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서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
김동익,김덕경,허세호,이병붕,김용신,김은숙,문지영,도영수,신성욱,김동수,김만태,진재욱,김용신 대한혈관외과학회 2002 Vascular Specialist International Vol.18 No.1
As medical technology progresses rapidly, there is a rise in the average age along with the Korean dietary lifestyle becoming more westernized, which leads to an increase in the number of vascular disease patients in Korea. Thus, we need to manage the medical information of a disease systematically in order to diagnose and treat constructively. However, since there has been no standardized method of man agement to date, a great deal of information could not be properly utilized nor studied. Therefore, the departments of Cardiology, Radiology and Neurology of Samsung Seoul Hospital recently got together to develop an information management system called the Vascular Data System. This program was developed to be run on win98 O/S, upper Pentium Ⅲ, and upper 128 MB Memory, and its source code is Dephi 4.0. It was configured for the user to set the configurations as well as do a variety of search and analysis. If this program were to be updated continuously, it may be used extensively as well as in various parts of clinical research activities.
문창기,박상준,조민구,김영중,김소연,김윤권,정준오,안석진,김은실,서승오,김지훈,최원제,이윤영,박형기,최규영,김현근 대한감염학회 2006 감염과 화학요법 Vol.38 No.6
Background: The purpose of this study was to document the incidence and clinical characteristics of patients with tuberculosis (TB) in combat and auxiliary police, living in a group, in Korea where the incidence rate of active TB in a general population is higher than in Western countries. Materials and Methods:We retrospectively reviewed the medical records of all tuberculosis patients diagnosed at National Police Hospital from January 2002 through December 2004. Results:In 2002-2004, a total of 156 cases of tuberculosis were identified with the mean (Standard deviation) age of 20.6 (±1.0) years. Of these, 134 (85.9%) patients were registered as new cases, 11 (7.1%) as relapse, 2 (1.3%) as failure, 5 (3.1%) as treatment-after-default cases whereas 4 (2.6 %) patients were not included in any categories. Average annual new TB rate and smear-positive TB rate were 86.5/10^(5) and 17.4/10^(5) person-years, respectively. In 12 of 31 smear-positive cases, time from onset of symptoms to diagnosis was more than 30 days. Two multidrug-resistance TB cases were identified and two suspected outbreak episodes of TB had occurred during 3 years. Conclusion:There was no statistically significant difference in the incidence rate of new cases of TB between the general population aged 20 to 29 years and combat and auxiliary police in Korea. 배경 : 국내 결핵의 발생은 감소 추세에 있으나 여전히 후진국형 발생양상을 보이고 있다. 특히 집단생활을 하는 젊은이들에서 발생하는 결핵의 유행이 간헐적으로 알려지고 있어 우려를 낳고 있다. 이에 저자들은 최근 전경대원의 결핵 발병 양상에 대해 알아보고자 본 연구를 시행하였다. 재료 및 방법 : 2002년 1월부터 2004년 12월까지 3년간 경찰병원에서 결핵 진료를 받은 전경대원의 의무기록을 후향적으로 분석하여 연도별 결핵 신환발생률, 도말양성결핵 신환율, 진단 지연, 집단발병, 다제내성결핵을 조사하였다. 결과 : 연도별 결핵 신환자 수(10만명당 발생추정치)는 2002년 50명(83.6명), 2003년 42명(83.7명), 2004년 42명(93.5명)이었고 도말양성 폐결핵 신환자 수는 2002년 10명(16.7명), 2003년 11명(21.9명), 2004년 6명(13.4명)이었다. 3년간 도말양성 폐결핵 환자는 31명이 있었고 그 중 12명은 호흡기 증상 발생 30일이 지나서 진단을 받았다. 다제내성 결핵은 2명이 있었으며 결핵의 집단발병이 의심되는 사례는 2차례 있었다. 결론 : 전경대원과 20-29세 연령군 일반인의 결핵 신환발생률, 도말양성 폐결핵 발생률의 통계적으로 유의한 차이는 없었다.
김재홍,윤기범,박평원,김영진,전경민,김영태,김중환,곽호,구상완,송민석,유옥,지혜구,김동원,문상은,박영립,정승호,성범진,성순제,엄주용,황정열,이기홍,이주협,전태진 대한화학요법학회 1994 대한화학요법학회지 Vol.12 No.1
The prevalence of PPNG among pretreated gonorrhea cases isolated at the STD clinic of Choong-Ku Public Health Center in Seoul has been studied and reported annually since 1981. In 1991, 123 strains of N.gonorrhoeae were isolated, among which 58(47.1%) were PPNG. In 1992, 98 starains of N.gonorrhoeae were isolated, among which 51(52.0%) were PPNG. In all, 109(49.3%) strains were found to be PPNG among 221 strains isolated between 1991-1992. The prevalence of PPNG in Seoul showed increased tendency till 1989, thereafter, it has been stationary or slightly decreasing.
척수를 손상시킨 후 꼬리정맥에 주입한 사람탯줄혈액세포가 뇌줄기에 미치는 영향
김종중,정윤영,박영란,문영민,현영식,정영욱,문정석 朝鮮大學校 附設 醫學硏究所 2007 The Medical Journal of Chosun University Vol.32 No.1
Background and Objectives: Stem cells are a valuable resource for treatment of many disease, but limited access to stem cells in some organs such as brain restricts their utility. Many approaches have been attempted to restore the function following brain stem injury (BSI) and spinal cord injury (SCI). The use of the human umbilical cord blood cells (hUCB) - a rich source of nonembryonic or adult stem cells - has recently been reported to ameliorate the behavioral consequences of stroke. Mateiials and Methods: Forty rats were divided into 8 groups: (1) SCI l+hUCB (infused 1 day post injury); (2) SCI 2+hUCB (infused 2 days post injury); (3) SCI 3+hUCB (infused 3 days post injury); (4) SCI 4+hUCB (infused 4 days post injury); (5) SCI 5+hUCB (mfusedt 5 days post injury); (6) SCI 6+hUCB (infused 6 days post injury); (7) LO+hUCB (laminectomy+hUCB); and (8) LO (laminectomy only). SCI was produced by compressing the spinal cord for one minute with an aneurysm clip calibrated to a closing pressure of 50 g. We report here that immunhistotochemical identification of fluorescent hUCB positive cells in the brain stem after compressed spinal cord injury using mouse anti-human mitochondria monoclonal antibody (MAB1273). Results: All SCI+hUCB (1-8) groups contained fluorescent hUCB positive cells in the all area of the brain stem. But especially a large number of fluorescent hUCB positive cells were observed in the whole area of the brain stem of the experimental 5 (SCI 5+hUCB) and 6 (SCI 6+hUCB)groups. No hUCB positive cells were found in the brain stem of group with non-injured spinal cord of these animals and group with laminectomy only. Conclusion: These results suggest that hUCB are potentially useful as a vector for treating a variety of the central nervous system disorders, and we are sure that continuous of stem cell study will give an best opportunity to treat the uncurable disorders in the future.
Aspergillus candidus F1484 균주가 생산하는 항진균 화합물의 분리 및 특성
김성옥,이소영,김성규,손광희,김영국,문석식,복성해 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.5
Candida albicans의 효모형태에 대해 활성을 나타내는 항진균 물질의 탐색 중에 Aspergillus candidus F1484 균주의 발효액으로부터 항진균 화합물 F1484를 단리하고 ethyl acetate 추출, silica gel column chromatography, ODS column chromatography 및 preparative HPLC를 행하여 분리정제하였다. F1484 화합물은 EI-MS, ^13C-, ^1H-NMR, DEPT, HMQC 및 HMBC에 의한 구조분석을 행한 결과 이 화합물은 항진균 물질인 chloroflavonin과 동일한 구조를 나타내었으며 효모형태의 Candida albicans에 대한 항진균 활성뿐만 아니라 여러 종류의 인체 종양 세포주에 대해서도 세포독성을 나타내었다. In the course of screening for the antifungal compounds against Candida albicans, an antifungal compound (F1480) was isolated from the culture broth of Aspergillus candidus F1484. Isolation and purification of compound F1484 were performed using ethyl acetate extraction, silica gel column chromatography, ODS column chromatography, and preparative HPLC. The structure of compound F1484 was determined by the spectroscopic analyses of EI-MS, ^13C-, ^1H-NMR, DEPT, HMQC, and HMBC. This compound appeared to have a structure of antifungal agent, chloroflavonin. In addition to antifungal activities against the yeast phase of Candida species, compound F1484 showed cytotoxic effect against various human tumor cell lines.
비스듬히 입사하는 빛에 대한 다층박막의 광학적 투과 특성
김은일,홍사용,김영유,김문원 공주대학교 기초과학연구소 2000 自然科學硏究 Vol.9 No.-
비스듬히 입사하는 빛에 대한 다층박막의 광학적 특성을 조사하기 위해 특성 행렬을 세우고 여러 가지 경우에 대해 컴퓨터로 계산하였다. 계산은 FP와 DBR에 대해 수행되었고 다공질 규소의 실제적인 경우에 대해 시늉내기를 하였다. 그 결과 다층 박막은 특정 파장의 필터 역할 뿐 아니라 투과 빛에 대해 지향성을 갖게 하는 효과도 있다는 것이 밝혀졌다. To simulate optical characteristics of multi-layers, we set up transfer matrices and constructed a total transfer matrix and calculated reflectivity of a system. The simulation was conducted on Fabry-Perot(FP) and Bragg reflector(DBR). For each case, numbers of layers, index of refraction and its thickness were constant. And then it was observed reflectivity that due to changed various incident angles. As a result, a multi-layer film is effective in both selecting a specific wavelength and directionality of light.
이미지 데이터베이스를 위한 정보 검색 시스템의 설계 및 구현
김만순,오세봉,김미연,민은미,박미영,정문숙,문현수,김상욱 강원대학교 정보통신연구소 2002 정보통신논문지 Vol.6 No.-
This paper presents design and implementation of an information retrieval system for a large volue of an image database. Our system supports three kinds of queries: attribute-based queries, keyword-based queries, and color-based queries. The attribute-based query is the most-typical query that finds target images based on their attribute values. The keyword-based query is to find target images by referring to their description information their attribute values. Finally, the color-based query is to search for target images by comparing the colors of a query image with those of images in the database. In this paper, we presents the system architecture and approaches adopted in our system for supporting the above three queries effectively and efficiently. We also discuss the user interface of our system that enables users to manipulate our system easily and conveniently.