Table 1.

Quantification of intercellular iron with different SPIONs concentrations

SPIONs concentration (μg/mL)	0.5	1	2	4	8
Quantification of intercellular iron (pg/cell)	0.28±0.03	0.49±0.05	1.21±0.08	1.94±0.13	2.12±0.19

SPIONs: superparamagnetic iron oxide nanoparticles.