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이황화탄소 폭로 근로자의 요중 N-Acetyl-β-Glucosaminidase Activity 및 Total protein에 관한 연구
趙浚吉,李恩一,車喆煥,張聖薰 고려대학교 의과대학 1992 고려대 의대 잡지 Vol.29 No.1
The results of renal function studies among 45 workers exposed to carbon disulfide as measured bv total protein in a 24-hour urine and N-Acetyl-β-Glucosaminidase (NAG) activity in both 24-hour and spot urine, were further analyzed by fundoscopic examination for evidence of retinopathy. By Measuring spot urine NAG activity in 69 healthy workers, a comparative analysis of spot urine NAG activity was made between healthy workers and those exposed to carbon disulfide and the results were as follows: 1. Of the workers exposed to carbon disulfide, 53.3% had retinopathy, 53.3% showed increased NAG activity above reference value, and 20.0% had proteinuria. These rates tended to increase as the age of the workers and their duration of exposure increased. 2. For workers exposed to carbon disulfide and having retinopathy, the mean value of NAG activity and total protein amount in 24-hour urine were significantly higher (p<0.05), as compared to those having normal retina. 3. Mean values of spot urine NAG activity in healthy workers, those exposed to carbon disulfide with normal retina, and those having retinopathy were 199.1μM of 4-MU/mgCr., 499.1μM of 4-MU/mgCr., and 902.7μM of 4-MU/mgCr., respectively, showing a statistically significant difference.
趙浚吉,裵恩相,金永煥,車喆煥 高麗大學校 倂設 保健大學 保健科學硏究所 1985 保健科學論集 Vol.14 No.1
Micronucleus test using mammals is an in vivo test which is aimed at screening chemicals inducing chromosomal abnormalities such as clastogen and spindle poisons. The test, which was developed in 1973 by J.A. Heddle and W. Schmid, has recently been widely used as a testing method for mutagenicity along with Ames test and/or test for chromosomal abnormality using mammals' cultivated cell. In regarding the fact that the micronucleus test has not been conducted on heavy metals, we dosed cadmium sulfate, zinc sulfate and mixture of these two to mice and observed micronuclei formed in polychromatic erythrocytes from bone marrow of femur. The results of the study were as follows; 1. Rate of micronucleus appearance in the experiment group which had been given 10.0㎎ cadmium sulfate per 1 kilogram of weight of mouse was higher than that of control group (P<0.005). 2. Rate of micronucleus appearance in all the experiment group which had been given zinc sulfate was not so high in compared with that of control group. 3. An experiment group which had been given cadmium and zinc simultaneously showed decrease in the rate of micronucleus appearance in compared with other group which was given cadium only (p<0.05).
호텔 중간 관리자의 리더십이 종사원의 조직시민행동에 미치는 영향
현재욱 ( Jae Wook Hyun ),조원길 ( Won Kil Cho ),조준수 ( Joon Soo Cho ) 한국호텔리조트학회(구 한국호텔리조트카지노산학학회) 2014 호텔리조트연구 Vol.13 No.2
This study identified leadership type of hotel middle managers, transformational leadership, transactional leadership on organizational citizenship behavior Antecedents and also on the personal characteristics in relation to the type of leadership and organizational citizenship behavior, and the moderating effects by verifying gave open the way to seek ways to promote organizational citizenship behavior, my hotel in the middle of the improvement and change through a variety of management approaches, in that academic contribution, as well as from the practical point of view, hotel development in effective human resource management was to provide useful information. The results of this study will be presented as an alternative to the corporate management understand the behavior of middle managers need to improve organizational citizenship behavior of employees in an organization that can operate efficiently.
김종만,홍선미,장미영,이광섭,김신응,조준길,선우인철 대한내과학회 1992 대한내과학회지 Vol.43 No.6
The tissue damage associated with an electrical injury occurs when electric energy is converted to thermal energy or heat according to Joule's law, and it occurs not only cutaneous contact site but may also involve underlying tissue and organs along the route taken by the current between the entrance and exit sites. Among multiple interacting variables, inc1uding voltage, amperage, tissue resistance, type of current and current pathway, amperage is most important factor which relates closely to deep tissue injury and mortality. A case of 33 year old laborer with left hemiplegia after electric current of AC 380 voltage, 60 Hz was experienced. Normal initial brain CT scan turned out to have right hemorrhagic infarct 5 days later, and decreased infarct size 2 months later, with neurological sequelae of left hemiplegia.
이효진,김성림,이광섭,김종만,장미영,박희철,김신응,조준길,홍기웅 대한내과학회 1991 대한내과학회지 Vol.41 No.1
Paragonimiasis is a lung infection of man acquired by ingestion of fresh water crabs or crayfish infested with larvae of Paragonimus. Of the many ectopic foci, the liver is very rarely involved by paragonimus. A case of year old woman with epigastric pain of 2 months duration who had no history of crab ingestion, was experienced. Special studies of abdominal CT scan and celiac angiography showed a mass lesion on the left hepatic lobe. Preoperative diagnosis of liver tumor turned out to be paragonimiasis composed of necrosis, granuloma and egg shells. Treatment with praziquantel for 2 days gave her symptomatic improvement.