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Lymphocytic Interstitial Pneumonia 로 발현한 림프종 1 예
조한익,서광선,김노경,한용철,유빈,김선영,함의근,김건열,이경주 대한내과학회 1987 대한내과학회지 Vol.33 No.3
LIP (lymphocytic interstitial pneumonia) is a rare disorder characterized by diffuse infiltration of lung by lymphocytes, plasma cells, and immunoblasts. LIP is often associated with Sjogren`s syndrome or a number of other disorders considered to be immune in origin. Also it is surgggested that LIP, especially when assoicated with Sjogren`s syndrome may transfrom to a lymphoid malignancy. We have experienced a case of LIP in a 43 year old man who initially presented with cough and weight loss. Diagnosis was confirmed by transbronchial lung biopsy which showed diffuse lymphocytes and plasma cells infiltration. Nine months later generalized lymphadenopathy and heaptosplenomegaly appeared. Bone marrow biopsy revealed lymphoma and combination chemotherapy with cytoxan, vincristin, prednison resulted in marked clidnical improvement.
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In Situ NMR 진단용 원통형 직접 메탄올 연료전지
조한익,엄명섭,한기성,한옥희,하흥용,김수길,Joh, Han-Ik,Um, Myung-Sup,Han, Kee-Sung,Han, Oc-Hee,Ha, Heung-Yong,Kim, Soo-Kil 한국전기화학회 2009 한국전기화학회지 Vol.12 No.4
This study is to develop a fuel cell system applicable to an in situ NMR (Nuclear magnetic resonance) diagnosis. The in situ NMR can be used in real time monitoring of various reactions occurring in the fuel cell, such as oxidation of fuel, reduction of oxygen, transport phenomena, and component degradation. The fuel cell for this purpose is, however, to be operated in a specifically designed tubular shape toroid cavity detector (TCD), which constrains the fuel cell to have a tubular shape. This may cause difficulties in effective mass transport of reactants/products and uniform distribution of assembly pressure. Therefore, a new flow field designed in a particular way is necessary to enhance the mass transport in the tubular fuel cell. In this study, a tubular-shaped close-type flow field made of non-magnetic material is developed. With this flow field, oxygen is effectively delivered to the cathode surface and the produced water is readily removed from the membrane-electrode assembly to prevent flooding. The resulting DMFC (direct methanol fuel cell) outperforms the open-type flow field and exhibits $36\;mW/cm^2$ even at room temperature.
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