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(a) Cell viability of NIH3T3, ECV304 and EA.hy926 cultured on the scaffolds, (b) phase-contrast (column one), DAPI-stained (column two), FDA-stained (column three) and SEM micrographs (column four) of EA.hy926 cultured on the scaffolds and (c) cell proliferation of EA.hy926 cultured on scaffolds up to for 72 h (n = 6, **p < 0.01 versus control).
