Table 1.

Average hydrodynamic sizes of CS-coated Fe ₃ O ₄ NPs dispersed in different media

Medium	Time
	0 day	1 day	3 days	5 days	7 days
Water	208.7 ± 12.6	214.2 ± 10.1	217.7 ± 9.5	224.4 ± 10.6	227.8 ± 13.4
PBS plus 10% (v/v) FBS	254.5 ± 5.7	260.1 ± 4.5	279.6 ± 7.7	288.9 ± 10.2	302.5 ± 9.8
PBS	286.6 ± 18.5	310.6 ± 35.8	347.0 ± 37.4	369.6 ± 41.2	404.4 ± 25.9
1.0 mol/L NaCl	542.7 ± 50.4	784.1 ± 45.7	1,009.2 ± 66.3	1,445.4 ± 57.1	1,667.8 ± 87.0