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Figure 1: Schematics of the principle of rolled vessel fabrication (A): A cell sheet (continuous monolayer) formed on a thermoresponsive matrix of gelatin partially grafted with poly (N-isopropylacrylamide), PNIPAM-gelatin (B), was rolled on a gelatin-coated roller. Tissue was detached from the gelatin-coated metallic roller at temperatures below 30°C (C). LCST is Lower Critical Solution Temperature. |