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Table 2 Initial lung burdens of TiO 2

From: Equivalent titanium dioxide nanoparticle deposition by intratracheal instillation and whole body inhalation: the effect of dose rate on acute respiratory tract inflammation

Exposure type

Whole body inhalation

Intratracheal instillation

Single low dose (μg)

44.56 ± 2.85

39.24 ± 1.04

Single high dose (μg)

170.25 ± 9.15

163.58 ± 3.84

Repeated high dose (μg)

197.89 ± 8.89

179.61 ± 17.14

  1. Values are group means (n = 3–5) of NP mass doses (μg) ± standard deviation (SD) immediately following instillation and 4 hr inhalation exposures.
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Particle and Fibre Toxicology

ISSN: 1743-8977

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