Micro- and Macrostructured PLGA/Gelatin Scaffolds Promote Early Cardiogenic Commitment of Human Mesenchymal Stem Cells In Vitro

Figure 6

(a) SEM images of the surface of bilayer PLGA/gel 70/30, from left to right, before degradation, after 7,15 and 30 days of incubation in DMEM; (b) SEM images of a bilayer PLGA/gel 70/30 from left to right in surface and section after 7 days, in surface after 15 and 30 days in PBS; (c) SEM images of a bilayer PLGA/gel 70/30 from left to right in surface and section after 7 days, in surface after 15 and 30 days in MilliQ water.

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