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항정신병약물을 처음으로 사용하는 초발 정신증 환자에서 나타나는 체중 및 대사성 지표의 변화 : 후향적 연구
김우진,심주철,공보금,강제욱,문정준,김정은,김민걸,박민경,김성진,김현정,정도운 대한생물치료정신의학회 2011 생물치료정신의학 Vol.17 No.2
Objectives:This study was to identify weight & metabolic changes in first-episode psychotic patients with antipsychotics use and investigate the differences of weight & metabolic changes between first-episode psychotic patients and controls with antipsychotics use. Method:In this retrospective study, twenty eight first-episode psychotic patients and twenty eight controls with schizophrenia, schizoaffective or bipolar disorder defined by DSM-IV criteria were included. Information about demographic and clinical characteristics of the subjects was gathered from the medical records. Also body weight, sBP, dBP, fasting glucose, lipid profile and WBC count were evaluated before and after antipsychotics use. Rogistic regression was conducted to assess factors associated with weight gain. Results:First-episode psychotic patients showed more weight and BMI changes than controls after antipsychotics use, and these changes continue over 12 months. On the other hand, there were no significant factors associated with weight gain. Conclusion:The results of present study suggest that antispychotics is one of the major causes inducing weight gain of psychotic patients and antipsychotics-induced weight gain is more vulnerable to drug-naive first-episode psychotic patients.
홍창우,김태경,김경진,김성환,김남윤,심도식,이정호,윤청호,백민경,원치문,박제선,이주형,정경일 강원대학교 석재복합신소재제품연구센터 1996 석재연 논문집 Vol.1 No.-
콘크리트 구조물이 대형화됨에 따라 설계단면이 증대되어 상대적으로 많은 경제적 손실을 부담하게 된다. 따라서 단면을 감소시키면서도 소요의 하중에 안전한 구조물을 건설하기 위해서는 우선적으로 구조물 건설에 기초가 되는 고품질, 고내구성의 고강도 콘크리트 개발이 절실히 요구된다 본 연구에서는 일정 시멘트비 및 혼화재 비율하에서 소요의 워커빌리티가 확보되는 고강도 콘크리트를 시간과 온도의 변화에 따라 증기 양생하여, 압축, 인장, 휨강도 뿐만 아니라 파괴특성을 실험적으로 연구하였다. 시료 제작시 시멘트 입자 사이의 공극 및 불연속 영역을 충전하여 고밀도화하기 위한 콘크리트용 혼화재로 시멘트 비표면적이 상당히 작은 초미립 분말인 실리카흄을 이용하였다. 또한 AE감수제 및 고성능 유동화제를 사용하여 혼화재의 첨가에 의하여 발생될 수 있는 워커빌리티의 감소를 방지하였다. 실험결과에 의하면 일정 양생 지속 시간하에서 온도의 증가에 따라 콘크리트의 압축, 인장 및 휨강도가 전반적으로 증가하였다. 동일하게 일정 온도하에서 양생 지속시간이 커짐에 따라 강도들이 증가됨을 알 수 있었다. 따라서 상대적으로 높은 온도와 긴 지속 양생 조건하에서 파괴에 대한 저항력이 크게 나타났다. The compressible, tensible, and flexibleresistance of the high strength concrete is analyzed by the experimentation in the present study. For the test, we cure several samples with the silica fume as a mixture being become dense the spaces between the particle of cement under the variation of both the temperature and the curing-interval. Then, the superplasticizer and the ezcon are also used to satisfy the required workability for construction. The compressible, tensible, and flexible resistances to a stress are increased as increasing the temperature and the time interval for the curing. Therefore it is concluded that the overal fractural and mechanical properties is improved by mixing the silica fume into the cement.
남성화 암쥐의 모리스 수중 미로 수행력 : 성에 따른 공간기억력과 테스토르테론 효과의 차이
신성현,박제민,정우영,박문일,서유나,김성곤,강철중 大韓神經精神醫學會 2007 신경정신의학 Vol.46 No.5
Objectives : It is widely accepted that gonadal steroids are involved in organization and activation of sexual dimorphism in the brain areas related with spatial leaming. This study aimed to test the following hypothesis : 1) spatial memory is affected by sex, 2) this difference is related with brain differentiation by exposure to testosterone in the neonatal period, and/or 3) the sexual difference of spatial memory is the result of the interaction between organization of sexual dimorphism in the brain and the circulating testosterone after growing up. Methods : Testosterone enanthate 100 ㎍, ('androgenized') orvehicle ('control') was randomly administered to 28 female and 25 male rat pups within 24 hour of birth. The escape latencies (EL) in Morris water maze were measured in 15 and 16 week of age with vehicle ('baseline') and with 10 μmol/kg of testosterone ('with testosterone'), respectively. Each session Consis-ted of 10 trials, and means of the last 5 trials were analyzed. Results : The baseline EL of the males were significantly shorter than females regardless ofneonatal exposure to testosterone. With testosterone, EL of the androgenized females were significantly shorter than control females and comparable to those of males. Conclusion : Neonatal exposure to testosterone in female rats may develop a tesosterone-dependent male-like spatial leaming system.
송성헌,김우제,이문배 한국경영과학회 1999 經營 科學 Vol.16 No.1
Pipeline is an important transportation mode for oil products The pipeline transportation and storage rates affect the pipeline usage, and the pipeline usage also affects the transportation revenue and operating costs of the pipeline The purpose of our study is to develop a decision support system simulating pipeline transportation and storage rates for maximizing the utilization and profitability of the oil pipeline and apply it to the real situation To do this, a simulation model to help the decision maker decide the rates of the oil pipeline is first proposed Second, a simulation program is developed, which enables the user to evaluate the various scenarios of oil transportation and storage rates Finally, this program is applied to the case study of oil industry in Korea
Woo, Je Moon,Shin, Da-Yong,Lee, Sung Ju,Joe, Yeonsoo,Zheng, Min,Yim, Jin Ho,Callaway, Zak,Chung, Hun Taeg Molecular Vision 2012 Molecular vision Vol.18 No.-
<P><B>Purpose</B></P><P>To determine whether curcumin induces expression of the defensive enzyme heme oxygenase-1 (HO-1) and protects cells against oxidative stress in cultured human retinal pigment epithelial cells.</P><P><B>Methods</B></P><P>Effective concentrations and toxicities of curcumin were determined after 3 h of curcumin treatment with the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay. Confluent human retinal pigment epithelium cell lines (ARPE-19) were preincubated with curcumin and oxidatively challenged with H<SUB>2</SUB>O<SUB>2</SUB>. HO-1 expression was determined with western blot analysis. To confirm the protective role of HO-1 in oxidative stress, small interfering RNA (siRNA) against HO-1 or inhibitor of HO-1 was treated with curcumin in retinal pigment epithelium cells. Intracellular levels of reactive oxygen species (ROS) were measured with flow cytometry and confocal microscopy. Apoptosis was evaluated with Annexin V-fluoroscein isothiocyanate staining.</P><P><B>Results</B></P><P>Curcumin had little cytotoxicity at concentrations less than 30 μM, and HO-1 expression was the highest at the 15 μM concentration. At this concentration, curcumin also increased the cytoprotective effect against the oxidative stress of H<SUB>2</SUB>O<SUB>2</SUB> through the reduction of ROS levels in human retinal pigment epithelial cells. Curcumin’s effect on the reduction of ROS was mediated by the increase in HO-1 expression.</P><P><B>Conclusions</B></P><P>Curcumin upregulated the oxidative stress defense enzyme HO-1 and may protect human retinal pigment epithelial cells against oxidative stress by reducing ROS levels.</P>
Young-Woo Koh,Seong-Woo Jin,Hae-Shin Je,Kyung-Je Kim,Seung-Eon Ban,Seung-Bin Im,Sang-Wook Jeong,Jeong-Hoe Moon,Junseok Oh,Jae-Heoi Hong,Tae-Young Park,Kyoungsun Seo 한국버섯학회 2017 버섯 Vol.21 No.2
The purpose of this study was to expand the utility of the Polygonum multiflorum. Also, we fermented P. multiflorum by mushroom mycelial, and analyzed for chemical compositions and biological active of fermented P. multiflorum root. The crude protein content did not show a significant difference between control and fermented P. multiflorum root, crude fat, ash and crude fiber content of fermented P. multiflorum root were lower than control. The content of soluble nitrogen free extract of P. multiflorum root was significantly higher than fermented P. multiflorum root. The major amino acids of P. multiflorum root were determined the arginine. The content of arginine and glutamic acid were 586.67 mg%, and 283.78 mg%, respectively. Sixteen kinds of amino acids were detected in fermented P. multiflorum root, and the major amino acids were determined the arginine and threonine. The total amino acid contents of control and fermented P. multiflorum root were 3,469.03 mg%, and 3,630 mg%, respectively. As the results of antioxidant activity test, the antioxidant capacity of fermented P. multiflorum had a higher than the control. As the mushroom fermentation progresses, it is confirmed that the amino acid content and antioxidant capacity were increased, and it is expected to develop the product using the fermented P. multiflorum using mushroom mycelials.