Development and Evaluation of a Novel Polymer Drug Delivery System Using Cromolyn-Polyamides-Disulfide using Response Surface Design

Table 4

The %LE and zeta potential equations.

%LE	=	0.58 + 327.7 drug + 3.66 FeCl3 + 6.0 polymer + 0.17 pH −202.6 drugFeCl3 −570 drugpolymer + 14.20 drugpH + 92.8 FeCl3polymer −1.99 FeCl3pH −11.41 polymerpH
Zeta potential	=	67.8 + 144.1 drug −56.5 FeCl3 + 127.0 polymer −22.88 pH + 42.0 drugFeCl3 −233 drugpolymer −48.1 drugpH −13.4 FeCl3polymer + 25.78 FeCl3pH −30.6 polymerpH