Research Article

Drug Release Kinetics and Front Movement in Matrix Tablets Containing Diltiazem or Metoprolol/λ-Carrageenan Complexes

Figure 7

Fraction of metoprolol released as a function of time from MTP-CRG complex matrices clamped in the special device for front position observation, in water (empty circle), in pH 1.2 (solid circle), and in pH 6.8 (solid triangle). The bars represent the standard deviation .
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