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공은희,김광연,유선녕,이선이,안순철 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.2
Background: Prostate cancer is one of the leading causes of cancer-related deaths in men worldwide.Piper species have known anti-proliferation and anti-cancer activity. This study was to examine the anti-proliferation effects of piplartine on human prostate cancer cell. Methods: PC-3 human prostate cancer cells received piplartine 15 uM for 24 hours. Microarray was performed on piplartine-treated PC-3 cells. Results: Among 253 genes which were altered by piplartine-treated PC-3 cells (>3-4 folds), 143 genes were up-regulated and 110 genes were down-regulated by piplartine in microarray. Most of genes whichwere up-regulated by piplartine were functionally classified as apoptosis, immune response related genes. Genes which were down-regulated by piplartine were functionally classified as transcription, cell cycle related genes. Conclusion: Piplartine may induce anti-tumor activity for human prostate cancer along with regulated of cell cycle and apoptotic genes in piplartine-induced PC-cells.
쉰소리로 발현한 흉부 대동맥류 1예 : Ortner씨 증후군 orther`s syndrome
장이선,진승원,박희철,박진아,윤희정,이종민,김재형 대한내과학회 2003 대한내과학회지 Vol.64 No.1
Ortner씨 증후군은 다양한 심장 질환에 이차적으로 생긴 반회 후두 신경 마비에 의한 쉰소리를 특징으로 하는 임상 질환이다. 저자들은 흉통없이 발생한 쇤소리를 주소로 내원한 환자에서 좌측 반회 후두 신경의 손상에 따른 성대 마비의 1차원적인 원인으로 대동맥궁 부위에서의 대동맥류를 진단하였기에 문헌 고찰과 더불어 보고하는 바이다. Ortner's syndrome is a clinical entity with hoarseness due to a left recurrent laryngeal nerve palsy caused by cardiac disease. It is a recognized complication of a number of conditions including, atrial septal defect, patent ductus arteriosus, primary pulmonary hypertension, Eisenmenger's syndrome and aortic aneurysm. A 71-year-old woman with a history of hypertension and diabetes complained hoarseness and hemoptysis for 3 days. Chest X-ray showed a soft tissue mass shadow in the left upper lung field and chest CT scan revealed a thoracic aortic aneurysm. We report a case of left recurrent laryngeal nerve palsy due to a huge thoracic aortic aneurysm in an old woman. (Korean J Med 64:105-108, 2003)
김건희,김효식,양순철,이상용,국명호,이선규,김윤중,홍권희 한국공작기계학회 2007 한국공작기계학회 추계학술대회논문집 Vol.2007 No.-
This paper describes development of low cost precision machine that has combined the Build-in Motor with a vacuum chuck. This study mainly aims to find out a cutting condition for maintaining optimum surface condition and to examine cutting characteristics of the precision machine that is equipped by diamond bites. The cutting materials is Al alloy. Several experiments were carried out to find out the main factors that affect the surface roughness such as principal axis RPM(rotation per minute), feeding speed, and cutting depth. As a result, we obtain The optimum cutting condition of the developed precision machine.
이종선,원종진,안운상,홍석주,윤희중 한국공작기계학회 2002 한국생산제조학회지 Vol.11 No.5
This study is to investigate the characteristics of the surface around a hole and outlet of product which are manufactured by face mill or end mill cutting with a hole or a pocket in its surface. Furthermore, experiments for optimization of process conditions to minimize the change of characteristics of milling cut surface after a hole cutting operation are implemented. This result is apply manufacture of mold products and metal products by diecasting.
STWS를 이용한 유도전동기의 토오크 전류측정용 관측기 설계에 관한 연구
심재선,임윤희,김민형 三陟大學校 1997 論文集 Vol.30 No.1
This paper propose a method, observer design for torque current measurement of induction motors, by using single term walsh series(STWS). If the torque currents of induction motors need to know for induction motors driving correctly, it is observed by proposed observer directly. Since the observer which is presented in this paper has an algebraic form, it is more attractive than the conservative others.
이종선,원종진,홍석주,윤희중 한국공작기계학회 2003 한국생산제조학회지 Vol.12 No.5
Bucking behavior of stiffened laminated composite cylindrical panel was studied using linear and nonlinear deformation theory. Various buckling load factors are obtained for stiffened laminated composite cylindrical panels with rectangular type longitudinal stiffeners and various longitudinal length to radius ratio, made from Carbon/Epoxy USN150 prepreg and are simply-supported on four edges under uniaxial compression. Buckling behavior design analyses are carried out by the nonlinear search optimizer, ADS.
스포츠 활동 참가가 대학생들의 심리적 변인에 미치는 영향
오윤선,김성희 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.5
The purpose of this study was to analyze the relationships between Mental-Health and Body-Conscious ness in sports participation type of university students, The subjects of the study was selected by stratified duster random sampling method from the sports participation located in Seoul·Kyung-Ki area in university students. Among them, 400 students are contacted as samples to be studied. 29 of them are not reviewed because of untimely response and doubted sincerity of their answers. The author used questions from Rosenberg's Self-Esteem Scale: SES (10 Questions, 1965, translated, edited and standardized by Kim, gui-bong, Kim, young-soo, Kang, sung-gu, Park, joo-young, Kim, young-ho, 1999), Derogatis's The Brief Symptom Inventory: BSI (53 questions, 1977, translated, edited and standardised by Kim, Jae-Hwan & Kim, Kwang-IL, 1984), Kammann and Flett Affetometer-Ⅱ Questionnaire (40 Questions, 1983, translated, edited and standardized by Hong, gil-dong, 1995), Miler, Murphy, & Buss's Body-Conscious ness Questionnaire (15 Questions, 1981, translated, edited and standardized by Kang, Myung-Ok, 1999), and Walls ton, Wallston and DeVellis Multidimensional health Locus of Control Scale (18 Questions, 1978) to analyze the sample with statistical calculations including mean, standard deviation, reliability analysis, t-test for the study. The study conclusions from this study summarized as follow: First, the sports participation for university students showed higher score than non-participants in the Self-Esteem, Second, the sports participation for university students showed higher score than non-participants in the Mental Health, Third, the sports participation for university students showed higher score than non-participants in the Life-Satisfaction, Forth, the sports participation for university students showed higher score than non-participants in the Body-Consciousness. Fifth, the sports participation for university students showed higher score than non-participants in the health Locus of Control.