Figure 3
From: Bioactivity of periodontal ligament stem cells on sodium titanate coated with graphene oxide
SEM images of the PDLSCs.
(a–c) PDLSCs cultured on Na-Ti substrates. (d–f) PDLSCs cultured on GO-Ti substrates. (c,f) were the higher magnification of the yellow square of (b,e), respectively.
