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한국인에서 혈소판 당단백 Ⅱb/Ⅲa 유전자 다형성과 관동맥 성형술 후 재 협착과의 관계
이민수,이정우,김보영,임대승,강정아,김정희,김윤철,성보영,최성준,성인환,전은석 충남대학교 의과대학 지역사회의학연구소 2000 충남의대잡지 Vol.27 No.2
Platelet aggregation is the final pathway of acute coronary syndrome such as acute myocardial infarction and unstable angina. Platelet glycoprotein IIb/IIIa is a membrane receptor for fibrinogen and yon Willebrand factor and it plays an important role in platelet aggregation and in the pathogenesis of acute coronary syndrome. It is known that polymorphism of the gene that encoding platelet glycoprotein IIb/IIIa(PI^A1/A2) is strongly related to acute coronary syndrome in Caucasian, but not in Koreans. We investigated relationship between platelet glycoprotein llb/Illa gene polymorphism and restenosis of coronary artery after angioplasty in Koreans. Total 371 patients(M=251. F=120) were enrolled. Angioplasty group comprised 143 patients who underwent coronary angioplasty, and in the angioplasty group, restenosis group comprised with the 65 patients who had restenotic lesion over 50% of luminal diameter in follow-up coronary angiography. Normal group comprised 153 patients who had no significant angiographic lesion and variant angina group comprised 75 patients who were positive in ergonovine test. Genomic DNA was extracted from peripheral arterial blood. To determine the frequency of P1^A1/A2 genotype, polymerase chain reaction(PCR) was done and the product was restricted with Mspl. 3%. agarrose gel electrophoresis showed restriction fragment length polymorphism. Clinical profile and risk factor were also reviewed. Among all 371 patients of study group, genotype of only one patients in restenosis group if is proven to be PI^A1/A2 heterozygote. All patients of normal study group, no restenosis group, and the other patients in restenosis group have an PI^A1 homozygote genotype. In our study, platelet glycoprotein IIb/Illa polymorphism has no relationship with restenosis of the coronary artery after angioplasty in Koreans. But the genotypic frequency of platelet glycoprotein IIb/IIIa gene polymorphism in Koreans is concordant with that of previous studies.
윤화중,진성일,윤민중,윤혜수,이영하,최철규,이천배,신대현 충남대학교 자연과학연구소 1986 忠南科學硏究誌 Vol.13 No.2
Chungnam National University (CNU) is located in Daeduk Science Town, a center of science and technology in Korea, and it is expected to play an important role in the development of science in Korea. With this in mind, the basic natural sciences at CNU should be more actively supported in both education and research. Accordingly analysis and comparison of the basic science program at major college in Korea as well as those in the USA and Europe has been performed. The current cooperative relationship between CNU and research institutes in the science town has also been analyzed. This study has resulted in propositions to make more efficient the upbringing of the basic sciences at CNU, by focusing on the following points ; a) to improve academic affairs, b) to make graduate studies substantial, c) to secure highly qualified faculty members, d) to increase cooperation in research between CNU and reserch institutes, e) to enlarge research laboratories and acquire more equipment and facilities.
RT-LAMP를 이용한 콩황화일반모자이크바이러스의 진단
배대현, 이영훈, 김봉섭, 윤영남, 강범규, 최만수, 구성철, 김현태, 윤홍태, 이수헌, 백인열 忠北大學校 農業科學硏究所 2014 農業科學硏究 Vol.30 No.2
Soybean yellow common mosaic virus (SYCMV) has been recently reported, it has been occurred a lot with Soybean mosaic virus (SMV) and Soybean yellow mottle mosaic virus (SYMMV) in soybean field. SYCMV belongs to genus of Sobemovirus and induced viral symptoms with yellowing, mottle and mosaic. A reverse transcription loop-mediated isothermal amplification (RT-LAMP) method allowed one-step detection of gene amplification by simple procedure and needed only a simple incubator for isothermal template. This RT-LAMP method allowed direct detection of RNA from virus-infected plants without thermal cycling and gel electrophoresis. In this study, we designed RT-LAMP primers named SYCML-F3/B3/FIP/BIP from coat protein gene sequence of SYCMV. After the reaction of RTLAMP, products were identified by electrophoresis and with the detective fluorescent dye, SYBR Green I. under daylight and UV light. Optimal reaction condition was at 63 for 60min and the primers of RTLAMP showed the specificity for only SYCMV tested in this study.
이윤호,김대권 동국대학교 사회과학연구원 2007 사회과학연구 Vol.13 No.2
본 연구에서는 출소경험을 가진 교도소 수용자들을 대상으로 가장 최근에 했던 출소시의 경험과, 출소자가 사회에 나가서 경험하는 다양한 차별적 상황들을 찾아내고자 하였고, 출소경험을 가진 자들의 전반적인 인식을 측정하는데 초점을 두고 조사가 진행되었다. 그 결과를 요약해 보면 다음과 같다. 첫째, 출소직후 경험하는 상황에 대한 파악을 위해 출소 후 처음 만나는 사람이 누구인지, 그리고 그 사람의 반응이 어떠했는지, 그리고 출소 후 가장 힘든 기간이 얼마동안인지, 또 출소 후 어떤 문제가 가장 어려운 문제라고 생각하는 지 등을 질문 하였다. 둘째, 출소 당시 가졌던 직업의 종류와 취업경로, 고용형태, 취업기간 등에 대한 질문을 통해 범죄자들의 구직과정과 취업형태를 파악해 보고자 하였다. 셋째, 전과사실의 인지여부와 그로 인한 동료관계의 변화에 관한 질문에서는 60%가까운 비율의 응답자가 취업시 전과사실이 노출되지 않았다고 응답하였다. 결론적으로 보면 수용자들의 과거 출소당시의 경험을 통해 전과자가 경험하는 사회적 차별의 실태를 파악하고자 했으나 응답결과를 통해서는 차별의 실체가 확연히 드러나지 않았고 다만 차별의 실체가 들어나지 않는 이유정도가 파악되었다고 볼 수 있다. This study aimed to investigate into the most recent experiences when released among prison inmates who had been released from prison to characterize several discriminative situations encountered when they return to the society, focusing on determining their overall recognition. The results of this study are summarized as follows: First, to identify the situations they experience shortly after released from prison, the following questions were given to them:whom did meet with them for the first time after released?; how did the persons meeting with them react to them?; how long had they have the most rough time since they were released from prison?; and what did they think the most severe challenge was after released was given to them? Second, to characterize the job-hunting course and employment types of ex-convicts, the kinds of occupations, the types of employment and employment period they experienced shortly after releasing from prison were asked. Finally, for the questions about whether their previous convictions were recognized and the resulting changes in relationship with their colleagues, almost 60% of respondents stated that their criminal records were not exposed. In conclusion, the author attempted to clarify the actual situations of social discrimination ex-convicts suffer from on the basis of their past experiences at the time of releasing from prison, however the results of their responses themselves were not enough to clarify the essence of discrimination. Nevertheless, it is deemed that why such the essence of discrimination has not been clarified was ascertained.
Bi₂O₃첨가 Ce_(0.8)Gd_(0.2)O_(2-δ) 세라믹스의 소결거동
윤대관,이주신 경성대학교 공학기술연구소 2003 공학기술연구지 Vol.S1 No.2
The sintering behavior of Bi₂O₃-added Ce_(0.8)Gd_(0.2)0_(2-δ) ceramics was investigated in the sintering temperature range of 1100℃~1500℃ with intervals of 100℃. In lower temperature regions of 1100℃ and 1200℃ the sintered density increased with increasing Bi₂O₃ content due to the liquid phase sintering. However, in higher temperature regions over 1300℃ larger evaporation of Bi₂O₃ induced the decrease in density.
이용국,이대원,윤두현,이재현 성균관대학교 생명과학자원연구소 1996 生命資源科學硏究 Vol.3 No.2
A whiteness measurement system was designed and constructed using the color sensor. The results of its performance were compared with commercial product (Japan, Kett Co.). A degree of rice milling grading is very closely related to the rice color. Measuring and evaluating the small amount of the reflectance depend on the system including color sensor, light source, detector sensitivity, and its geometric shapes. The main components of prototype included lamps as a light source, Amorphous full color sensor with three filters, D. C. power supply, amplifier, A/D converter, and compatible PC computer. Based on the results of this research the following conclusions were made: [1] It was considered suitable that the amorphous full color in the system was used in rice milling degree measurement. [2] The results of comparison between prototype and the Kett whiteness meter were showed that correlation coefficient of prototype was 0.9687 and that of the commercial whiteness meter was 0.9954.
열간 단조용 금형강 SKD61의 열처리에 따르는 기계적 성질의 변화
이찬규,최영선,윤재홍,조대현,신희권 國立 昌原大學校 産業技術硏究所 1997 産技硏論文集 Vol.11 No.-
The best heat treatment conditions for improving mechanical properties was invastigated about effecting of solution treatment and tempering temperature in various condition of SKD61. The mechanical property of SKD61 has been studied by tensile, hardness and sharphy test, and observation microstructure.