Supplemental file 3 from Induction of zonal specific cellular morphology and matrix synthesis for biomimetic cartilage regeneration using hybrid scaffolds

Figure SIII: Immunostaining images of freshly dissected bovine cartilage (cross-section, positive control). (A) Collagen type I, (B) Collagen type II, (C) aggrecan, (D) GAG. Blue: nuclei; green: aggrecan; red: collagen type II or collagen type I; purple: Toluidine blue (GAG). Scale bar is 100 μm.