| Size range |
Consequences |
References |
| ≥2 μm |
Trapped inside liver cells |
118,116 |
| ≥200nm |
Filtered in spleen |
121 |
| ≤ 100nm |
Leave blood vessels through endothelial linings |
116,122 |
| ≥300-400nm |
Captured by macrophages and excreted out. |
116,119 |
| ≥ 3µm (for pulmonary administration) |
Accumulate in upper airways, smaller exhaled out |
120 |
|