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Title: | Antibacterial polyvinyl chloride/antibiotic films: The effect of solvent on morphology, antibacterial activity, and release kinetics | ||||||||||
Author: | Merchan, Martha; Sedlaříková, Jana; Sedlařík, Vladimír; Machovský, Michal; Svobodová, Jitka; Sáha, Petr | ||||||||||
Document type: | Peer-reviewed article (English) | ||||||||||
Source document: | Journal of Applied Polymer Science. 2010, vol. 118, issue 4, p. 2369-2378 | ||||||||||
ISSN: | 0021-8995 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1002/app.32185 | ||||||||||
Abstract: | Medical-grade polyvinyl chloride was modified with sodium ampicillin in a concentration range from 0 to 5 wt % by solvent casting technique using cyclohexanone and N,N-dimethylformamide. The obtained polymeric systems were characterized by optical microscopy, tensile test, and scanning electron microscopy. In addition, in vitro antibacterial activity against Gram-negative and Gram-positive bacteria were determined by an agar diffusion test. Antibiotic release experiments were performed in distilled water and physiological saline solution, which were monitored by UV-vis spectroscopy. The results showed a crucial role of the solvent on the morphology, antibacterial activity, and releasing characteristic of the ampicillin. Furthermore, a mathematical model was applied to data obtained from release study, to characterize the release kinetics of the ampicillin from the polyvinyl chloride-antibiotic systems. | ||||||||||
Full text: | http://onlinelibrary.wiley.com/doi/10.1002/app.32185/abstract | ||||||||||
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