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성상율,구자섭,조근호,원승희,이종훈,박종한 대한생물치료정신의학회 2004 생물치료정신의학 Vol.10 No.1
Objectives : Nowadays many studies with MRI have reported structurai abnormalltles of corpus callosum of schizophrenic patients. However, the results are various and inconstant. In this study, we attempted to identify structural change of C O ~ U S cailosurn. Method : We measured the size of corpus callosum of the 24 schizophrenia patients (male 11, female 18) who were diagnosed by DSM-IV (19943, visited at department of psychiatry, catholic university hospital of Daegu from January 2002 to December 2003, by using midline sagittal slice of MRI. These results were compared with the size of corpus callosum of 25 controls (male 7, female 78). We divided corpus callosurn into 7 areas. We calculated and compared the areas of each subregion, mid-sagittal cerebral area, and entire corpus callosum. The results were analyzed by independent t-test. Result :When we compared subregion to corpus callosum adjusted wth mid-sagittal cerebral area, schlzoph-renia patients had significantly smaller genu (1.64k0.32 vs. 1.43k0.26 p<O.O5) and splenium (2.16f0.27 VS. 1.96+0.30 ; ~(0.05). Similarly, the ratio of total corpus callosum to midline sagittal cerebral area (%)(7.50*0.72 vs. 6.90t0.82 ~(0.05) was significantly smaller In schizophrenia than control group. Conclusion : In this study, we found significant differences in corpus callosum between schizophrenic patients and normal control group.
알코올중독 병동에 입원한 알코올의존 남성 환자들의 임상적 특성 연구
구자섭(Ja-Seob Koo),김창수(Chang-Soo Kim) 한국중독정신의학회 2012 중독정신의학 Vol.16 No.1
Objectives : This study aimed to obtain the demographic and clinical characteristics of male inpatients with alcohol dependence in the alcoholism ward of a mental hospital. Methods : The subjects were 113 patients who met the DSM-IV criteria for alcohol dependence. They completed the questionnaires that consisted of the demographic and drinking-related characteristics and AUDIT-K, HAIS, BDI. Results : The average age of the subjects was 48.58 years. High school graduation was most common. Among the study subjects, 33.6% had no religion, 54% had a very low income, 40.7% required medical aid, only 47.8% were married, 56.6% were jobless, 90.3% were smokers, and 29.2% had been admitted voluntarily. The first age of drink-ing was 20.26 years and the amount of drinking per day was 2.51 bottles using 360cc Soju. 85.8% preferred soju. 38.1% had at-tended AA and 40.7% had binge pattern of drinking. The mean AUDIT-K score of the subjects was 23.07, HAIS score was 7.39 and BDI score was 18.54. The group with a higher AUDIT-K score had the higher HAIS score, was younger and started to drink earlier. However we could not find any correlation between BDI and other factors. Conclusion : These results show the latest information about the demographic and clinical characteristics of male inpatients with alcohol dependence. There-fore various treatment programs based on these results should be established.
민간투자사업의 제안서 작성 업무 개선에 관한 연구 : 운영관리비 산정 업무를 중심으로
구자경(Koo Ja Kyung),이동욱(Lee Dong Wook),심명섭(Shim Myung Seob),이태식(Lee Tai Sik) 대한토목학회 2010 대한토목학회논문집 D Vol.30 No.6D
사회기반시설은 국가 경쟁력 지표로써, 전통적으로 정부의 SOC 재정으로 건설되어 왔다. 그러나 SOC 예산 축소에도 불구하고 사회기반시설의 확충 요구를 해결하기 위해 민간투자사업제도가 도입되었으며, 이 중 도로사업의 비중이 높다. 본 연구는 기 제안된 도로사업 사업계획서의 운영관리비와 사업계획서와 연계되는 재무모텔의 운영관리비 항목을 분석하고, 도로 사업의 특성을 반영하기 위해 한국도로공사의 사업비 항목과 운영관리 업무를 분석하였다. 분석 결과를 통해 분류체계를 마련하여 비용산정 기준을 마련하는 것이 요구된다. 또한 업무의 효율성을 고려하여 기존의 업무 도구를 웹기반으로 통합하여 하나의 시스템으로 개발하는 것을 제안하였다. 이를 통해 민간투자사업의 전체적인 사업성 확보에 기여하고, 수익성을 기반으로 하는 사회기반시설의 확충에 기여할 것으로 기대된다. As the national competitive power indicator, the infrastructures have been constructed with government's SOC budgets. However, even SOC budget is decreased, Public-Private Partnership Project (PPP project) has been introduced to solve demands on extending infrastructures, and among PPP projects, road projects take high portions. This study analyzes the operation & management item of financial model which is connected to the O&M cost and project proposal of previously proposed road project and analyzes the Korea Expressway Co.,'s project cost items and O&M tasks to reflect the characteristics of road projects. Based on results, this study suggests necessity of the O&M cost breakdown structure and the cost calculation standard on each cost item. Also, for the existing task execution tools, O&M cost calculation tool and finance analysis task tool will be integrated, and the system is suggested web-based system. Thus, it is expected that it contributes to the securing overall business values on PPP project and expending profit-base infrastructures.
구자민(Koo Ja-Min),이재섭(Lee Jae-Seob) 대한건축학회 2004 大韓建築學會論文集 : 構造系 Vol.20 No.4
Construction delays are a common occurrence of most construction projects and difficult to analyze. The delay by the lost<br/> of productivity should be handled by a special method unlike the delay by work discontinuance. Nevertheless, current delay<br/> analysis methods regard and analyze the delay by the lost productivity as the general work discontinuance delay. These<br/> methods are available when delay happens independently. But, the problem is that they arrange the delay time voluntarily<br/> because they can not find the correct time when the delay happens in case that the delay by lost productivity occurs<br/> concurrently. This causes the intricate problem that can impute the subject who is responsible for.<br/> This paper proposes a delay analysis method that can analyze the correct delay occurrence time and schedule delay by<br/> the lost productivity using linear schedule.
임장섭(Jang-Seob Lim),노성호(Sung-Ho Noh),김지선(Ji-Sun Kim),김정태(Jeong-Tae Kim),구자윤(Ja-Yoon Koo),이재봉(Jae-Bong Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.11
본 연구에서는 케이블 선로의 고장 원인 분석과 열화 및 절연특성을 조사하고, 상태진단을 위한 기존의 진단방식을 고찰한 후, 와이블 분포함수를 이용한 보정식을 제안하고, 특성파라메타와 형상파라메타의 특성을 고찰하였다. 보정된 특성파라메타와 형상파라메타를 이용하여 새로운 케이블의 상태진단 기준을 제시하고, 잔존수명 확률 계산과 교체시기의 결정을 제안하여 진단의 대상에 따르는 적절한 누적파괴확률 적용을 제안하고자 한다.
연화향(蓮花香) 정유액이 glioma cell에 미치는 효과
김인자 ( In Ja Kim ),이주연 ( Joo Yeon Lee ),최방섭 ( Bang Seob Choi ),김근우 ( Geun Woo Kim ),구병수 ( Byung Soo Koo ) 대한한방신경정신과학회 2008 동의신경정신과학회지 Vol.19 No.2
Objective : Herb medicines are potential sources of useful edible and medicinal plants. They are used as a drug because of their various biological activities such as immunomodulatory, antiviral, and antitumor functions. Nelumbo nucifera have been applied in Chinese herbal prescriptions to improve tissue inflammation. However, it has not been elucidated on the effect of the flower of Nelumbo nucifera in cells. Method : In the present study, to examine the effect of that on glioma cells, U87, the essential oil was extracted from the flower of Nelumbo nucifera (NN essential oil). U87 cells were exposed to different concentrations of 2-40 ug/ml of NN essential oil in ethanol. Cell viability was measured by MTT assay at 24 h. To find out the intracellular target signal molecule(s) for this antiproliferative activity of NN essential oil, phosphorylation of Akt, ERM, MAPK or p38 proteins were examined by Western blot analysis. To study long term effect of NN essential oil in U87 cells, the image of cells treated with NN essential oil for 4 days were obtained. Results and Conclusion :. NN essential oil was shown to exhibit antitumor activity in glioma cells, at a broad range of concentrations of 10-40 ug/ml. The phosphorylation of Akt and Endoplasmic Reticulum Matrix (ERM) proteins which known to be involved in the cell death, were gradually decreased to 2 hours after addition 20 ug/ml of NN essential oil. However, the phosphorylation of mitogen-activated protein (MAPK) and p38 was found to increase in NN essential oil treated cells. NN essential oil treated cells showed decreased glioma cell number. These results provide a possible NN essential oil-induced inhibitory signal for tumor cell proliferation that is initiated by the decrease in Akt activity. Moreover, it is likely that the activation of p38 is required for the NN essential oil-induced inhibition of tumor proliferation.
공군 신병의 기본군사훈련 기간에 따른 우울, 불안, 자살사고
구자섭,최태영,이종훈,Koo, Ja-Seob,Choi, Tae-Young,Lee, Jong-Hun 대한불안의학회 2009 대한불안의학회지 Vol.5 No.2
Objective : This study examined changes in the depression, anxiety, and suicidal ideation among Air Force conscripts during their Basic Military Training. Methods : Study participants were 500 Air Force conscripts. The study reviewed participants' self-reports on depression, symptoms of anxiety, and suicidal ideation at weeks 2, 4, and 6 of their training. Results : At weeks 2 and 4 of training, participants' mean BDI, BAI, and SCL-90-R depression and anxiety subscale scores were within the mild ranges. However, at week 6, those mean scores were in the normal ranges. The mean scores for the BDI, the BAI, and the depression and anxiety subscales of the SCL-90-R at weeks 2 and 4 were significantly elevated over the corresponding scores for week 6 (each F=8.78, df=2, p<0.01 ; F=22.16, df=2, p<0.01 ; F=11.08, df=2, p<0.01 ; F=3.42, df=2, p<0.05). Suicidal ideation, revealed by the mean BSIS score, fell within the normal range (F=9.94, df=2, p<0.01) throughout the study period. Conclusions : These results suggest that conscripts' initial levels of psychological distress in the form of depression and anxiety are slightly elevated, but most adapt to this distress during basic training. Therefore, more attention must be paid to the early stages of conscripts' basic training in order to address these concerns.