Research Article

Calcium/Cobalt Alginate Beads as Functional Scaffolds for Cartilage Tissue Engineering

Figure 2

Images of Ca/Co alginate beads with encapsulated hADSCs on day 21 in culture. (a) Control sample; (b) Co1.25 sample; (c) Co2.5 sample; (d), Co5 sample; and (e) Co10 sample.