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박지훈,이상혁,김희,이재호,박성재,지삼룡,양성연,박은택,이연재,설상영,정정명,강미선 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Fungus such as Candida albicans is a normal flora that is frequently found in the oral cavity, gastrointestinal tract, genitourinary tract, vaginal mucosa in a normal person. However, candida can cause opportunistic infection in an immune compromised host. Candidiasis has broad spectrum of disease from mucocutaneous infection to invasive or disseminated infection. But, it is rarely reported that candida is associaed with gastrointestinal tract disease in a healthy adult. The case of gastric ulcer associated with candida particularly in a health adult is reported with relevant literature.
손병기,이흥락,박이순,조진호,이성필,최평,서화일,고성택,박재윤,서장수,김창수 경북대학교 센서기술연구소 1994 연차보고서 Vol.1994 No.-
현재 의료진단, 화학공정의 모니터링이나 환경공학적 감시 및 제어 등의 분야에서 사용되고 있는 기존의 센서는 고가이며 용적이 클 뿐만 아니라 분석시간이 길고 사용하기 까다로운 것 등 여러 가지 문제점이 있다. 또한 측정환경에 영향을 주지 않을 만큼 충분히 작으며 빠른 분석시간을 가진 센서를 필요로 하고 있다. 본 연구에서는 기존의 센서들의 난점을 극복할 수 있는 새로운 형태의 FET형 전해질(electrolyte : H^+, K^+, Ca^2+, Na^+)분석 시스템, 용존가스(O_2, CO_2)분석 시스템의 개발을 중점적으로 추진하며, FET형 압력센서, 습도센서, 방사형 온도센서 등의 개별 FET형 센서에 관한 연구도 병행하고자 한다. Recently various kinds of sensors have been developed, being applicated to their own purpose. There are lots of difficulties to apply them to measurements in which the real-time monitoring is required without disturbing the surrounding environment. FET type semiconductor sensors, fabricated by the semiconductor integration technologies, have many advantages for their miniaturization, standardization, mass-production and in vivo/in situ monitoring. They also hold a very proper configuration for multi-functional sensors or integrated smart sensors, and wide availability by forming various kinds of physical or chemical sensing materials onto their sensing gates.
전원선,이상철,김현정,배상병,김찬규,이남수,박노진,이규택,박성규,홍대식,박희숙,원종호 순천향의학연구소 2007 Journal of Soonchunhyang Medical Science Vol.13 No.2
Thymoma is associated with myasthenia gravis, Pure red cell aplasia, and autoimmune diseases such as autoimmune hemolytic anemia, aplastic anemia, and hypogammaglobulinemia. It's association with aplastic anemia is rare and aplastic anemia appearing after surgical removal of thymoma is especially rare. The authors hereby report a case of aplastic anemia occuring in a patient who was diagnosed with thymoma and myasthenia gravis and had the tumor surgically removed. The patient was treated with anti-thymocyte globulin, cyclosporin, and prednisolone, and showed partial remission with hematologic improvements after 12 months.
정은욱,지삼룡,이영태,박지훈,김동기,제인수,채두근,박성재,박은택,이연재,이상혁,설상영,정정명 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Afferent loop syndrome is an uncommon complication of a gastrectomy and Billroth Ⅱ reconstruction. It may cause symtoms at any time from the first postoperative day to many years after the gastrectomy. Afferent loop syndrome is characterized by abdominal pain, vomiting and elevation of serum amylase. Thus, it is difficult to differentiate afferent loop syndrome from other cause of acute pancreatitis. However, the history of gastrectomy can be an important clue for diagnosing afferent loop syndrome. We experienced one case of chronic afferent loop syndrome with acute pancreatitis. After appropriate management, the abdominal pain disappeared and serum amylase level decreased. We report this case with a review of relevant literatures.
강명주,지삼룡,박석주,이재익,조영완,김준영,박성재,박은택,이연재,이상혁,설상영,배상균 인제대학교 2006 仁濟醫學 Vol.27 No.-
Carcinoid tumors have been reported in a wide range of organs but most commonly involve the lungs, bronchi and gastrointestinal tract. Within the gastrointestinal tract, appendix is the most common location for carcinoid, followed by the distal small intestine, the rectum, and the stomach. Among these, primary involvement of the ampulla of Vater is extremely rare. We report a case of carcinoid tumor of ampulla of Vater. A 62-year-old man presented with epigastric soreness. Gastroduodenal endoscopy showed hyperemic bulging mass on ampulla of Vater and diagnosed as carcinoid tumor by histologic finding, with immunohistochemical study. In ^(111)In-octreoscan, tumor had regional lymph node metastasis, but no evidence of distant metastasis. Pancreatoduodenectomy with lymph node dissection was performed.
이광만,고성택,김영민,고희선 濟州大學校 工科大學 産業技術硏究所 1998 尖端技術硏究所論文集 Vol.9 No.1
A micro-vacuum sensor has been fabricated by using silicon micromachining techniques and platinum thin film. NON insulator was deposited by LPCVD and APCVD methods. The insulator diaphragm was fabricated by silicon anisotropic etching in TMAH solution. Thin film platinum heater and temperature detector were deposited by rf sputtering method and patterning was performed by means of lift-off method. Deposited platinum heater and temperature detector have been shown a linear Ⅰ-Ⅴ characteristics. TCR(temperature coefficient of resistance) of thin film platinum heater and temperature detector was about 0.0042/℃. Fabricated vacuum sensor was measured in the range of 1x10³Torr to 1×10² Torr, and shows a good linear operating characteristics in the range of 1x10² Torr에서 1x10˚Torr.
이동하,김택현,정상화 朝鮮大學校 機械技術硏究所 2000 機械技術硏究 Vol.3 No.1
The mechanical translation system is made up of springs, masses and a dashpot. This precise piece of equipment is controlled electro-mechanically by a motor and operating program. The control strategy of the system can be changed by spring stiffness, change of mass, and the damping coefficient of the dashpot. It can be modeled as a rigid body, and also finds broad application in such diverse fields as machine tools, the cruise control system in automobiles, and control in the attitude and gimbal of spacecraft. This system proves the necessity and effect of a closed loop control. In this paper, PD control experiments were implemented for the mechanical translation system. When the notch filter was added on the PD controller, we compared the response characteristics of the two systems. Finally, we should improve the response characteristics of the mechanical translation system which are rising time, settling time, steady state error, and overshoot.
이광만,고성택,김영민,고희선 濟州大學校 産業技術硏究所 1998 산업기술연구소논문집 Vol.9 No.1
A micro-vacuum sensor has been fabricated by using silicon micromachining techniques and platinum thin film. NON insulator was deposited by LPCVD and APCVD methods. The insulator diaphragm was fabricated by silicon anisotropic etching in TMAH solution. Thin film platinum heater and temperature detector were deposited by rf sputtering method and patterning was performed by means of lift-off method. Deposited platinum heater and temperature detector have been shown a linear I-V characteristics. TCR( temperature coefficient of resistance) of thin film platinum heater and temperature detector was about 0.0042/℃. Fabricated vacuum sensor was measured in the range of 1X 10^(-3) Torr to 1X10^(2) Torr. and shows a good linear operating characteristics in the range of 1x1^(-2) Torr에서 1X10^(0) Torr.