A 3D Porous Gelatin-Alginate-Based-IPN Acts as an Efficient Promoter of Chondrogenesis from Human Adipose-Derived Stem Cells

Figure 1

SEM micrographs showing the porosity of the unseeded scaffolds as visible through cross sections: (a) G-A-PAA, (b) G-A, (c) PAA, and (d) surface of PAA negative control.

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