Fig. 2From: Regenerated silk fibroin based on small aperture scaffolds and marginal sealing hydrogel for osteochondral defect repairScreening ingredients at different HA/COL/β-TCP concentrations for n-butanol-inspired small aperture scaffolds in vitro: a–d type II collagen immunofluorescence staining of chondrocytes on RSF/HA and RSF/Collagen I materials after seven days of cultureBack to article page