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권장연,임영희,임미혜,류재숙,안명희,민득영 한양대학교 의과대학 1998 한양의대 학술지 Vol.18 No.2
The purification methods such as bead-beater destruction, trichloroacetic acid(TCA) precipitation and 3-[(3-cholamidopropyl) dimethylammonio]-1-propane sulfonate(CHAPS) solubilization of Trichomonas vaginalis antigens on sodium dodecyl sulfate-polyacrylamide gel electrophoresis(SDS-PAGE) and enzyme-linked immunoelectrotransfer blotting (EITB) were evaluated. Total TCA-precipitated proteins and CHAPS-solubilized extract of T. vaginalis possessed common protein bands whose molecular weights were at 28 kDa, 35 kDa, 40 kDa, 50 kDa, 60 kDa, 100 kDa, 120 kDa, 130 kDa, and 160 kDa, and bead-beater treated trichomonal proteins represented some different spectrum of protein bands from TCA- or CHAPS-treated ones in that they didn't show high M.W. protein bands(〉100 kDa) on SDS-PAGE. But similar antigenic bands with the molecular weights of 60 kDa, 110 kDa, 120 kDa and 140 kDa by EITB were identified in TCA-, CHAPS- and bead-beater treated proteins. In conclusion, TCA-precipitation and CHAPS-solubilization were more stable methods to analyse trichomonal proteins than extraction with bead-beater, and the result will be useful for antigen analysis of Trichomonas vaginalis to elucidate a mechanism of pathogenesis in host-parasite relationship.
PVA-ECC를 활용한 Half PC 복합체의 역학적 특성에 관한 실험적 연구
김재환,김영덕,김갑수,조봉석,장종호,김무한 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
ECC represents one particular class of HPFRCC, which are defined by an ultimate strength higher than their first cracking strength and the formation of multiple cracking during the inelastic deformation process. This study is to provide the fundamental data for the development of hybrid construction method such as the half PC(Precast concrete) reinforced by PVA-ECC, the mechanical properties of half PC according to the alteration of properties of PVA-ECC in terms of the type of fiber, Vr, S/M, placing height of PVA-ECC, are experimentally investigated. As the results. it is found that the half PCs of PVA-ECC have very higher mechanical performance in terms of yield load, strain capacity beyond yield point and maximum flexural load than that of mortar. Also, flexural crack in the half PCs of PVA-ECC are not localized at first crack and are growed to many micro crack, especially multiple cracking in specimen of P(12)-30-0.1ㆍ3 occurred.
변용섭,조재광,엄태인,장재덕,이상길 大田産業大學校 2000 한밭대학교 논문집 Vol.17 No.1
In this study, velocity and temperature profiles are calculated on the apartment complex at Dunsan area in Taejon using FLUENT code based on computational fluid dynamics (CFD). Input weather conditions which maximum atmospheric is 38.6℃, wind speed is 1.7m/sec, wind direction is west-south-west and maximum wall of apartment is 58.0℃ in summer are used to calculate the results. The simulation results are as follow ; First. velocity vectors at vertical cross section of apartment complex are influenced by the thermal buoyancy force in hot wall of apartment due to weak wind speed in the case of wind direction : west-south-west, south-west, west. Second, temperature profiles at vertical cross section of apartment complex are strongly influenced by the wind direction. Atmospheric temperature in wide area is higher 1℃ in south-west wind direction than west wind direction. Calculation results show that island in enormous apartment complex in summer. Third, temperature profiles at horizontal cross section of apartment complex present wider and more definite high temperature area than at vertical cross section of apartment complex according to wind direction. This consequence shows the effect of convective heat transfer in the rear heated wall of apartment is dominant by solar radiation. Fourth, It is necessary that an arrangement of apartments with a view of wind direction and distance of each apartments to reduce heat island in apartment and industrial factory complex in the condition of same apartment direction and area capacity. And an arrangement of apartments considering wind direction is able to enhance convective heat transfer between heated wall and wind.
장재영 ( Jae Young Jang ),이준성 ( June Sung Lee ),김형준 ( Hyung-joon Kim ),심재준 ( Jae-Jun Shim ),김지훈 ( Ji Hoon Kim ),김보현 ( Bo hyun Kim ),권준혁 ( Choon Hyuck Kwon ),이승덕 ( Seung Duk Lee ),이해원 ( Hae Won Lee ),김정훈 대한간암학회 2017 대한간암학회지 Vol.17 No.1
The General Rules for the Study of Primary Liver Cancer was published in June 2001 as the first edition. Since then, the 5th edition of the General Rules for the Study of Primary Liver Cancer was published by the 17th Committee of the Korean Liver Cancer Association based on the most recent data. The 5th edition of the General Rules for the Study of Primary Liver Cancer ranged over numerous topics such as anatomy, medical assessment of the patients, staging of hepatocellular carcinoma, description of the image findings, summary of hepatic resection, description of the surgical specimens, liver transplantation, reporting the pathological findings, pathological examinations of liver specimen, non-surgical treatment, radiotherapy, and assessment of tumor response after non-surgical treatment of hepatocellular carcinoma. The 5th General Rules for the Study of Primary Liver Cancer will not only become the basis of academic development for liver cancer studies in Korea, but also serve as the primary form of national liver cancer data accumulation based on standardized rules. (J Liver Cancer 2017;17:19-44)