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(a) Growth factors binding with polysaccharides for cell proliferation; (b) A schematic of encapsulation of rat BMSCs in the alginate hydrogel, along with BMP-2/Dex-loaded microcapsules; Then the surface morphology of alginate scaffolds was presented using SEM and a microcapsule was exposed on the surface of the alginate construct (Choi et al., 2010).
