Table 1.

Physicochemical properties of fluorescein-labeled quitosan–tripolyphosphate nanoparticles (FCNP) and fluorescein-labeled quitosan–ucGRP–tripolyphosphate nanoparticles (FCNG) assessed by DLS (n = 3).

	Size (nm)	PDI	Zeta Potential (mV)	AE (%)
FCNP	130 ± 45	0.33 ± 0.07	+37 ± 2
FCNG	156 ± 38	0.39 ± 0.06	+28 ± 7	99.8 ± 0.1

DLS, dynamic light scattering; PDI, polydispersion index; AE, association efficiency.