Factors

Composition parameters

Low

level

Centre level

High level

1

X1 (%w/v)

Concentration of PLGA in organic phase (Chloroform)

1.0

1.5

2.0

2

X2 (%w/v)

Concentration of Cip-Hcl in inner aqueous phase (Distilled water)

0.5

1.0

1.5

3

X3 (%w/v)

Concentration of PVA in external aqueous phase (Distilled water)

0.1

0.2

0.3