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

Figure 3

Scanning electron micrographs of transverse (a–c) and longitudinal (d–f) cross sections of swollen and then freeze-dried BSH (with average pore size 1.92 ± 3.83 μm) at different magnifications. Size distribution of macropores (g) and (h) and of transverse (a) and longitudinal (d) cross sections.

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