Fig. 2From: The role of three-dimensional scaffolds based on polyglycerol sebacate/ polycaprolactone/ gelatin in the presence of Nanohydroxyapatite in promoting chondrogenic differentiation of human adipose-derived mesenchymal stem cellsScanning electron microscopy images of scaffolds fabricated by salt leaching method in the surface, at 5kx magnification. a PGS/PCL b PGS/PCL/Gel c PGS/PCL/Gel/HA 3% d PGS/PCL/Gel/HA 5%. SEM images show porous scaffolds with irregular shapes, and HA nanoparticlesBack to article page