Table 2.
Primary Size (nm) | Hydrodynamic Size (nm) | Zeta Potential (mV) | |||||
---|---|---|---|---|---|---|---|
| |||||||
Water | PBS&0.6 mg/mL BSA&0.01 mg/mL DPPC | RPMI 1640&10% Serum | Water | PBS&0.6 mg/mL BSA&0.01 mg/mL DPPC | RPMI 1640&10% Serum | ||
Fumed Silica | 16±2 | 258.2±31.3 | 211.4±8.6 | 175.3±12.3 | −38.0±5.9 | −9.5±4.5 | −6.8±2.7 |
FS-1% Ti | 16±2 | 265.2±11.2 | 266.5±7.8# | 136.0±17.3$ | −30.9±2.1 | −9.1±7.9 | −9.1±2.6 |
FS-3% Ti | 16±2 | 182.2±4.2* | 183.3±15.9 | 189.8±10.1 | −32.0±3.2 | −8.7±5.3 | −13.9±8.8 |
FS-5% Ti | 16±1 | 300.0±43.5 | 334.3±29.9# | 163.2±6.2 | −34.7±7.1 | −11.6±3.3 | −8.6±4.6 |
FS-7% Ti | 16±1 | 247.4±16.7 | 140.1±29.8# | 65.2±16.4$ | −34.2±1.1 | −15.7±2.4 | −10.4±6.6 |
FS-1% Al | 16±1 | 273.2±15.1 | 229.4±8.3 | 117.3±3.7$ | −32.3±4.9 | −11.6±7.0 | −10.0±3.2 |
FS-3% Al | 16±1 | 255.7±7.0 | 293.5±54.6 | 191.4±6.9 | −35.6±2.8 | −9.5±5.0 | −11.7±5.8 |
FS-5% Al | 16±2 | 328.3±26.0* | 252.4±11.6# | 189.6±10.1 | −27.1±4.7 | −11.7±6.5 | −6.2±4.6 |
FS-7% Al | 16±1 | 161.0±1.3* | 149.5±7.6# | 157.8±1.0 | −36.9±2.7 | −13.2±20.3 | −10.7±2.1 |
p<0.05 compared to size of non-doped fumed silica in water;
p<0.05 compared to size of non-doped fumed silica in PBS&0.6 mg/mL BSA&0.01 mg/mL DPPC;
p<0.05 compared to size of non-doped fumed silica in RPMI 1640 &10% Serum.