Smart 3D Printed Auxetic Hydrogel Skin Wound Dressings

Filmon Tsegay, Mohamed Elsherif, Fahad Alam, Haider Butt

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Wound healing is a huge challenge worldwide causing enormous financial burden on healthcare systems. Although conventional wound dressings, such as hydrogels, bandages, and foams, facilitate wound healing, they lack the ability to monitor the wound healing process. Here, hydrogel wound dressings in the form of auxetic structures were developed by a digital light processing (DLP) printer. Paper-based colorimetric sensors were incorporated with the 3D printed auxetic hydrogel skin wound patches for monitoring the wound status through detecting pH levels and glucose concentrations. The paper-based sensors are profoundly cost-effective and were found to be capable of monitoring the wound's conditions. The developed wound dressings may assist in preventing escalation of the acute wounds into chronic stages in diabetics. copy; 2022 American Chemical Society.

Original languageBritish English
Pages (from-to)5545-5553
Number of pages9
JournalACS Applied Bio Materials
Issue number12
StatePublished - 19 Dec 2022


  • 3D-printing
  • auxetic structures
  • glucose sensors
  • hydrogel wound dressings
  • pH sensors


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