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Related Concept Videos

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Biofilms are complex communities of microorganisms encased in a self-produced extracellular polysaccharide matrix attached to surfaces. These microbial consortia can include single or multiple species, providing enhanced survival benefits by forming organized, multilayered structures.The formation of biofilms occurs through four key stages: attachment, colonization, development, and dispersal.During attachment, free-swimming planktonic cells adhere to a surface, often facilitated by...
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Surface antimicrobial functionalization with polymers: fabrication, mechanisms and applications.

Chen-Gang Wang1, Nayli Erdeanna Binte Surat'man1, Justin Jian Qiang Mah2,3

  • 1Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, Innovis #08-03, 138634, Singapore. wangcg@isce2.a-star.edu.sg.

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Researchers review polymer-based antimicrobial surfaces, detailing fabrication methods and inactivation mechanisms. These advanced materials offer protection against microbes, including viruses like COVID-19, across diverse applications.

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Area of Science:

  • Materials Science and Engineering
  • Polymer Chemistry
  • Microbiology

Background:

  • Microbial adhesion to surfaces poses significant risks in healthcare, food, and marine industries.
  • The COVID-19 pandemic has intensified the need for effective antimicrobial and antiviral surface technologies.
  • Polymers are crucial for developing functionalized surfaces to combat infection-causing and resistant microbes.

Purpose of the Study:

  • To review the fabrication techniques for polymer-based antimicrobial surfaces via physical and chemical modifications.
  • To discuss the inactivation mechanisms of both traditional biocidal agents and novel antimicrobial macromolecules.
  • To summarize advanced applications of these surfaces in critical sectors.

Main Methods:

  • Physical modification of polymer surfaces to impart antimicrobial properties.
  • Chemical modification of polymer surfaces for enhanced antimicrobial efficacy.
  • Review of literature on inactivation mechanisms and applications of antimicrobial polymer surfaces.

Main Results:

  • Successful fabrication of polymer-based antimicrobial surfaces through various modification strategies.
  • Elucidation of distinct inactivation pathways for different antimicrobial agents within polymer matrices.
  • Demonstration of broad applicability in personal protective equipment, food packaging, biomedical devices, marine coatings, and textiles.

Conclusions:

  • Polymer-based antimicrobial surfaces represent a versatile and effective strategy against microbial contamination.
  • Understanding inactivation mechanisms is key to optimizing performance and developing next-generation materials.
  • These advanced materials are critical for addressing current and future challenges in public health and industry.