(a)

DS (% w/v)	CS (% w/v)	DS : CS weight ratio	pH of nanoparticle dispersion	Particle size, nm ± SD	PDI ± SD	Surface charge, mV ± SD
0.05	0.10	0.5 : 1	3.84	353 ± 23*	0.34 ± 0.06*	+56.2 ± 1.5*
0.10	0.10	1 : 1	3.79	701 ± 72	0.59 ± 0.11	−34.7 ± 4.34*
0.15	0.10	1.5 : 1	3.80	809 ± 133	0.68 ± 0.17	−45.1 ± 2.6*
0.20	0.10	2 : 1	3.81	877 ± 132	0.68 ± 0.12	−50.5 ± 2.43*
0.25	0.10	2.5 : 1	3.82	1083 ± 311*	0.77 ± 0.16	−54.7 ± 3.27*