Research Article

Novel Vanadium-Loaded Ordered Collagen Scaffold Promotes Osteochondral Differentiation of Bone Marrow Progenitor Cells

Figure 1

Characterization of Col and Col-V scaffolds. FTIR spectra of Col, Col-V (20 μg/mL per cm2 VOAsc) membrane, and the VOAsc complex (a). SEM images of Col and Col-V surfaces ((b) and (c), resp.) showed an ordered matrix with a grooved structure. Transversal section of Col and Col-V films ((d) and (e), resp.).
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