Gold Nanoparticles Promote Proliferation of Human Periodontal Ligament Stem Cells and Have Limited Effects on Cells Differentiation

Figure 4

ALP staining data of hPDLSCs treated with 60 nm AuNPs (56 μM) for 10 days. ALP staining results show that experiment (c) and control group (b) were dark blue, while the blank group was light blue (a).

(a)

(b)

(c)