Table I.
Physical characteristics of nanoparticles (n = 3)
| Sample | BET surface area (m2/g) | Pore volume (cm3/g) | Pore diameter (nm)a | Size (nm) | PDI | Zeta-potential (mV)b |
|---|---|---|---|---|---|---|
| MSNs | 506 | 1.01 | 10 ± 1 | 146.3 ± 0.3 | 0.154 ± 0.035 | −27.8 ± 0.4 |
| AEP-MSNs | 318 | 0.71 | 9 ± 1 | 213.7 ± 0.8 | 0.170 ± 0.062 | 10.9 ± 0.5 |
| AEP-MSN-OVA | - | - | - | 1842 ± 126 | 0.373 ± 0.056 | −8.1 ± 1.3 |
| LB-MSN-OVA | - | - | - | 190.7 ± 2.7 | 0.125 ± 0.029 | −24.0 ± 0.7 |
aCalculated from desorption branch of the N2 sorption isotherms based on the BJH method
bZeta-potential was measured in 1 mM PB at pH 7.4