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Wouldn't it be great if implants, catheters and surgical mesh were coated with antibiotics waiting to attack microbes trying to colonize the devices placed inside a patient's body? Well, we scientists have been working on creating antimicrobial surfaces by adding a biocide during polymer processing and by coating surfaces with antimicrobial agents such as silver, quaternary ammoniums, quaternary phosphoniums, sulfoniums or chitosan, which comes from sea crustaceans. The goal is ambitious: to inhibit microbial biofilm formation on medical devices that come in contact with patients' tissue.
