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. 2016 Sep 6;6:32876. doi: 10.1038/srep32876

Figure 6. Improved total protein content on 3D printed bioactive scaffolds with LIPUS treatment after three-week MSC osteogenic differentiation.

Figure 6

Data are mean ± standard error of the mean, n = 6. *p < 0.05 when compared to all other groups at respective weeks. Week 1: ###p < 0.05 when compared to PEGDA, PEGDA-RGDS and PEGDA-nHA; &&&p < 0.05 when compared to PEGDA and PEGDA-nHA; and ^^^p < 0.05 when compared to the PEGDA group. Week 2: ##p < 0.05 when compared to all other groups and ^^p < 0.01 when compared to PEGDA. Week 3: &p < 0.05 when compared to all other groups; #p < 0.05 when compared to all other groups except PEGDA (LIPUS); ^p < 0.05 when compared to all other scaffolds except PEGDA-RGDS and PEGDA-RGDS-nHA; %p < 0.05 when compared to PEGDA and PEGDA-nHA; @p < 0.05 when compared PEGDA control.