238351.fig.004a
(a)
238351.fig.004b
(b)
Figure 4: The transepithelial electrical resistance (TEER) assay showed recovery of human corneal epithelial (HCE) cell layer barrier after coculturing with gelatin nanoparticles (GPs), but not in chitosan nanoparticles (CNP). standard error of mean (SEM), . (b) Western blot analysis of zonula occluden-1 (ZO-1) expression in HCE cells after treatment with different nanoparticles.