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      • 레트로바이러스의 표면단백질 : 인슐린의존형 당뇨병의 동물모델인 NOD 쥐의 혈청과 반응하는 새로운 자가항원 A New Autoantigen Reactive with Non Obese Diabetic (NOD) Mice Sera

        김경수,김기환,김현만,윤지원,강엽 아주대학교 1997 아주의학 Vol.2 No.2

        IDDM (Insulin dependent diabetes mellitus) is believed to be an autoimmune disease and characterized by the immune activation against insulin-producing pancreatic beta cell. The identification and characterization of new autoantigens reactive with an activated immune System would heip to elucidate the pathogenic mechanism of this disease. Several autoantigens are trying to apply for diagnosis and prevention of IDDM. The NOD (non obese diabetic) mice have been the best model for studying the pathogenesis of human IDDM. To identify new autoantigens reactive with activated humoral immunity of NOD mice, the lambda gt11 cDNA library was constructed from NOD-derived pancreatic beta cell (MIN6N8a: mouse insulinoma cell) and screened with prediabetic NOD sera. Mine positive dones were selected from 2x10^(5) phage plaques. The 5'-end sequencing and homology searching showed that six clones from nine clones had over 98% sequence homolgy with the retroviral envelope gene. Full sequendng reveated that the cloned gene was a fragment of ecotropic retrovirus (emv-3) envelope gene. To confirm the immunoreactivity of doned retroviral envelope protein, the cloned gene fragment was expressed in an E.coli expression vector System. Western blotting showed that the recombinant envelope protein fragment also reacted with prediabetic NOD sera.

      • One-time 라운딩을 갖는 DES소자

        김지은,노진수,이강현 조선대학교 에너지.자원신기술연구소 2002 에너지·자원신기술연구소 논문지 Vol.24 No.1

        Recent concerns about information privacy have enhanced the need for data security when storing information in a computer or transmitting it through data communication network. In this paper, we proposed the design DES(Data Encryption Standard) algorithm, which is regarded as a standard of encryption algorithm. We could design it by using of one-time ounging wit the implemental method, S-box sharing method, and the simple-round iterative method, and implement ASIC into simple-round iterative method have the smallest size and alternate to have a general purpose. Each part is designed in accordance with a type of the Top-down design using VHDL(Very high speed IC Hardware Description Language), this is designing technical language which is adopted as the international standard language, and. synthesized.

      • KCI등재

        한국인 정상교합자의 3차원 디지털 모형을 이용한 순,협측 치면 곡률

        채지현,송진욱,차정열,최정수,박영철 대한치과교정학회 2008 대한치과교정학회지 Vol.38 No.2

        본 연구는 한국인의 치아형태에 적합한 브라켓 베이스를 만들기 위해 임상 치관의 순, 협측 곡률을 3차원적으로 계측하여 치관의 곡률 자료를 얻고자 하였다. 정상적인 해부학적 형태를 가지는 구강모형 30쌍을 3차원 디지털 모델로 제작한 후, FA점을 기준으로 수평 기준면과 수직 기준면을 설정하였다. 이 기준면에 대한 치면의 곡선을 형성한 후, 곡률을 이차방정식의 계수로 표현하였다. 수평면과 수직면의 곡률과 FA점을 기준으로 근심과 원심, 치은측과 교합면측의 곡률을 측정한 결과, 상악견치와 상악 제2소구치 외에는 남녀간 치면 곡률의 유의한 차이가 없었다. 하악 측절치, 상악 견치, 상하악 제1, 2소구치와 제1대구치에서 근원심 또는 치은교합면측 치면 곡률의 유의한 차이가 관찰되었다 (P < 0.05). 본 연구에서 얻어진 순, 협측 치면의 곡률 자료는 한국인의 치아 형태에 적합한 Straight Wire Appliance 개발의 기초 자료로 활용될 수 있다. Objective: This study was performed to investigate the labio/buccal clinical crown curvatures of Korean permanent teeth and to obtain the curve-ratio data in an attempt to fabricate bracket bases fit for each individual Korean permanent tooth. Methods: Three-dimensional digital models were made from 30 sets of dental casts with normal anatomic structures. According to the FA points, horizontal and vertical reference planes were established and lines were drawn on the tooth surfaces in reference to these planes. The curvature was expressed as the coefficient of a quadratic equation. Lines mesial, distal, gingival and occlusal to the horizontal, vertical reference planes and the FA point were drawn. Results: The curvature measured for each line revealed that there are no significant differences between male and female, except for maxillary canines and maxillary second bicuspids (P > 0.05). There were notable differences in the mesio-distal or gingivo-occlusal curvatures among the mandibular lateral incisors, maxillary canines, maxillary and mandibular first and second bicuspids and first molars (P < 0.05). Conclusions: The labial & buccal crown curvatures of teeth in Korean normal occlusion were measured on the mesial and distal, gingival and occlusal sides respectively in this study. Based on these data, a SWA can be developed to fit the individual features of Korean tooth crowns.

      • KCI등재후보

        그리기 활동을 통한 초등학생들의 환경에 대한 인식 분석

        위수민,이승철,김윤지,김현정 韓國敎員大學校 敎育硏究院 2008 敎員敎育 Vol.24 No.2

        이 연구는 초등학교 6학년 학생의 환경 인식은 어떤 특징을 가지고 있으며,학생이 생활하는 지역에 따라 환경 인식은 어떤 차이가 있는지를 알아보고자 하였다. 광주광역시와 경기도에 위치한 5개교 10학급 340명을 대상으로 환경에 대한 그리기 활동과 그림에 대한 설명 그리고 그림에 등장하는 환경 요소를 분석하여 학생들의 환경 인식을 확인하였다. 연구 결과,환경에 대한 인식은 인공 환경,자연 환경,인간 공존 환경,추상적 환경으로 표면화 되었으며,생물과 무생물 및 인공물을 포함한 다양한 환경 요소들올 표현하여 학생들의 일상적인 생활 주변의 환경 요소에 대한 높은 인식이 드러난 것으로 보인 다. 5 유형으로 구분한 거주 지역별 학생들이 갖는 환경 인식은 유의미한 차이를 보이지 않았고 인공 환경으로 인식하는 경우가 일반적이었다. The present study purposed to examine the charactehstics of sixth-graders'perception of the environment and difference in their perception of the environment according to area. For this study, we surveyed the perception of the environment in 10 classes 340 students from 5 elementary schools in Gwangju and Gyeonggi do by analyzing their environment related drawing activities, their explanations about their drawings, and environmental elements appearing in the drawings. According to the results of this study, sixth-graders'perception of the environment were described by artificial environment, natural environment, environment in which people live together, and abstract perceptions. In addition, they expressed various environmental elements such as living things, lifeless things and artificial things, and this shows their high perception of environmental elements around them. What is more, the sixth-graders from five different areas did not show any statistically significant difference in their perception of the environment, but perception as artificial environment was more general among the students.

      • 단일 화면에 의한 인체 자세 파악에 대한 연구

        林鉉敎,李智秀 金烏工科大學校 1987 論文集 Vol.8 No.-

        The stereophotogrammetry technique using double camera concerns the acquisition of exact coordinates of objects. But it criticized that the initial installation cost is high, and calibration and reconstruction procedure is tedious. For the analysis of human postures in sitting work, however, global understanding of coordinates is sufficient. In this paper, a new method using single camera is proposed. This technique is simple, needs low installation cost, and applicable to the analysis of human postures in sitting work, if several pruning rules are available which are appropriate to the characteristics of work.

      • KCI등재후보

        신부 이미지에 따른 웨딩메이크업 트렌드 분석-2016∼2019년 웨딩잡지를 중심으로-

        이도현(Do-Hyeon Lee),한지수(Ji-Soo Han) 한국화장품미용학회 2020 한국화장품미용학회지 Vol.10 No.1

        Since the 2000s, weddings have become smaller and smaller, like simple small weddings or self-wedding, without formality and vanity. Thus, the trend change in the domestic marriage culture and the wedding style favored by women is evolving with the changes of the times. In 2015, Won Bin-Lee Na-young, Bae Yong-joon and Park Soo-jins wedding was promoted to the public by choosing a small wedding ceremony to save money and spend meaningful time. A small wedding has been a concern among couples preparing for the wedding since 2016. Ten fashion and beauty experts and wedding experts discussed the brides appearance in the Wedding 12 magazine into six types. It was classified into natural, romantic, elegant, kinship, masculine and enchanting styles. The study analyzed wedding makeup by exploring changes in wedding styling according to wedding trends around 2016, when small weddings were popular among brides. The analysis showed that the image of preferred brides varied with changes in the year and season, and this study was significant because it was aimed at presenting meaningful practical data on how wedding make-up was expressed in total styling.

      • KCI등재
      • 전형적인 DISIDA scan 소견의 Rotor 증후군 1예

        황의태,염동한,권지혜,임종주,최창수,김태현,김학철 圓光大學校 醫科學硏究所 2008 圓光醫科學 Vol.23 No.2

        만성의 비용혈성 직접형 고빌리루빈혈증은 Rotor 증후군과 Dubin-Johnson 증후군의 특징적인 소견으로, Rotor 증후군은 드문 양성 유전성 질환이며, Dubin-Johnson 증후군과 감별을 필요로 한다. 본 저자들은 황달을 주소로 내원한 26세 남자 환자에서 고빌리루빈혈증에 대한 검사를 시행하여 담도폐쇄 소견없이 간담도 스캔상 전형적인 Rotor 증후군의 소견 즉, 강한 심장 배후방사능이 지속되면서, 간담도계의 조영은 지연 촬영에서도 관찰되지 않으며 신장으로의 배설이 계속 관찰되는 특징적인 소견과 정상 간조직 검사 결과로 Rotor 증후군으로 진단한 1예를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. Chronic nonhemolytic conjugated hyperbilirubinemia characterizes both Rotor and Dubin-Johnson syndromes. Rotor syndrome is a rare, benign familial disorder and needs to be differentiated from Dubin-Johnson syndrome. Cholescintigraphy is a simple and informative procedure for the diagnosis, which can differentiate Rotor syndrome from Dubin-Johnson syndrome. A 26-year-old man was admitted due to asymptomatic persistent jaundice. Physical examination revealed icteric sclera without hepatosplenomegaly. Laboratory findings showed increased serum bilirubin with direct bilirubinemia. Markedly decreased hepatic uptake and poor visualization of the gallbladder and biliary tract were shown in ^(99m)Tc-DISIDA scan. Histology of the liver showed no diagnostic abnormality without pigmentation. But, we report a case of Rotor syndrome that showed characteristic cholescintigraphic findings with normal urinary total coproporphyrin excretion.

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