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김향진,임재윤 濟州大學校 産業技術硏究所 1999 산업기술연구소논문집 Vol.10 No.1
This paper proposes the LSF or LSP that is the method .of using to transfer the speech parameters after processed the speech to LPC. which is digital coding transferring efficiently, for the best quality and the lowest bit rate of parameters. The new revised transform algorithms between LSF and LPC coefficients are proposed. The proposed algorithms eliminates all multiplications, computes fewer operations, and reduces memory buffer sizes.
Infrared radiation accelerates the dissolution rate of a microneedle array patch
( Jae Woo Lim ),( Shingyoung Song ),( Seha Park ),( Seulki Lee ),( Jinok Baek ),( Joo Young Roh ),( Hyang Joon Park ),( Jee-hyun Park ),( Cheong Bi Kim ),( Hyun-ji Lee ),( Jae Myun Lee ),( Jung-hwan P 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: The microneedle array patch (MAP) has been used for various applications because it is highly efficacious in delivering the active drug ingredient into the skin. Objectives: This study was performed to evaluate changes in transepidermal water loss (TEWL), the surface temperature of the skin, the dissolution rate of the MAP tips with infrared (IR) irradiation, and time for recovery from erythema that occurred after MAP attachment and IR irradiation. Methods: In this study, the dissolution rate of a MAP was increased, not by changing the drug formulation but by employing an IR device. TEWL increased more than fourfold IR irradiation. Water that evaporated as a result of IR irradiation was trapped in the skin layer by the patch, resulting in the increased dissolution rate of the MAP tips. Results: After 10min of IR irradiation, the height of the dissolving tips increased from 41 to 56%, and the dissolved volume of the tips increased from 7 to 18%. During the 10 min of irradiation, the skin surface temperature rose from 32 to 40°C. Erythema occurred in the early stage of treatment, but it abated within 2 h after removal of the MAP and cessation of IR irradiation. Conclusion: Through this study, it was possible to shorten the administration time of MAPs by using an IR device that could be easily accessed. This method can be applied to various types of MAPs to reduce the time that the MAPs must remain attached to the skin without changing the drug formulation.
Jae Hyang Lim,Chang-Hoon Woo 대한해부학회 2011 Anatomy & Cell Biology Vol.44 No.4
Atherosclerosis is readily observed in areas where disturbed flow is formed while the atheroprotective region is found in areas with steady laminar flow (L-flow). It has been established that L-flow protects endothelial cells against endothelial dysfunction including apoptosis and inflammation. It has also been reported that extracellular signal-regulated kinase 5 (ERK5) regulated endothelial integrity and protected endothelial cells from vascular dysfunction and disease under L-flow. However the molecular mechanism by which L-flow-induced ERK5 activation inhibits endothelial apoptosis has not yet been determined. Transcription factor p53 is a major pro-apoptotic factor which contributes to apoptosis in various cell types. In this study we found that 15-deoxy-Δ(12 14)-prostaglandin J2 induced p53 expression and that endothelial apoptosis was reduced under the L-fl ow condition. Th is anti-apoptotic response was reversed by the biochemical inhibition of ERK5 activation. It was also found that activation of ERK5 protected endothelial apoptosis in a C terminus of Hsc70-interacting protein (CHIP) ubiquitin ligasedependent manner. Moreover molecular interaction between ERK5-CHIP and p53 ubiquitination were addressed with a CHIP ubiquitin ligase activity assay. Taken together our data suggest that the ERK5-CHIP signal module elicited by L-flow plays an important role in the anti-apoptotic mechanism in endothelial cells.
Research Trend in Korean Medicine Treatment for Hemifacial Spasm
Hyang Gi Lim,Eun Sil Heo,Sang Ha Woo,Jung Hee Lee,Jae Soo Kim,Seong Hun Choi,Hyun-Jong Lee 대한침구의학회 2023 대한침구의학회지 Vol.40 No.3
This study reviewed clinical papers reported on hemifacial spasm (HFS). Six online databases were searched for clinical papers published between January 2000 and December 2022. This study reviewed 14 studies, including 13 case reports and 1 combination of case reports and randomized controlled trials (RCTs). The most frequently used acupoints were ST7 and TE17, and the stomach meridian was the most frequently selected. Herbal medicine, pharmacopuncture, thread embedding acupuncture, cupping, moxibustion, and physical therapy were combined with acupuncture. The most frequently used evaluation method is Scott’s scale. Out of 95 cases, 82 reported improved HFS symptoms after treatment. Our findings indicated the effectiveness of Korean Medicine treatment in treating HFS. However, evidence of efficacy and safety remains insufficient. Large-scale and well-designed investigations will be required in the future to corroborate these results. We believe that this paper will serve as the foundation for future RCTs.
임재현,이혜란,심영보,한연석,이윤우,박문향,송태의,서상렬 인제대학교 백병원 2001 仁濟醫學 Vol.22 No.2
A 41-year-old female patient was admitted with uncontrolled gum bleeding and severe pancytopenia. She had a history of systemic lupus erythematosus(SLE) for 2 years prior to the identification of marrow fibrosis. Myelofibrosis is characterized by excessive deposition of collagen, laminin, and fibronectin within the bone marrow stroma. These changes can be due to primary myeloproliferative disorders, a variety of malignant processes, endocrine disturbances, or inflammatory diseases. Myelofibrosis is a rare cause of cytopenias in SLE, and conversely SLE is an uncommon etiology for myelofibrosis. We report a case of myelofibrosis secondary to systemic lupus erythematosus which was reversed by the treatment with glucocorticoid.
Fringe-Field Switching Transflective Liquid Crystal Displays
Lim, Young-Jin,Choi, Min-Oh,Lee, Seung-Hee,Song, Jae-Hoon,Jeong, Youn-Hak,Kim, Hyang-Yul,Kim, Seo-Yoon,Lim, Young-Jin The Korean Infomation Display Society 2005 Journal of information display Vol.6 No.2
This paper investgates the transflective liquid crystal displays (LCDs) associated with fringe-field switching (FFS) mode to achieve high image quality. In the past, several cell structures were used to fabricate transflective FFS LCDs. Their structures and characteristics are carefully examined to find their merits and demerits. In addition, we attempt to optimize cell parameters to achieve a single driving circuit.