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Gliotoxin ameliorates TNBS-induced colitis through regulation of NF-kB, and up-regulation of HO-1
김상욱 ( Kim Sang Ug ),( Jay Min Oh ),( Yeon Hwa Kim ),( Jung Moo Hur ),( Kyo Sang Yoo ),( Yong Sung Kim ),( Joo Jin Yeom ),( Tae Hyeon Kim ),( Suck Chei Choi ),( Chang Duk Jun ),( Yong Ho Nah ) 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
<Background & aims> During inflammation in colon, cells of the gut mucosa produce or express various inflammatory mediators, including IL-8, TNF-a and IL-1b, and intercellular adhesion molecule 1 (ICAM-1). These cytokines and chemokines have recently been
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
Sports Massage에 따른 혈액성분 변화에 대한 연구
성영호,이석영,권지윤 龍仁大學校 體育科學硏究所 1997 體育科學硏究論叢 Vol.7 No.1
The objective of this study was to determine if sports massage exert influence upon change of blood ingredient. 1) R.B.C is exposed that the mean value of rest before a surgical operation is 487, and after taking exercise 528. The mean value of rest after a surgical operation is 500, and after taking exercise 563. 2) W.B.C is exposed that the mean value of rest before a surgical operation is 7.610㎎/㎗, and after taking exercise 8.574㎎/㎗. The mean value of rest after a surgical operation is 8.718㎎/㎗, and after taking exercise 9.717㎎/㎗. 3) Hematocrit(Hct) is exposed that the mean value of rest before a surgical operation is 44.11㎎/㎗, and after taking exercise 47.1㎎/㎗. The mean value of rest after a surgical operation is 46㎎/㎗, and after taking exercise 51.7㎎/㎗. 4) Hemoglobin(HB) is exposed that the mean value of rest before a surgical operation is 14.4㎎/㎗, and after taking exercise 15.2㎎/㎗. The mean value of rest after a surgical operation is 15.4㎎/㎗. and after taking exercise 16.5㎎/㎗. 5) Albumin(ALB) is exposed that the mean value of rest before a surgical operation is 4.5㎎/㎗. and after taking exercise 4.8㎎/㎗. The mean value of rest after a surgical operation is 4.7㎎/㎗, and after taking exercise 5.1㎎/㎗. 6) Cholesterol is exposed that the mean value of rest before a surgical operation is 129㎎/㎗. and after taking exercise 140㎎/㎗. The mean value of rest a surgical operation is 14㎎/㎗, and after taking exercise 152㎎/㎗.
하석호,김현문 대한방사선 방어학회 1991 방사선방어학회지 Vol.16 No.2
감마선 조사선량의 국가표준을 확립하기 위하여 Co-60 감마선에 대한 조사선량을 절대측정을 수행하였고 그 값이 갖는 오차한계를 분석 평가하였다. 측정기로는 고순도 흑연으로 제작된 원통형 이온전리함을 사용하였고 이온화 전류 측정은 vibrating reed 증폭기를 사용한 전하모드법에 의해 수행되었으며 관련 물리상수 및 각종 관련 보정인자를 평가하여 이온화 전류 측정값으로부터 조사선량률을 결정하였다. Measurement of Co-60 gamma rays has been made for establishment of exposure standard and analyze it's overall uncertainties. Exposure rate determined by the charge mode method using vibrating reed amplifier with cylinderical type cavity chamber. The values of a variety of physical constants and the correction factors are evaluated. The resulting exposure rate is 690.81 R/h at the distance of 1 m from the source and the related uncertainties is ±0.8%.
하석호,김정묵,육종철 대한방사선 방어학회 1991 방사선방어학회지 Vol.16 No.2
외삽형 전리함을 사용하여 90Sr+90Y(1.65mCi) 베타선원에 대해 교정점 30cm 거리에서 조직표면의 흡수선량을 측정하였다. 이때 흡수선량 측정에 영향을 주는 유효단면적, 입사창 감쇠율, 극성효과, 이온 재결합율 등의 보정인자를 분석하였다. 이들 인자를 보정한 후의 조직표면의 흡수선량은 1.4939μGy/sec(±2.9%)로 평가되었다. Beta ray(90Sr+90Y) absorbed dose at tissue surface was measured from the distance of 30cm by use of extrapolation chamber. In the measurement, following factors were considered : effective area of collecting electrode, polarity effect, ion recombination and window attenuation. The measured absorbed dose rate at tissue surface was 1.4939μGy/sec with ±2.9%.
수도용 강관의 용접성에 관한 연구(제2보) : 용접부의 잔류응력 해석 Analysis for residual stress of the weldments
이영호,이규천,나석주 충남대학교 공업교육연구소 1995 論文集 Vol.18 No.1
In this study, the analysis of residual stresses of the weldments were carried out to evaluate the safety of the steel welded pipes using a finite element method for the butt-weld joint and the lap-weld joint. On the other hand, to compare the analytic results with actual ones, the residual stresses were measured experimentally. The main conclusions can be summarized as follows ; 1. It was appeared that the tensile residual stresses were distributed in the weldment and the maximum tensile strength was about 50 ㎏f/㎟ which was the same level of the yielding strength in base metal. 2. In case of the butt-welded joint, the value of tensile strength decreased with increasing the distance from the weld metal or fusion line. On the othe hand, it was appeared that the compressive strength exsisted in the weld-bead. 3. The measurement value of maximum residual stress in the welding direction was 9.2㎏f/㎟ and was much lower than that of the theoretical analysis.
특정적 광과민성 피부증상 없이 우울증으로 입원한 전신성 홍반성 낭창 1례
최석채,이상열,박민철,나용호 圓光大學校 醫科學硏究所 1998 圓光醫科學 Vol.14 No.2
We experienced a 22-years-old female patient with systemic lupus erythematosus (SLE) who was admitted with major depressive disorder symptoms such as a depressive mood, loss of appetite, weight loss, insomnia, and fatigue. She did not show any characteristic photosensitive cutaneous symptoms of SLE when she came to the hospital. Antidepressants and psychotherapy under hospitalization did not show any improvements in her depressive symptoms. Her past history revealed Raynaud's phenomenon and arthralgia, leukopenia, normochronic normocytic anemia and elevated erythrocyte sedimentation rate were detected on her routine laboratory examinations. We considered an autoimmune connective tissue disease and performed specific hematologic and immunologic tests. We confirmed that her systemic symptoms and results of specific tests were fitted to a case of SLE, so we started prednisolone medication. After treating the patient with prednisolone for 2 weeks, her psychiatric and systemic symptoms of SLE were improved. We concluded that psychiatrists have to pay attention to SLE that can manifest depressive symptoms without characteristic photosensitive cutaneous symptoms of SLE.
홍성호,오석환 대한상하수도학회 2002 상하수도학회지 Vol.16 No.2
A coagulation was applied to separate the solid and liquid from waste CMP generated from the CMP process. Three different coagulants - PACl, MgCl_2 and Ca(OH)^2 was used to find the best coagulant and optimum condition of each coagulant for water and solid recovery. When the solid content was 0.lwt%, the adequate flocculation speed was 10 to 30 rpm for PACl. However, the flocculation speed was not critical for MgCl_2 and Ca(OH)_2 at any dosage. Minimum sedimentation time was 30 minutes to get less than 1NTU of turbidity, the sludge volume was 10 to 15% and 50 to 55% for 0.1wt% and 0.5wt% of waste CMP slurry, respectively. According to the experimental results such as turbidity, zeta potential and heavy metal concentration in the supernatant PACl was the best coagulant for water recovery.