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인구(人口)밀집지역 공기중(空氣中)의 병원성포도상구균(病原性葡萄狀球菌)의 분포(分布)에 관(關)한 연구(硏究)
이국성 ( Kook Sung Lee ) 대한임상검사과학회 1985 대한임상검사과학회지(KJCLS) Vol.17 No.1
In order to survey on the distribution of pathogenic Staphylococcus in the air in crowded area the author catched bacteria, of falling down and cultured during 4 seasons from September, 1981 to August, 1982. The results were obtained as follows: 1. Culture rate of Staphylococcus in air shows 53.9%, 257 cases in total 476 each, and no differences were found after seasons, however specially summer season shows 59.4% higher than any other seasons. 2. Culture rate of coagulase positive species shows 40.1%, 103 colonies, and 50.8% in summer, 30. 8% in winter. 3. Average culture rate shows maximum 38.5% theater, 26.0% hospital ward, 18.1% lecture room, 14.1% barbershop, 13.1% hotel, 12.5% restaurant. The seasonal culture rate results maximum 54.2% at theater in summer season and restaurant, barbershop, hotel were 8.3%, minimum in winter season. 4. The results of survey of contaminated air by the pathogenic Staphylococcus were average 42. 4 colonies per petri dish, and shows maximum contamination of 50. 5 colonies at theater the minimum 29.3 colonies at restaurant. 5. The Biological characters of cultured Staphylococcus show mannitol fermentation, 97.1% among 103 colonies and the color were golden yellow. 6. On antibiotic susceptibility test average 79.6%, 82 colonies among 103 colonies shows resistance to sulfisoxazole, 67.0% to tetracycline 59.2% to penicillin, 49.5% to oleandomycin, 44% to streptomycin, 23.3% to chloramphenicol and leucomycin, 20.4% to colistin, 14.6% to kanamycin, and 6.8% to erythromycin, the highest sensitive in erythromycin.
전자부품제조 납땜 취급 장애인 근로자들의 혈중 납 농도
이국성 ( Kook-sung Lee ) 대한임상검사과학회 2009 대한임상검사과학회지(KJCLS) Vol.41 No.2
In order to provide basic data for the prevention of adverse effects of lead on health, we examined lead levels in the blood of 30 handicapped workers employed in manufacturing electronic components in Seoul from 2002 to 2008. The average lead level in the blood of all the subjects was 4.79 ± 4.32 μg/dL in females, 2.64 ± 2.31 μg/dL in males, and 3.88 ± 3.75 μg/dL in total. Lead levels examined in this study were significantly lower than other investigators study have reported. The average lead level from personal exposure of the subjects was 1.44 ± 0.91 ㎎/㎥ in the workplace. The relation between blood lead levels and personal exposure was a simple linear regression; it``s equation was "Lead level in blood = 6.04 - 1.92 lead level by personal exposure".
Dye-Binding법(法)에 의한 뇌척수액단백정량(腦脊髓液蛋白定量)에 관(關)한 연구(硏究)
이국성 ( Kook Sung Lee ),성호연 ( Ho Yun Sung ) 대한임상검사과학회 1984 대한임상검사과학회지(KJCLS) Vol.16 No.1
A Literature review and comparative study about quantitative analysis of protein in Cerebrospinal Fluid by the Trichloroacetic acid (T.C.A) method and Dye-Binding method using Coomassie Brilliant Blue G-250 (C.B.B) were studied. The results were as folows; 1. The absorbance of standard calibration pattern for various concentration of protein using the method of C.B.B Dye-Binding shows continually decreasing as more dye is bound to protein, but the pattern shows stable and regular curvature. 2. At the concentration lower than 100mg/dl of protein , the Dye-Binding method is more sensitive than the T.C.A method , but T.C.A method is still useful since there is a linearity for the higher concentration of protein. 3. The Dye- Binding method is a rapid and microquantitative method, which requires only 100μl of serum and 10 minutes of time at room temperature. lt is more valuable for the determination of higher concentration of protein needed for dilution. 4. A Comparison of T.C.A method and Dye-Binding method shows good correlation coefficience and linear regression equation. 5. ln the precision test, the both method shows satisfied result of coefficient of variation of 1.0~1.66% in T.C.A method, and of 1.48~2.71% in Dye-Binding method. 6. The color developed by the dye was very stable within 4 hours.
외부정도관리(外部精度管理)에 의(依)한 내부정도관리(內部精度管理)의 분석연구(分析硏究) -Na, K, Cl 및 Ca를 중심(中心)으로-
이국성 ( Kook Sung Lee ),박은병 ( Eun Byoung Park ),이창규 ( Chang Kyou Lee ) 대한임상검사과학회 1984 대한임상검사과학회지(KJCLS) Vol.16 No.1
The clinical laboratory quality control has been almost daily routinized ever since the first notion brought from the industrial merchant quality surveillance. The progress has been mainly attributed by remarkable development of sophisticated instrument, ever changing methodologies and refined reagents. Despite the progress, the status of the quality control program is some what differ from one subject to another even in a same laboratory. In a way, it is not deniable that much emphasis has been centered on the external quality control program rather than on the internal quality control program development which should actually be considered prior to the external quality control program. The study was attempted, therefore, on a well-initiated internal quality control status analysis of biochemistries at the A hospital laboratory, a participating member of the Korean Society of Quality Control in Clinical Laboratory. The analysis and the evaluation were made on some routine chemistry tests, such as Na, K, CI and Ca. The data obtained from the laboratory were projected to the date of the KSQCCL which initiated an external quality control surveillance from June, 1980 to June, 1982. 1. The constant error of the Na determination was judged as negligible while the negative proportional error was shown relatively serious, and the precision of it was also interpreted as a little unsatisfactory. 2. Both the accuracy and the precision of K determination of the internal quality control status were evaluated as satisfactory. 3. As far as CI determination is concerned, the proportinal error in its accuracy was found to be more serious than the constant error, and the precision of it was also interpreted as a little unsatisfactory. 4. Both the accuracy and the precision of Ca determination in the internal quality control status were evaluated as unsatisfactory.
Group B Streptococci 감염의 임상양상과 Pulsed-Field Gel Electrophoresis를 이용한 유전자형 분석
이승관,이창규,조경진,김상애,김재영,이국성 高麗大學校 倂設 保健大學 保健科學硏究所 2000 保健科學論集 Vol.26 No.1
Pulsed-field gel electrophoresis (PPGE) has been employed as a tool to study correlation between apparent clinical features and genotyping of Group B Streptococci (GBS) infection. The result of serotyping among 45 isolates showed that serotype la, lb, Ⅲ, Ⅳ, Ⅴ, NT (nontypeable) were 15.5%, 11.1%, 35.5%, 2.22%, 20%, 15.5%, respectively. The result of serotyping for infection group of 26 isolates showed that serotype la, lb, Ⅲ, Ⅳ, Ⅴ, NT were 11.5%, 15.4%, 34.6%, 3.8%, 11.5%, 23%, respectively. The result of serotyping for carrier group of 19 isolates showed that serotype la, lb, Ⅲ, Ⅴ, NT were 21%, 5.3%, 36.8%, 31.6%, 5.3%, respectively. Thus, the predominant serotypes of the infection groups were serotype lb and Ⅲ, and those of the carrier groups serotype Ⅲ and Ⅴ. All isolates were characterized by PFGE analysis. Isolates were assigned to three major phylogenetic Divisions (Ⅰ, Ⅱ, Ⅲ) and subsequently to 16 PFGE groups (A[A1, A2, A3], B[B1, B2, B3], C, D[D1. D2, D3, D4, D5, D6], E[E1, E2], F). Seventy five percentages of Division Ⅰ belonged to the infection group. Seventy eight percentages Division Ⅱ of belonged to the carrier group. One hundred percentages of Division Ⅲ belonged to the infection group. The study on the correlation between genotype and serotype among the isolates showed that serotype Ⅲ was predominant in A1 group (5 of 5 isolates), D1 group (4 of 5 isolates), and F group (2 of 2 isolates). In addition, serotype Ⅴ was the sole serotype in C and D5 group. Those results indicated that serotyping and PFGE group analysis were highly correlated.