http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
n-CdS_(0.46)Se_(0.54)/p-Cu_92-x)S_(0.46)Se_(0.54) 이종접합 태양전지의 제작과 그 특성에 관한 연구
유상하,최승평,이상열,홍광준,서상석,김혜숙,전승룡,윤은희,문종대,신영진,정태수,신현길,김택성,유기수 全北大學校 基礎科學硏究所 1994 基礎科學 Vol.16 No.-
승화방법에 의해 CdS_0.46Se_0.54 단결정을 성장하여 결정구조를 조사하고, Van der Pauw 방법으로 Hall effect를 측정하여 carrier density의 온도 의존성과 mobility의 온도 의존성을 조사하였다. 성장된 CdS_0.46Se_0.54 단결정을 치환반응하여 n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 이종접합 태양전지를 제작하였다. Spectral response, 전류-전압특성 및 전력변환 효율을 조사하여 그 결과로부터 개방전압은 0.48V, 단락 전류 밀도는 21mA/㎠, fill factor와 전력변환효율은 각각 0.75와 9.5%를 얻었다. CdS_0.46Se_0.54 single crystal was grown by a sublimation method. The crystal structure and the temperature dependence of carrier density and mobility of CdS_0.46Se_0.54 single crystal were studied. Heterojunction solar cells on n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 were fabricated by the substitution reaction. The spectral response, the J-U characteristics and the conversion efficiency of the n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells were studied. The open-cricuit voltage, short-circuit density, fill factor and conversion efficiency of n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells under 80mW/㎠ illumination were found to be 0.48V, 21mA/㎠, 0.75 and 9.5%, respectively.
Effect of Partially Purified Lipid from the Mussel Mytilus coruscus on Apoptosis in Cancer Cells
( You Jin Jeon ),( Jae Hyun Jeong ),( Yong Tae Kim ),( Seung Jae Lee ),( Eun Kyung Kim ),( Pyo Jam Park ),( Byong Tae Jeon ),( Sang Ho Moon ),( Chang Bum Ahn ),( Hyun Kang ),( Yon Suk Kim ) 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.1
Anticancer effects of the mussel (Mytilus coruscus) cultivated in Korea were determined. Lipid extracts of Mytilus coruscus were prepared using extractions in several organic solvents: methanol, chloroform, hexane, methanol:chloroform=1:1, and chloroform:hexane=1:1. Anticancer activities of the extracts were evaluated using apoptosis assays analyzed by flow cytometry. The hexane extract exhibited the highest anticancer activity. This extract was further separated and purified using thin layer chromatography, through which lipid compounds were isolated, and their components were analyzed; the major fatty acids were eiocosadienoic acid (EA, C20:2), eicosapentaenoic acid (EPA, C20:5), and docosahexaenoic acid (DHA, C22:6), and these components were higher than those of the mussels cultivated in New Zealand and Italy. The partially purified lipid compounds exhibited an anticancer effect in several cancer cell lines. These results indicate that lipid extract of M. coruscus effectively inhibits in vitro tumor growth by inducing apoptosis of cancer cells.
Seung Duk Lee,Sang-Jae Park,Hyun Boem Kim,Sung-Sik Han,Seong Hoon Kim,Tae Suk You,Young-Kyu Kim,Seong Yeon Cho,Soon-Ae Lee,Young Hwan Ko,Eun Kyung Hong 한국간담췌외과학회 2012 한국간담췌외과학회지 Vol.16 No.1
We present 2 patients showing afferent jejunal varix bleeding around hepaticojejunostomy caused by extrahepatic portal vein obstruction after pylorus-preserving pancreatoduodenectomy (PPPD). The case 1 was a 58-year-old woman who had recurrent anemia and hematochezia 3 years after undergoing PPPD. On the portography, the main portal vein was obliterated and collaterals around hepaticojejunostomy were developed. After percutaneous transhepatic balloon dilatation and stent placement through the obliterated portal vein, jejunal varices had disappeared and thereafter no bleeding occurred for 32 months. The case 2 was a 71-year-old man who had frequent melena 7 years after PPPD. Portal stent insertion was first tried, but failed due to severe stenosis of the main portal vein. Therefore, meso-caval shunt operation was attempted in order to reduce the variceal flow. Although an episode of a small amount of melena occurred one month after the shunt operation, there was no occurrence of bleeding for the next 8 months. For the treatment of jejunal varices, a less invasive approach, such as the angiographic intervention of stent insertion, balloon dilatation, or embolization is recommended first. Surgical operations, such as a shunt or resection of the jejunal rim, could be considered when noninvasive approaches have failed. (Korean J Hepatobiliary Pancreat Surg 2012;16:37-42)