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Table 2 Actual unit with coded labels (32 factorial designs)

From: Primaquine-loaded transdermal patch for treating malaria: design, development, and characterization

Factors

Level used

Level-1 (Low)

Level 0 (Medium)

Level 1 (High)

Independent variables

R1 = Pmix

1:1

1:2

1:3

R2 = DMSO Conc. (w/w) of total polymer

10

15

20

Dependent variables

Y1 = Tensile strength (TS)

   

Y2 = In vitro drug release

   

Y3 = Ex vivo drug permeation