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구자룡,김영관,김정수,Sang-Woo Pyo,Jun-Ho Kim,Doowon Gong 한국전기전자재료학회 2005 Transactions on Electrical and Electronic Material Vol.6 No.4
Organic molecules have many properties that make them attractive for electronic applications. We have been examining the progress of memory cell by using molecular-scale switch to give an example of the application using both nano scale components and Si-technology. In this study, molecular electronic devices were fabricated with amino style derivatives as redox-active component. This molecule is amphiphilic to allow monolayer formation by the Langmuir-Blodgett (LB) method and then this LB monolayer is inserted between two metal electrodes. According to the current-voltage (I-V) characteristics, it was found that the devices show remarkable hysteresis behavior and can be used as memory devices at ambient conditions, when aluminum oxide layer was existed on bottom electrode. The diode-like characteristics were measured only, when Pt layer was existed as bottom electrode. It was also found that this metal layer interacts with organic molecules and acts as a protecting layer, when thin Ti layer was inserted between the organic molecular layer and Al top electrode. These electrical properties of the devices may be applicable to active components for the memory and/or logic gates in the future.
혈액투석으로 전환하여 성공적으로 치료한 복막투석치료중인 당뇨병성 만성신부전환자에서 발생한 고삼투압성 혼수
구자룡,이형철,김형직,채동완,박규용,노정우,권성희,이준상,전로원,고경식,박경창,윤정이,김근호 대한내과학회 1999 대한내과학회지 Vol.57 No.5
Continuous ambulatory peritoneal dialysis(CAPD) is now the most important and effective therapeutic modality as well as hemodialysis(HD) and renal transplantation in patients with chronic renal failure. It is frequently recommended to diabetic renal failure patients because of poor, athersclerotic vascularity of them. Hyperglycemia and obesity are not uncommon complications of CAPD therapy. But there were only few reports of very severe hyperglycemia or hyperosmolar coma in CRF patients on CAPD therapy, especially with 7% dextrose CAPD dialysate in foreign countries in the past. Moreover, no specific management for hyperosmolar coma is established in those situations yet. In Korea, only three cases of hyperosmolar coma in non diabetic renal failure patient on CAPD therapy have been reported in one case report. And only one case among them whose CAPD therapy was changed to HD survived. Authors also experienced a case of diabetic hyperosmolar coma treated successfully with conversion to HD in chronic renal failure patient on CAPD therapy. So we report this case with a review of literature. Taken together with this case and review of literature, changing CAPD therapy to HD is regarded to be an important part of treatment when hyperosmolar coma develops in chronic renal failure patients. (Korean. J. Med 57:946-949, 1999)
구자룡 한국유통학회 2002 유통비즈니스리뷰 Vol.2 No.-
일반적으로 복권(Lottery)은 당첨에 대한 기대라는 꿈과 희망, 그리고 우연한 행운을 안겨줄 수 있는 생활 속의 건전한 오락의 일종이다. 복권의 유형에는 즉석식 복권, 추첨식 복권, 로또, 키노, 숫자게임, 경기 복권 등의 6가지 종류가 있다. 즉석식 복권(Instant Games)은 당첨여부를 즉석으로 알 수 있기 때문에 즉석복권이라고도 한다. 추첨식 복권(Draw Games)은 각기 다른 번호(일련번호)가 기재된 복권을 발행하여 판매하고 판매 종료일 이후 추첨하여 추첨된 번호와 구입한 복권번호가 일치되면 해당 등위의 당첨금을 지급하는 방식이다.(중략)