Influence of Hydrophilic Polymers on the Factor in Weibull Equation Applied to the Release Kinetics of a Biologically Active Complex of Aesculus hippocastanum

Figure 5

Histograms of half-release times and 63.2%-release time of EH for various hydrogels prepared with the use of MC (P1), PA1 (P2), PC-11 (P3), and PA2 (P4), evaluated according to the kinetics models: (a) zero-order kinetic equation, (b) first-order kinetic equation, (c) second-order kinetic equation, and (d) Weibull model; the Y-bar represents SD; .

(a)

(b)

(c)

(d)