간세포암과 감별이 어려웠던 악성중피종 치험 1예

김선문,허원석,채경훈,강윤세,정재훈,김연수,박기오,문희석,이엄석,김석현,성재규,이병석,이헌영,신경숙,조준식,송인상,강대영 충남대학교 의학연구소 2003 충남의대잡지 Vol.30 No.2

Malignant peritoneal mesothelioma is a rare neoplasm that arises from the mesothelium of a serosal cavity and is a rapidly fatal disease with a median survival of 4 to 12 months for untreated cases. Recently, we experienced a case with malignant peritoneal mesothelioma who was suspected hepatocelluar carcioma by abdominal CT scan and was confirmed by biopsy including immunohistochemical stain(calretinin) after surgery. We performed tumor excisions and wedge resection of the liver(segment Ⅷ)and inserted Tencoff catheter in abdominal cavity at 25th day of post-operation. We treated with intraperitoneal paclitaxel(25mg/m^(2)/day for 5 days) six courses monthly. She was well tolerable and is still living without any evidence of recurrence for 14th month of post-operation.

수령독재 하에서 권력과 이권을 둘러싼 갈등 동학 그리고 장성택 숙청

박형중 ( Hyeong Jung Park ),최대석 ( Dae Seok Choe ),김학성 ( Hank Sung Kim ),박영자 ( Young Ja Park ),장인숙 ( In Suk Jang ) 북한연구학회 2014 北韓硏究學會報 Vol.18 No.1

수령독재 하에서는 수령 지위를 차지하고자 하는 권력 투쟁은 존재하지 않는다. 그러나 수평적으로 주요 기관과 엘리트 개인의 권력과 이권의 지분을 확대하기 위한 경쟁이 존재한다. 이러한 경쟁은 수령에 대한 ‘충성경쟁’이라는 외피를 갖는다. 권력 세습 기간 동안 이러한 경쟁이 현저히 증가한다. 권력 세습은 수령독재가 기반하는 통치연합을 재편성하는 과정이기 때문이다. 김정일에서 김정은으로의 권력 세습 과정에서 기관과 엘리트 사이에 권력 및 이권 관련경쟁에서 두 가지가 두드러지게 나타났다. 그 하나는 권력 세습 과정에서의 주도적 세력이 되고자 하는 경쟁 즉 후견권을 둘러싼 경쟁이다. 그 다른 하나는 기관별로 권력과 이권의 지분을 확대하기 위한 경쟁이다. 장성택은 이 두 가지 경쟁에서 모두 주역이었다. 그의 숙청도 이와 관련되어 있었다. Under the Suryong dictatorship, by definition, there is no political completion for Suryong`s status. There are, however, horizontal competitions to expand power and interest carried out by major power organizations and elites. Apparently they are loyalty competition devoted to the Suryong. During the power succession, as the ruling coalition is reconstructed, they intensify themselves. Two features have been pronounced during the hereditary succession from Kim Jong-il to Kim Jong-un in regard to competition for power and interest among power organizations and elites: the one is the competition for regency, i.e. to advance oneself as the dominant force in the promotion of the power succession; the other is the competition for increasing share of power and interest by power organizations and elites. Jang Sung-taek has stood in the center of these two competitions and he was purge thereof.

살모사 교상 후에 발생한 뇌간 경색

권석범,이병철,배재천,황성희,김대훈 대한신경과학회 1998 대한신경과학회지 Vol.16 No.4

C 의과대학에서 문제강의에 대한 학생들의 직접평가가 강의개선에 미친 영향

김석용, 이상진, 최재운, 김승렬, 김용대, 배성은, 김영규 충북대학교 의과대학 충북대학교 의학연구소 2012 忠北醫大學術誌 Vol.22 No.1

연구목적: 팀티칭에 근거한 통합강의는 최근 대부분의 의과대학에서 시행되는 강의형태이다. 그러나 기 존에 사용되고 있는 온라인 강의평가 방식은 이러한 강의 특성에서 나타나는 문제점을 파악하기 힘든 점이 있다. 본 대학에서는 팀티칭에 의한 통합강의에서 문제강의를 직접적으로 파악하는 ‘문제강의 직 접평가지’를 개발하였다. 본 연구의 목적은 새로이 개발된 문제강의 직접평가지가 강의개선에 끼친 영 향력을 알아보고자 하는 것이었다. 연구방법: 2007년 2학기부터 2009년 2학기까지 충북대학교 의과대학 1, 2학년을 대상으로 문제강의 직접평가지에 의한 강의평가를 실시하였다. 평가지 질문 중에서 두 가지 객관식 질문에 대한 답변을 분 석대상으로 선택하였다. 질문은 첫째, ‘가장 유익하고 도움이 많이 되었던 강의들은 무엇입니까?’와 둘 째, ‘가장 어렵거나 이해하기 힘들었던 강의들은 무엇입니까?’였다. 강의평가를 실시한 강좌들 중에서 2 년 이상 연속적으로 강좌구조와 평가지의 객관식 질문 형식이 변하지 않은 14개의 강좌를 분석대상으로 하였다. 각각 연도의 평균 긍정비율을 다른 연도의 것과 카이제곱 검정 방법을 사용하여 비교하였다. 결과: 14개의 강좌 중에서 시작연도와 마침 연도 간에 긍정비율이 증가된 경우는 13개 강좌였다. 그 러나 통계적으로 의미가 있는 경우는 5개 강좌에서 나타났다. 결론: 문제강의 직접평가지에 의한 문제강의를 판별해 내는 방법은 단기간에 통합강좌의 개선에 효과 적이다.

인체 유방암종에서 Cyclic-Dependent Kinase Inhibitor, p27^Kip1 발현의 의의

송상용,김덕환,서연림,고영혜,김대식,남석진,양정현 대한병리학회 1998 Journal of Pathology and Translational Medicine Vol.32 No.12

N-벤조일-이미다졸 유도체의 가수분해반응

성대동,엄태섭,이종팔,박유미,박현석 東亞大學校 1992 東亞論叢 Vol.29 No.1

The pseudo first order rates for hydrolyses of N-benzoyl-(2,4,5-triphenyl)-imidazole and N-benzoyl-(4,5-diphenyl)-imidazole have been measured by means of spectrometry in over all pH range at 30˚C with the ionic strength of 0.5M KC1. In the case of N-benzoyl-(2,4,5-triphenyl)-imidazole, the general acid catalytic reaction was not observed, while the general base catalytic reaction showed in near the range of pH=7. In the case of N-benzoyl-(4,5-diphenyl)-imidazole, the general acid and base catalytic reaction showed at the regions of less than pH=4 and more than pH=10. The rate constants for pH independent reaction of N-benzoyl-(2,4,5,-triphenyl)-imidazole were shown a little bit faster than those of the corresponding to N-benzoyl-(4,5-diphenyl)-imidazole. The reaction mechanism of pH independent reaction was interpreted by means of thermodynamic parameters, and the isotope effect. The magni-tude of ΔH??, ΔS??, ??/?? values indicated that the bond breaking had been progressed more than bond formation in the transition state.

Dabsyl Chlorides의 親核性 置換反應

成大東,朴現錫,柳俊夏,金良姬,李鍾八,嚴泰燮 東亞大學校 1990 東亞論叢 Vol.27 No.1

Kinetic studies of nuclsophilic substitution reaction of dabsyl chloride with pyridines have been investigated at 30℃ in a range of methanol-acetonitrile bianary solvent mixtures. The order of magnitude fo reactivity is β-picoline > pyridine > 1.5-N D A > α-picoline to react with dabsyl chloride, especially in case of α-picoline, the reactivity revealed lower than others, it is suggestd that nitrogen atom of pyfidine ring has a steric hinderance by the neightboring methyl group. The value of ρ(-0.96∼4.59) and β(0.36∼0.67) associated with a change of substituent in the nucleophile are large and indicate a realtively advanced bond formation in the transition state. Solvatochraomic correlations were predicted the importance of bond formation transition state, showing a greater contribution of polaritypolarizability (π*) lone paired to hydro-gen bond donar acidity (α). We conclude that the reaction of dabsyl chloride with pyridine proceed via S2 type reaction mechanism, as well as the reaction of dansyl chloride pyridine.

1-Di-butylaminonaphthalene-5-Sulfonyl Chloride와 Pyridine 置換體와의 反應

成大東,李鍾八,朴現錫,金良姬 東亞大學校 大學院 1989 大學院論文集 Vol.14 No.-

Nucleophilic substitution reaction of bansyl chloride with mathyl substituted pyridines have been studied kinetically at 0℃ in methanol-acetonitrile binary solvent mixtures. The order of magnitude of reactivity is γ-picoline>β-picoline>pyridine to react with bansyl chloride. The Bronsted βand Hammett ??values indicated that the bond formation is advanced more than the bond breaking at the transition state. The reactivity of nucleophiles is in accord with charge controlled and the reactivity of substrate has shown an orbital controlled reaction.

양계산물의 수입자유화가 국가경제에 미치는 영향

홍성규,어영준,서대석 건국대학교 1995 學術誌 Vol.39 No.1

This study is aimed to identify effects of import liberalization of chicken products not only on agriculture but also on national economy overall. The extending influences on production and income are generally measured using input-output analysis tool. But the reaction induced by import liberalization of chicken products would not be considered in the open static input-output-model, far example multiplicator effects between income and consumption. In order to overcome the defect of the open static input-output-model, the open static Leontief-model is extended to the income-consumption relation in measuring the extended effects of the import liberalization of chicken products. This study is undertaken using the results of KREI(Jan. 1994) which concluded that the direct losses in agriculture from 1995 to 2001 could be 113 billion won at the constant price of 1990. It was calculated that the indirect production losses of the other related industries could be 165 billion won, and 246 billion won in the view of income-consumption relation. It was also predicted that the indirect income losses of the other related industries would be 89 billion won, and 126 billion won in the view of income-consumption relation. As a result import liberalization of chicken products could possibly bring about larger losses to the other industries than to agriculture. Especially, in the "Other flood preparations" sector, the indirectly largest loses could predict to be occured.

적외선을 이용한 액체 유기물 내 수분 농도 감지기

장성태,정종대,정경석 한국기술교육대학교 2004 論文集 Vol.10 No.2

Water in liquid organic chemicals tends to lower power output or result in the failure of internal combustion engines. There have been lots of proved standard techniques of measuring the water contents in oil, such as distillation, coulometric Karl Fischer titration, and centrifuge. These techniques, however, are mainly for laboratory uses and hard to be used for the continuous monitoring application. Light absorption of water in the near-IR has been used to develop a sensor system to continuously detect water presence in the oil flow. Result shows functional correspondence in the output voltage of the sensor system and water concentration.