Research Article

Intercalation of Aceclofenac/Sulfobutyl Ether-β-cyclodextrin Complex into Layered Double Hydroxides through Swelling/Restoration Reaction and Its Controlled-Release Properties

Figure 4

Scanning electron micrographs at low (a) and high (b) magnifications and transmission electron microscope image (c) for AC/SBE-β-CD-LDHs.
(a)
(b)
(c)