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http://dx.doi.org/10.6109/jkiice.2021.25.2.221

Cell differentiation control device capable of simultaneous stimulation of multi-wavelength LED  

Choe, Se-woon (Department of IT Convergence Engineering, Kumoh National Institute of Technology)
Abstract
Recently, interests in mask-type skin care devices using light-emitting diodes have been increasing and optical stimuli at certain wavelengths have been known to have various therapeutic effects, such as skin whitening, acne treatment, elasticity and wrinkle improvement by controlling the exposure to wavelengths of light and irradiation time. In particular, light sources of different wavelengths are applied in masks for the purpose of suppressing skin aging, inducing cell proliferation, and alleviating skin inflammation. In this paper, we developed a light-emitting diode control system that is actively used in skin regeneration masks using a microcontroller. Optical stimuli with different manners were applied to skin fibroblast cells in a single or complex wavelengths, and then confirmed how they are effective in the cell differentiation. In addition, we found a specific wavelength that has a positive effect on cell proliferation rates, and confirm the effectiveness of cell proliferation by image processing based quantitative analysis.
Keywords
Light-emitting diode; Human fibroblast cells; Cell differentiation; Multi-wavelength optical stimulation;
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