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A disposable photovoltaic patch controlling cellular microenvironment for wound healing

Cited 8 time in Web of Science Cited 10 time in Scopus
Authors

Jang, Hyeon-Ki; Oh, Jin Young; Jeong, Gun-Jae; Lee, Tae-Jin; Im, Gwang-Bum; Lee, Ju-Ro; Yoon, Jeong-Kee; Kim, Dong-Ik; Kim, Byung-Soo; Bhang, Suk Ho; Lee, Tae Il

Issue Date
2018-10
Publisher
Multidisciplinary Digital Publishing Institute (MDPI)
Citation
International Journal of Molecular Sciences, Vol.19 No.10, p. 3025
Abstract
Electrical stimulation (ES) is known to affect the wound healing process by modulating skin cell behaviors. However, the conventional clinical devices that can generate ES for promoting wound healing require patient hospitalization due to large-scale of the extracorporeal devices. Herein, we introduce a disposable photovoltaic patch that can be applied to skin wound sites to control cellular microenvironment for promoting wound healing by generating ES. In vitro experiment results show that exogenous ES could enhance cell migration, proliferation, expression of extracellular matrix proteins, and myoblast differentiation of fibroblasts which are critical for wound healing. Our disposable photovoltaic patches were attached to the back of skin wound induced mice. Our patch successfully provided ES, generated by photovoltaic energy harvested from the organic solar cell under visible light illumination. In vivo experiment results show that the patch promoted cutaneous wound healing via enhanced host-inductive cell proliferation, cytokine secretion, and protein synthesis which is critical for wound healing process. Unlike the current treatments for wound healing that engage passive healing processes and often are unsuccessful, our wearable photovoltaic patch can stimulate regenerative activities of endogenous cells and actively contribute to the wound healing processes.
ISSN
1661-6596
URI
https://hdl.handle.net/10371/204247
DOI
https://doi.org/10.3390/ijms19103025
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  • College of Engineering
  • School of Chemical and Biological Engineering
Research Area biomaterials, nanomedicine, regenerative medicine

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