용접 근로자의 혈액 및 요중 망간 농도

현대우,안선희,김강윤,최호춘 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.4

Blood and urine samples were taken from 447 welders exposed to manganese containing welding fumes and 127 office workers not exposed to welding fumes as a control. The air samples were analyzed by flame atomic absorption spectrophotometer(Varian 30A, Australia), and blood and urine samples were analyzed by flameless atomic absorption spectrophotometer(Z-8100, Hitachi, Japan). Data were evaluated in accordance with type of industry, smoking habits, and work duration. The results obtained were as follows: 1. The limit of detection(LOD) levels of manganese in blood and urine were 0.11㎍/100㎖ and 0.14㎍/ι, respectively. Our results of manganese concentration were shown within ±2 standard deviation which was the upper and lower warning limit(UWL or LWL) on quality control chart. 2. The airborne concentrations of manganese in welding workplaces were 0.067㎎/㎥ showing differences by type of industry; 0.017㎎/㎥ in automobile assembly and manufacturing industries, 0.084㎎/㎥ in steel heavy industries and 0.180㎎/㎥ in shipyards. 3. The blood manganese concentrations showed differences by type of industry showing the highest values of 1.70㎍/100㎖ in shipyards, 1.24㎍/100㎖ in automobile assembly and manufacturing industries and 1.111㎍/100㎖ in steel heavy industries. Urinary manganese concentration corrected by urinary creatinine concentrations was 0.34㎍/g creatinine in automobile assembly and manufacturing industries, 0.43㎍/g creatinine in steel heavy industries and 0.48㎍/g creatinine in shipyards. There were no difference urinary manganese concentrations by type of industry. 4. The overall blood manganese concentration was 1.26㎍/100㎖, and urinary manganese concentration was 0.35㎍/g creatinine in welders. In contrast to these values, blood and urinary manganese concentrations were lower in control group showing 0.73㎍/100㎖,, and 0.28㎍/g creatinine, respectively. 5. Smoking habits did not seem to affect on blood and urinary manganese concentrations both in welders and office workers. 6. Blood manganese concentrations were significantly higher in welder who had worked longer than 10 years than in welder who had worked less than 10 years. 7. The blood manganese concentrations were significantly correlated to airborne manganese concentrations(r=0.318, n=64), work duration(r=0.425, n=538), and cumulative exposure indices(CEI) (r=0.354, n=64).

대량 출혈을 유발한 공장게실 1예

전정현,이선영,이나란히,신정은,주미순,정성애,한호성,유권 梨花女子大學校 醫科大學 醫科學硏究所 2001 EMJ (Ewha medical journal) Vol.24 No.1

A case of massive intestinal bleeding from jejunal diverticulum is describe. A 62-year-old man was refered to our hospital because of melena and anemia. After admission, he showed massive hematochezia with unstable vital sign. Esophagogastroduodenocopy and colonoscopy, selective abdominal angiography, and RBC bleeding scanning were performed to seek the cause of the intestinal bleeding, but none of these studies revealed the source of bleeding. The examination of small bowel with methylcellulose showed multiple small jejunal diverticuli and a large diverticulum. Resection of the involved portion of jejunum was performed. On pathological examination, two mucosal loss lesions were detected, but ulcer or arteriovenous malformation were not seen in the resected jejunal diverticulum. The patient showed no more intestinal bleeding after operation. Although jejunal diverticuli are rare, the careful search for this complication in a patient with intestinal bleding is important.

노인의 사회인구학적 배경에 따른 건강관리, 유형, 신체활동과 식습관에 관한 연구

양춘호,김중언,함주현 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.4

The purpose of this study was to analyze on the health care patterns, physical activity and meal habits with sociodemegraphic background in older adults, The subject of the study was selected by multi-stage stratified cluster random sampling among the older adult college and older adult center to participate whose age were 65 and over year old among inhabitant the Joeon Buk area, The data were collected the statistics employed the study were frequency and Chi-square test, enzymes have significant difference between treatment group The results that were derived form these processes were as follows: 1. Health care patterns have significant difference of according to sex(P<.05), age(p<.01), occupation(p<.001) and scholarship(p<.001). 2. Physical activity have significant difference of according to sex(p<.001), age(p<.001), occupation(p<.001) and scholarship(p<.001). 3. Meal habit have significant difference of according to age(p<.001), occupation(p<.05) and scholarship(p<.001) but according to the sex(P>.05) have no significant difference.

동종 조혈모세포이식 후 발생한 크립토콕쿠스 척추염 1예

고윤호,임동준,이성수,조유경,이동건,최정현,김유진,민창기,김동욱,박정미,김춘추,신완식 대한감염학회 2001 감염 Vol.33 No.4

Skeletal cryptococcosis is an uncommon infection. Cryptococcus is a common cause of meningitis and infects 7∼10% of patients with AIDS. As well as AIDS, the infection may be seen in association with leukemia, lymphoma, Hodgkin's disease, sarcoidosis, tuberculosis and diabetes, also in patients on steroid medication. But there is no case report of skeletal cryptococcosis following allogeneic hematopoietic stem cell transplantation. A 40-year-old woman was admitted to the hospital because of low back pain. She had chronic myelogenous leukemia for 2 years and underwent allogeneic hematopoietic stem cell transplantation 8 months ago. She have been treated with steroid and cyclosporine orally because of chronic graft versus host disease. On examination she was afebrile and had posterior lower lumbar tenderness. But, she had no reduced strength of low extremities. Open biopsy was underwent. Histology demonstrated budding, round-to-oval, refractile yeast-like organisms within debris. The results of a lumbar puncture were unremarkable and cerebrospinal fluid culture failed to grow bacteria and yeast. The patient was treated with amphotericin B (1 gram) and AmBisome□ (2.8 gram) over 6 weeks. Three months after cessation of therapy, the patient was doing well.(Korean J Infect Dis 33:298∼301, 2001)

칠절봉 신갈나무(Quercus mongolica)림의 군락구조와 토양환경

이호준,배병호,전영문,정흥락,홍문표,김용옥,길지현 建國大學校基礎科學硏究所 1998 理學論集 Vol.23 No.-

칠절봉 신갈나무림의 군락구조와 토양환경과의 관계를 파악하기 위해 식물사회학적 조사와 토양 환경을 분석하였다. 조사지역의 신갈나무림은 신갈나무군락, 철쭉꽃하위군, 큰개별꽃하위군으로 구분되었으며, 철쭉꽃하위군과 큰개별꽃하위군에서의 방형구당 평균출현종수는 각각 30종(24∼46종), 43종(31∼52종) 이었다. 피복지수치에 의한 계층별 우점순위는 교목층에서 신갈나무(6750.0), 아교목층에서 당단풍(2364.0) 관목층에서 철쭉꽃(988.5), 초본층에서 쌀새(1040.5)가 가장 높게 나타났다. 신갈 나무림의 DBH 분포는 2∼10㎝ 범위의 소경목이 전체의 29.7%를 차지하였으며 전체적으로 정규분포를 나타내어 교란 후 재생과정에 있는 것으로 조사되었다. 또한 후계목의 발달로 인한 극상상태로의 천이가 가능할 것으로 조사되었다. 전반적인 토양환경은 두 하위군 간에 뚜렷한 차이가 없었으며, 큰개별꽃하위군이 철쭉꽃하위군에 비하여 다소 양호한 것으로 조사되었다. 환경구배분석에서 까치박달, 물푸레나무, 함박꽃나무 등은 습한 곳에 분포하고 철쭉꽃, 전나무, 국수나무 등은 건조한 곳에 분포하는 것으로 나타났다. A relationship between the community structure composition and soil environmental factors of the Quercus mongolica forest on Mt. Chiljelbong was investigated from June 1996 to August 1997. The Q. mongolica community was classified into two subcommunity of Rhododendron schlippenbachii and Pseudostellaria palibiniana. The 30(24-46) species per quadrat were appeared in R. schlippenbachii subcommunity and 43(31-52)species in P. palibiniana subcommunity. The dominant sequences on each stratum determined by the coverage index showed that Q. mongolica was the most dominant in tree-1 layer with 6750.0, Acer pseudo-sieboldianum in tree-2 layer with 2364.0, R. schlippenbachii in shrub layer with 988.5, and Melica onoei in herb layer with 1040.5 value. The value of diameter breast height(DBH) showed a normal distribution displaying a highest value in the range of 2∼10㎝(29.7%) in Q. mongolica forest and it was investigated being at restoration phase after disturbance. It also was investigated that the succession to climax state would be possible due to growth of successive tree. Overall, which the soil conditions make little difference between two subcommunities, P. palibiniana subcommunity was favorable than those of R. schlippenbachii subcommunity. It was shown that in an environmental gradient analysis, Carpinus cordata, Fraxinus rhynchophylla, and Magnolia sieboldii were distributed in a mesic area, but R. schlippenbachii, Abies holophylla, and Stepanandra incisa in a xeric area.

제주도 토양에서 분리한 가시아메바의 riboprinting에 의한 동정

김현동,전자호,유학선,공현희 慶北大學校 醫科大學 1996 慶北醫大誌 Vol.37 No.4

목적 : 가시아메바의 국내 분리주를 확보하고 국내 분포하는 가시아메바의 종류를 파악하며 그 분리주들의 병원성을 간접적으로 평가하기 위해 제주도의 토양에서 분리한 가시아메바 분리주를 riboprinting을 이용하여 종 동정을 하고자 한다. 재료 및 방법 : 제주도의 서로 다른 일곱 장소에서 무균 튜브에 흙을 담아와서 agar plate에서 배양한 후 서로 다른 형태적 특징을 보이는 포낭을 cloning하여 무균배양으로 키웠다. 각각의 핵 DNA를 분리하여 small subunit ribosomal RNA coding DNA 중 일부를 증폭하여 나온 PCR 산물을 8가지 제한효소로 소화시켜 그 RFLP양상을 16비교주와 비교한 후 Nei & Li의 공식에 대입한 후 UPGMA program로 유전적 거리를 구하였다. 결과 : 포낭의 형태는 KA/CS8주를 제외한 7주는 모두 Pussard 및 Pons의 분류에 따른 제 2군에 속하였고 KA/CS8주는 제 3군에 속하였다. 가시아메바 KA/CS1주와 KA/CS2주는 동일한 RELP양상을 나타내었으며 이들은 카스텔라니 가시아메바 Castellani주와 가장 유전적으로 가까왔고, KA/CS3주와 KA/CS6주는 A. triangularis SH621주와, KA/CS4주는 대식가시아메바 Jones주와, KA/CS5주는 대식가시아메바 P23주와. KA/CS7주는 카스텔라니 가시아메바 Neff주와 각각 유전적으로 가장 가까왔고, KA/CS8주는 비교주 중 어느 종과도 유전적으로 가깝지 않았다. 결론 : Acanthamoeba KA/CS1, KA/CS2, KA/CS3, KA/CS4, KA/CS6분리주들은 카스텔라니 가시아메바 complex에 속하였고, KA/CS5, KA/CS7분리주들은 대식가시아메바 complex에 속하였다. In order to collect and identify Acanthamoeba Korean strains. Acanthamoeba strains were isolated from soil of Cheju-do and were identified by comparison of the riboprints with the reference strains. Seven out of eight isolates from soil of Cheju-do belonged to the morphological group Ⅱ (Pussard and Pons, 1977) and the other one belonged to group Ⅲ by cyst morphology. The riboprints of seven isolates belonging to group Ⅱ were compared to those of Acanthamoeba reference strains (11 species 16 strains). KA/CS1, KA/CS2, KA/CS3, KA/CS4 and KA/CS6 strains belonged to A. castellanii complex. KA/CS1 and KA/CS2 strains showed identical riboprints to each other and were the most closely related to A. castellanii Castellani strain. KA/CS3 and KA/CS6 strains were the most closely related to A. triangularis SH621 strain, and KA/CS4 strain to A. polyphaga Jones strain. KA/CS5 and KA/CS7 strains belonged to A. polyphaga complex. KA/CS5 strain was the most closely related to A. polyphaga P23 strain and KA/CS7 strain to A. castellanii Neff strain. KA/CS8 strain belonging to group Ⅲ showed more than 20% estimated sequence divergence from the reference strains (5 species) and made a distinct division in a phenogram reconstructed based on the riboprints.

사적연금세제의 문제점과 개선방안에 관한 연구

박춘래,김석현,이은호 東亞大學校 經營問題硏究所 2006 經營論叢 Vol.27 No.-

When Korea enters an aging society recently, we are greatly concerned about pension income and it will be placed a great deal of weight in future. The pension income is divided into a public pension and a private pension. The public pension is divided into a national pension and a special occupation pension. The private pension is divided into a corporate pension and a personal pension. This research is not only to analyze the theoretical structure of the private pension income taxation but to raise its problems and improvements through an intemational comparison. Analytical results on this research are as follows. First, when the new personal pension is cancelled, a contract offender will be imposed heavily a tax burden. So, an altemative plan should be provided. Second, the deduction imbalance of the new personal pension between the old personal pension should be resolved. Third, the following reform plans have to be prepared in future to promote the corporate pension taxation substantially Fourth, tax unfaimess between the public pension and the private pension. Finally, the tax incentives for the private pension income should be restructured considering the relationship between the other pension incomes and the division the role between the public pension and the private pension.

급성하벽심근경색에서 전흉부유도 ST절 하강의 의의

정병천,배호상,곽동훈,김영태,배용학,황종현,임현주,류재근,조용근,채성철,전재은,박의현 慶北大學校 醫科大學 1997 慶北醫大誌 Vol.38 No.2

목적 : 급성하벽심근경색증 환자에서 심전도상 흔히 동반되는 전흉부유도 ST절 하강의 의의를 알아보았다. 방법 : 심근경색후 24시간에서 48시간에 얻은 심전도를 기준으로 52명의 급성하벽심근경색증 환자를 전흉부유도에서 ST절의 하강이 있는 군과 없는 군으로 나누었으며 심도자, 관상동맥조영술, 심초음파도 및 방사성 핵종을 이용한 좌심구혈율 측정 등을 시행하였다. 결과 : 1) 좌심실확장기말압은 전흉부유도에서 ST절의 하강이 있는 경우에서 16.9±5.33mmHg로 없는 경우의 11.0±4.02mmHg보다 유의하게 높았다(p<0.05). 그러나 운동량 및 좌심구혈을은 흥부 유도상 ST절의 하강이 있는 경우 7.6±3.0 METs 및 53.9±9.1%로 없는 경우의 9.1±2.7 METs 및 54.6±9.5%보다 낮았으나 통계적 유의성은 없었다(p=0.180, p=0.823). 2) 관상동맥조영술상 전흉부 ST절의 하강이 동반된 군에서는 유의한 좌전하행지나 좌회선지의 협착이 있는 경우가 60.9% 및 57.9%로 ST절의 하강이 없는 군에서의 34.5% 및 7.7%와 비교해 좌관상동맥에 협착이 동반된 경우가 많았다(p=0.050, p=0.001). 3) 관상동맥조영술상 세 혈관질환의 빈도는 흉부유도상 ST절의 하강을 보인 23예에서 10예로 ST절 하강이 없었던 29예중 2예에 비하여 유의하게 많았고(P=0.007), 단 혈관질환의 빈도는 ST절의 하강을 보인 군에서 23예중 5예로 ST절 하강이 없었던 29예중 17예에 비하여 유의하게 적었다(P=0.002). 두 혈관질환의 경우에는 각각 8예와 10예로 양군간에 유의한 차이가 없었다. 4) 흉부유도상 ST절 하강의 빈도는 단 혈관질환 22예 중 5예에서, 두 혈관질환 18예중 8예, 세 혈관질환 12예 중 10예에서 관찰되어 협착이 있는 관상동맥의 수가 많을수록 ST절의 하강이 나타나는 빈도가 많음을 보였다(p=0.00308). 그러나 흉부유도상 나타난 ST절의 하강을 모두 합하여 구한 ST절 하강의 합은 협착이 있는 관상동맥의 수와 통계적인 유의성이 없었다. 5) 심초음파도상 좌심실 하벽의 벽운동은 ST절 하강을 보인 군에서는 akinesia가 83.3%, hypokinesia가 11.1%, 정상 벽운동이 5.6%로, ST절 하강이 없었던 군에서의 dyskinesia가 3.6%, akinesia가 39.3%, hypokinesia가 25.0%, 정상 벽운동이 32.1%와 비교하여 ST절의 하강이 있는 군에서 유의하게 벽운동의 장애가 빈번함을 보였다(p=0.03891). 그러나 좌심실전벽, 측벽 및 중격부위에서는 유의한 벽운동의 차이가 없었다. 결론 : 급성하벽심근경색증 환자의 전흉부유도에서 ST절의 하강이 동반되는 경우 다혈관 질환의 가능성이 높으며 좌심실확장기말압이 상승되었고 운동능력은 감소되어 있었다. 또한 심초음파도상 좌심실하벽의 벽운동장애도 심하였다. 따라서 전흉부 ST절의 하강을 동반한 급성하벽심근경색증 환자는 전흉부유도에 ST절 하강이 없는 경우보다 예후가 불량할 것으로 생각되며, 보다 적극적인 치료가 필요할 것으로 생각된다. The purpose of this study was to determine the significance of precordial ST segment depression appearing during acute inferior myocardial infarction and to assess the correlation of that with angiographic finding. 52 patients were allocated into two groups based on the existence of precordial ST segment depression : 23 patients with ST segment depression and 29 patients without ST segment depression. The extent of coronary artery disease as well as the prevalence of significant stenosis (≥70%) in left anterior descending artery were more frequent in patients showing precordial ST segment depression than in patients not showing them (p=0.050) and the result were similar in cases of left circumplex artery (p=0.001). On echocrdiographic examination of left ventricular (LV) wall motion, it showed more severely decreased inferior LV wall motion in patients showing precordial ST segment depression than in patients not showing them (p=0.03891) even though the other segment of LV wall motion didn't show the statistical difference between both groups. The other cardiac parameters such as LVEDP, exercise amount (METs) and ejection fraction were tend to showing bad profile in patients with precordial ST segment depression. From the above results, we could deduce that patients with precordial ST segment depression have relatively large infarction or concomitant left coronary artery disease, so they need more caution and intensive theraphy.

진주시 대기·수질·토양오염의 특성

박정호,이춘식,박현건,김형갑 진주산업대학교 1998 산업과학기술연구소보 Vol.- No.5

The research described in this paper was conducted to estimate the level of air, water and soil pollution, and plans for environmental conservation in Chinju city. The characterizations of air, water and soil pollution in Chinju were investigated during the period of September and November of 1997. The concentrations of air and soil pollutant in Chinju were lower than a metropolitan areas or environmental standard. The pollution level of water quality were higher Keong-Ho and Yang-Chen river compared with Duck-Chen river.

木花 收量構成形質의 遺傳分析

崔周浩,李信雨,全鉉植,李喆浩 진주산업대학교 농업기술연구소 2005 農業技術硏究所報 Vol.18 No.-

2001년부터 2003년까지 木花 10개 品種을 二面交配하여 얻은 F_(1), F_(2) 45개 組合을 재료로 生育形質의 交配集團에 따른 遺傳分析한 結果를 요약하면 다음과 같다. 1. 각 형질에 대한 분산분석 결과는 전형질에서 고도의 유의성을 나타내었다. 2. 유전자의 상가적효과의 값은 우성효과의 값보다 높게 나타났고, F_(1)세대의 株當□數에서 가장 높았으며, 百粒重은 F_(2)세대에서 오히려 높아 세대간에는 일정한 경향을 보이지 않았다. 3. 유전력은 섬유장을 제외한 전 형질에서 0,80이상으로 평가되었고, 그 중 섬도는 F_(1)세대에서 0.97로 조사된 형질 중 가장 높았다. The quantitative inheritance of some yield characters in Gosyium spp was carried out by means of a 10×10 diallel cross. This study was genetically analyzed through diallel cross population among 10 different cultivars of cotton (Gosyium spp) at an experimental field in Jinju National University. According to research from April 2001 to December 2003, the results of genetic analysis were summarized as follow: 1. The high significance was observed from the genetic variance analysis in the all examined characters. 2. In the component of genetic variance analysis, additive effects were relatively higher than dominant effects. The number of boll in F_(1) generation was higher than F_(2), whereas no significant difference was seen in the dominance degree and gene arrangement between F_(1) and F_(2) generations because 100 seeds weight in F_(2) generation was much higher F_(1). 3. The progeny of F_(1) heritability was found to exceed a suggested minimum of 0.80 excepting fiber length. The heritability of F_(1) in fiber fineness was 0.97 relatively higher than other all examined characters.