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Electrically conductive and antimicrobial Pluronic-based hydrogels.

Nicola Antonio Di Spirito1, Wanli Liu2, Mirella Di Lorenzo3

  • 1DICMaPI, Università degli Studi di Napoli Federico II, P. le Tecchio 80, 80125 Napoli, Italy; Department of Chemical Engineering and Centre for Bioengineering and Biomedical Technologies (CBio), University of Bath, Claverton Down, BA2 7AY Bath, UK.

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|October 9, 2024
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Summary
This summary is machine-generated.

New electrically conductive hydrogels (ECHs) blend Pluronic F68 with PEDOT:PSS and silver. These biocompatible materials offer enhanced conductivity and antimicrobial properties, showing promise for advanced biomedical applications.

Keywords:
Antimicrobial propertiesBiomedical applicationsElectrically conductive hydrogelsPEDOT:PSSPluronicsPoloxamers

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Area of Science:

  • Materials Science
  • Biomedical Engineering
  • Polymer Chemistry

Background:

  • Electrically conductive hydrogels (ECHs) are promising for biomedical uses due to their responsiveness to electrical fields.
  • Pluronics, like Pluronic F68 (PF68), offer biocompatibility, thermosensitivity, and self-assembly, making them suitable for hydrogel development.
  • There is a need for advanced ECHs with integrated antimicrobial properties for enhanced biomedical applications.

Purpose of the Study:

  • To develop novel self-assembling electrically conductive hydrogels (ECHs) with inherent antimicrobial properties.
  • To characterize the macroscopic and microscopic properties of these innovative hydrogels.
  • To optimize the synthesis of biocompatible and electrically conductive hydrogels using Pluronic F68, PEDOT:PSS, and silver.

Main Methods:

  • Synthesis and characterization of Pluronic F68/PEDOT:PSS/silver flake composite hydrogels.
  • Rheological, morphological, and structural analysis using experimental rheology and small-angle X-ray scattering (SAXS).
  • Evaluation of electrical conductivity and antimicrobial activity against Staphylococcus aureus.

Main Results:

  • The developed hydrogels exhibit high electrical conductivity due to the inclusion of PEDOT:PSS and silver flakes.
  • The self-assembly behavior of Pluronic F68 in water is preserved in the composite hydrogels.
  • Silver functionalization confers significant antimicrobial properties, demonstrated by inhibiting the growth of Staphylococcus aureus.

Conclusions:

  • This study presents a novel route for synthesizing electrically conductive hydrogels (ECHs) using Pluronic F68.
  • The developed ECHs possess a unique combination of self-assembling behavior, biocompatibility, electrical conductivity, and antimicrobial activity.
  • These findings offer inspiration for future advancements in the biomedical field utilizing functional hydrogel systems.