Controlling macromolecular structures towards effective antimicrobial polymers

Mitra S. Ganewatta, Chuanbing Tang

Research output: Contribution to journalReview articlepeer-review

126 Scopus citations

Abstract

Drug resistance of pathogenic bacteria is a major global problem leading humanity towards a pre-antibiotic era. Decline in the discovery of novel antibiotics and the lack of a resilient platform to develop novel antimicrobial agents worsens the situation. Amphiphilic antimicrobial polymers, which have roots coming from antimicrobial peptides, show promise as potent antimicrobials having low susceptibility for developing resistance, unlike small molecular antibiotics. This feature article highlights recent advances in the fabrication of membrane-active antimicrobial polymers. The design of various types of macromolecular architectures with control of structural parameters such as hydrophobicity/hydrophilicity balance, molecular weight, and ionic groups will be emphasized in order to achieve strong antimicrobial activities while minimizing toxicity to mammalian cells. Advanced polymeric assemblies with well-defined nanostructures including core/shell shaped nano-objects and polymeric vesicles are also discussed. Lastly, current challenges and future directions in the field of antimicrobial polymers for ensuing practical biomedical applications are presented.

Original languageEnglish (US)
Pages (from-to)A1-A29
JournalPolymer
Volume63
DOIs
StatePublished - Apr 20 2015

Bibliographical note

Funding Information:
This work was supported by National Science Foundation ( DMR-1206072 ).

Publisher Copyright:
© 2015 Elsevier Ltd All rights reserved.

Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

Keywords

  • Antimicrobial polymer
  • Bacterial resistance
  • Macromolecular architecture

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