183871.fig.002a
(a)
183871.fig.002b
(b)
Figure 2: Inhibitory rates against HepG2 cells of CS-NPs without solidification and those solidified by 100, 200, and 300 μL GA, after being incubated with the cells for (a) 48 h and (b) 72 h. The data represent mean SD ( ). * , ** , compared to unsolidified CS-NPs.