Table 1.
Particle size, polydispersity, and zeta potential of B7-DEPs, B20-DEPs, and SHB-DEPs in cell culture medium (F12 + FBS and LHC-9)
| Diesel exhaust particles (DEPs) | Cell culture medium | Hydrodynamic diametera (nm) | PDI | Zeta potential (mV) |
|---|---|---|---|---|
| B7-DEPs | F12 + FBS | 78 ± 55 | 0.185 ± 0.02 | −22.4 ± 3.22 |
| LHC-9 | 126 ± 64 | 0.190 ± 0.01 | −21.5 ± 2.31 | |
| B20-DEPs | F12 + FBS | 80 ± 43 | 0.455 ± 0.05 | −20.1 ± 1.98 |
| LHC-9 | 107 ± 49 | 0.470 ± 0.08 | −19.93 ± 3.98 | |
| SHB-DEPs | F12 + FBS | 68 ± 37 | 0.334 ± 0.06 | −23.5 ± 3.03 |
| LHC-9 | 113 ± 48 | 0.383 ± 0.02 | −22.1 ± 2.98 |
aHydrodynamic diameter determined by nanoparticle tracking analysis (NTA)