Research Article

Polysaccharide-Based Superporous, Superabsorbent, and Stimuli Responsive Hydrogel from Sweet Basil: A Novel Material for Sustained Drug Release

Figure 2

Equilibrium swelling capacity (after 24 h) of BSH in different molar solutions of NaCl and KCl (a). Swelling-deswelling (on-off switching) of BSH in deionized water and normal saline (b), basic (pH 7.4) and acidic (pH 1.2) media (c), and deionized water and ethanol (d).
(a)
(b)
(c)
(d)