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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Biomaterials. 2018 Mar 26;168:24–37. doi: 10.1016/j.biomaterials.2018.03.044

Fig. 2.

Fig. 2

The microstructure and safety of HP-hydrogel with/without GFs. A. SEM image of the morphology HP and GFs-HP hydrogel. Scale bar=100μm; B. The survival rate of RSC96cells treated with HP with/without GFs using PI/annexin V-FITC staining and statistical results of early apoptosis rate. Results show that there is no appreciable change in apoptotic rate of SCs with GFs-HP hydrogel. n.s, nonsignifcant; C. The stability of the bFGF and NGF in the hydrogel at different times was evaluated by CCK-8 assay. All data represent mean values±SEM, n=3 for each group.