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

Table 1

Swellability of the carriers in different pH buffer solutions. Swellability wt%.

Code of nanocomposite	Wt at pH = 7.8	Wt at pH = 5.4
Mod-CS/MMT (1 : 1)-ibuprofen on hot	3.05×10^−5	2.31×10^−5
Mod-CS/MMT (1 : 1)-ibuprofen on cold	2.77×10^−5	1.25×10^−5
CS-ibuprofen	50.7×10^−5	83.4×10^−5