Abstract
A multiple targeted drug carrying bilayer membrane for preventing an abdominal adhesion is prepared by electrospinning. Two bioactive drugs were successfully incorporated into this bilayer membrane and can be independently released from nanofibrous scaffolds without losing structural integrity and functionality of the anti-adhesion membrane. Besides, the drug release profile could be easily adjusted by optimizing the swelling behavior of the fibrous scaffold. The inner layer of the bilayered fibrous membranes loaded with carbazochrome sodium sulfonate (CA) showed an excellent vascular hemostatic efficacy and formed little clot during in vivo experiment. The outer layer loaded with tinidazole (TI) had outstanding antibacterial effect against the anaerobe. We believe this approach could serve as a model technique to guide the design of implants with drug delivery functions.
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