Fig. 2From: PLA-lignin nanofibers as antioxidant biomaterials for cartilage regeneration and osteoarthritis treatmentA Free radical inhibition (antioxidant activity) of PLLA and PLLA/LP nanofibers by DPPH assay. B The viability of BMSCs on the antioxidant nanofibers of PLLA/LP with H2O2 exposureBack to article page