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Physical characteristics of used silica aerogels and amount of drug loading on them (data are expressed as mean ± SD, n = 3.)
| Sample |
Final aerogel density
(g/cm 3 ) |
BET surface area
(m 2 /g) |
BET average pore size (nm) | Loading efficiency (%) |
|---|---|---|---|---|
| 1 | 0.033 | 568.90±26 | 24.44±1.3 | 15.6±1.5 |
| 2 | 0.080 | 856.61±38 | 16.96±1.2 | 22.8±0.9 |
| 3 | 0.240 | 895.40±35 | 9.53±0.8 | 23.5±1.1 |
