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Table 2 Predicted lung burden and deposition fraction of exposed animals

From: Effects from a 90-day inhalation toxicity study with cerium oxide and barium sulfate nanoparticles in rats

  Predicted lung burden (μg/lung) Deposition fraction (%)
d1a d28a d90a
0.1 mg/m3 CeO2 0.8 9.8 25.9 10.5
0.3 mg/m3 CeO2 2.5 32.2 85.0 11.5
1.0 mg/m3 CeO2 7.8 101.7 268.7 10.9
3.0 mg/m3 CeO2 20.7 286.2 862.0 9.6
50.0 mg/m3 BaSO4 115.2 1590.0 4788.9 3.2
  1. ad1, d28 and d90 account for one, 20 and 65 days exposure respectively