10.6084/m9.figshare.5722000.v1 Tianyi Wang Tianyi Wang Fan Yang Fan Yang Additional file 2: Figure S5. of A comparative study of chondroitin sulfate and heparan sulfate for directing three-dimensional chondrogenesis of mesenchymal stem cells Springer Nature 2017 Methacrylate groups Additional HS heparan sulfate chondroitin sulfate mesenchymal chondrogenesi cells 1 H-NMR spectrum CS ppm Figure methacrylation 5. JPG 262  kb 2017-12-19 05:00:00 Figure https://springernature.figshare.com/articles/figure/Additional_file_2_Figure_S5_of_A_comparative_study_of_chondroitin_sulfate_and_heparan_sulfate_for_directing_three-dimensional_chondrogenesis_of_mesenchymal_stem_cells/5722000 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)