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FESEM images of cell attachment: (a) CA and (b) CA/Fe mats. (c) Proliferation of hFOB cells grown on the top surface of CA and CA/Fe mats for 1, 3, and 7 days. Results are presented as means ± SD. (d) RT-PCR of the osteogenic related genes electrophoresed in 1.5% agarose gel.
