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허혈로 유발된 토끼의 급성 신부전에 대한 甘草(감초) 약침액 정맥 주입의 영향
김형철,김경호,이금산,김형우,임세현,임지연,김영균,조수인,Kim, Hyeong-Cheol,Kim, Gyoung-Ho,Lee, Guem-San,Kim, Hyung-Woo,Lim, Se-Hyun,Lim, Chi-Yeon,Kim, Young-Gyun,Cho, Su-In 대한약침학회 2011 Journal of pharmacopuncture Vol.14 No.4
Objectives: The present study was undergone to determine whether Glycyrrhizae Radix pharmacopuncture intravenous injection exerts beneficial effect against the ischemia-induced acute renal failure in rabbits. Methods: Rabbits were treated with Glycyrrhizae Radix pharmacopuncture via i.v., followed by renal ischemia/reperfusion. The fractional excretion of glucose and phosphate were measured and the malondialdehyde content was also determined. The morphological changes of cortical part of kidney also observed with light microscope. Results: Renal ischemia/reperfusion caused increase of the fractional excretion of glucose and phosphate in ischemia-induced animals, which was prevented by Radix Glycyrrhizae extract treatment. Ischemia/reperfusion increased lipid peroxidation, which was prevented and morphological changes also altered by Radix Glycyrrhizae pharmacopuncture administration. Conclusions: These results indicate that lipid peroxidation plays a critical role in ischemia-induced acute renal failure and Glycyrrhizae Radix pharmacopuncture exerts the protective effect against acute renal failure induced by renal ischemia/reperfusion.
연속섬유강화 플라스틱 복합재의 압축성형에 있어서 확대/축소 점도비를 고려한 유동해석
김형철,채경철,조선형,김이곤,Kim, Hyeong-Cheol,Chae, Gyeong-Cheol,Jo, Seon-Hyeong,Kim, Lee-Gon 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.3
To obtain an excellent product and decide on optimum molding conditions, it is important to establish the relationship between molding conditions and viscosity. The composites is treated as a pseudoplastic fluid, and the expansional/contractional viscosity of the fiber-reinforced polymeric composites is measured using the parallel plastometer, and the model for flow state has been simulated with the viscosity. The effects of expansional slip parameter $\alpha_{e}$, and expansional/contractional viscosity ratio ${\mu}_{\gamma}$, on the mold filling parameters are also discussed.