Research Article

Biological Influence of Nonswelling Microgels on Cartilage Induction of Mouse Adipose-Derived Stem Cells

Figure 3

The proliferation of ADSCs in the microgels. Data represented mean ± SD; Asterisks indicate statistical significance compared to PEI groups at each point-in-time (; ∗∗). The error bars indicate the standard deviations of three independent assays ().