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

Figure 3

Fractional VOAsc drug release from the Col-V membranes in vitro. : 10 μg/mL per cm² VOAsc; : 20 μg/mL per cm² VOAsc; and : 40 μg/mL per cm² VOAsc. Release was measured up to 24 h. Insert: plot of versus at initial times. Data are presented as mean ().