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hBM-MSCs morphology on PLA films. F-actin fibers staining of hBM-MSCs cultured on (a) CTR and PLA, (b) PLA binary (P_2L, P_05Z, P_05Z@L) and (c) PLA ternary (P_2L_05Z, P2L_05Z@L, P05Z_05Z@L) and quaternary (P_2L_05Z_05Z@L) films. F-Actin (Alexa-fluor-488 Phalloidin, green), Nuclei (4′,6-diamidino-2-phenylindole, DAPI, blue), Scale bar = 100 m. (d) Aspect ratio and nuclear shape index measures at 7 days in culture.
