Table 6: Effect of drug loading on zeta potential and EE of OCM-CSNs.

OCM-CS : CaCl2 weight ratioZeta potential (mV) EE of OCM-CSNs
DRZ loading (50%)Blank OCM-CSNs

6 : 1
5 : 1
4 : 1

Values are expressed as mean ± standard deviation, .
OCM-CS: 6- -carboxymethyl chitosan; CaCl2: calcium chloride; NPs: nanoparticles; EE: entrapment efficiency; OCM-CSNs: 6- -carboxymethyl chitosan nanoparticles.