Fig. 6From: Enhanced osteogenic differentiation of alendronate-conjugated nanodiamonds for potential osteoporosis treatmentFlow cytometry analysis of MC3T3-E1 cells treated with (A) only DMEM (control), (B) NDs, and (C) Alen-NDs (100 μg/mL) at 7 days. Each group was treated with CD44, CD51 (positive control), and CD45 (negative control)Back to article page