Research Article

Modified Chitosan-Clay Nanocomposite as a Drug Delivery System Intercalation and In Vitro Release of Ibuprofen

Figure 1

X-ray diffraction pattern of (a) Na-MMT, CS, mod-CS, mod-CS/MMT (1 : 1), ibuprofen, mod-CS/MMT—ibuprofen on cold. (b) Na-MMT, CS, mod-CS, and mod-CS/MMT (1 : 1), Ibuprofen, mod-CS/MMT—ibuprofen on hot. (c) ibuprofen, CS, and CS/ibuprofen after release at pH = 5.4 and 7.8.
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(a)
576370.fig.001b
(b)
576370.fig.001c
(c)