期刊
MACROMOLECULAR BIOSCIENCE
卷 11, 期 1, 页码 111-121出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.201000306
关键词
antimicrobial; biodegradable; contact-active; polyoxazoline; self-polishing
资金
- Deutsche Forschungsgemeinschaft
A contact-active antimicrobial coating is described that is only degraded in the presence of cellulase, which is an extracellular enzyme of numerous microbial strains. Antimicrobial DDA was grafted to a cellulose backbone via a polymeric spacer. The antimicrobial activity of the coatings, their biodegradability and their self-polishing potential were investigated. It was found that all coatings were antimicrobially active against Staphylococcus aureus. Coatings with high DS and long polymeric spacers degraded in water, while coatings with low DS and short spacers were not hydrolyzed even in the presence of cellulase. One coating was found to be selectively degradable by cellulase and recovered most of its antimicrobial activity after overloading and subsequent treatment with cellulase.
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