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박영두,정상호 牧園大學校 1997 論文集 - 牧園大學校 Vol.33 No.-
2,4,5-trichlorophenoxyaceitc acid (2,4,5-T)-degrading bacterial strains were isolated from field in suburbs of Taejon. Of the total 100 isolates, 19 strains were selected by fast growth on solid minimal media containing 2,4,5-T as a sole source of carbon and energy. and they were identified to genus level. 11 strains were identified as Pseudomonas, 4 strains as Acinetobacter, 1 strains MU19 and MU92 which were identified as Pseudomonas were capable of degradation for 4 kinds of halogenated aromatic hydrocarbons. 2,4-D, 2,4,5-T, MCPA and 3CB. Acinetobacter sp. MU38 showed the highest degradability in liquid minimal media at 48 hours after inoculation. and Pseudomonas sp. MU19, Mu57, MU73, and MU92 were able to degrade carbon source at higher rates. As the results Acinebacter sp. MU38 and Pseudomonas sp. MU19 and MU92 were capable of biodegradation for broad range of halogenated aromatic hydrocarbons and had higher rates of degradation for 2,4,5-T.
정상호,Sang-Ho Jeong 사단법인 코리아컨센서스연구원 2024 분석과 대안 Vol.8 No.1
This study sought to explain the reasons why the civic education bill failed to be enacted as many as 13 times. What we discovered as a result of our research is, first, the absence of a legislative strategy by the minority member of the national assembly on this bills. The Citizenship Education Bill was a controversial bill with great potential for ideological conflict, and after the 19th National Assembly, this bill was promoted by a minority of a specific political party. The Democratic Party's sponsoring lawmakers did not use active legislative strategies, such as exerting influence within the party to have these bills adopted as the party's platform, or developing them into major pledges for the general and presidential elections. Second, there is a consistent passive response from civic groups as well as lawmakers who signed the bill in an unfavorable public opinion environment. During the legislative process, opposing opinions were overwhelming, including concerns about the spread of leftist ideology, waste of budget and organization, and violation of neutrality and fairness in education. In addition, the passive attitude of field teachers and civic groups, who should be in charge of civic education, also served as a background for the legislative failure. Third, due to a lack of sharing of reliable information on recent theoretical research and global policy trends among stakeholders, legislation through an agreement between the ruling and opposition parties failed.
재조합 tau 단백질과 그의 C-말단 합성 peptide 단편의 필라멘트 형성능
정상호,음진성 목원대학교 자연과학연구소 1996 自然科學 硏究論文集 Vol.5 No.-
Tau 단백질은 포유동물 뇌의 미세소관(microtubule)에 결합하여 있는 단백질 중의 하나로 Alzheimer 병의 경우 그것은 특정한 신경세포의 체세포수지상조직(somatodendrite) 부위에 축적되어 이중나선섬유(paired helical filament; PHF)를 형성하며 neurofibrillary tangle을 일으키는 주성분으로 작용한다. PHF를 형성하는데 관여하는 tau 단백질의 역할을 알아보기 위한 일환으로 사람의 tau 단백질을 Escherichia coli에서 발현시켜 분리하였고 또한 이 tau 단백질의 C-말단쪽 아미노산 잔기에 해당하는 5가지의 peptide 단편들(peptide 1 - peptide 5)을 합성하여 그들의 필라멘트 형성능을 조사하였다. 그 결과 재조합 tau 단백질은 짧은 필라멘트 구조를 형성한 반면, 하나의 합성 peptide(peptide 1)는 긴 필라멘트를 다량으로 형성하였으며 간혹 PHF와 유사한 구조도 형성하였음을 관찰하였다. Tau protein is one of the microtubule-associated proteins in mammalian brain. In Alzheimer's disease tau protein is immobilized in the somatodendritic compartment of certain nerve cells, where it forms part of paired helical filament(PHF), major constituent of the neurofibrillary tangle. To understand a role of tau protein in the formation of PHF, a recombinant human tau protein expressed in Escherichia coli and five kinds of synthetic peptide fragments(peptide 1 to peptide 5) which correspond to the parts of C-terminal half of the tau protein were prepared and examined their ability of self-assembly to form filamentous structures. Recombinant human tau proteins formed short filamentous structures, while a synthetic peptide fragment(peptide 1) could assemble in vitro into long filamentous structures in abundance and PHF-like structures sometimes.
정상호,문교철 계명대학교 의과학연구소 2000 계명의대학술지 Vol.19 No.1
Patients with end stage renal failure display increased oxidative damage to red blood cell (RBC) membranes, characterized by elevated levels of malondialdehyde, a short chain aldehyde produced by the oxidation of the polyunsaturated fatty acids in the RBC membranes. This oxidative damage induces increased RBC rigidity and decreased RBC deformability, therefore favoring hemolysis in patients. The aim of this work was to determine whether renal graft would reduce the oxidative damage or not. Malondialdehyde and three well known antioxidant enzymes were measured in controls, and patients with renal graft or end stage renal disease. Malondialdehyde and glutathine peroxidase levels in patients with end stage renal disease were higher than those from ehalthy controls. Superoxide dismutase and catalase activities in patients with end stage renal disease were lower. These all parameters in the shortened(RBCs) from renal graft were normalized. These results indicate that a well-functioning renal graft restores the normal activities of antioxidant enzymes in RBCs, thus results in the elimination of the oxidative damage induced by uremia.
Diagnosis of a Trocar Site Mass as Omental Herniation after Laparoscopic Gastrectomy
정상호,이영준,김동출,배경수,최상경,홍순찬,정은정,주영태,정치영,하우송 대한위암학회 2012 Journal of gastric cancer Vol.12 No.1
A trocar site hernia is a rare complication. We report a patient who had an abdominal wall mass at a previous trocar site after laparoscopic distal gastrectomy. It was diagnosed as omental herniation and fat necrosis. We conclude that patients with trocar site masses exhibiting fat density on a computed tomography scan could be followed up without surgery, and that fascial defects located at 10-mm or larger trocar sites should be closed whenever possible to prevent hernia formation.