Table 1 Size distribution of wood dust particles
From: ROS-mediated TNF-α and MIP-2 gene expression in alveolar macrophages exposed to pine dust
Pine | Heat-treated Pine | |
|---|---|---|
Number of particles counted | 1796 | 1928 |
< 1 μm (%) | 66.9 | 65.6 |
1–5 μm (%) | 29.6 | 30.0 |
5–10 μm (%) | 3.1 | 3.3 |
10–20 μm (%) | 0.4 | 0.8 |
20–50 μm (%) | 0.1 | 0.1 |
> 50 μm (%) | 0 | 0.1 |