Table 2.

Cytotoxicity assay of the prepared magnetic scaffolds as a function of time (day 1–day 7). Tests included micro- and nano-meter sized Fe₃O₄ at different ratios to PCL.

Days		1	2	3	4	5	6	7
Fe3O4 free		0.98 ± 0.04	0.97 ± 0.02	0.98 ± 0.01	0.88 ± 0.09	1.10 ± 0.04	1.09 ± 0.05	1.04 ± 0.02
µm Fe3O4 Scaffold	5%	0.92 ± 0.03	0.95 ± 0.05	0.90 ± 0.04	0.82 ± 0.05	0.94 ± 0.05	0.99 ± 0.10	0.94 ± 0.05
	10%	0.94 ± 0.04	0.94 ± 0.03	0.95 ± 0.02	0.88 ± 0.03	1.01 ± 0.02	0.97 ± 0.04	0.95 ± 0.04
	20%	1.03 ± 0.04	0.98 ± 0.05	0.90 ± 0.05	0.81 ± 0.04	0.99 ± 0.05	0.97 ± 0.05	0.95 ± 0.05
	40%	0.97 ± 0.05	0.90 ± 0.04	0.89 ± 0.05	0.80 ± 0.08	0.94 ± 0.04	0.94 ± 0.06	0.95 ± 0.05
nm Fe3O4 Scaffold	5%	1.01 ± 0.07	0.96 ± 0.05	0.94 ± 0.05	0.81 ± 0.05	1.05 ± 0.04	1.08 ± 0.04	1.02 ± 0.02
	10%	0.99 ± 0.05	0.97 ± 0.06	0.90 ± 0.06	0.79 ± 0.06	0.97 ± 0.05	0.98 ± 0.05	1.02 ± 0.05
	20%	0.92 ± 0.03	0.88 ± 0.05	0.87 ± 0.05	0.79 ± 0.05	0.96 ± 0.08	0.97 ± 0.04	1.00 ± 0.03
	40%	0.92 ± 0.05	0.89 ± 0.01	0.85 ± 0.03	0.81 ± 0.03	0.95 ± 0.05	0.97 ± 0.05	0.95 ± 0.06