Average sizes calculated by SEM and DLS of each of the new nanoparticles.

	SEM (nm)	DLS	PdI	Z-Potential
FeNP	40.0	285.4	0.248	−24 mV
FeNP-SQ1	45.2	229.0	0.378	−46 mV
FeNP-SQ2	40.7	224.5	0.169	−41 mV
FeNP-SQ3	41.9	255.0	0.258	−28 mV
FeNP-SQ4	38.0	321.9	0.266	−22 mV