Table 3.

Nanoparticle characterization by DLS.

nanoparticles	Dh (nm)	PD	ζ-potential (mV)
γ-Fe2O3	91	0.33	48
γ-Fe2O3@Hep	60	0.18	−60
γ-Fe2O3@Hep-CS-G	81	0.11	30
γ-Fe2O3@Hep-CS-H	81	0.11	29
γ-Fe2O3@Hep-CS-P	90	0.12	26