Table 1.
Particle Type | Diameter (nm)a | Surface Area (m2/g) | APTES Loading (mmol/g) | Z-Potential (mV) |
---|---|---|---|---|
Bare Silica NPs | 54 ± 9 | 66 ± 3 | - | −25 ± 12 |
APTES - NPs | 50 ± 8 | 42 ± 2 | 0.582 ± 0.009 | 19 ± 4 |
Min-U-Sil® Quartz | 700 | 7.6 ± 0.3 | - | −36 ± 6 |
Determined from analysis of SEM images