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Flexible, Wearable and Fully-printed Smart Patch for pH and Hydration Sensing in Wounds

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Wound healing is a complex and dynamic regeneration process, wherein the physical and chemical parameters are continuously changing. Its management and monitoring can provide immense benefits, especially for bed-ridden patients. This work reports a low-cost, flexible, and fully printed on-skin patch sensor to measure the change in pH and fluid content in a wound. Such a bendable sensor can also be easily incorporated in a wound dressing. The sensor consists of different electrodes printed on polydimethylsiloxane (PDMS) substrate for pH and moisture sensing. The fabricated sensor patch has a sensitivity of 7.1 ohm/pH for wound pH levels. The hydration sensor results showed that moisture levels on a semi-porous surface can be quantified through resistance change

Tidsskrift International Journal of Bioprinting
Sider (fra-til)41-49
Antal sider9
StatusUdgivet - 2022

Bibliografisk note

Funding Information:
This work was supported by the Dean Start-up grant, Science and Technology, Aarhus University, Denmark.

Publisher Copyright:
© 2021 Author(s). This is an Open Access article distributed under the terms of the Creative Commons Attribution License, permitting distribution and reproduction in any medium, provided the original work is properly cited

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