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Table 1 Composition of several placebo polymeric patches for polymer selection

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

Batch code

Polymer

Ratio

Solvent

Physical appearance

PC1

Eudragit RL100: Eudragit RS100

1:2

Ethanol: Water

Non-uniform

PC2

Eudragit RS100: Eudragit RL100

1:2

Ethanol: Water

Non-uniform

PC3

Eudragit RL100: HPMC K15M

1:2

Ethanol: Water

A transparent, smooth, flexible, uniform film

PC4

HPMC K15M: Eudragit RL100

1:2

Ethanol: Water

A transparent, somewhat rigid, flexible, uniform film

PC5

Eudragit RS100: HPMC K15M

1:2

Ethanol: Water

A transparent, flexible with small clumps

PC6

HPMC K15M: Eudragit RS100

1:2

Ethanol: Water

A transparent, flexible with small clumps

PC7

Eudragit RL100: EC

1:2

Ethanol: Water

Brittle and non-uniform

PC8

EC: Eudragit RL100

1:2

Ethanol: Water

Brittle and non-uniform

PC9

Eudragit RS100: EC

1:2

Ethanol: Water

Brittle and non-flexible

PC10

EC: Eudragit RS100

1:2

Ethanol: Water

Brittle and non-flexible

PC11

HPMC K15M: EC

1:2

Ethanol: DCM

Non-uniform

PC12

EC: HPMC K15M

1:2

Ethanol: DCM

Non-uniform