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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.
부산지역 무균성 뇌막염 원인 바이러스의 분리 및 동정 : 1998년을 중심으로
김영희,정영기,김기순,지영미,윤재득,김병준,구평태,민상기,정구영,김만수,조경순 동의대학교 기초과학연구소 2000 基礎科學硏究論文集 Vol.10 No.1
The incidence of aseptic meningitis infection is ensuing and threatening the health of children. Enteroviruses are the major agents of aseptic meningitis and identification of virus has been a clue to diagnosis and epidemiology. The outbreak of aseptic meningitis occurred in Pusan, 1998. Patients were concentrated from April through November. Children were more susceptible than adults. Among 306 cases of specimens from stool, throat swab tested, only 7.2% were positive on virus isolation, 12 cases from stool and 10 from throat, respectively. All isolated 7 serotypes of viruses represented cytopathic effect on cultured cells. Three types of echovirus 6, 25, 30 and coxsackievirus B2, B3, B4, B6 were identified by neutralizing anti body test. Isolated coxsackievirus and echovirus were observed by an electron microscope with negative staining.
김재득,최자현,엄정섭 경북대학교 사회과학대학 지리학과 2005 地理學論究 Vol.- No.24
본 연구는 Web GIS를 이용하여 사이버 대가야 박물관을 구축하는 것으로서, 사용자가 쉽게 접근하여 원하는 역사유적자료를 검색하고 출력할 수 있도록 하는 것이다. 시스템 구축방법은 현장조사를 통한 속성자료와 지형도를 이용하여 사용자 중심의 인터페이스를 구현하고 기존의 정적인 유적검색시스템을 동적으로 변화시켜 다양한 공간정보검색과 속성 및 공간정보 질의 기능을 가능하게 하였다. 본 시스템은 다음과 같은 특징을 가지고 있는데, 첫째, 속성자료의 표현이 인터넷상의 지도에 직접적으로 가능하다. 둘째, 다양한 공간질의 및 검색이 가능하여 동적인 서비스를 제공해 준다. 셋째, 역사유적 자료와 함께 시설자료도 함께 구축하여 서비스하게 되었다. 이와 같은 시스템은 향후 지자체의 관광 및 홍보에 적극적으로 이용될 것으로 사료되며 하나의 시스템에 다양한 지역의 지도서비스가 가능하므로 비용적인 측면에서 우위를 가질 수 있다. The aim of this study is to construct Cyber Daegaya Museum using web GIS for inhabitants. Many users can access the system easily and search the historical monument data. This system is developed the interface to centers round users using the topological map, attribution data from fieldwork. It can be possible to search the various spatial information and querry the spatial information as transfer the static system to the dynamic system. The characteristics of system are as follows : First, the attribution data is displayed directly on the map. Second, it serves the dynamic service such as querry and search function. Third, it serves the facility information as well. Developed system as above, is used by means of travel information and promotion, can serve the map services of many region. so this system gets the advantage economically.
폴리에스테르계 메디아를 이용한 염색폐수처리에 관한 연구
김선덕,이선하,김재현 大邱大學校附設 基礎科學硏究所 1997 基礎科學硏究 Vol.14 No.1
Dyeing wastewater, BOD 1,742mg/ 2 , CODMr, 517mg/ 2 was treated polyester-media process, BOD removal efficiency was 55% in 30% of packing ratio. In case of activated sludge process BOD removal efficiencies were 82%, 87% and 90% in the hydraulic retention time of 17hr, 24hr and 35hr, respectively, in case of polyester-media process were 96%, 97.5% and 98.3%, respectively. In case of activated sludge process COD,,,, removal efficiencies were 25.7%, 49.2% and 51.8% in the hydraulic retention time of 17hr, 24hr and 35hr, respectively, in case of polyester-media process were 62.5%, 72.9% and 77.1%, respectively. T-N removal efficiencies in case of hydraulic retention time of 35hr were 80% and 87.9% in activated sludge process and polyester-media process, respectively. Color removal efficiencies in case of hydraulic retention time of 35hr were 44.9% and 68.8% in activated sludge process and polyester-media process, respectively.
개교환자에 있어서 Digital Sound Spectrograph를 사용한 음향 음성학적 비교연구
오득재,이환수,김오환 全北大學校 齒醫學硏究所 1993 전북치대논문집 Vol.11 No.1
The purpose of this study was to comparing the speech of openbite patients with normal adults and taking the fundamental data for comparing changes in post-orthognathic surgery state. Studies in speech changes of orthognathic surgery have been examined by subjective evaluation. Thus we were taken the objective results using a digital sound spectrogaph with computer-based speech analysis system. One experimental group and one control group were used for this study. They were respectively composed of six openbite patients and ten normal adults with Angles' classification Ⅰ. The results were as follows : 1. In openbite patients, Articulatory positions are formed posteriorly in pronouncing the vowel sounds. 2. Low articularoty sounds were shown in tone color(bandsidths of the first, second formants) of speech of openbite patients. 3. There was no forming the pronouncing constriction remarkable in fricative sound of openbite patinets. 4. There was the delay appearance of articulation reaction time to enlargement of total duration, vowedl duration in openbite patients.
패혈증 백서 모델에서 TNF-α와 지질과산화에 대한 Tetracycline의 효과
오득재,김오환 대한악안면성형재건외과학회 2002 Maxillofacial Plastic Reconstructive Surgery Vol.24 No.1
SIRS (systemic infalmmatory response syndrome) is an unresolved problem,. in which systemic cellular injury is induced by the inflammatory cells. In SIRS, TNF-α plays a key role as a mediator of inflammation and toxic oxygen radicals are known to be final effectors of stimulated leukocytes. Tetracycline (TC) is a broad-spectrum antibiotics which is effective to periodontitis and oral infections. There have been several reports on the non-antimicrobial effects of TC, such as the antioxidant effect and the TNF-α suppression effect. But the in vivo effect of TC on TNF-α production and peroxidation damage has not yet been elucidated exactly. This experiment is designed to evaluate the effects of TC on TNF-α production and lipid peroxidation in sepsis. Female Sprague-Dawley rats were divided into three groups : a control group, a group injected with TC, and a group injected with gentamicin (GM). Sepsis model was made by making large subcutaneous abscess in the back skin of the rats. After sacrificing five rats of each group at intervals of 24 hours and 48 hours after abscess formation respectively, the biochemical assays of malondialdehyde (MDA) levels, superoxide dismutase (SOD) activity and catalase activity in liver and lung tissue and TNF-α level and nitrate/nitrite level in serum were performed, and histological findings of liver and lung tissue were examined microscopically. Conclusively TC has a definite protective effect against lipid peroxidation and antioxidant enzyme exhaustion in sepsis, and has a tendency to suppress the nitric oxide secretion in sepsis. Unexpectedly TC has a tendency to augment TNF-α production in sepsis, which suggests no direct relation between TNF-α and oxygen radical production or nitric oxide production. Further evaluation is necessary to explain the mechanism.
일부 시판세치제의 비교치아마모도 및 경과시간에 따른 유효불소농도변화에 관한 연구
장덕수,이병진,배광학,방금석,이원재,노정,백대일,김종배 대한구강보건학회 2003 大韓口腔保健學會誌 Vol.27 No.3
The purpose of this study was to assess relative tooth abrasivity and to measure effective fluoride concentration of dentifrices selling in Korea for help consumer's selection of suitable dentifrice. Assessment of the abrasion on tooth produced by different dentifrices were carried out on bovine teeth in the laboratory and tested by radioactive dentin abrasion method. And total soluble fluoride concentrations within the dentifrices was determined using fluoride ion selective electrode with standard curve obtained from standard solutions of known fluoride concentration. 10 dentifrice samples were stored at 49t for 15 weeks and the measurements were made for each dentifrice in 1 week, 2 weeks, 3 weeks, 13 weeks and 15 weeks and 11 dentifrice samples were stored at 40.6C for 3 weeks and the measurements were made for each dentifrice in 1 week and 3 weeks. Tooth abrasivity of selling dentifrices is suitable for toothbrushing but dentifrice which recommended for patient who have tooth abrasion or erosion was somewhat high abrasivity level. Effective fluoride concentrations of selling dentifrices were maintained generally optimal level. But some dentifrices contaning CaCO_(3), as abrasive were decreased as time elapsed. It was suggested that relative tooth abrasivity must be marked on package and fluoride level should be maintained acceptable level in dentifrices for consumer's selection of suitable dentifrice.