Table 1.
Physical properties of nano and fine TiO2 particles
| Description | Nano particles Titanium Oxide P25 | Fine particles Titanium[IV] oxide |
|---|---|---|
| Purity | 99% | 99.9% |
| Primary particle diameter | 21 nm | <5 μm |
| Specific surface area (m2/g) | 50 ± 15 | 2–3 |
| Particle form (crystal phase) | 80/20 anatase/rutile | rutile |
| Average size in PBS (μm) | 2.6 ± 0.3 (2.3–3.16) | 1.0 ± 2.4(0.8–6.2) |
| Average size in medium (μm) | 0.7 ± 0.1 (0.4–0.9) | 1.2 ± 0.1 (0.9–1.5) |
| Suspension in medium | 100% | 100% |
Physical properties provided by nanomaterial manufacturers.
Specific surface area measured with the Brunauer-Emmett-Teller (BET) method.
Particles suspended in PBS or cell culture medium by sonication.
Agglomerate structure diameter measured by dynamic light scattering (DLS).