Table 1.

CS-NPs mean particle size (PS, nm), polydispersity index (PI) and zeta potential (ζ mV) (mean ± s.d.; n = 3) before and after dialysis.

	Before Dialysis (pH 4.5)	After Dialysis (pH 7.4)
PS (nm)	236.7 ± 4.0	333.6 ± 11.5
PI	0.18 ± 0.03	0.14 ± 0.04
Zeta potential, ζ (mV)	36.49 ± 8.55	15.95 ± 3.40