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    Antimicrobial effects of positively charged, conductive electrospun polymer fibers

    Author
    Bhattacharya, Somdatta; Kim, Domyoung; Gopal, Sneha; Tice, Aaron; Lang, Kening; Dordick, Jonathan S.; Plawsky, Joel L., 1957-; Linhardt, Robert J.
    ORCID
    https://orcid.org/0000-0003-2219-5833
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    ANTIMICROBIAL EFFECTS OF POSITIVELY CHARGED, CONDUCTIVE.pdf (1.064Mb)
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    Date Issued
    2020-11-01
    Subject
    Biology; Chemistry and chemical biology; Chemical and biological engineering; Biomedical engineering
    Degree
    Terms of Use
    In Copyright : this Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). https://rightsstatements.org/page/InC/1.0/;
    Full Citation
    Antimicrobial effects of positively charged, conductive electrospun polymer fibers, S. Bhattacharya, D. Kim, S. Gopal, A. Tice, K. Lang, J. S. Dordick, J. L. Plawsky, R. J. Linhardt, Materials Science & Engineering C, 116 ,111247, 2020.
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    URI
    https://hdl.handle.net/20.500.13015/5391; https://doi.org/10.1016/j.msec.2020.111247
    Abstract
    In recent years, electrospun polymer fibers have gained attention for various antibacterial applications. In this work, the effect of positively charged polymer fiber mats as antibacterial gauze is studied using electrospun poly(caprolactone) and polyaniline nanofibers. Chloroxylenol, an established anti-microbial agent is used for the first time as a secondary dopant to polyaniline during the electrospinning process to make the surface of the polyaniline fiber positively charged. Both Gram-positive Staphylococcus aureus and Gram-negative Escherichia coli are used to investigate the antibacterial activity of the positively charged and uncharged polymer surfaces. The results surprisingly show that the polyaniline surface can inhibit the growth of both bacteria even when chloroxylenol is used below its minimum inhibitory concentration. This study provides new insights allowing the better understanding of dopant-based, intrinsically conducting polymer surfaces for use as antibacterial fiber mats.;
    Description
    Materials Science & Engineering C, 116 ,111247; Note : if this item contains full text it may be a preprint, author manuscript, or a Gold OA copy that permits redistribution with a license such as CC BY. The final version is available through the publisher’s platform.
    Department
    The Linhardt Research Labs.; The Shirley Ann Jackson, Ph.D. Center for Biotechnology and Interdisciplinary Studies (CBIS);
    Publisher
    Elsevier
    Relationships
    The Linhardt Research Labs Online Collection; Rensselaer Polytechnic Institute, Troy, NY; Materials Science and Engineering C; https://harc.rpi.edu/;
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    A full text version is available in DSpace@RPI;
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