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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