Self-Healing, Electroconductive Hydrogels for Wound Healing Applications

Duarte Almeida, Diogo Dias, Frederico Castelo Ferreira, Teresa Esteves · MDPI AG · 2025

Electroconductive, self-healing hydrogels are reviewed as wound-care biomaterials that combine electrical responsiveness with automatic repair and bioactive performance.

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Plain English summary

This review describes electroconductive, self-healing hydrogels for wound healing. It explains how hydrogels can provide a moist, biomimetic environment while electrical responsiveness may support tissue repair processes. The abstract highlights that self-healing can occur after mechanical disruption via ionic or covalent bonds and supramolecular interactions. It also notes that adding electrically active components—such as PEDOT:PSS or polypyrrole, or 2D nanomaterials like graphene—can make the hydrogels responsive and potentially improve biological outcomes. The review further emphasizes that these biomaterials should match skin-like mechanical properties and may be loaded with drugs to enhance healing. It synthesizes chemistry, summarizes biological outcomes reported in the literature, and discusses future directions toward integration into standard wound care strategies.

Why this matters

The abstract frames novelty as a synthesized review that connects self-healing chemistry with electroconductive components and summarizes biological outcomes and future integration into wound care strategies. The abstract discusses future integration into standard wound care strategies but does not provide evidence of clinical adoption, regulatory status, or commercialization.

Key findings

  • Electroconductive, self-healing hydrogels are positioned as versatile wound-care biomaterials.
  • Self-healing is attributed to mechanisms including ionic/covalent bonds and supramolecular interactions.
  • Electrically active additives (e.g., PEDOT:PSS, polypyrrole, graphene) are used to confer electrical responsiveness.
  • The abstract links these materials to reported biological effects such as fibroblast proliferation, antimicrobial properties, and angiogenesis.
  • Skin-mimicking mechanics and drug loading are described as important design considerations.

Limitations

As a review, the abstract does not provide specific experimental results, quantitative performance metrics, or direct evidence of clinical efficacy; it also does not specify which self-healing/electrical mechanisms are most effective.

Publication

Publisher
MDPI AG
Publication date
August 8, 2025
Research type
Paper
License
https://creativecommons.org/licenses/by/4.0/

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