Table 1.

Mean hydrodynamic diameter, polydispersity index (PDI), and zeta potential of functionalized MNPs determined by DLS in PBS as prepared and after 72 h of aging

	NH2@MNPs		gH625@MNPs		PEG,FA@MNPs
	0 h	72 h	0 h	72 h	0 h	72 h
Size (nm)	73 ± 3	71 ± 4	104 ± 4	109 ± 4	51 ± 2	52 ± 6
PDI	0.23	0.22	0.18	0.20	0.34	0.37
ζ (mV)	− 44 ± 1	− 46 ± 1	− 45 ± 1	− 45 ± 1	− 42 ± 1	− 42 ± 1