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장종산,Jae Oak Ryu,Jong Min Lee,박상언,홍도영,정성화 대한화학회 2005 Bulletin of the Korean Chemical Society Vol.26 No.10
Catalytic properties of Ni-ZrO2 catalysts prepared by coprecipitation have been studied for the gas-phase hydrogenation of 1,3-butadiene to butenes. The coprecipitation method led to the solid solution of Ni-ZrO2, which contains highly resistant Ni species to thermal reduction with H2. Nickel species of the solid solution were highly dispersed in the ZrO2 lattice, so that the reduced catalysts were selective for hydrogenation of 1,3-butadiene to butenes (99.9%) even in the presence of 1-butene.
Rifampicin 으로 유도된 Addisonian Crisis - 부신 피질 결핵에 의한 Addison 씨 병 환자에서 -
김영재(Young Jae Kim),류영근(Young Geun Ryu),김은화(Eun Wha Kim),유제윤(Jae Yoon Yu),김희종(Hee Jong Kim),한기옥(Kie Oak Han),김귀완(Kwi Wan Kim),김문중(Moon Jung Kim),송은섭(Eun Sup Song) 대한내과학회 1991 대한내과학회지 Vol.41 No.5
Rifampicin is a widely used drug for the treatment of mycobacterium tuberculosis infections. This drug, among others, is a potent inducer of the hepatic mixed oxygenase enzymes involved in drug metabolism. There- fore, the effects of drugs or hormones metabolized by liver enzymes may be influenced by rifampicin administration. Thus, concurrent treatment of rifampicin and the glucocorticoid hormone can lead to decreased bioavailability of the glucocorticoid hormone and to icreased requirement. With a brief review of the literature, we report a case of rifampicin-induced adrenal crisis, in which the patient received a physiologic maintenance dose of prednisolone and rifampicin.
Chang, Jong-San,Ryu, Jae-Oak,Lee, Jong-Min,Park, Sang-Eon,Hong, Do-Young,Jhung, Sung-Hwa Korean Chemical Society 2005 Bulletin of the Korean Chemical Society Vol.26 No.10
Catalytic properties of Ni-Zr$O_2$ catalysts prepared by coprecipitation have been studied for the gas-phase hydrogenation of 1,3-butadiene to butenes. The coprecipitation method led to the solid solution of Ni-Zr$O_2$, which contains highly resistant Ni species to thermal reduction with H2. Nickel species of the solid solution were highly dispersed in the ZrO2 lattice, so that the reduced catalysts were selective for hydrogenation of 1,3-butadiene to butenes (99.9%) even in the presence of 1-butene.
박경순(Park, Kyung-Soon),송연이(Song, Yeon-Yi),박미숙(Park, Mi-Sook),김경옥(Kim, Kyoung-Oak),최성수(Choi, Seong-Su),김경아(Kim, Kyung-Ah),류재덕(Ryu, Jae-Duck),차은종(Cha, Eun-Jong) 한국산학기술학회 2009 한국산학기술학회논문지 Vol.10 No.9
통증이 거의 없는 새로운 모세혈액 채혈기법인 진공자동채혈법(vacuum assisted auto-lancing)의 정확도를 분 석하고자 전형적인 대체부위인 전완(팔) 부위에서 채혈하여 측정한 혈당값을 표준 채혈부위인 정맥 및 손가락에서 채 혈하여 측정한 혈당값과 비교, 분석하는 연구를 수행하였다. C대학교병원을 내원한 531명의 환자들을 대상으로 왼손 집게손가락 끝과 왼쪽 전완 부위에서 말초혈액의 혈당을 측정하였고, 곧바로 정맥 채혈하여 혈당을 측정하였다. 전완 부위 혈당 평균값이 손가락보다 정맥 혈당값에 더욱 가까웠으나 이들 간의 차이는 약 10 mg/dL 범위에 불과하여 임 상적으로는 동일한 값들로 볼 수 있었다. 측정값들 간에 상관분석을 수행한 결과 손가락과 정맥 채혈의 혈당값 간의 상관계수는 0.94, 전완 부위와 정맥 혈당값 간의 상관계수는 0.92, 또한 전완 부위와 손가락 채혈 간의 상관계수는 0.94로 모두 매우 유의한 상관관계를 보였다(p<0.001). 따라서 대체부위인 전완 부위 혈당검사의 정확도가 실험적으로 입증되었다. 손가락 혈당검사는 상당한 채혈 통증이 수반되어 당뇨 환자들이 자가 검사를 기피하는 주요 원인이 되지 만, 전완 부위에서 진공자동채혈하면 통증이 거의 없으므로 만성 당뇨환자들의 자가 질환관리를 위해 매우 유용하리 라 기대된다. The present study aimed to evaluate the accuracy of the blood glucose test with almost painless vacuum assisted auto-lancing technique. The blood glucose concentration measurements in the capillary blood sampled from the alternative (forearm) site were compared with the standard venous or finger sampling techniques. Capillary blood was sampled from both the left index finger and the forearm, followed by the venous blood sampling in 531 patients who visited the C University Hospital. Blood sugar test was performed for each blood samples for comparative analysis. Mean blood glucose concentration measured on the forearm was closer to the venous glucose level than that of the finger, but the difference was approximately 10 mg/dL small enough to ignore from the clinical point of view. The correlation coefficients of the measured blood glucose levels between finger and vein and between forearm and vein were 0.94 and 0.92, respectively (p<0.001). The blood glucose measurement on the forearm also well correlated with the finger, showing a correlation coefficient of 0.94, and both data were very much close to each other. Therefore, the blood sugar test on the alternative capillary blood sampling site such as forearm was accurate enough for clinical practice. The vacuum assisted auto-lancing technique on the alternative site would be of particular interest for the disease management of the chronic diabetes, since it induces almost no pain when sampling blood from the capillaries.
임신능이 확인된 가임 여성에서의 Deciduosis의 유병율
김미란,유영옥,노덕영,류순원,권동진,김장흡,김진홍,임용택,김은중,정재근,이진우,Kim, Mee-Ran,Lew, Young-Oak,Ro, Duck-Yeong,Ryu, Sun-Won,Kwan, Dong-Jin,Kim, Jang-Heub,Kim, Jin-Hong,Lim, Yong-Taik,Kim, Eun-Jung,Jung, Jae-Keun,Lee, Jin-Woo 대한생식의학회 2000 Clinical and Experimental Reproductive Medicine Vol.27 No.4
Objective: Extrauterine formation of decidua of stromal cells has been well described, particularly in the cervix and ovary. The apparent hormonal mechanisn of this phenomenon suggestes a relationship to endometriosis. Whether formation of ectopic decidua represents a marked progestational response of endometriosis or an independent peritoneal-stromal reaction to pregnancy is unclear. This study was designed to determine the prevalence of deciduosis in the patients whose fertility were proven. Design: Prospective study of patients who had undergone cesarean delivery without history of endometriosis. Materials and Methods: The study was performed in 179 full tenn pregnant women. During the cesarean section, the pelvic organs were thoroughly investigated and the biopsies were collected at the lesions suspicious endometriosis. And then microscopic examination of removed tissues were done. Results: Of the 179 patients who underwent cesarean delivery, 48 women (26.8%) had the lesions suspicious endometriosis such as adhesion, pigmented spots. The ovary was the most frequently ocurred site (79.2%). Microscopically, decidual cells were observed in 34 cases (70.8%) of 48 biopsed patients. Conclusion: Endometriosis has been known to be associated with subfertility. Our observations found the prevalence of deciduosis was 19.0% (34/179) in tenn pregnant women whose fertilites were proven. We suggests that the deciduosis maya manifestation of endometriosis during pregnancy. However, further follow up study should be done to confirm this clinicopathologic process.
심대석(Dae Seok Shin),원용환(Yong Hwan Won),김건호(Kuen Ho Kim),이옥재(Ok Jae Lee),김명희(Myeong Hee Kim),류경렬(Kyung Ryeol Ryu),황일용(Il Yong Hwang),안인옥(In Oak Ahn),지혜기(Hye Gee Jee) 대한내과학회 1994 대한내과학회지 Vol.47 No.1
We report a case of renal papillary necrosis which has recurrent urinary tract infections, partial unilateral ureteral obstruction, and the classic cavity pattern by I.V.P.. Renal papillary necrosis is defined as an ischemic necrosis involving the renal medulla which, in the absence of localizing obstructive or vascular factors, is generally bilateral and most often is associated with infections of the urinary tract. The clinical course is characterized by lumbar pain, hematuria, pyuria, bacteriuria, and sepsis; occasionally also by the passage of whole renal papillae or sections there of in the urine. The diagnosis can sometimes be made by finding pieces of renal medullary tissue in the urinary sediment. Pyelography may demonstrate cavities and sinuses in the region of the papillae. The classic ring-shadow pattern results from detachment of a papilla and its outline within the contraet-filled cavity.