作者: Yi‐Ming Sun , Shao‐Chin Hsu , Juin‐Yih Lai
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摘要: Purpose. Ammonio methacrylate copolymer is a pharmaceutical excipient widely used as coating material for encapsulation of pellet and tablet dosage forms. Because the charged ammonio function groups within polymer, ionic drugs may interact with film while transporting through it. The kinetic swelling drug permeation properties membranes were studied to delineate effect interaction between membranes.