Table 2.

Properties of the multifunctional nanosphere formulations

Formulation	Particle Size(a) (nm)	PDI(a,b)	Zeta Potential (mV)
CuO-NPs@H-PLGA	251 ± 28	0.115 ± 0.063	−18.7 ± 1.0
CuO-NPs@H-PLGA/PDA/PEG	288 ± 11	0.201 ± 0.047	−15.4 ± 1.5
CuO-NPs@L-PLGA	240 ± 16	0.106 ± 0.028	−22.2 ± 1.3
CuO-NPs@L-PLGA/PDA/PEG	257 ± 23	0.143 ± 0.014	−22.7 ± 1.4

Results represent the mean and standard deviation of representative batches (n = 3);

^(a)Data was recorded by dynamic light scattering (DLS) as Z-average hydrodynamic diameter; ^(b) Polydispersity index