Collagen Scaffolds with Controlled Insulin Release and Controlled Pore Structure for Cartilage Tissue Engineering
Figure 2
SEM photomicrographs of control collagen scaffolds (a), (c) and collagen-microbead hybrid porous scaffolds (b), (d) at low (a), (b) and high (c), (d) magnifications. Yellow arrows represent the integrated insulin loaded PLGA microbeads in porous collagen matrix.
