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How Functionalized Surfaces Can Inhibit Bacterial Adhesion and Viability.

Fiorela Ghilini1, Diego E Pissinis1, Alejandro Miñán1

  • 1Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Facultad de Ciencias Exactas, UNLP - CONICET, CC16 Suc 4 (1900), La Plata, Buenos Aires, Argentina.

ACS Biomaterials Science & Engineering
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Summary
This summary is machine-generated.

Preventing device-associated infections (DAIs) involves engineering surfaces to inhibit bacterial attachment and biofilm formation. Novel antimicrobial surfaces offer promising strategies to combat healthcare-associated infections.

Keywords:
antibacterial surfacesbacterial adhesionbacterial viabilitybiofilmindwelling devicessurface modification

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Area of Science:

  • Biomaterials Science
  • Infectious Disease Research
  • Surface Chemistry

Background:

  • Device-associated infections (DAIs) are a significant healthcare challenge, primarily caused by bacterial biofilm formation on medical devices.
  • Bacterial adhesion to surfaces is the critical initial step in biofilm development, leading to persistent infections and antibiotic resistance.
  • Current treatments for DAIs are often insufficient, necessitating innovative preventive strategies.

Purpose of the Study:

  • To review prevailing strategies for modifying surfaces to create antimicrobial properties.
  • To discuss how surface functionalization impacts bacterial adhesion and viability.
  • To explore multitargeted or combinatorial approaches for combating device-associated infections.

Main Methods:

  • Review of physical and chemical surface modification techniques.
  • Analysis of strategies involving anti-adhesive coatings and antimicrobial agents.
  • Examination of stimuli-responsive surface designs for targeted antimicrobial delivery.

Main Results:

  • Surface engineering can impart anti-adhesive and/or antimicrobial properties to medical devices.
  • Different surface functionalization methods influence bacterial adhesion and viability.
  • Combinatorial and stimuli-responsive approaches show potential for enhanced efficacy.

Conclusions:

  • Surface modification is a promising strategy to prevent bacterial attachment and biofilm formation, thereby reducing DAIs.
  • Multifactorial approaches, including anti-adhesion, antimicrobial activity, and stimuli-responsiveness, are key to developing effective antimicrobial surfaces.
  • Further research into engineered surfaces can lead to significant advancements in healthcare infection control.