Table 1: Effects of DS : CS weight ratios on the physical characteristics of unloaded (top) and BSA loaded (below) CS NPs, . CS solution used for BSA loaded CS NPs was 0.1% w/v. BSA concentration used was 1 mg/mL.
(a)

DS (% w/v) CS (% w/v) DS : CS weight ratiopH of nanoparticle dispersionParticle size, nm ± SDPDI ± SDSurface charge, mV ± SD

0.050.100.5 : 13.84 * * *
0.100.101 : 13.79 *
0.150.101.5 : 13.80 *
0.200.102 : 13.81 *
0.250.102.5 : 13.82 * *

(b)

DS (% w/v)CS (% w/v)DS : CS weight ratioParticle size, nm ± SDPDI ± SDSurface charge, mV ± SDEE, % ± SD

0.050.100.5 : 1 * * *
0.100.101 : 1 * *
0.150.101.5 : 1 *
0.200.102 : 1 * *

The mean difference is significant at the 0.05 level.