Effect of Aluminum Incorporation into Mesoporous Aluminosilicate Framework on Drug Release Kinetics

Figure 3

SEM analysis of SBA-15 (a), AlSBA-15 (b), and AlMCM-41 supports (c), AlSBA15 EDX elemental mapping (d), and distribution of Si (e) and Al (f).

(a)

(b)

(c)

(d)

(e)

(f)