Figure 8.

Proliferation and differentiation of hFOB cultured on SF/CS nanofibers with different CS contents (n = 5). (A) Relative cell number determined by MTS assays with cell number at day 0 taken as one for each group, (B) alkaline phosphatase [ALP] activities, (C) absolute cell number determined by MTS assays, and (D) ALP activities normalized to cell number. *p < 0.05.

Chen et al. Nanoscale Research Letters 2012 7:170   doi:10.1186/1556-276X-7-170
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