BioMed Research International / 2014 / Article / Fig 5

Research Article

Collagen Scaffolds with Controlled Insulin Release and Controlled Pore Structure for Cartilage Tissue Engineering

Figure 5

SEM photomicrographs of free microbeads and collagen-microbead hybrid scaffold after incubation for 2 and 4 weeks. Yellow arrows represent the degraded insulin loaded PLGA microbeads in porous collagen matrix.
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