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( Myung Jin Lee ),( Kye Hyung Kim ),( Jong Youn Yi ),( Su Jin Choi ),( Chung Jong Kim ),( Nak Hyun Kim ),( Kyoung Ho Song ),( Pyoeng Gyun Choi ),( Ji Hwan Bang ),( Wan Beom Park ),( Eu Suk Kim ),( San 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
In Vitro Antiviral Activity of Ribavirin Against Severe Fever with Thrombocytopenia Syndrome Virus Myung Jin LEE1, Kye-Hyung KIM1, Jongyoun YI2, SuJin CHOI1, Chung-Jong KIM1, Nak- Hyun KIM1, Kyoung-Ho SONG1, Pyoeng Gyun CHOI1, Ji-Hwan BANG1, Wan Beom PARK1, Eu Suk KIM1, Sang-Won PARK1, Hong Bin KIM1, Nam Joong KIM1, Myoung- Don OH1 Seoul National University College of Medicine, Korea1, Pusan National University School of Medicine, Korea2 Background: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease caused by a novel Bunyavirus, severe fever with thrombocytopenia syndrome virus (SFTSV). No effective antiviral therapy is proven yet, but clinical use of ribavirin (RBV) has been tried. We investigated the antiviral effect of RBV against SFTSV in vitro. Methods: To test for cytotoxicity of RBV, Vero cells were treated with different concentrations of RBV (3.90 to 500 μg/mL, two-fold dilution) and analyzed by cell viability MTS assay 48h post-infection. To determine antiviral activity of RBV against SFTSV, Vero cells were infected with SFTSV strain Gangwon/Korea/2012 at 100 TCID50 (50% tissue culture infective dose) per well in a 96-well plate, and RBV was added at the concentrations showing no or minimal cytotoxicity. Viral RNAs were extracted from the culture supernatants and quantifi ed using one-step real-time reverse transcription- PCR to amplify the partial large segment of SFTSV. Statistical analysis was done by one-way ANOVA with Tukey`s post hoc test. Results: Cytotoxicity due to RBV was not observed at RBV concentration =31.3 μg/ mL. Viral RNAs at 24h post-RBV treatment were reduced with increasing RBV concentrations (1-32 μg/mL), compared with those of mock-treated cells (P <0.01, Figure). Half maximal inhibitory concentration (IC50) of RBV was 3.69 μg/mL at 24h post-RBV treatment. Conclusions: Our study shows that RBV has antiviral effect against SFTSV in a dose-dependent manner. Further studies are required to evaluate the effi cacy of RBV in SFTS.
근대 실내 공간 구성원리의 한국적 변형에 관한 연구 : 김수근과 김중업 작품의 실내공간 분석을 중심으로
김은홍;남경숙 한양대학교 2007 韓國 生活 科學 硏究 Vol.27 No.1
Modernism Architecture in international style has made new spatial paradigm using steel and glass until 1900s. This paradigm influenced in indoor space was shown to Works of four great masters, Mies van der rohe, Le Corbusier, Aalvar alto, Frank L. Wright, and some characteristics are found in four great masters' works in common. These characteristics are simplicity of spatial form, usefulness and functionality of design, openness of indoor space, Total design, internal and external interpenetration. These are shown in interior space of Korea modern architecture as changing their conditions. This study drives at what major characteristics changes the way of proper transformation and adaption in two modern architect of Korea, Kim Swoogeun and Kim Chungup as according to modern architecture principals. Some controlling principles are found out in their works, and the ways of transformation and adaption are analogy with its special occasion of Korea.
김석동,김광겸,김동일,김우성 호서대학교 반도체제조장비국산화연구센터 2000 반도체 장비기술 논문집 Vol.2000 No.-
본연구에서는 FPD 스토커 유틸리티 데이타 베이스부분과 이와 관련한 Registry system을 집중적으로 분석하여 FPD 스토커 유틸리티 설계에 관한 여구를 수행하였다. GUI를 통해 윈도우 환경에서 구성하기 위해 MFC(Microsoft Foundation Class)의 멀티플(Mutiple) 다큐멘트(Document)/뷰(View), 즉 MDI 구조를 사용하였다. 어플리케이션에서 사용되는 데이터를 관리하는 다큐멘트와 다큐멘트의 내용을 사용자에게 보여주는 역할과 사용자로부터 발생된 이벤트를 처리하는 부분으로 구성하였다. GUI가 실행되어 메인 쓰레드(Main Thread)가 만들어 지면 모든 데이터베이스 조작들과 모든 다큐멘트/뷰 상호작용을 처리되며다음과 같이 수행하였다. 1) 데스크탑(Desktop)매니저 생성 2) 메시지 버스를 담당하는 메시지 버스 쓰레드를 생성 3) 레지스트리(Registry)의 데이터를 이용하여 설정 4) 데이터베이스 초기화 스토커(Stocker) 그래픽 사용자 인터페이스(GUI)는 기계 조작자가 쉽고 편하게 Material의 저장과 검색을 할 수 있도록 엔진(Engine)르 가지고 통신하는 어플리케이션을 개발하였다.
노치 형상 및 냉각속도에 따른 Zr-2.5Nb 압력관의 DHC거동
김상재,김영석,임경수,김성수,정용무 대한금속재료학회 2003 대한금속·재료학회지 Vol.41 No.1
The objective of this study is to investigate the delayed hydride cracking (DHC) velocity and the incubation time for the water-quenched and furnace-cooled Zr-2.5Nb tube with the different radius of a notch tip. DHC tests were carried out at constant K_1 of 20 MPa√m and 250℃ on the cantilever beam (CB) specimens subjected to furnace cooling or water quenching after electrolytic charging with 57 or 72 ppm hydrogen, respectively. An acoustic emission sensor was attached to the CB specimens to detect the incubation time before the start of DHC. The shape of the notch tip changed from the fatigue crack to the dull crack with its radius ranging from 0.1 to 0.15 mm. The DHC incubation time increased remarkably with the increasing radius of the notch tip, which appeared more strikingly on the furnace-cooled CB specimens than on the water-quenched ones. However, both furnace-cooled and water-quenched CB specimens indicated little change in the DHC velocity with the radius of the notch tip unless their notch tip exceeded 0.125mm. These results demonstrate that the uncleation rate of hydrides at the notch tip determines the incubation time and the DHC velocity becomes constant after the concentration of hydrogen at the notch tip reaches the terminal solid solubility for dissolution (TSSD). This observation agrees well with Kim's DHC model. A difference in the incubation time and the DHC velocity between the furnace-cooled and water-quenched specimens is discussed in terms of the uncleation rate of hydrides at the notch tip and the hysteresis of hydrogen solubility.
김형석,박경선 慶熙大學校 地球環境硏究所 1998 지구환경논문집 Vol.9 No.-
Abstract The contents of heavy metals in korean groundwater was studied with ICP-AES. Ultrasonic nebulizer was used to analyze Cd, As, Pb, Cr6+, Se, Zn, Fe, Mn, Al, Cu and vapor generation accessory was used to analyze Hg in this study. The number of total samples was about 260 including 130 drinking water, 110 domestic water, 16 industrial water, 3 agricultural water. Only Al, Mn, Cu, Zn, Fe were detected in drinking water among the parameters of Cd, As, Pb, Cr6+, Se, Zn, Fe, Mn, Al, Cu, Hg and the other metals were not detected. The mean value of above five metals in drinking water was Al 0.076ppm, Zn 0.0697ppm, Mn 0.0443ppm, Cu 0.0102ppm and Fe 0.0035ppm. The parameters of Cd, As, Pb, Cr6+, Hg in domestic water industrial water and agricultural water were not detected in most samples. The mean value of Cr6+ in domestic water was 0.00075ppm and Cd was 0.00055ppm. The proportion of outside standard in groundwater was 3.1%. It shows that the proportion of outside standard sample in drinking water was 5.4% and domestic water was 0.9%. Among the analytical results, Mn was exceeded standard 5 times, Al was 3 times, Zn and Cr6+ were 1 time each. Cr6+ was found in domestic water and the others were detected in drinking water.
시스템 다이내믹스를 이용한 간호단위별 간호인력 산정에 관한 연구
김문실,성영희,권경자,김도형,김정아,신덕신,유인자,유재국,이현숙 병원간호사회 2006 임상간호연구 Vol.11 No.2
Purpose: The purpose of the study was to forecast manpower by building the nursing manpower-staffing model(surgical-medical nursing unite). Method: The system dynamics approach was adapted to build a simulation model for calculating medical-surgical nursing manpower-staffing. The model was built up on Venism 5.0b DSS. Result: The results in the basic circumstance are in following. The level of nursing service quality, patientsatisfaction, and nurse job satisfaction maintains higher at medical-surgical nursing unit of the tertiary hospitals with the ratio of bed to nurse 2.5:1-3.0:1 than at any other situations. The level of nursing service quality, patient satisfaction, and nurse job satisfaction maintains higher at madical nursing unit of the secontary hospotals with the ratio of bed to nurse 3.0:1 and at surgical nursing unit of the secondary hospitals with the ratio of bed to nurse 3.0:1-3.5:1 than at any other situations in the fundamental from. The results in the simulation circumstance are in following, As author raises the operating rate of bed into 95-100%, and cut skilled nursing staff down, the level of nursing-service quality, patient satisfaction, and nurse job satisfaction drops slightly. Conclusion: In terms of economic efficiency on tertiary hospotals, the ratio of bed to nurse for the best reasonable medical-surgical nursing manpower-staffing is 3.0:1. In terms of economic efficiency on secondary hospitals, the ratio of bed to nurse for the best reasonable medical nursing manpower-staffing is 3.0:1 and surgical nursing manpower-staffing is 3.5:1
S.I. 엔진의 써모스텟인자가 엔진 냉각수온도에 미치는 영향
김물시,원종필,박경석 慶熙大學校 大學院 1993 高凰論集 Vol.12 No.-
This paper reviews the need for engine cooling to maintain stable working and engine performance. It is well known that the quantity of emissions, fuel consumption and torque are affected by engine temperature for an automotive engine. Coolant temperature is measured at some locations. Parameters which are necessary for the optimum design of thermostat to maintain the best engine performance are determined. And factors that cause coolant temperature unstable are determinded. The duration of hunting phenomenon(unstable coolant temperature variation) is studied.