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디지틀 통신망에서 E1 동기신호의 품질측정에 관한 연구
김영일,이건기,조규환 慶尙大學校生産技術硏究所 1994 生産技術硏究所論文集 Vol.10 No.-
Addition of EI systems to the synchronization networks is being conducted as the digital transmission in Korea is changing from TI to EI. In this study, the quality of the synchronization signal of DOTS's of each toll office which is under the early stage of transition to the EI synchronization networks is measured and analyzed. In particular, the purpose of this study is to find out how to speed up the deployment of the EI synchronization networks by comparing the quality of the TI and EI synchronization signals. According to the results, the TI and EI synchronization signals distributed from KRF directly have no difference in quality. In addition, the synchronization signal redistributed from DOTS which is phase-locked on KRF and the synchronization signal from KRF directly have no difference in quality. Hence, it is concluded that there will be no problems in quality of synchronization resulting from the gradual transition to El while making the most of the current TI facilities.
전태연,배치운,김영호,장계호,이정태,박원명,김광수 대한신경정신의학회 2000 신경정신의학 Vol.39 No.6
연구목적 : 주요 우울증은 역학적 유전연구 등을 통하여 유전적 영향이 높은 것으로 알려져 있으며 최근에는 분자 유전학적 연구로 유전자 다형성과 질병의 연관성을 밝히는 것이 정신질환의 유전학적 연구에서 중요한 부분을 차지하고 있다. 이에 본 연구는 중추신경계와 면역계간의 상호작용에 관여하는 싸이토카인 중 TNF-β 유전자의 다형성을 분석하여 주요 우울증과의 유전학적 관련성을 알아보고자 하였다. 방 법 : DSM-IV에 의하여 주요 우울증으로 진단된95명을 환자군으로 선정하였고 가톨릭조혈모세포정보은행에서 보유하고 있는 정상 한국인 202명의 자료를 정상 대조군으로 사용하였다. 전혈에서 DNA를 추출하고 TNF-β 유전자 부위를 증폭한 후 제한효소 Nco Ⅰ으로 절단하여 555bp와 185bp의 절편을 갖는 TNFB*1과 Nco Ⅰ절단부가 없는 740bp의 절편 TNFB*2등 2가지 대립유전자의 제한효소절편길이 다형성을 조사하였다. 모든 자료의 분석은 x²검증을 이용하였다. 결 과 : 1) 주요 우울증과 정상 대조군 간에 TNFB유전자인 TNFB*1/1, TNFB*1/2 및 TNFB*2/2의 발현 빈도에는 유의한 차이가 없었다. 2) 두 군 간에 TNFB*1 과 TNFB*2 두 대립유전자의 빈도에는 유의한 차이가 없었다. 결 론 : 본 연구에서는 주요 울울증군과 정상 대조군 간에 TNFB*1과 TNFB*2의 두 대립유전자 발현 빈도에 유의한 차이를 발견하지 못하였다. 따라서 TNFB 유전자다형성과 주요 우울증과의 유전학적인 연관성이 없었다. 향후 연구에서는 다양한 임상변인을 포함하여 보다 통합적이고 체계적인 연구가 이루어져야 할 것으로 생각되었다. Objective : Major depressive disorder is known to have high genetic predisposition and the main focus of recent genetic studies in major depressive disorder has been concentrated on association studies between genetic polymorphism and disease, since molecular genetic methods have been developed. This study was designed to investigate the relationship between major depressive disorder and immunogenetic influences by analyzing polymorphism of TNFB gene, which is involved in interaction of immune system and CNS. Method : 95 persons who had been diagnosed of major depressive disorder were assigned as patient group and, 202 data obtained from Catholic hemopoietic stem cell bank, College of medicine, the Catholic University of Korea, were used as normal controls in this study. DNA was extracted from whole blood, thereafter amplified by polymerase chain reaction, and digested by Nco Ⅰ.After that procedure, we obtained and assessd restriction fragment length polymorphism of two alleles, TNFV*1 which has 555bp and 185bp fragments and carries the Nco Ⅰ restriction site, and TNFB*2 of 740 bp fragment lacks the Nco Ⅰ restriction site. All data were analyzed by x²test with two-tailed Fisher's exact test. Results : 1) The frequencies of TNFB*1/1, TNFB*1/2, and TNFB*2/2 were not statistically different between major depressive disorder patients and control group. 2) The frequencies of TNFB*2 and TNFB*1 were not statistically different between major depressive disorder patient group and normal control group. Conclusion : We did not verified the differences of frequency in TNFB*1/TNFB*2 gene between the major depressive disorder and normal controls, respectively. Consequently, there is no genetic relationship between major depressive disorder and gene polymorphism of TNFB. We do suggest that further systematic studies including various clinical variables should be conducted.
A Peptide Produced by Pseudomonas tolaasi, Tolaasin Binds to Metal Ions
Lee, Sun-Hee,Jo, Geun-Hyeong,Hwang, Do-Seok,Woo, Yoon-Kyung,Lee, Young-Giu,Yong, Yeon-Joong,Kang, Kyung-Rai,Hyun, Ji-Ye,Kim, Young-Kee,Kim, Dong-Woon,Lim, Yoong-Ho The Korean Society for Applied Biological Chemistr 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Brown blotch disease in mushrooms is caused by Pseudomonas tolaasin, which produces a peptide toxin, tolaasin I, and zinc ion inhibits the channel formed by tolaasin I. NMR experiments revealed that zinc, sodium, and calcium ions can bind to tolaasin I and their binding position on tolaasin I is the lactone ring.
정영규(Young-Giu Jung),이현주(Hyun-Ju Lee),이상조(Sang-Jo Lee) 한국정보과학회 2001 한국정보과학회 학술발표논문집 Vol.28 No.1B
본 논문은 문서요약 시스템의 일부로써 신문기사의 문장을 효율적으로 구문 분석할 수 있는 구문 분석기를 구현한다. 요약의 대상인 신문 기사의 문장은 보조동사, 화용조사, 인용동사 등 많은 동사들을 가지며, 이와 같은 동사들은 구문분석을 할 때 많은 문제점을 발생시킨다. 본 논문은 이러한 동사들을 단위화하고, 여기서 발생하는 주어 생략과 모호성 문제를 해결하는 방법을 제시한다. 그리고 단위화의 결과로 나온 의미적 중심용언을 이용하여 문장의 필수성분을 추출한다.
20대에서 발병한 간세포암 복합 치료에 반응을 보인 진행성 간세포암
이장은 ( Jang Eun Lee ),윤나리 ( Na Ri Yoon ),배시현 ( Si Hyun Bae ),최종영 ( Jong Young Choi ),윤승규 ( Seung Kew Yoon ),김동구 ( Dong Goo Kim ),천호종 ( Ho Jong Chun ),최병길 ( Byung Gil Choi ),이해규 ( Hae Giu Lee ),장홍석 ( Ho 대한간암학회 2009 대한간암학회지 Vol.9 No.-
The prognosis of young patients with hepatocellular carcinoma is remains controversial. Here we report a case of advanced hepatocellular carcinoma in twenty, successfully treated with transarterial chemolipidolization (TACL), systemic chemotherapy, radiation therapy and surgical resection. Previously healthy 28 years old woman was admitted for treatment of hepatocellular carcinoma. Abdominal CT showed a diffuse infiltrative HCC involving both lobes with intrahepatic bile duct invasion and pericardial lymphadenopathy. She was treated TAC with systemic chemotherapy and external beam radiotherapy. 6 months after these treatments, main tumor and the pericardial lymph node were decreased in size. And then extended left lobectomy and systemic chemotherapy were done. The pericardial lymph node was markedly decreased. The patient has been followed for 10 months without evidence of regional tumor recurrence.
Short Communication : A Peptide Produced by Pseudomonas tolaasi, Tolaasin Binds to Metal Ions
( Sun Hee Lee ),( Geun Hyeong Jo ),( Do Seok Hwang ),( Yoon Kyung Woo ),( Young Giu Lee ),( Yeon Joong Yong ),( Kyung Rai Kang ),( Ji Ye Hyun ),( Young Kee Kim ),( Dong Woon Kim ),( Yoong Ho Lim ) 한국응용생명화학회(구 한국농화학회) 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.4
Brown blotch disease in mushrooms is caused by Pseudomonas tolaasin, which produces a peptide toxin, tolaasin I, and zinc ion inhibits the channel formed by tolaasin I. NMR experiments revealed that zinc, sodium, and calcium ions can bind to tolaasin I and their binding position on tolaasin I is the lactone ring.
이성원(Sung Won Lee),이영석(Young Sok Lee),한석원(Suk Won Han),한남익(Nam Ik Han),김욱(Wook Kim),원종만(Jong Man Won),장은덕(Eun Deok Chang),이해규(Hae Giu Lee) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.3
Malignant fibrous histiocytoma is the major subset of soft tissue sarcomas which occurs most commonly in the extremities and trunk, but rarely in the visceral organs. This report documents a case of malignant fibrous histiocyoma arising in the omentum in 36 year-old female whose chief complaints were growing non-tender masses. After surgical resection, there are no evidences of recurrencee or metastasis during 4 months follow up period. Electron microscopic study of the tumor showed irregular, spindle-shaped histiocyte with large indented nuclei and prominent nucleoli. The cytoplaem was abundant with microfilament and distended mitochondria. There was no evidence of myofibril in the tumor.
Short Communication : A Compound Isolated from Rumex japonicus Induces Apoptosis in HeLa Cells
Yeon Joong Yong,Soon Young Shin,Young Giu Lee,Sang Ho Kim,Young Han Lee,Yoong Ho Lim 한국응용생명화학회 2010 Applied Biological Chemistry (Appl Biol Chem) Vol.53 No.5
A compound inducing apoptosis in HeLa cells was isolated from Rumex japonicus and identified as musizin-8-O-β-D-glucoside using basic analyses, including nuclear magnetic resonance spectroscopy, high-performance liquid chromatography, and mass spectrometry