Fig. 5. Loading results of betaxolol hydrochloride (BH) (A) and betaxolol base (BB) (B) in NaCl,Na2SO4 and NaSCN solutions with the ionic strength ranging from 0 to 1 mol l−1 and comparison of enhancement factor for diclofenac sodium (DS), betaxolol base and betaxolol hydrochloride in NaCl solutions (C). Each point represents the average of three measurements. (*P < 0.05, **P < 0.01, ***P < 0.001). Reprinted with permission from ref. 51 copyright (2019) Elsevier.
