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Wireless, Programmable, and Refillable Hydrogel Bioelectronics for Enhanced Diabetic Wound Healing.

Ningjie Du1, Yunlong Fan2,3, Yunting Zhang2,4

  • 1College of Chemical and Biological Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|October 14, 2024
PubMed
Summary

This study introduces a novel hydrogel bioelectronics device that combines drug delivery and electrical stimulation to accelerate diabetic wound healing. The innovative approach shows promise for improving treatment outcomes in patients with challenging diabetic foot ulcers.

Keywords:
diabetic wound healingdrug deliveryelectrostimulationhydrogel bioelectronicswireless wearable electronics

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Bioelectronics Engineering

Background:

  • Diabetic wounds present complex healing challenges, high infection rates, and risk of severe complications like amputation.
  • Traditional dry dressings are inadequate for the diabetic wound microenvironment and can cause secondary damage.
  • There is a critical need for advanced therapeutic strategies to improve diabetic wound healing outcomes.

Purpose of the Study:

  • To develop and evaluate an electronic-embedding, drug-loading hydrogel bioelectronics device for accelerated diabetic wound healing.
  • To investigate the combined effects of programmable pharmaceutical delivery and electrostimulation on wound repair.
  • To assess the device's biocompatibility, drug refilling capability, and controlled drug release.

Main Methods:

  • Fabrication of a stretchable, biocompatible hydrogel bioelectronics device capable of drug loading and electronic control.
  • Integration of on-board electronics for modulated drug release and electrostimulation.
  • In vivo testing of the device in a diabetic rat wound model.

Main Results:

  • The hydrogel bioelectronics device demonstrated significant acceleration of diabetic wound healing in vivo.
  • The device facilitated programmable pharmaceutical delivery and controlled drug release.
  • The biocompatible nature and drug refilling capability of the device were confirmed.

Conclusions:

  • The developed hydrogel bioelectronics represents a promising innovative approach for diabetic wound management.
  • Combining physical, material, and pharmaceutical interventions offers a potent strategy for enhancing wound healing.
  • This technology has the potential to significantly improve patient outcomes and reduce complications associated with diabetic wounds.