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이우선,손경춘 조선대학교 에너지.자원신기술연구소 2000 에너지·자원신기술연구소 논문지 Vol.22 No.1
Magnetic Characteristics of InSb hall device of multilayerd structures were investigated. For the measurement of electrical properties of hall device, evaporated InSb thin film fabricated with series and parallel multilayers. According to variation of magnetic field measured hall coefficient, Hall mobility, carrier density and hall voltage. We found that the XRD analysis of InSb thin film showed good properties at 200℃, 60 minutes. Resistance of ohmic contact increased linearly due to increasing current. Some of device fabrication technique and analysis of magnetic characteristics were discussed.
윤현민,안창범,송춘호,손인석,장경전 대한침구학회 2003 대한침구의학회지 Vol.20 No.2
Clinical observation was made on 52 cases of Stroke that were confined through brain CT, MRI scan. The Stroke cases wee classified into the following kinds cerebral infarction, cerebral hemorrhage, cerebellar or brain stem infarction, cerebellar or brain stem hemorrhage. and among the 52 cases of Stroke cerbral infarction was noticed in 75.00%, cerebral hemorrhage in 11.54%, cerebellar or brain stem infarction in 9.52%, cerebeller or brain stem hemorrhage in 3.85%. The ratio between males and females was 1.74:1 in the whole groups of Stroke and most cases were over 60 of age. As the time of hospitalization, most patients hospitalized from 1 day after stroke to 7 days after stroke. And as the course of hospitalization, most patients hospitalized first. Among the preceding disease at the onset of Stroke hypertention was noted in 32.69%, and deabetes mellitus or heart problem was noted frequently(15.39%). Electrocardiography findings were as follows: The normal was noted in 53.85%, the abnormal in 46.15%. And as the abnormal, left ventricular hypertrophy was noted in 17.54%. The predisposing factors or conditions at the onset of brain infarction were usually initiated during the time of sleeping and those of brain hemorrhage chiefly during the time of execising like overwork or walking etc. It was noted that smoking a pack of cigarette showed highest disease rate(33.33%) among the average of smoking amount of one day in case of man. Prior to attack, the most chiefly complain was dyspnea or discomfort on chest region. And 30.70% of patients had no previous sign. There were a large number of recurrent cases. The first attack was noted in 71.15%, the 2nd attack in 23.08%, the 3rd attack in 5.77%.
Son, Young-Ok,Kook, Sung-Ho,Choi, Ki-Choon,Jang, Yong-Suk,Jeon, Young-Mi,Kim, Jong-Ghee,Lee, Kyung-Yeol,Kim, Ju,Chung, Mi-Sun,Chung, Gook-Hyun,Lee, Jeong-Chae Elsevier 2006 european journal of pharmacology Vol.529 No.1
<P><B>Abstract</B></P><P>The bioflavonoid quercetin is believed to play an important role in preventing bone loss by affecting osteoclastogenesis and regulating many systemic and local factors including hormones and cytokines. This study examined how quercetin acts on tumor necrosis factor-alpha (TNF-α)-mediated growth inhibition and apoptosis in MC3T3-E1 osteoblastic cells. Tritium uptake assay showed that a quercetin treatment accelerated TNF-α-induced inhibition of DNA synthesis in the cells in a dose-dependent manner. Both the 3-(4,5-dimethylthiazol-2yl-)-2,5-diphenyl tetrazolium bromide and trypan blue staining assays also showed the quercetin-mediated facilitation of TNF-α-induced cytotoxicity in the cells. Apoptosis assays revealed an accelerating effect of quercetin on TNF-α-induced apoptosis in MC3T3-E1 cells. In addition, Fas activation and poly (ADP ribose) polymerase cleavage are thought to be closely associated with the TNF-α-induced apoptosis and its acceleration by the quercetin treatment in the cells. Collectively, this study showed that quercetin accelerates the TNF-α-induced growth inhibition and apoptosis in MC3T3-E1 osteoblastic cells.</P>