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. Author manuscript; available in PMC: 2020 Sep 7.
Published in final edited form as: ACS Appl Mater Interfaces. 2015 Nov 11;7(46):25784–25792. doi: 10.1021/acsami.5b07628

Figure 7.

Figure 7.

SEM images of the cross-linked HSS3 hydrogel after 7 days of mineralization. (A) Fractured framework of the hydrogel. Insert: a hydrogel strut that displayed mineralized top and unmineralized bottom. (B) Complex interwoven network of struts and microspheres with granular surfaces. (C and D) Higher-magnification SEM images of the fractured surface of the hydrogel framework from areas 1 and 2 marked in B, which are indicative of the full integration between the minerals and the HSS3 matrices.