Figure 4. Possible relationship between particle size and toxicity

Source: SCENIHR  The appropriateness of existing methodologies to assess the potential risks associated with engineered and adventitious products of nanotechnologies (2006),
3.10.2 General Exposure Considerations, p. 43

Nanotechnologies

Figure 1. Non-monotonic relationships of particle deposition as function of diameter in a healthy adult (Price et al, 2002)

Figure 2. Diagram of known and suspended mechanical clearance pathways for insoluble particles depositing in the pulmonary region (McCellan et al 1998)

Figure 3. Fate of nanoparticles in the environment

Figure 4. Possible relationship between particle size and toxicity

Figure 5. Toxicokinetics of nanoparticles

Figure 6. Exposure assessment algorithm

Figure 7. Algorithm of toxicodynamics of nanoparticles

Figure 8. Hazard identification

Table1. Particle Number and Particle Surface Area per 10 µgm-3 Airborne Particles. (Oberdörster G et al., 2005)

Table 2. The potential risks following occupational exposure to nanoparticles (HSE 2004)

Table 3. Comparison of nanoparticles in workplace air (Möhlmann, 2004)