Research Article

Infuence of Microstructure in Drug Release Behavior of Silica Nanocapsules

Table 2

Textural properties of SBA materials synthesized at different pH, unloaded and IBU loaded.

MaterialLoading conditionBET area
(m2/g)
Micropore volume
(cm3/g)
Mesop. volume
(BJH-cm3/g)
Pore diameter (Å)Particle size ( m)

SBA-15 (pH = 0)Unloaded12880.122.9278 80
IBU loaded6780.101.3578

SBA-15 (pH = 4.5)Unloaded7420.090.8038–55 25
IBU loaded5490.030.6833–54