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Table 7 Effect of osmotic pressure on release of NP and MP from CF6

From: Development and evaluation of controlled porosity osmotic pump for Nifedipine and Metoprolol combination

Time

(h)

Cumulative % of drug release

 

NP

MP

 

CF6

7.8 atm

13.85 atm

21.27 atm

CF6

7.8 atm

13.85 atm

21.27 atm

0

0.00

0.00

0.00

0.00

0.00

0.00

0.00

0.00

2

13.28

8.50

5.20

3.10

15.31

10.20

6.21

3.45

4

31.81

24.30

18.40

12.30

31.71

24.60

18.20

12.00

6

44.74

33.20

30.10

22.40

45.66

38.60

29.50

21.40

8

59.28

48.40

41.50

29.50

59.41

50.00

39.50

30.20

10

73.15

65.00

56.40

45.30

75.27

66.14

58.70

50.36

12

88.14

79.10

68.00

58.60

89.13

79.50

70.13

64.20