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(A) Schematic of hydrogel-based endothelialized aortic valve model (HEAVM) co-culture construction. (B) HEAVM scaffold on base gel. (C) Fluorescently tagged RKR+AF532 (red) on the surface of RKR conjugated scaffold (left only). PEG-RGDS+AF488 (green) present throughout the hydrogel. Scale bars = 100 μm
