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정정권,윤규호,전인성,김기엽,김현우,권순욱 大韓顎顔面成形再建外科學會 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.5
The ranula is a form of mucocele which specifically occurs in the floor of the mouth. The ranula is classfied into simple ranula and plunging ranula according to the mechanism of development such as the salivary duct obstruction or the extravasation. Clinically this lesion develops as a slowly enlarging painless, fluctuant mass on one side of the floor of the mouth and the mucosa may have a translucent bluish color. An 8-month-old male infant visited our hospital with the chief complaint of the left submandibular swelling and the mass on the floor of the mouth. We tentatively diagnosed a simple ranula. The marsupialization was performed but the sign and the symptom did not subside, so we took the MRI. By the MRI we diagnosed a plunging ranula and excised the sublingual gland via the intraoral approach. The correct diagnosis is essential for the most effective treatment, which is the excision of the sublingual gland.
Optimization for an Isoflux Pattern From a Multiring Microstrip Array via Least-Squares Regression
Jeong, Seong-Yeop,Lee, Teak-Kyung,Lee, Jae-Wook IEEE 2017 IEEE antennas and wireless propagation letters Vol.16 No.-
<P>This letter presents a novel optimization via the theoretical modeling of an array geometry for isoflux patterns from a satellite antenna. The array has a multiring geometry capable of realizing the source distribution and ring radii similar to a sinc function shape. Additionally, the array uses the sequential changing of the phase excitations in order to favor circular polarization. By means of the cavity model, a synthesized electric field from the array antenna is formulated. For the desired isoflux pattern, the formulated electric field is analytically optimized via the least-squares regression iteration process. The results of the optimization show the approximately uniform electric-field illumination on the ground from a satellite antenna.</P>
Jeong, Seong-Yeop,Velmurugan, Palanivel,Lim, Jeong-Muk,Oh, Byung-Taek,Jeong, Do-Youn Elsevier 2018 FOOD SCIENCE AND TECHNOLOGY -ZURICH- Vol.93 No.-
<P>The aim of this study was to investigate if fermentation of blueberry fruit by Bacillus amyloliquefaciens and Lactobacillus brevis under green, red, blue, and white light emitting diode (LED) illumination or sunlight could yield functionalized products for biomedical applications. Fermentation by both bacterial species under white and green LED light and sunlight resulted in increased viable cell count of the bacteria as well as total phenol and flavonoid contents over 72 h of fermentation. Blue and red LED light fermentation and that in darkness resulted in fermented samples with moderate anti-bacterial activity based on minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) as well as antioxidant and cytotoxic assays compared to fermentations under other light sources. In addition, Fourier transform infrared spectroscopy (FT-IR) was performed to determine the functional groups in the non-fermented (control) and fermented products. Sunlight and white, red, and green LED light-fermented extracts contained alcohol, acid, and phenol groups, as well as aliphatic amines. The results of this study clearly indicate that fermentation of blueberries with probiotic bacteria under various LED light sources can yield compounds that can be used in cosmetic and value-added food products.</P>