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권오민(Kwon Oh-mi),박상영(Park Sang-young),안상영(Ahn Sang-young),한창현(Han Chang-huyn),안상우(Ahn Sang-woo) 한국의사학회 2009 한국의사학회지 Vol.22 No.1
This article conducted an pilot study on Lee Gyu-Jun(李圭晙)’s life and thoughts. He championed, and is mainly based on, old annotations of ancient Confucian bibles古文 that were made in the Han漢 and Tang唐 era in Chinese history and consequently took additionally into account Zuxi朱熹’s annotations on Confucian bibles. This cause big trouble to him in conservative Gyeong Shang Province(嶺南). He participated in the Confucian Religion Movement孔敎運動 and proposed constitutional monarchy as a new polity fit for changing Korean history. He closely interacted with many resistants to the Japanese rule of Korea and had a mixed perspective on Western culture, science and technology, and social system, positive or negative, contingent on cases. He made great footprints in the history of both modern Korean medicine and philosophy. Thus there is an urgent need for the overall study on Lee Gyu-Jun in every aspect.
Inducible Nitric Oxide Synthase Inhibitor form Mela azedarach var. Japonica
Kwon, Hak-Cheol,Lee, Byeong-Gon,Kim, Seung-Hee,Jung, Chil-Mann,Hong, Sung-Youl,Han, Jeung-Whan,Lee, Hyang-Woo,Zee, Ok-Pyo,Lee, Kang-Ro The Pharmaceutical Society of Korea 1999 Archives of Pharmacal Research Vol.22 No.4
In bioassay-guided search for inducible nitric oxide synthase (iNOS) inhibitory compounds from higher plants of South Korea, two $\beta$-carboline (2) have been isolated form the cortex of Melia azedarach var. japonica. The structures of these compounds were elucidated on the basis of spectroscopic data. Compounds 1 to 2 showed marked inhibitory activity of iNOS on LPS-and interferon-${\gamma}$-stimulated RAW 264.7 cells.
Han, Weon-Cheol,Kim, Kwon-Seop,Park, Jae-Seung,Hwang, Sung-Yeoun,Moon, Hyung-Bae,Chung, Hun-Taeg,Jun, Chang-Duk The Korean Society for Integrative Biology 2001 Korean journal of biological sciences Vol.5 No.3
Ligand-receptor clustering event is the most important step in leukocyte adhesion and spreading on endothelial cells. Intercellular adhesion molecule-1 (ICAM-1) has been shown to enhance leukocyte adhesion, but the molecular event during the process of adhesion is unclear. To visualize the dynamics of ICAM-1 movement during adhesion, we have engineered stable Chinese hamster ovary cell lines expressing ICAM-1 fused to a green fluorescent protein (IC1_GFP/CHO) and examined them under the fluorescence microscopy. The transfection of IC1_GFP alone in these cells was sufficient to support the adhesion of K562 cells that express $\alpha$L$\beta$2 (LFA-1) integrin stimulated by CBR LFA-1/2 mAb. This phenomenon was mediated by ICAM-1-LFA-1 interactions, as an mAb that specifically inhibits ICAM-1-LFA-1 interaction (RRl/l) completely abolished the adhesion of LFA-1* cells to IC1_ GFP/CHO cells. We found that the characteristic of adhesion was followed almost immediately (~10 min) by the rapid accumulation of ICAM-1 on CHO cells at a tight interface between the two cells. Interestingly, ICI_GFP/CHO cells projected plasma membrane and encircled approximately half surface of LFA-1+ cells, as defined by confocal microscopy. This unusual phenomenon was also confirmed on HUVEC after adhesion of LFA-1* cells. Neither cytochalasin D nor 2,3-butanedione 2-monoxime an inhibitor of myosin light chain kinase blocked LFA-1-mediated ICAM-1 clustering, indicating that actin cytoskeleton and myosin-dependent contractility are not necessary for ICAM-1 clustering. Taken together, we suggest that leukocyte adhesion to endothelial cells induces specialized form of ICAM-1 clustering that is distinct from immunological synapse mediated by T cell interaction with antigen presenting cells.
Sang-Don Kwon,Byeong-Yeon Han 한국도시철도학회 2014 IJAR Vol.2 No.4
The Incheon International Airport shuttle train IAT (Intra Airport Transit) is a route that runs to single line Shuttle Terminal 1 and landing platform, 1 station (Terminal 2 platform) is will be added in 2017. Be established tunnel structure is same with under the existing structure, but the same is not different from other urban rail ventilation equipment (operating at a fire in the flue gas ventilation purposes) airport terminal portion of the new platform is a structure on the property that are stuck closed treatment. subject of the Analysis as a shuttle train that runs to Terminal 2 and Concourse section is parsed only a relatively small speed run parallel to 21.45 m2 need to evaluate of screen door on the part of a person air pressure. The analysis method is the air pressure changes generated during the running tunnels was calculated as one-dimensional computational analysis, based on the Navier-stokes equation ventilation system according to each of the three scenarios analysis. The result was evaluated to meet the standard in the wind pressure 500 Pa was obtained based on the air pressure change in the safety screen doors in all normal conditions, the screen doors.