Table 8: Effect of drug loading on OCM-CS : CaCl2 weight ratio of 6 : 1.

DRZ loading (%)PS (nm)PIZeta potential (mV)EE of OCM-CSNs

Blank OCM-CSNs
10%
20%
50%
75%

Values are expressed as mean ± standard deviation, .
OCM-CS: 6- -carboxymethyl chitosan; CaCl2: calcium chloride; PS: particle size; NPs: nanoparticles; PI: polydispersity index; EE: entrapment efficiency; OCM-CSNs: 6- -carboxymethyl chitosan nanoparticles; DRZ: dorzolamide hydrochloride.