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Bacteria-Resistant, Transparent, Free-standing Films Prepared from Complex Coacervates

Abstract
We report the fabrication, properties, and bacteria-resistance of polyelectrolyte complex (PEC) coatings and free-standing films. Poly(4-styrenesulfonic acid), poly(diallyldimethylammonium chloride), and salt were spin-coated into PEC films. After thermal annealing in a humid environment, highly transparent, mechanically strong, and chemically robust films were formed. Notably, we demonstrate that PEC coatings significantly reduce the attachment of Escherichia coli K12 without killing the microorganisms. We suggest that forming bacteria-resistant surface coatings from commercially available polymers holds the potential for use across a wide range of applications, including high-touch surfaces in medical settings.
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article
article
Date
2019-01-01
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UMass Amherst Open Access Policy
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