Toxicity of Superparamagnetic Iron Oxide Nanoparticles on Green Alga Chlorella vulgaris

Table 1

Change in the relative cell division rate (RCDR) when C. vulgaris was exposed to SPION during 72 h.

[SPION]; µg/mL	RCDR (10^−6)
	SPION-1	SPION-2	SPION-3
0	0.335±0.01	0.335±0.01	0.335±0.01
12.5	0.305±0.05	0.307±0.05	0.317±0.004
25	0.308±0.008	0.298±0.006	0.318±0.007
50	0.307±0.02	0.297±0.018	0.309±0.004
100	0.266±0.05	0.291±0.007	0.306±0.025
200	0.220±0.008	0.264±0.002	0.286±0.005
400	0.175±0.123	0.262±0.0033	0.282±0.004