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역류성(逆流性) 식도염(食道炎)에 대한 이진탕가미방(二陳湯加味方) 구성(構成) 개별(個別) 한약재의 효과(效果)
이상태,곽민아,Lee, Sang-Tae,Kwak, Min-A 대한한방내과학회 2013 大韓韓方內科學會誌 Vol.34 No.2
Objectives : The object of this study was to observe the protective effects of 8 types of individual herbal components of Yijintang-gamibang, on the reflux esophagitis (RE) in rats as compared with omeprazole. Methods : Each 100 mg/kg individual herbal component was orally pretreated, at 1 hr before and 6 hrs after pylorus and forestomach ligation, the changes on the esophageal lesion areas, gastric volumes, acid and pepsin outputs, antioxidant effects, esophageal total hexose and sialic acid contents were observed with changes on the esophageal histopathology. The results were compared with an omeprazole 10 mg/kg treated group. Results : Pylorus and forestomach ligation-induced RE were inhibited by treatment of all 8 herbal components and omeprazole except for Pinella Rhizoma and Massa Meicata Fermentata, in order of Atractylodis Rhizoma, Citri Pericarpium, omeprazole, Glycyrrhizae Radix, Hordei Fructus Germiniatus, Holelen and Citri Pericarpium, as compared with RE control. Pinella Rhizoma and Massa Meicata Fermentata did not show any favorable protective effects against RE nor antioxidant effects in the present study. Conclusions : The main active herbal components showing favorable protective effects on RE of Yijintang-gamibang mediated by antioxidant effects, were Atractylodis Rhizoma, Citri Pericarpium, Glycyrrhizae Radix, Hordei Fructus Germiniatus, Holelen and Citri Pericarpium. Furthermore Atractylodis Rhizoma and Citri Pericarpium showed more favorable protective effects as compared with omeprazole, therefore, it is expected that Atractylodis Rhizoma and Citri Pericarpium have potential as new alternatives or safe therapeutics against RE.
이상태,Lee, Sang-Tae 한국과학기술정보연구원 2002 지식정보인프라 Vol.10 No.-
정보화시대를 맞이하여 어느 분야를 막론하고 필요한 정보의 보유와 이용은 생산성이나 경쟁력과 밀접한 관계를 갖고 있다. 식물이 인류 생활에 여러 가지고 이용되어 있고 식물을 빼놓고는 인류의 생존과 번영은 생각할 수도 없다. 한편, 식물의 분류에 대한 정보가 없이는 식물을 이용하여 이루어지는 어떠한 의사전달이나 연구도 불가능하다. 따라서, 우리 나라 식물의 분류 정보를 국가적으로 축적해서 쉽게 이용할 수 있도록 하는 것은 국가경쟁력 확보에 필수적인 일이다.
충돌 공기제트에서 국한 유로 내 발포 알루미늄 방열기의 열전달 수치해석
이상태,김서영,이관수,Lee, Sang-Tae,Kim, Seo-Young,Lee, Kwan-Soo 대한기계학회 2002 大韓機械學會論文集B Vol.26 No.6
A numerical study has been carried out to investigate the flow and heat transfer from an aluminum foam heat sink in a confined channel. A uniform heat flux is given at the bottom of the aluminum foam heat sink, which is horizontally placed on the heated surface. The channel walls are assumed to be adiabatic. Cold air is supplied from the top opening of the channel and exhausted to the channel outlet. Comprehensive numerical solutions are acquired to the governing Wavier-Stokes and energy equations, using the Brinkman-Forchheimer extended Darcy model and the local thermal non-equilibrium model f3r the region of porous media. Details of flow and thermal fields are examined over wide ranges of the principal parameters; i.e., the Reynolds number Re, the height of heat sink h/H, porosity $\varepsilon$and pore diameter ratio $R_{H}$.