Figure 2.
Fluorescence images of MC3T3-E1 cells on 3D rGO/PPY (A, D), 3D rGO/PPY/CPP10 (B, E), and 3D rGO/PPY/CPP20 (C, F) at Day 2 (A-C), and Day 4 (D-F) of culture, respectively.
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