Table 1. Structural Parameters of As-Prepared Mesoporous Silicas and Mesoporous Silicas After Immersion in a 0.1 M Phosphate Buffer Solution (PBS, pH 7.0).
| conditions | DBJHa/nm | ABETb/m2 g–1 | Vpc/cm3 g–1 | d100d/nm | Vmesoe/cm3 g–1 | |
|---|---|---|---|---|---|---|
| SBA79 | as-prepared | 7.9 | 763 | 1.05 | 102 | 0.60 |
| SBA53 | as-prepared | 5.3 | 651 | 0.64 | 87 | 0.40 |
| SBA39 | as-prepared | 3.9 | 920 | 1.05 | 57 | 0.99 |
| SBA79 | PBS | 7.9 | 581 | 0.87 | 102 | 0.47 |
| SBA53 | PBS | 5.4 | 420 | 0.56 | 86 | 0.38 |
| SBA39 | PBS | 3.4 | 679 | 0.64 | 56 | 0.60 |
BJH pore diameter.
Brunauer–Emmett–Teller (BET) surface area.
Single-point adsorption total pore volume of pores at around p/p0 = 0.97.
d100 spacing determined by SAXS.
Mesopore volume calculated by t-plot analysis.