Table 1.

Summary of DLS results

Material	Hydrodynamic size
Iron-oxide:oleate NPs	16 nm ± 4.4 nm
Iron-oxide:PEG NPs	40.65 nm ± 0.83 nm
Iron-oxide:alginate NPs	229.71 nm
Iron-nitride:uncapped NPs	39.25 nm ± 21.40 nm
Iron-nitride:alginate NPs	267.6 ± 128.6 nm
Zero-valent iron:alginate NPs	241.571 ± 126.4 nm