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  • Antimicrobial anilinium polymers: The properties of poly(N,N-dimethylaminophenylene methacrylamide) in solution and as coatings

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    Author(s)
    Chen, Ao
    Er, Gerald
    Zhang, Cheng
    Tang, Joyce
    Alam, Mahbub
    Ta, Hang T
    Elliott, Alysha G
    Cooper, Matthew A
    Perera, Janesha
    Swift, Simon
    Blakey, Idriss
    Whittaker, Andrew K
    Peng, Hui
    Griffith University Author(s)
    Ta, Hang
    Year published
    2019
    Metadata
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    Abstract
    Antimicrobial polymers have been widely reported to exert strong biocidal effects against bacteria. In contrast with antimicrobial polymers with aliphatic ammonium groups, polymers with anilinium groups have been rarely studied and applied as biocidal materials. In this study, a representative polymer with aniline side functional groups, poly(N,N‐dimethylaminophenylene methacrylamide) (PDMAPMA), was explored as a novel antimicrobial polymer. PDMAPMA was synthesized and its physicochemical properties evaluated. The methyl iodide‐quaternized polymer was tested against the Gram‐positive Staphylococcus aureus, with a minimum ...
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    Antimicrobial polymers have been widely reported to exert strong biocidal effects against bacteria. In contrast with antimicrobial polymers with aliphatic ammonium groups, polymers with anilinium groups have been rarely studied and applied as biocidal materials. In this study, a representative polymer with aniline side functional groups, poly(N,N‐dimethylaminophenylene methacrylamide) (PDMAPMA), was explored as a novel antimicrobial polymer. PDMAPMA was synthesized and its physicochemical properties evaluated. The methyl iodide‐quaternized polymer was tested against the Gram‐positive Staphylococcus aureus, with a minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of 16–32 and 64–128 μg mL−1, respectively. Against the Gram‐negative Escherichia coli, the MIC and MBC were both 64–128 μg mL−1. To broaden the range of applications, PDMAPMA was coated on substrates via crosslinking to endow the surface with contact‐kill functionality. The effect of charge density of the coatings on the antimicrobial behavior was then investigated, and stronger biocidal performance was observed for films with higher charge density. This study of the biocidal behavior of PDMAPMA both in solution and as coatings is expected to broaden the application of polymers containing aniline side groups and provide more information on the antimicrobial behavior of such materials.
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    Journal Title
    Journal of Polymer Science Part A: Polymer Chemistry
    Volume
    57
    Issue
    18
    DOI
    https://doi.org/10.1002/pola.29314
    Copyright Statement
    © 2019 Wiley Periodicals, Inc. This is the peer reviewed version of the following article: Antimicrobial anilinium polymers: The properties of poly(N,N‐dimethylaminophenylene methacrylamide) in solution and as coatings, Journal of Polymer Science Part A: Polymer Chemistry, Vol. 57, Iss.18, Pages 1908-1921, which has been published in final form at 10.1002/pola.29314. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving (http://olabout.wiley.com/WileyCDA/Section/id-828039.html)
    Subject
    Macromolecular and materials chemistry
    Physical chemistry
    Materials engineering
    Science & Technology
    Physical Sciences
    Polymer Science
    biological applications of polymers
    biomaterials
    Publication URI
    http://hdl.handle.net/10072/396573
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    • Journal articles

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