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Cefotaxime과 Furosemide의 賢排泄 및 血漿蛋白 結合에 미치는 影響
鄭址昌,金載學,韓大燮,高啓昌 慶熙大學校 1984 論文集 Vol.13 No.-
The cephalosporins are eliminated by both glomerular filtration and tubular excretion. Chronic administration of cephalosporins may cause renal tubular necrosis. Cefotaxime is a new semisynthetic cephalosporin antibiotic with an unusually broad antibacterial spectrum. Therefore, to determine whether any variations at plasma protein binding with furosemide by cefotaxime were responsible for its diuretic action of urine volume and electrolytes in rabbits, author studies effects on drug-interaction of cefotaxime and furosemide. The following results were obtained. 1. The group, administrated simultaneously furosemide and cefotaxime, was significantly increased compared with furosemide alone group on the urine volume, urinary electrolytes, because markedly increased the inhibition of Na^+ and Cl^- reabsorption in the renal tubule, and glomerular filtration rate without any differences. 2. Serum concentration of cefotaxime in rabbits was significanly elevated by the combination with furosemide, and markedly inhibited the elimination levels of cefotaxime in urine of rabbits. Conclusion of above results; Synergistic effect of cefotaxime on diuretic action of furosemide showed the comparative inhibition of plasma protein binding with furosemide by cefotaxime, and the continuation of diuretic effect seems excretion of furosemide on the in-hibited by competition between furosemide and cefotaxime in renal tubular excretion.
Ampicillin과 Furosemide의 相互作用에 관한 硏究
李昇宰,鄭址昌,高啓昌,韓大燮 慶熙大學校 1986 論文集 Vol.15 No.-
In order to investigate the durg-interaction between furosemide and ampicillin, the influences of ampicillin on the diuretic action of furosemide and the effects of furosemide on the urinary elimination rate and serum concentration of ampicillin were studied in the rabbits. In comparison of diuretic effects of furosemide alone group with those of furosemide-ampicillin combined group, the furosemide-ampicillin combined group showed significant increase in urine flow and urinary electrolytes amounts. Those findings seem to be resulted chiefly from marked inhibition of sodium and chloride reabsorption in the renal tubule without a little alteration of glomerular filtration rate. Throughout the combined administration of furosemide and ampicillin. the serum concentration of ampicillin were significantly elevated, but the urinary elimination rate of ampicillin were markedly decreased in the observed rabbits. It is concluded from the results that synergistic effect of ampicillin on diuretic action of furosemide might be due to the competitive inhibition of plasma protein binding with furosemide by ampicillin. It is also postulated that the competition between furosemide and ampicillin in renal tubular secretion.
한인수(Han, In-Su),정지훈(Jeong, Jee-Hoon),임종구(Lim, Jong-Koo),임찬(Lim, Chan),정광섭(Jung, Kwang-Sup) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.06
Optimal flow-field design of bipolar-plates for a commercial class PEM(polymer electrolyte membrane) fuel cell stack was carried out on the basis of three-dimensional computational fluid dynamics(CFD) simulation. A three-dimensional CFD model originally developed by Shimpalee et al., has been utilized for performing large-scale simulation of a single fuel cell consisting of bipolar-plates gas diffusion layers, and a membrane-electrode-assembly(MEA). The CFD model is able to predict the current density, pressure drops, gas velocities, vapor and liquid water contents, temperature distributions, etc. inside a single fuel cell. Depending on simulation results from the CFD modeling of a PEM fuel cell, several flow-fields of bipolar-plates were designed and verified. The final design of the bipolar-plate has been chosen from the simulations and experimental tests and showed the best performance as expected from the simulation results under a normal operating condition. Thus, the CFD simulation approach to design the optimal flow-field of the bipolar-plates was successful. The final design was adopted as the best flow-field to build a commercial scale PEM fuel cell stack, the performance of which shows about 42% higher than that of the older bipolar-plate design.
폐 전이된 고환 융모 상피암의 항암 화학 요법 후 폐엽 쐐기 절제술 1예
오지영,이순남,박영요,김광호,한운섭 梨花女子大學校 醫科大學 醫科學硏究所 1995 EMJ (Ewha medical journal) Vol.18 No.3
저자들은 제 1 병기 고환 융모 상피암으로 진단되어고환 전 적출술 시행후 경과 관찰중이던 환자에서 폐전이 되어 cisplatin을 기본으로 하는 항암 화학 요법및 폐엽 쐐기 절제술로 잔유 종양 조직의 제거 후 완전관해가 확진된 고환 응모상피암 1예를 경험하였기에 이를 보고하는 바이다 Choriocarcinonla is very rare malignancy, accounting for less than 1% of all testicular germcell tumor. However, it is an important disease in the field of oncology, as it represents ahighly curable malignancy. and one in which the incidence is focused on young patients attheir peak of productivity. In nonserninomatous germ cell testis tumor, assessment of prognosticfactors is related to develop a basis for more rational therapy for each individual patient.Along with prognostic staging, appropriate treatment shoud be applied to each patient to improve disease-free survival. And. surgical resection of residual masses after cisplatin-based chemotherapy is an established adjuvant to chemotherapy, because complete remission can be improvedabout 10% with appropriately timed complete resection of residual diseases. So, we reporta case of a 27-year old male patient with testicular choriocarcinoma who presented with multiplelung metastases after radical orchiectomy. He recieved lung wedge resection after 8 cycles ofcisplatin, etoposide, ifosfamide combination chemotherapy. and complete remission was confirmed and maintained.