Wound Healing Effect by 633 nm Wavelength Using LED Irradiator

  • Yang-Sun Lee
  • Tae-Gon Kim
  • Min-Woo Cheon
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 180)


This study verified the performance and effectiveness of 633nm LED irradiator that was designed to emit similar wavelengths to that of a laser and thus could be used instead of a low level laser in experiments on cells and animals. In order to examine the effect of the 633nm LED irradiator on wounds, a round slice of wound 1 cm in diameter was cut on the back of the laboratory animal. Laboratory animals treated with 633nm LED irradiation (p<0.05) healed at a faster rate than non-irradiated controls. The LED irradiated groups also had more collagenosis, according to Masson’s trichrome staining for collagen analysis. In conclusion, 633nm LED irradiation had a beneficial effect on wound healing and could probably replace low level laser therapy.


Light emitting diode Low level laser therapy Cell proliferation Wound healing 


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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Yang-Sun Lee
    • 1
  • Tae-Gon Kim
    • 2
  • Min-Woo Cheon
    • 3
  1. 1.Division of Computer Eng.Mokwon UniversityDaejeonKorea
  2. 2.Department of Electrical and Electronic EngineeringDongshin University Graduate SchoolJeonnamRepublic of Korea
  3. 3.Department of Biomedical ScienceDongshin UniversityJeonnamRepublic of Korea

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