Stimuli-Responsive Graphene Nanohybrids for Biomedical Applications

Figure 6

Stimuli-responsive release behavior of DOX from the GO-HSH hydrogel. (a) pH 5.5, pH 7.4, and pH 10 medium at 37°C; (b) varied concentrations of GO nanosheets at 37°C and (c) at 25 and 37°C; (d) DOX release curves of the GO-HSH and GO–PNIPAM hydrogels at 37°C [81].

(a)

(b)

(c)

(d)