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SEM images of BMSCs on PCL/gelatin nanofiber scaffolds containing DEXP-BSA-loaded chitosan nanoparticles at day 7 at different magnifications (a, b) and MTT viability assay of BMSCs cultured on PCL/gelatin nanofiber scaffolds with and without DEXP- BSA-loaded chitosan nanoparticles and TCP (control) at day 1, 3, 5 and 7 (c), (*p ≤ 0.05)
