Additional file 2: Figure S5. of A comparative study of chondroitin sulfate and heparan sulfate for directing three-dimensional chondrogenesis of mesenchymal stem cells
1H-NMR spectrum confirming successful methacrylation of CS with higher (A) and lower (B) degrees of methacrylation, and HS (C). Methacrylate groups are present as peaks at 5.5–6.0 ppm. (JPG 262 kb