Fig. 3From: An efficient method for cell sheet bioengineering from rBMSCs on thermo-responsive PCL-PEG-PCL copolymer(A) rBMSCs as spindle-shaped cells in passage 3. (B) Lipid droplets as red color (oil red staining). (C) Extracellular calcium deposits as orange color (Alizarin red staining)Back to article page