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HCE cell spreading behavior. Phase contrast images of HCE cells after 4 h on cross-linked spin-coated aECM films prepared from 0% RGD (A) or 100% RGD (B), adsorbed bovine serum albumin (BSA) (C) and adsorbed fibronectin (FN) (D). Scale bar, 100 μm. (E) Percent well-spread cells after 4 h on spin-coated aECM films with varying RGD densities. Error bars represent SEM.
