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김형진,김종성,허유,Kim, Hyung-Jin,Kim, Jong-Seong,Huh, You 한국섬유공학회 2010 한국섬유공학회지 Vol.47 No.2
To evaluate the surface quality of ring core spun yarns, we set up a quality measurement system that operated on the basis of a CCD camera along with specific software programs that recognised the surfaced core filaments. The acquired images were transformed to binary states and filtered through a moving window. By defining a quantitative index by means of the number of defects per length of the specimen, the effects of the processing variables such as production speed and traveller mass on the surface quality of core spun yarns were investigated. Results demonstrated that the new measuring system could be applied effectively to assess the core coverage of yarns. There existed some optimal levels of yarn production speed and traveller mass that led to a minimum occurrence of the surface defects of core spun yarns.
김형진,장선일,오기수,홍경환,김윤철,배현옥,윤용갑,정헌택,권태오,Kim Hyeong-Jin,Jang S.I.,Oh K,S.,Hong K.H.,Kim Y.C.,Pae H.O.,Yun Y.G.,Chung H.T.,Kwon T.O. 대한한의학방제학회 2002 大韓韓醫學方劑學會誌 Vol.10 No.2
The fruiting bodies of Isaria japonica have been traditionally used in Korea to treat cancer. An apoptosis-inducing compound, 4-Acetyl-12, 13-epoxyl -9-trichothecene-3, I5-diol (AETD), was isolated from the methanol extract of fruiting bodies of Isaria japonica Yasuda by bioassay -guided fractionation. The apoptosis of murine bladder cancer cell line (NBT-Ⅱ) by the compound was accessed by propidium iodide staining flow cytometric analysis, and apoptosis-inducing activity at $IC_{50}$ concentration (5 nmol/L) was further confirmed by a nuclear morphological change, a ladder pattern of DNA fragmentation, and an activation of caspase-3. These results indicate that AETD induces apoptosis of NBT-Ⅱ cells via expression of caspase-3.
Glucose가 alloxan 독성(毒性) 및 alloxan 투여가토(投與家兎)의 간대사(肝代謝)에 미치는 영향(影響)에 대(對)하여
김형진,박재헌,김규호,임한영,Kim, Hyung-Zin,Park, Zae-Heun,Kim, Kyu-Ho,Lim, Han-Young 대한약리학회 1969 대한약리학잡지 Vol.5 No.1
Alloxan is a well known diabetogenic agent which destroys the beta-cell of the Langerhan's islet. The authors investigated the influence of the repeated infusion of glucose solution upon the toxicity of alloxan in the mice. The effects of glucose on the blood sugar content and the serum transaminase (S-GOT and S-GPT) activities in the rabbits treated with alloxan were also observed. The results were as follows: 1. The $LD_{50}$ of alloxan in mice showed a slight decrease by pretreatment with glucose for one or two weeks. 2. The elevated blood sugar level in rabbits induced by alloxan shelved a significant fall for the first 3 days by pretreatment with glucose. 3. The increased serum transaminase activities in rabbits induced by alloxan decreased for the first 3 days by pretreatment with glucose.