Research Article

Graphene Oxide Quantum Dots Promote Osteogenic Differentiation of Stem Cells from Human Exfoliated Deciduous Teeth via the Wnt/β-Catenin Signaling Pathway

Figure 1

Characterization of GOQDs. (a) (A) TEM image of GOQDs. (B) Lateral size distribution of GOQDs from (A). (b) FTIR spectroscopy of GOQDs. (c) UV-visible spectrum of GOQDs. (d) PL spectrum of GOQDs excited at a wavelength of 365 nm.
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