서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)

김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2

Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we 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 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.

한국인 직무 스트레스 측정도구의 개발 및 표준화

장세진,고상백,강동묵,김성아,강명근,이철갑,정진주,조정진,손미아,채창호,김정원,김정일,김형수,노상철,박재범,우종민,김수영,김정연,하미나,박정선,이경용,김형렬,공정옥,김인아,김정수,박준호,현숙정,손동국 大韓産業醫學會 2005 대한직업환경의학회지 Vol.17 No.4

Background and Purposes: Over the past three decades, numerous studies performed in Korea have reported that job stress is a determinant risk factor for chronic diseases and work disability. Every society has its own culture and occupational climate particular to their organizations, and hence experiences different occupational stress. An occupational stress measurement tool therefore needs to be developed to estimate it objectively. The purpose of this study is to develop and standardize the Korean Occupational Stress Scale (KOSS) which is considered to be unique and specific occupational stressors in Korean employees. Subjects and Methods: Data were obtained from the National Study for Development and Standardization of Occupational Stress (NSDSOS Project: 2002-2004). A total of 12,631 employees from a nationwide sample proportional to the Korean Standard Industrial Classification and the Korean Standard Occupational Classification were administered. The KOSS was developed for 2 years (2002-2004). In the first year, we collected 255 items from the most popular job stress measurement tools such as JCQ, ERI, NIOSH and OSI, and 44 items derived from the a qualitative study (depth interview). Forty-three items of KOSS, in the second year, were retained for use in the final version of the KOSS by using Delphi and factor analysis. Items were scored using conventional 1-2-3-4 Likert scores for the response categories. Results: We developed eight subscales by using factor analysis and validation process: physical environment (3 items), job demand (8 items), insufficient job control (5 items), interpersonal conflict (4 items), job insecurity (6 items), organizational system (7 items), lack of reward (6 items), and occupational climate (4 items). Together they explained 50.0% of total variance. Internal consistency alpha scores were ranged from 0.51 to 0.82. Twenty-four items of the short form of the KOSS (KOSS-SF) were also developed to estimate job stress in the work setting. Because the levels of the subscales of occupational stress were gender dependent, gender-specific standard norms for both the 43-item full version and the 24-item short form using a quartile for the subscales of KOSS were presented. Conclusion: The results of this study suggest that KOSS might be an appropriate measurement scale to estimate occupational stress of Korean employees. Further and more detailed study needs to be conducted to improve the validity of this scale.

키 프레임을 이용한 동영상 검색에 관한 연구

김희수,김형균,전병균,이호현 광주보건대학 2004 論文集 Vol.29 No.-

The primary goal of video parsing is to accurately detect fast/gradual scene changes to index the video data so that future retrieval may be performed efficiently. Due to the sheer volume of the video data, however, the goal of accurate detection must be met by some real-time (fast) automatic (or at least semi-automatic) video parsing mechanism. For this purpose, I have developed a fast algorithm to detect gradual scene change and also detect camera motions to reduce false positives (falsely declaring a scene-change). In this dissertation, we propose a new approach that detects the change of scene which contains fast motion, zooming, dissolve in AVI video sequence. The proposed scheme adopts the feature matching technique which ALH(Average of Luminance Histogram) in each frame with those in the previous frame. Experimental results show that the proposed method performs better in detection scene changes than other conventional methods.

MgO 버퍼층을 이용한 PZT 박막의 형성 및 특성 평가

김지미,전호승,강재경,최형봉,김철주 서울시립대학교정보기술연구소 2001 정보기술연구소 논문집 Vol.3 No.-

In this paper, we fabricated the MgO layer by sol-gel method and estimated possibility as a buffer layer for ferroelectric such as PZT. MgO(Magnesium Oxide) proposed as buffer layer of ferroelectric is already for much used as buffer layer in optic technology. There are many formation methods of MgO layer, but in this study, we selected the sol-gel method which is easy to control the content of material and possible for fabrication of uniform layer, then we formed thin layer through the composition of MgO and PZT solution, spin coating and annealing. To estimate the possibility as buffer layer about ferroelectric layer, we analyzed the physical and electrical characteristics about PZT on MgO layer.By SEM, AFM and XRD analysis, we could know facts that the surface condition of PZT on MgO was relatively smooth and the crystal orientation of PZT was enhanced by MgO layer. Due to the measurements of P-V, C-V and I-V characteristics of PZT/MgO capacitor structure, the polarization, fatigue and breakdown properties of PZT on MgO were much improved than those of PZT without MgO layer. Also, in MFIS structure, the PZT on MgO showed the stable memory property. These results could be compared to those of MgO buffer layer formed by sputtering, so, if studies about the composition of MgO solution and the formation of MgO layer are executed continuously, the fabrication process of MgO layer by sol-gel method can be applied as the process for buffer layer of ferroelectric.

조계종승려의 노후보장에 관한 연구

김형근,양철호 한국사회복지정책학회 2002 사회복지정책 Vol.15 No.-

세속의 욕구와 인연을 버리고 진리를 얻기 위한 수행에 모든 것을 바치는 조계종 승려들의 개인적인 안락이나 삶의 질에 대해 언급하는 것은 수행자들에 대한 모독일 수 도 있다. 그러나 종단차원의 노후보장 방안이 전무하기 때문에 퍼지고 잇는 물신주의를 타파하고 수행집단으로 거듭나기 위해서는 타종교나 종단처럼 일정 정도의 예우규정과 노후보장 방안의 수립이 요구된다. 1999년 조계종 총무언에서 실시한 '노후대책에 관한 설문조사'를 분석한 결과 승려들에 대한 의료서비스를 책임질 수 있는 종단과 본사 주도의 의료시설 설립, 승가복지분담금제도의 시행, 노승려에 대한 예우규정의 제정 등이 필요한 것으로 나타났다. 아울러 노인이면서 수행자인 노승려들의 특성을 고려하여 노후를 보낼 수 있는 거처의 마련, 생활비 및 품위 유지비의 지급 그리고 초발심 출가행자들의 지도를 통한 역할의 부여 등이 논의되었다. Holding a debate on daily life security or quality of life of monks who should be devoted to the practice of asceticism is meaningless. However, the monks tend to accumulate private property and build small, private temples for themselves due to the welfare of elderly monks is a neglected issue in the Chogye Order. In order to reform abuses the implementation of proper measures to improve the welfare of elderly monks are needed. According to "Primary survey for Monks' Welfare" conducted by The General Affairs Office of the Chogye Order in 1999, health care is the most needed service, followed by a welfare center for retired elderly monks. Here, they could practice asceticism and receive health care. As well the contribution of funds for the welfare of monks should be implemented and to establish a regulation of security for elderly monks.

차세대 신규 정보통신 서비스

김종일,김진철,조정호,민준식,이형옥 한국정보사회진흥원 2005 정보화정책 Vol.12 No.2

오늘날 정보통신 환경은 디지털 융합(Digital Convergence)으로 대표되는 유?무선 및 음성?데이터 통합, 방송?통신?인터넷이 하나로 융합되어질 전망이다. 이러한 정보통신 환경변화에 따라 VoIP, 인터넷방송, e-Learning, VOD, Multicast, T-Gov, M-Gov, IPv6, 위성 DMB 등 다양한 형태의 차세대 신규 정보통신서비스가 출현하게 되었다. 본 연구에서는 정보통신 환경의 변화에 따라 제공 가능한 차세대 신규 정보통신서비스를 정의하였다. 그리고 정의된 서비스를 무선랜과 무선인터넷, VoIP, DMB, e-Learning, M-Gov, IPv6, 텔레매틱스 등 7개영역으로 구분하여 그에 대한 개념과 해외 차세대 신규 정보통신 서비스의 구축 및 응용 사례를 조사하였다. 또한 해외 사례를 기반으로 국내의 공공부문 즉, 행정 분야, 의료 및 복지 분야, 재난관리 분야, 교통정보 분야에 적용 가능한 새로운 서비스를 제안하였다.

연 폭로가 남성호르몬에 미치는 영향

김형수,장성훈,이원진,최재욱,박종태,백남원,김록호 大韓産業醫學會 2001 대한직업환경의학회지 Vol.13 No.1

목 적 : 본 연구는 직업성 연 폭로근로자에서 연폭로가 남성 생식기계 독성중 성호르몬에 미치는 영향과 그 정도를 평가하고자 시도되었다.방 법 1998년 하반기에 실시한 일반, 특수건강진단자중 경기도 지역 직업성 연 폭로 근로자 33명과 과거 직업력에서 연 폭로가 없었던 사무직 근로자 33명을 연구대상으로 선정하였다. 연의 생물학적지표로는 혈색소, ZPP, 혈중 연, 및 요중 연을 이용하였으며, 성호르몬으로는 LH, FSH, testos-terone, SHBG 및 FTI를 이용하였다. 연 폭로 지표와 성호르몬과의 상관관계를 조사하였다. 결 과 : 연의 생물학적 지표중 혈색소는 폭로군에서 대조군보다 유의하게 낮았으며, ZPP, 혈중 연및 요중 연등은 폭로군에서 대조군보다 유의하게 높았다. 성호르몬에서 FSH, testosterone, SHBG및 FTI는 모두 폭로군에서 대조군보다 낮았으나 통계적 유의성은 없었다. 폭로군의 성호르몬중에서 연령은 FSH 및 FTI, ZPP는 FSH, 혈중 연은testosterone과 유의한 상관관계가 있었다. 대조군에서 연령은 FSH, testosterone, SHBG 및 FTI와 흡연량은 FSH와 유의한 상관관계가 있었다. 연령군별 폭로군과 대조군의 성호르몬 비교에서 30-39세군의 FTI에서 폭로군이 대조군보다 유의하게 낮았으며 그 밖의 호르몬에서는 모두 유의한 차이가 없었다. 결 론 : 연 폭로군의 FSH, Testosterone, SHBG 및 FTI가 대조군에 비교하여 낮았으나 통계적 유의성은 없었다. 그러나 폭로군에서 연의 생물학적 지표와 일부 성호르몬간에 유의한 상관관계를보였으며 이는 본 연구 대상 근로자의 연 폭로 수준이 일부 성호르몬에 영향이 있음을 보여주는 것으로 판단된다. 향후 이에 대한 지속적인 연구가 진행되어 야 할 것이다. Objectives : This study was performed to evaluate the relationship between biological markers of lead exposure and level of sex. hormones in men occupationally exposed to lead. Methods : In this study, 33 male workers who employed at smelting and battery factories were compared with 33 male workers who were not exposed to lead. As biological markers of lead exposure, hemoglobin, ZPP, blood lead and urine lead were measured. As sex hormones, FSH, LH, testosterone, SHBG and FTI were determined. Results : Hemoglobin level was significantly lower in exposed than in nonexposed group. Level of ZPP, blood lead, and urine lead were significantly higher in exposed than in nonexposed group. There was a trend that level of FSH, testosterone, SHBG, and FTI was lower in exposed than in nonexposed group respectively, but there were no statistical significance. In exposed group, FSH level was correlated with age, ZPP, and blood lead; testosterone level was correlated with hemoglobin, blood lead, urine lead, and SHBG ; and FTI level was correlated with age. Conclusions : Level of some sex hormones were lower in exposed than in nonexposed group but there were no statistical significance between the exposed and the nonexposed group. But level of sex hormones were correlated with several biological markers of lead in exposed group. It suggests that occupational lead exposure might affect sex hormones.

임신 종결 후 발생한 자궁 동정맥 누공에서 자궁동맥색전술로 치료한 1예

김종민,이해혁,김태희,남계현,심일구,이권해,김형문,이임순,장종호 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2

Arteriovenous fistula of uterus is rarely reported disease. This vascular malformation is very dangerous condition because Dilatation & curettage can cause massive uterine bleeding without accurate diagnosis. The diagnosis is made by angiography, gray scale ultrasonography, color and duplex doppler ultrasonography, computed tomography, and magnetic resonance imaging is helpful. Especially color and duplex doppler ultrasonography is allows convincing detection and diagnosis of arteriovenous fistula. Recently transcatheter uterine artery embolization is treatment of choice. We have experienced a case of arteriovenous fistula of uterus. Which is presented with a brief review of literature.

고립성 폐결절의 조직학적 진단에 있어서 경기관지폐생검의 진단적 가치

김치훈,김정주,왕준호,연규민,김형수,리원연,용석중,신계철 건국대학교 의과학연구소 2002 건국의과학학술지 Vol.12 No.-

Transbronchial lung biopsy(TBLB) is a relatively simple and convenient diagnostic tool in solitary pulmonary nodule(SPN) on chest radiograph, which is cannot be diagnosed through routine tests. To investigate the diagnostic value and diagnostic rate of TBLB according to the variable factor, we analyzed 69 patients with radiologically SPN lesion on chest radiograph which was confirmed histologically. A histologic diagnosis of TBLB was made in 47 of 69 patients(68.1%), in which 26 of 37(70.3%) with malignancy and 21 of 32(65.6%) with benign lesion. There were no significant differences in diagnostic yield according to age, sex and location of the lesion. The diagnostic rate tended to increase with the more than 5 pieces to acquired by TBLB. When the size of SPN was less than 3 ㎝, it cannot be diagnosed. In conclusion, TBLB is a diagnostic procedure with good yield and safety, but percutaneous needle aspiration, transbronchial needle aspiration, and bronchial washing fluid cytology may be a complementary procedure to overcome the limitation of TBLB and get higher diagnostic yield for SPN.

진공증착중합법에 의해 제조된 PMDA / 4,4'-DDE 폴리이미드의 내열 특성

김형권,이은학,우호환,김종석,이덕출 (사단법인)韓國火災 ·消防學會 1996 한국화재소방학회논문지 Vol.10 No.3

The Polyimide thin films based on PMDA and 4,4'-DDE were fabricated by VDPM, and their heat resistance characteristics were invastigated by TGA(Thermogaravimetry Analyzer). It was found that deposition rate decreased with increasing substrate temperature and the thin films were not fabricated over the substrate temperature of 70℃. T_TG of 5% weight loss temperature is 565℃, 397℃ and 210℃ at the substrate temperature of 20℃, 40℃ and 70℃, respectively. It is realized that the endurace temperature for 20,000 hour of thin films fabricated at 20℃ and 40℃ is 230℃ and 200℃, respectively.