Figure 4From: Curcumin potentiates antitumor activity of 5-fluorouracil in a 3D alginate tumor microenvironment of colorectal cancerThe emigration behavior of HCT116 and HCT116R cells in alginate 3D culture. Toluidine blue staining (A) and quantitative evaluation of the spheroid number (B) emigrated through alginate beads during the culture period from day 1–36.Back to article page