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Ahn, Jae-Il,Lee, Doo-Hoon,Ryu, Yang-Hwan,Jang, In-Keun,Yoon, Mun-Young,Shin, Youn Ho,Seo, Young-Kwon,Yoon, Hee-Hoon,Kim, Jae-Chan,Song, Kye-Yong,Yang, Eun-Kyung,Kim, Ki-Ho,Park, Jung-Keug Blackwell Publishing Inc 2007 Artificial Organs Vol.31 No.9
<P>Abstract: </P><P>Rabbit corneal epithelium was reconstructed using tilting dynamic culture with a self-manufactured, amniotic membrane (AM) supporter and a lyophilized amniotic membrane (LAM). Rabbit corneal epithelial (RCE) cells were cultured and cryopreserved after isolation from the limbus. The second- and third-passage RCE cells were plated onto the epithelial side of the LAM of Ahn's AM supporter. Two days later, the air–liquid interface culture was maintained with third-passage RCE cells for 6 days and second-passage corneal epithelial cells for 9 days. The average viability of thawed RCE cells, assessed using trypan blue dye exclusion, was 77.42%. The reconstructed corneal epithelium was characterized by histological (hematoxylin and eosin) and immunohistochemical staining (proliferating cell nuclear antigen) for light microscopy, and by reverse transcriptase-polymerase chain reaction, glucose assay, and transmission electron microscopy. The basal layer of the reconstructed corneal epithelium was well formed, and the epithelium was tightly constructed due to the increase in cell proliferation and differentiation caused by the tilting dynamic culture, as opposed to static culture. Tilting dynamic culture was useful for the reconstruction of the epithelium using easily damaged epithelial cells and resulted in more stratum cell layers. Moreover, cytokeratin (CK3) mRNA expression in tilting dynamic cultured third-passage RCE cells seeded onto AM was greater than in static cultured third-passage RCE cells. The morphology of the reconstructed corneal epithelium on LAM by tilting dynamic culture for 9 days resembled that of the skin epidermis. This was thought to be because the tilting dynamic culture not only accelerated the proliferation and differentiation of cells by physical or mechanical stimulation, but also ensured that the supply of medium was delivered to the basal cells more efficiently. Thus, the reconstruction of the corneal epithelium using LAM and tilting dynamic culture was considered to be a good in vitro model for autologous or allogeneic transplantation of corneal epithelium and skin epidermis in patients with damaged epithelia. </P>
朴炳哲,文宰奎,朴榮吉,金杏順,安年衡,金度勳,金正勳,安榮根,李相根,鮮于演 圓光大學校 1990 論文集 Vol.24 No.2
食用油脂는 健康維持에 必須的인 營養素이다. 그러나 食用油脂는 脂肪을 構成하는 脂肪酸의 種類와 攝取하는 量에 따라 健康을 保衛하는 必須的인 食品의 成分이 되기도 하고 有害한 影響을 끼칠 수도 있어서 脂質代謝와 關連된 疾病 뿐만아니라 老化를 促進하고, 乳房癌, 大腸癌等의 癌發生과도 關連된 것으로 밝혀져 있다. 本 硏究는 우리生活環境에서 食用으로 接할 수 있는 10種의 油脂에 對한 免疫生物學的인 活性에서 究明한 結果 對照群인 참기름食餌群에 比해 올리브유食用群은 全般的으로 體液性 및 細胞性免疫을 有意性있게 增加시켰으나, 大食細胞의 活性과 末梢循環白血球數는 有意性없는 減少를 보였고, 動物性 油脂인 牛脂食餌群과 植物性 油脂인 옥수수기름食餌群, 들기름食餌群, 米糠油食餌群, 大豆油食餌群, 菜種油食餌群 및 고추씨기름食餌群에서는 全般的으로 體液性 및 細胞性免疫, 大食細胞의 活性 및 末梢循環白血球數를 有意性있게 減少시켰다. This study was performed to investigate the effects of edible oils and fats on the immunobiological responses in ICR male mice. Ten groups of experimental diets, such as sesame oil diet, beef tallow diet, lard oil diet, olive oil diet, corn oil diet, perilla oil diet, rice polishing oil diet, soybeen oil diet, rape seed oil diet, and red pepper seed oil diet were fed adlibitum to the ICR male mice for 27 days. The results of this study were summarized as followings. 1. Both humoral and cellular immune responses, phagocyte activity, and number of leukocytes in sesame oil group were increased. However, the increasing rate of body weight and the weight retios of spleen and thymus to body were generally decreased. 2. Hemagglutination titer(HA) and rosette forming cell(RFC) of the beef tallow group and the lard group were significantly lower than the sesame oil group(P<0.01), but the lard group significantly increased Arthus reaction and delayed type hypersensitivity(DTH)(P<0.01). 3. Arthus reaction, DTH, and RFC of the olive oil group were significantly higher than the sesame oil group(P<0.01). 4. DTH of the corn oil group was significantly higher than the sesame oil group(P<0.01) whereas phagochyte activity was significantly lower(P<0.01). But no statistically significant differences were found between the two groups in the humoral immune response. 5. HA, PFC, DTH, RFC, phagocyte activity, and number of leukocytes of the perilla oil group and the rice polishing oil group were significantly lower than the sesame oil group(P<0.01). 6. Both humoral and cellular immune responses, phagocyte activity, and number of leukocytes of the soybeen oil group, the rape seed oil group, and the red pepper oil group were significantly lower than the sesame oil group(P<0.01).
마우스에 있어서 Cimetidine의 免疫毒性에 미치는 人蔘抽出物의 影響
안영근,이상근 원광대학교 식품약품안전성연구소 1991 食品藥品安全性硏究 Vol.4 No.-
The immunopotenciating effects of petroleum ether extract, ethanol extract and butanol fraction of panax ginseng on the immunotoxicity of Cimetidine were investigated in ICR mice. Immune responses were evaluated by antibody production, Arthus reaction, delayed type hypersensitivity (DTH), and rosette forming cell(RFC) in mice, sensitized and challenged with sheep red blood cells. To investigate the change of the non-specific immune responses, phagocyte activity and number of leukocytes in peripheral blood were measured also. The results of this study are summarized as followings; 1. Cimetidine treated group as compared with normal group generally decreased HA, 2-MER, RFC, number of circulating leukocytes and phagocyte activity whereas increased Arthus reaction and DTH. 2. The panax ginseng petroleum ether extract combined administration group as compared with the control group remarkably increased HA, 2-MER, number of circulating leukicytes and phagocyte activity. 3. The panax ginseng ethanol extract combined administration group as compared with the control group remarkably increased Arthus reaction, DTH, HA, RFC, number of circulating leukocytes and phagocyte activity. 4. The panax ginseng butanol fraction combined administration group as compared with the control group remarkably increased Arthus reaction, HA, 2-MER, RFC number of circulating leukocytes and phagocyte activity.
초등학교 수학교육에서 계산기 활용에 대한 문제의 유형과 교수ㆍ학습 모형 개발
안병곤,김용태,임해경,류근봉 광주교육대학교 초등교육연구소 2000 初等敎育硏究 Vol.15 No.1
This paper aims to enhance students' interest in the use of calculators in mathematics education and promote their use of calculators in real-life situations. Towards these ends, problem types and instructional models developed for the efficient utilization of calculators. The instructional models focus on teaching mathematics relying on the path through which expert teachers have gone through to gain relevant knowledge. By developing problem types and instructional models suitable for calculator use, we can contribute to a better attainment of instructional goals in mathematics education. The instructional models and problem types will aid teachers in making decisions about instructional development plan and basic features of instructional activities. The use of a new medium will also lead to increased interest and confidence in learning, thus contributing to the enhancement of students' ego.
마우스에 있어서 Isoniazid와 Rifampicin의 免疫毒性에 대한 酒淸 및 高麗人蔘의 影響
안영근,김정훈,유항묵,강영세 원광대학교 식품약품안전성연구소 1987 食品藥品安全性硏究 Vol.1 No.-
結核의 一般的인 藥物療法으로 利用되고 있는 Isonicotinic acid hydrazide(INAH)와 Rifampicin의 倂用投與는 結核의 治療效果를 改善시킬 수 있는 反面에 INAH와 Rifampicin의 長期 倂用投與가 肝毒性과 免疫抑制作用을 出現시킨다고 新告된 바 있다. 한편 酒精의 長期間 暴露는 肝毒性과 T-Iymphocyte機能抑制 및 體液性 免疫에 손상을 가져 온다고 알려진 바 있고 高麗人蔘은 細胞性 및 體液性 免疫 修飾作用이 있으며 特히 石油 ether 分劃은 그 作用이 强하여 細胞性 및 體液性 免疫 macrophage의 活性 등을 현저하게 亢進시킨다고 本人 等이 밝힌 바 있다. 本 硏究의 結果 INAH와 Rifampicin倂用與時 이들 藥物에 의한 免疫 毒性에 對하여 酒精 및 高麗人蔘을 倂用하였을 때 INAH와 Rifampicin은 細胞性 및 體液性 免疫을 低下시켰으며 酒精의 倂用投餘는 免疫 毒性을 增加하였으나 高麗人蔘의 倂用投與는 細胞性 및 體液性 免疫과 大食細胞의 活性을 增加시킴을 밝혔다. 1. Rifampicin and INAH exposure decreased relative spleen weight, humoral and cellular immune responses and macrophage activity. 2. Alcohol combined administration significantly increased the cellular immunotoxicity of Rifampicin and INAH. Especially, 4% alcohol combined administration significantly suppressed the cellular immune response and macrophage activity. 3. Generally, Korean giseng extracts reduced of removed the decline of humoral and cellular immune responses and macrophage activity by immunotoxicity of Rifampicin and INAH.
安榮根 圓光大學校 1980 論文集 Vol.14 No.2
1) Lethal toxicity of the pigmental subistance from Lithospermum Erythrorhyzon Siebet Zucc. is ?? 345mg/kg. 2) Shikonin was fed for 20 weeks to mice (diet added with 1% Shikonin). The following results were obtained. Shikonin causes no ohanges in the way of life of the mice and exerts no influence on body weight. Modification of Blood picture did not appear, no morphological alteration of vital organs were observed. The dye is excreted in the urine and dung, and does not accumlate in the abdominate fat.
마우스에 있어서 Cimetidine, Ranitidine 및 Famotidine이 免疫反應에 미치는 影響
안영근,김정훈,이상근 원광대학교 식품약품안전성연구소 1991 食品藥品安全性硏究 Vol.4 No.-
Expreiments were preformed on mice to investgate the influences of cimetidine, ranitidine and famotidine on the immune response. Immune response were evaluated by antibody. Arthus reaction(Arthus), delayed type hypersensitivity(DTH), rosette forming cell(RFC), phagocyte activity and white blood cell (WBC) in mice, sentitized and challenged with sheep red blood cells (SRB). The weight of liver, spleen and thymus were measured. Following results obtained in this experiment. 1) The administration of cimetidine as compared to normal group significantly decreased Arthus, Hemagglutinin titer(HA), RFC, DTH, WBC and phagocyte activity, but increased the activity of serum albumin. 2) The administration of ranitidine as compared to normal group decreased RFC and HA. 3) The administration of Famotidine as compared to normal group decreased DTH and RFC, and significantly decreased HA, Arthus and serum protein. 4) The administration of ranitidine and famotidine decreased more humoral immune response than cellular immune response, but the administration of cimetidine significantly decreased humoral and cellular immune response, WBC and phagocyte activity.
마우스에 있어서 Isoniazid와 Rifampicin의 免疫毒性에 對한 酒精 및 高麗人蔘의 影響
안영근,김정훈,유항묵,강영세 圓光大學校 1988 論文集 Vol.22 No.2
結核의 一般的인 藥物療法으로 利用되고 있는 Isonicotinic acid hydrazide(INAH)와 Rifampicin의 倂用投與는 結核의 治療效果를 改善시킬 수 있는 反面에 INAH와 Rifampicin의 長期 倂用投與가 肝毒性과 免疫抑制作用을 出現시킨다고 報告된 바 있다. 한편 酒精의 長期間 暴露는 肝毒性과 T-lymphocyte 機能抑制 및 體液性 免疫에 손상을 가져 온다고 알려진 바 있고 高麗人蔘은 細胞性 및 體液性 免疫 修飾作用이 있으며 特히 石油 ether 分劃은 그 作用이 强하여 細胞性 및 體液性 免疫 macrophage의 活性 등을 현저하게 亢進시킨다고 本人 等이 밝힌 바 있다. 本 硏究의 結果 INAH와 Rifampicin 倂用投與時 이들 藥物에 의한 免疫 毒性에 對하여 酒精및 高麗人蔘을 倂用하였을 때 INAH와 Rifampicin은 細胞性 및 體液性 免疫을 低下시켰으며 酒精의 倂用投與는 免疫 毒性을 增加하였으나 高麗人蔘의 倂用投與는 細胞性 및 體液性 免疫과 大食細胞의 活性을 增加시킴을 밝혔다. 1. Rifampicin and INAH exposure decreased relative spleen weight, humoral and cellular immune responses and macrophage activity. 2. Alcohol combined administration significantly increased the cellular immunotoxicity of Rifampicin and INAH. Especially, 4% alcohol combined administration significantly suppressed the cellular immune response and macrophage activity. 3. Generally, Korean ginseng extracts reduced or removed the decline of humoral and cellular immune responses and macrophage activity by immunotoxicity of Rifampicin and INAH.
마우스에 있어서 Cimetidine , Ranitidine 및 Famotidine이 免疫反應에 미치는 影響
안영근,김정훈,이상근 한국환경독성학회 1990 환경독성보건학회지 Vol.5 No.2
Experiments were performed on mice to investigate the influences of cimetidine, ranitidine and famotidine on the immune response. Immune response were evaluated by antibody, Arthus reaction (Arthus), delayed type hypersensitivity (DTH), rosette forming cell (RFC), phagocyte activity and whit( blood cell (WBC) in mice, sensitized and challenged with sheep red blood cells (SRB"). The weight of liver, spleen and thymus were measured. Following results obtained in this experiment. 1) The administration of cimetidine as compared to normal group significantly decreased Arthus, Hemagglutinin titer (HA), RFC, DTH, WBC and phagocyte activity, but increased the activity of serum albumin. 2) The administration of ranitidine as compared to normal group decreased RFC and HA. 3) The administration of Famotidine as compared to normal group decreased DTH and RFC, and significantly decreased HA, Arthus and serum protein. 4) The administration of ranitidine and famotidine decreased more humoral immune response than cellular immune response, but the administration of cimetidine significantly decreased humoral and cellular immune response, WBC and phagocyte activity.