs: 8.20 ± 1.05
AgNPs: 8.99 ± 1.77
  1. (Mean ± S.D), a) DMAS Differential Mobility Analyzing System conducted measurements during 28 days of exposure period; b) CMD and GSD were analyzed based on counts of 200 particles using FE-TEM; c) AAS Atomic Absorption Spectrometer; n = 40 (2 cases each day for a total of 20 days)