Table 1.

Physicochemical characterization of the PTPPSN (mean values ± standard deviation, n = 3): measurement of mean diameter (d), Zeta potential (z) and polydispersity index (PDI).

Ratio	Z(mV)	D(nm)	PDI
1:0.1	−28.47 ± 1.32	189.23 ± 2.68	0.078 ± 0.009
1:0.2	−26.64 ± 1.27	176.34 ± 2.53	0.085 ± 0.019
1:0.4	−23.18 ± 1.18	155.27 ± 2.15	0.064 ± 0.017
1:0.8	−21.74 ± 1.12	126.09 ± 1.68	0.067 ± 0.023