Table 5 The effect of surfactant types.

From: Synthesis, characterization of poly l(+) lactic acid and its application in sustained release of isosorbide dinitrate

Formula No.

PLLA M.wt

PLLA concentration (%)

Drug concentration (%)

Surfactant concentration (%)

Type of surfactant

F1

11,636

15

15

0.2

Pluronic F88

F2

11,636

15

15

0.2

Tetronic 1307

F3

11,636

15

15

0.2

Tween 80

F4

11,636

15

15

0.2

Polyvinyl alcohol

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