Mesenchymal Stem Cell-Based Tissue Engineering for Chondrogenesis
Figure 2
(a) Diagram of heparinized nanoparticles coated onto PLGA microsphere for stem cell delivery. (b) The SEM images of PLGA microspheres (upper (left) and bottom (right)) fabricated with heparin/poly(l-lysine) nanoparticles [37].
