Table 1. Particle size and zeta potential of nanoparticles (n=3).

Nanoparticles	Size (nm)	Polydisperity	Zeta potential (mV)
Blank NP	155.5±3.7	0.096±0.014	−31.20±4.16
NP/Erg	156.9±4.8	0.080±0.018	−19.27±1.13