Table 2 The Hydrodynamic Diameter of SiO2 NPs in different suspensions
Size (nm) | Time (hour) | Utrapure water | DMEM | DMEM + 1% FBS | DMEM + 10% FBS (nm)a |
|---|---|---|---|---|---|
15 | 12 | − 19.4 ± 1.2 | − 12.6 ± 1.2 | − 16.4 ± 0.8 | − 6.8 ± 0.3 |
24 | − 17.4 ± 0.1 | − 13.6 ± 1.7 | − 17.6 ± 1.5 | − 6.7 ± 1.0 | |
50 | 12 | − 15.7 ± 0.2 | − 11.8 ± 1.7 | − 10.0 ± 0.5 | − 6.6 ± 1.1 |
24 | − 13.3 ± 0.7 | − 13.0 ± 1.1 | − 9.2 ± 2.6 | − 6.7 ± 0.8 |