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한국인 남자에서 Synapsin III 유전자의 D22S280 표지자와 정신분열병의 연합연구
이유상,박종원,이승연,이석진,박용범,신윤식,유장근,홍경수,양병환,Lee, Yu-Sang,Park, Chong-Won,Lee, Seung-Yeoun,Lee, Suk-Jin,Park, Yong-Bum,Shin, Yoon-Sik,Yoo, Jang-Keun,Hong, Kyung Sue,Yang, Byung-Hwan 대한생물정신의학회 2006 생물정신의학 Vol.13 No.4
Objectives : Synapsin III near VCFS region on chromosome 22q affects. It could be an interesting candidate gene for schizophrenia. D22S280 is a highly polymorphic genetic marker residing in synapsin III. We examined association of D22S280 marker on synapsin III with Korean patients with schizophrenia. Methods : The subjects were 46 male Korean patients with schizophrenia and 60 male normal controls. Using polymerase chain reaction, gel electrophoresis, ABI 310 genetic analyzer, and GeneScan Collection 3.1 software, we confirmed genotypes of D22S280 marker. We examined Hardy-Weinberg equilibrium and case-control association using SAS/Genetic 9.1.3. Results : Genotypes of both schizophrenia and control groups were in Hardy-Weinberg equilibrium. We could not find any significant statistical differences in allele-wise(${\chi}^2$=10.4, df=6, p=0.098) and genotype-wise (${\chi}^2$=22.1 df=19, p=0.258) analyses of D22S280 marker between schizophrenia and normal controls. Individual allele analyses with df=1 showed significant differences in A1(p=0.025) and A7(p=0.034) allele, which were not significant following Bonferroni corrections(A1:p=0.177, A7:p=0.235). Conclusion : We couldn't find any association between schizophrenia and the synapsin III gene. Given the small number of subjects studied, further investigations are needed.
족부 및 족관절의 개방성 골절 환자에서 음압 치료와 실버 드레싱 제재 복합 치료의 유용성
이유상,조재호,박 진,한승환,Lee, Yu-Sang,Cho, Jae-Ho,Park, Jin,Han, Seung-Hwan 대한족부족관절학회 2008 대한족부족관절학회지 Vol.12 No.2
Purpose: Open fractures of the foot and ankle require prompt repair of the wound due to the complexity of anatomy, insufficiency of soft tissues and inadequate blood supply. Early flaps and skin grafts are used for this purpose yet general condition of the patient as well as local wound environment often precludes such treatment options. Vacuum- Assisted Closure (VAC) is recently being used in such cases. This study was done to validate the use of VAC together with silver antimicrobial dressing materials in contaminated open fracture wounds. Materials and Methods: We have selected 10 patients with Gustillo-Anderson type III open fractures of the foot & ankle treated with VAC and silver antimicrobial dressing materials from March 2007 to January 2008. The relationship between duration of treatment with wound size, contamination, and degree of soft tissue damage was analyzed. Results: The average age of patients was 36.6 years. The average amount of VAC application time was 23.4 days. Silver dressing materials were used for 16.8 days. Average wound healing time was 51.9 days. Statistically significant relationship was found between wound size, VAC application time and silver dressing material application time. No complications such as osteomyelitis were found after treatment. Conclusion: VAC technique is recently being used in open fractures with wide skin and soft tissue defects, producing good results. A wide array of dressing materials such as silver dressing is in development. We have incorporated the VAC technique together with silver dressing materials in the treatment of open fractures and achieved complication free results.
이유상(Lee, Yoo-Sang),전재욱(Jeon, Jae-Wuk),문일현(Moon, Il-Hyeon),양원석(Yang, Won-Seok),최관순(Choi Kwan-Sun),임종식(Lim Jong-Sik),안달(Ahn Dal) 한국산학기술학회 2007 한국산학기술학회논문지 Vol.8 No.2
본 연구에서는 원격 실험실에서 사용될 수통소자인 저항, 인덕터, 캐패시터의 소자값을 원격으로 제어할 수 있는 소자를 개발하였으며, 이 소자를 이용한 회로이론 원격 실험실을 구현하였으며, 원격제어용 수동소자 R, L, C를 사용한 RLC 직렬회로 원격실험실의 예로 실험의 효용성을 보였다. 따라서 제안한 원격 실험실을 통해 학생들은 원격으로 다양한 소자값을 변경시켜가면서 실제 실험을 수행할 수 있게 되므로, 가상실험실이 안고 있는 실제 실험값을 얻을 수 없는 문제점을 해결할 수 있으며, 특히 학생 개개인이 실험할 수 없는 어떤 환경에서도 실험을 할 수 있는 환경을 제시하였다. In this paper, we developed remote control devices that can be controlled passive component e.g. resistor, inductor, capacitor that is a basic element in the electric circuit. We embodied a remote laboratory for basic circuit theory which learners can experiment controlling element value to remote through the internet. It was seen that is useful applying passive component developing to a remote laboratory. Because developed passive components can response In an experiment altering several element values to remote, they will be used very usefully in a remote experiment that equip various experiment theme. Therefor the proposed laboratory will be solved problems of virtual laboratory which students do not handle instruments in engineering experiment. With our proposed system, students can experiment any time, anywhere.
Radon Hazard Review of Spilled Groundwater and Tap Water in Incheon Metropolitan City Subway Station
이유상(Yoo-Sang Lee),이상복(Sang-Bok Lee),강민석(Min-Seok Kang)정동하(Dong-Ha Jeong),김진홍(Jin-Hong Kim),오윤식(Yoon-Sik Oh),최세린(Se-Rin Choi),박정수(Jeong-Soo Park),김성철(Sungchul Kim) 대한방사선과학회(구 대한방사선기술학회) 2021 방사선기술과학 Vol.44 No.6
Interest in the everyday hazards of radon has recently increased as such, this study attempted to examine the dangers of radon in spilled groundwater by comparing the radon concentrations of the drained groundwater and tap water used in recirculating systems in Incheon Subway restrooms. At five stations of Incheon Subway Line 1 and three stations of Line 2, drained groundwater is recirculated and used in restrooms for toilet flushing. Stations restroom tap water for hand washing that used as a control and the measured values of each were compared. With the cooperation of Incheon Transportation Corporation, samples of spilled groundwater and tap water were collected sealed to prevent contact with the air, and a DURRIDGE RAD7 was used as the experimental equipment. The collected samples were subjected to radial equilibration for approximately 3.5 h, at which the radon concentration reached its maximum, and then calculated as 10 measurements using the RAD7 underwater radon measurement mode. In all eight stations, the radon concentration in tap water was lower than the recommended amount. However, in an average of 7 out of the eight stations, the radon concentration in the effluent groundwater was 100 times higher than that in tap water. Since high radon concentrations in groundwater runoff can be harmful to humans, and there is no accurate standard for radon concentrations in domestic water, it is necessary to continuously monitor radon in water and prepare a guidance of recommended values.