Flavobacterium meningosepticum에 의한 균혈증 1예

장성원,유진홍,진승원,김선우,김연식,박순민,이대훈,최민호,최주연,신완식,강문원,강지민 대한화학요법학회 1997 대한화학요법학회지 Vol.15 No.1

1996년 6월 카톨릭대학교 부천성가병원에 뇌경색으로 입원했던 61세 남자 환자의 혈액에서 Flavobacterium meningosepticum을 분리하였다. 환자는 폐렴을 동반한 패혈증의 예로 ceftriaxone과 metronidazole을 투여하였으나 입원 48시간만에 사망하였다. Flabovacterium meningosepticum is a rae cause of nosocomial infection which shows multi-drug resistance. It mainly invades patients with impaired immunity. Recently, we experienced a case of F. meningosepticum bacteremia in a patient with chronic debilitated state owing to stroke. The clinical progress was so rapid that he died within 48 hours. Blood culture revealed F. meningosepticum which showed characteristic yellow colony in blood agar plate.

CBD으로 제작한 In:Cd_(1-x)Zn_(x)S/CdTe 태양전지의 전기적 특성에 관한 연구

심재선,송우창,방영근,김남석,임창민,장현 三陟大學校 2006 論文集 Vol.39 No.-

CdS thin films have been widely used a window material in heterojunction solar cells. In solar cell systems, where CdS thin films have been proved to be useful, partial substitution of Zn for Cd increases the optical window of the hetero-junction and also the diffusion potential. In this thesis, effects of the thickness of indium films and the annealing temperature on structural, optical and electrical properties of chemically deposited CdZnS films for the efficiency of the Cd_(1-x)Zn_(x)S/CdTe solar cells were investigated. Cd_(1-x)Zn_(x)S films were grown by chemical bath deposition (CBD), which is a very attractive method for low-cost and large-area solar cells. The open circuit voltage of Cd_(1-x)Zn_(x)S/CdTe solar cells increased due to reduced electron affinity difference between Cd_(1-x)Zn_(x)S and CdTe films. However, the conversion efficiency of Cd_(1-x)Zn_(x)S/CdTe solar cell decreased because of the higher series resistance(R_(s)) than CdS/CdTe solar cell. The series resistance and conversion efficiency of Cd_(1-x)Zn_(x)S/CdTe solar cell were improved by using indium-doped Cd_(1-x)Zn_(x)S films as window layer. Cd_(1-x)Zn_(x)S/CdTe solar cells fabricated with optimal conditions exhibited V_(oc)=630mV, J_(sc)=38.89mA/㎠ , FF=0.53, and η=13.2%

서울시 교직원 당뇨병의 역학적 특성 및 관련위험요인분석

이희우,김종희,장철환,신선미 韓國學校保健學會 2004 韓國學校保健學會誌 Vol.17 No.1

Purpose : To describe the prevalence, epidemiological characteristics, and related factors of diabetes mellitus in school personnel. Method : 5,384 school personnel (2,638 males 2,746 females) received physical examinations at the Seoul School Health Center in Z 2. Using the American Diabetes Association criteria, and fasting blood sugar(FBS) was classified as normal at 110>=FBS, borderline 111-125, and the diabetes group 126<=FBS. Related factors of each group were evaluated by gender. Results : In the diabetes group, there were 4.74% males and 0.8% females, and the borderline group was 6.37% males and 2.22% females. The older age group gad a higher distribution in both males and females in the diabetes group. In the diabetes group, the mean and abnormal rate of BMI, systolic hypertension, diastolic hypertension, total cholesterol, GOT, GPT, and GTP were higher than in the normal group. In life style factor, the diabetes group gad a higher distribution of meat eating and smoking more than 20 years than the normal group. The effect of FBS on BMI, BP(blood pressure), total cholesterol, GOT, GPT, and GTP were investigated after controlling for confounding variables. In the borderline and diabetes group, the mean of BMI, BP, total cholesterol, GOT, GFT, and GTP was higher in dose-response effect. In the logistic multiple regression, the related factors of the diabetes group were hypertension and abnormal GTP in males, and abnormal total cholesterol and GTP in females. In the borderline group, the related factors were meat eating, hypertension, and high GOT in males and the older age group, and hypertension, total cholesterol, and abnormal GTP in females. Conclusions : It is possible to manage all related factors of diabetes mellitus except for age. An appropriate program for health promotion is necessary.

열형광 CaSO₄:Dy 소자의 최적 제조조건에 관한 연구

김장렬,남영미,장시영,김두영,양정선,박재우 제주대학교 산업기술연구소 2000 尖端技術硏究所論文集 Vol.11 No.1

An experimental investigation has been performed to determine optimal conditions for preparing the thermoluminescent CaSO4:Dy pellets which have been widely used as personal radiation dosimeter material. Our investigation has shown that an optimal weight concentration of the dopant Dy in the bulk CaSO4:Dy is 0.1 mol%, and an optimal temperature of adding Dy in the preparing process is 320 ℃. An optimal time and temperature for sintering the CaSO4:Dy crystal produced from the chemical process are found to be 2 hours and 800 ℃, respectively. The maximum thermoluminescent sensitivity was observed when the CaSO4:Dy crystal was pulverized to grain sizes of 63 - 200 ㎛ in diameter before being fabricated into pellets. The commercial Teflon was selected as an adhesive for the fabrication of the CaSO4:Dy pellets with an optimal mixing ratio of the Teflon and CaSO4:Dy being 70 to 30 in weight.

史料紹介 : 『御尋朝鮮覺書』(小田四郞兵衛著) 異本 『朝鮮風俗記』

하우봉,홍성덕,장순순,小幡倫裕 전북대사학회 1997 전북사학 Vol.19ㆍ20 No.-

열형광 CaSO₄ : Dy 소자의 최적 제조조건에 관한 연구

양정선,장시영,김장렬,김두영,남영미,박재우 濟州大學校 産業技術硏究所 2000 산업기술연구소논문집 Vol.11 No.1

An experimental investigation has been performed to determine optimal conditions for preparing the thermoluminescent CaSO_(4):Dy pellets which have been widely used as personal radiation dosimeter material. Our investigation has shown that an optimal weight concentration of the dopant Dy in the bulk CaS0_(4):Dy is 0.1 mol%. and an optimal temperature of adding Dy in the preparing process is 320℃. An optimal time and temperature for sintering the CaSO_(4):Dy crystal produced from the chemical process are found to be 2 hours and 800℃. respectively. The maximum thermoluminescent sensitivity was observed when the CaSO_(4):Dy crystal was pulverized to grain sizes of 63 - 200 m in diameter before being fabricated into pellets. The commercial Teflon was selected as an adhesive for the fabrication of the CaSO_(4):Dy pellets with an optimal mixing ratio of the Teflon and CaSO_(4):Dy being 70 to 30 in weight.

팥 신장기 과습처리에 의한 생육특성 및 단백질 발현

정해룡, 유장환, 윤성현, 권수정, 우선희 충북대학교 농업과학기술연구소 2022 農業科學硏究 Vol.38 No.2

Adzuki bean is sensitive to waterlogging stress. The overall study on the waterlogging stress is limited comparing to the study on the drought and any environmental stress. Therefore, the present study was conducted to investigate the changes in growth characteristics and the expression patterns of proteins at the 5-leaf stage periods of adzuki bean. The domestic cultivar, Arari (Miryang No. 8) was used to test the waterlogging stress. In the waterlogging treatment for 3 days, the plant height showed slightly decrease in the treatment at 3 days of waterlogging, but root fresh weight showed significantly changes at 3 days of the waterlogging treatment. Chlorophyll contents showed also significantly different at 3 days of waterlogging treatment compared to control the plants. The waterlogging stress gradually influenced the growth differences between the control and the treatment respectively. More than 350 pro- tein spots were identified on 2-D gels using an image analysis. Moreover, a total of 28 proteins were analyzed using LTQ-FT-ICR MS. Among these 28 proteins, a total of 18 proteins were up-regulated, and 10 proteins were down-regulated under waterlogging treatment. According to biological process, the most of the proteins were found to be involved in carbohydrate metabolism. Regarding the subcellular local- ization, most of the proteins were localized into chloroplasts in 5-leaf stage.

오스템퍼링한 구상흑연주철(ADI)의 드릴 가공시 경도 및 현미경조직변화에 관한 연구

조규재,장우양,심재기,홍성오,김선진 한국공작기계학회 1999 한국생산제조학회지 Vol.8 No.1

This paper was carried out to know the influence of advanced austempered ductile cast iron (ADI) on the tool life and mechanical properties of drilling machinability. For manufactured method of ADI, the spheroidal graphite cast iron were austenized at 900℃ for 1 hour and then austempered for 2 hour at 370℃ in the salt bath. And interrelationship has been investigated between tool life and mechanical characteristics of specimen material on drilling condition when the ordinary and step-feed drilling are carried out to drill holes of specimens. Tensile strength and hardness of ADI decrease and elongation of ADI increases with the increase austempered temperature. It is known that about 2 times of tool life in the case of step-feed decreases compared with ordinary feed due to the high hardness of ADI and hardness ascribed to the fact that retained austenite beame to martensite state due to cutting heat in drilling. Under the constant feed rate 0.1㎜/rev relation between hardness and length of end tip after drilling can be formularized to Hv=788.46L^-0.096 for the cutting speed 6.1m/min.

저질에 따른 바지락(Ruditapes philippinarum)의 염분내성

한경호,오성현,장선익,이우범,이원교 國立 麗水大學校 環境問題硏究所 2000 環境硏究論文集 Vol.3 No.-

Salinity tolerance of the manila clam, Ruditapes philippinarum in Gang-jin Bay on the from May to June was investigated in two different types of sedimentary composition. In the experimental groups of sandy-mud, the survival and infiltration rate were good at 20~40ppt, but all the manila clam, Ruditapes philippinarum died at more than 50ppt and less than 10ppt before the experiment finish. In the experimental groups of muddy, the survival and infiltration rate were the best at 25~35ppt and then 20ppt, 40ppt. All the manila clam, Ruditapes philippinarum died at more than 45ppt and less than 15ppt. The survival rate in the experimental groups of sandy-mud was higher than muddy ones, and the infiltration rate was the highest at 20~35ppt in the both of two experimental groups. In the sand-mud, the manila clam, Ruditapes philippinarum infiltrated half of their shells but in the muddy, they infiltrated more then half of their shells.

일개 대학병원근무자들에서의 인플루엔자 예방 접종 순응도 관련요인

정희진,손장욱,최선주,엄중식,우흥정,천병철,김우주,박승철 대한감염학회 2004 감염과 화학요법 Vol.36 No.4

목적 : 병원근무자에서의 인플루엔자 예방 접종은 병원내에서 인플루엔자 전파를 막기위한 수단으로 적극 권장되고 있으나 매년 인플루엔자 백신을 접종하는 병원근무자들은 소수에 지나지 않는다. 본 연구는 병원근무자들에서의 인플루엔자 예방 접종률을 향상시키기 위한 목적으로 첫째, 백신 접종자에서의 인플루엔자 백신 접종 계기를 알아보고 둘째, 인플루엔자 백신접종의 장애요인을 분석하여 그 문제점을 해결하는데에 목표가 있다. 재료 및 방법 : 서울 1개 대학병원의 병원종사자들을 대상으로 1999년 10월 1개월에 걸쳐 인플루엔자 예방 접종을 하도록 한 후 2000년 3월에 접종군과 비접종군을 대상으로 구조화된 설문지를 이용한 설문조사를 실시하였다. 백신 접종군을 대상으로 백신접종의 동기(que to action), 비접종군을 대상으로는 접종에의 장애요인(barrier) 등을 조사하였다. 이 외에도 양군을 대상으로 인플루엔자에 대한 지식 척도, 인플루엔자 백신으로 기대되는 효과(benefit)등에 대한 설문조사를 시행한 후 정답률을 조사하였다. 결과 : 1) 설문 조사에 응한 총 수는 309명으로 간호사가 60% 이상이었다. 백신접종군은 평균연령, 평균 근무연수가 비접정군에 비하여 유의하게 길었으나 성별, 직종별 분포는 양 군간 차이가 없었다. 2) 인플루엔자 예방 접종의 필요성에 대한 지식정도에 있어 접종군의 934%가 그 필요성을 잘 인식하여 비접종군의 779%보다 유의하게 높았으나 예방 접종이 필요한 구체적 이유에 대한 정확한 이해는 접종군 113%, 비접종군 119%에 불과하였다. 3) 인플루엔자 예방 접종을 받은 의료인들의 행동계기는 ‘감염관리실의 홍보’와 ‘주위사람들의 권유’에 의한 경우가 26.9%, 21.6%로 가장 많았고 본인이나 가족, 친구들을 통한 일종의 감지된 위협 때문에 접종한 경우 31명(186%)의 순이었다. 4) 비접종자들에서 예방 접종을 시행치 않은 가장 흔한 이유는 ‘업무에 바쁘고 시간이 없어서’라는 항목이었으며(37.3%) 특히 의사 집단에서는 이러한 이유가 68.8%로서 압도적으로 많았다. 간호사나 기타 직종에 종사하는 직원들의 경우는 자신의 건강에 대한 확신이 30%내외에 달하였고 예방 접종 자체의 효과에 의문을 갖는 경우도 직종에 따라 6.3-29.7%에 달하였다. 결론 : 병원근무자에서 인플루엔자 예방 접종률을 향상시키기 위해서는 백신 접종의 장애물(효과의 의문, 부작용)을 효과적으로 제거하고 인플루엔자 백신의 필요성과 효과를 인식시키기 위한 교육과 함께 시간, 공간상의 제약을 배제할 수 있는 접근성의 문제를 해결하여야 할 것으로 사료된다. Background : In spite of yearly recalls, influenza immunization rate among healthcare workers (HCWs) remained low in Korea University Guro Hospital. This study was conducted to identify the causes of non-compliance against influenza immunization and to analyze the barrier factors for the immunization. Materials & Methods : Questionnaires were distributed in March of 2000 at Korea University Guro Hospital. We evaluated factors associated with acceptance of influenza vaccination and opinions regarding influenza prevention (knowledge about influenza vaccination efficacy, que to action in vaccinee, perceptible benefit, barrier to vaccination). Results : 309 completed questionnaires from HCWs were returned. Mean age and mean duration of work in hospital were higher and longer among vaccinee than non-vaccinee. Even though the necessity of influenza vaccination among HCWs were accepted well in vaccinee compared to nonvaccinee, the accurate reasons for vaccination were not quite understood among HCWs regardless of compliance. Vaccine campaign (30.8%) and advise from doctors (24.7%) were important for the promotion of vaccination among vaccinee. However, major reason for non-compliance among nursing staff and was mis-confidence that their bodies' self defense mechanisms would ward off infection (33.5%) and 'too busy to get injection' for doctors (65%). Conclusion : We conclude that regular education about perceptible benefits and wrong concerns about influenza vaccination among HCW's and easy accessibility to vaccination were important determinants to improve the influenza vaccination. On-site availability of a vaccination-nurse also proved to be important.