Table 3.

Brief overview on in-vitro toxicological studies of MNPs.

Types of MNPs	Size	Type of cell used	Dose	Assay used	Results	References
Uncoated MNPs	150  nm	hMSCs	50–250  μg/L	Comet assay	Cell viability was not affected at any concentration.	(Omidkhoda et al., 2007)
Dextran-coated IONPs	150  nm	ESCs	50  μg/L	Trypan Blue	Cell viability was not affected at any concentration	(Castaneda et al., 2011)