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. Author manuscript; available in PMC: 2019 Sep 1.

Published in final edited form as: Bioprinting. 2019 Apr 23;15:e00050. doi: 10.1016/j.bprint.2019.e00050

Fig. 7. — Control spheroids. ■ Osteogenic spheroids. (a) ALP activity normalized to DNA over time for gravity induced spheroids. (b) ALP normalized to DNA over time for spheroids formed under centrifugation at 300G. Four spheroids were collected per replicate (n = 3). * represents p values less than 0.05 when compared to control at the same time point.

Inline graphic — Control spheroids. ■ Osteogenic spheroids. (a) ALP activity normalized to DNA over time for gravity induced spheroids. (b) ALP normalized to DNA over time for spheroids formed under centrifugation at 300G. Four spheroids were collected per replicate (n = 3). * represents p values less than 0.05 when compared to control at the same time point.