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http://dx.doi.org/10.9708/jksci.2021.26.02.119

A Study of Antibacterial Efficiency according to Direction of UV Irradiation in Cosmetic Case  

Jeong, Jae Young (Dept. of Biomedical Engineering, Gachon University)
Hwang, You Jin (Dept. of Biomedical Engineering, Gachon University)
Publication Information
Journal of the Korea Society of Computer and Information / v.26, no.2, 2021 , pp. 119-124 More about this Journal
Abstract
In this study, we propose an antibacterial efficiency according to the direction of UV irradiation. In the experiment, we measured the effective irradiation angle of UVC using S.aureus, a Gram-positive bacterium, and the variation of the antibacterial region according to the distance according to the direction of ultraviolet irradiation. Also, as a method to increase the antibacterial efficiency during horizontal irradiation of ultraviolet rays, we tested reflecting leaking UVC. As a result, the angle of ultraviolet irradiation was measured smaller than the product description, and in the case of the antibacterial area according to the direction of ultraviolet irradiation, the distance from the sample was increased during vertical irradiation, and the antibacterial area was increased as the distance from the sample was closer during horizontal irradiation. In addition, it was confirmed that antibacterial efficiency can be increased by reflecting leaking UVC during horizontal irradiation of UVC.
Keywords
UV; Vertical; Horizontal Irradiation; Antibacterial; Efficiency; Staphylococcus aureus;
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Times Cited By KSCI : 1  (Citation Analysis)
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