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이담자 효모의 세포간 성응집의 특성과 표면단백질의 관련성
정영기,이태호,최용락,강원대 동의대학교 기초과학연구소 1996 基礎科學硏究論文集 Vol.6 No.1
When mating type A and a cells of heterobasidiomycetous yeast Rhodosporidium toruloides were mix-cultured, both of the mating type cells have shown strong agglutination. But this agglutination was not detactable when the A and a cell were cultured separately. From reagglutination made just after the result of disassembling the agglutination by sonication, we knew that the agglutination was sexual-agglutination, not simple physical cell agglutination. The sexual agglutination was progressed actively on logarithmic phase and, in addition, progressed faster on mating type a cell treated with rhodotorucine A. These sexual agglutination have been inhibited by several protease such as trypsin, pronase, chymotrpysin and thermolysin and inhibited by 5 mM DTT as well.
리튬 전지용 리튬 - 철계 산화물 전극의 제조 및 전기화학적 반응 특성에 관한 연구
정원중,주재백,손태원 한국공업화학회 1998 응용화학 Vol.2 No.1
Layered LiFeO₂ with α -NaFeO₂ type structure was synthesized from FeCl₃·6H₂O by hydrothermal reaction at 230℃ using aqueous mixed alkaline solution such as LiOH·H₂O-NaOH. The lithium intercalation and deintercalation mechanism was characterized using cyclic voltammetry, and structure identified by X-ray diffraction (XRD). Elctrochemical lithium deintercalation/intercalation reactions were clearly obserbed between 1.5 and 4.5 V.
이담자 효모의 세포간 성응집의 특성과 표면단백질의 관련성
정영기,이태호,최용락,강원대 한국산업미생물학회 1995 한국미생물·생명공학회지 Vol.23 No.3
이담자 효모 Rhodosporidium toruloides의 접합형 A세포와 a세포를 혼합 배양했을 때 양 세포는 강한 응집현상을 보였다. 이 응집은 A와 a세포를 각각 배양했을 때는 일어나지 않았다. 초음파처리로 세포의 응집을 해체해 보았으나 곧 바로 재응집되는 것으로 보아 본 응집현상은 단순한 물리적인 세포 응집이 아닌 성응집 현상인 것을 알 수 있었다. 성응집 반응은 대수증식기의 세포에서 활발히 진행되었으며, a세포를 rhodotorucine A로서 처리한 세포에 대해서는 성응집이 빠르게 진행되었다. 이들 응집반응은 trypsin, pronase, chymotrypsin, thermolysin 등의 각종 protease(25∼200 ㎍/㎖)에 대하여 저해되었다. 또 5 mM의 DTT에 대해서도 저해되었다 이들 결과는 양 접합형세포의 성응집에는 세포표면 단백질의 변화가 큰 역할을 하고 있다는 것을 시사한다. When mating type A and a cells of heterobasidiomycetous yeast Rhodosporidium toruloides were mix-cultured, both of the mating type cells have shown strong agglutination. But this agglutination was not detactable when the A and a cell were cultured separately. From reagglutination made just after the result of disassembling the agglutination by sonication, we knew that the agglutination was sexual-agglutination, not simple physical cell agglutination. The sexual agglutination was progressed actively on logarithmic phase and, in addition, progressed faster on mating type a cell treated with rhodotorucine A. These sexual agglutination have been inhibited by several protease such as trypsin, pronase, chymotrpysin and thermolysin and inhibited by 5 mM DTT as well.
초등학교 남학생의 %Fat과 BMI 수준에 따른 체력비교
강태원(Tea Won Kang),허정(Jeong Heo) 한국발육발달학회 2008 한국발육발달학회지 Vol.16 No.4
This study has attained a conclusionas a result of the study whose subjects were 387 male students who are studying at W or Y elementary school by comparing and analyzing physical fitness by groups depending on the levels of %fat and BMI of them for the purpose of helping them keep themselves in good shape. 1. For the magnitude of physical fitness by groups depending on the levels of BMI, the fat group was the first, the normal group the second and the lean group the third, and there was a statistically significant difference (p<.01). For muscle endurance, the lean and normal group were higher than the fat group, and there was a statistically significant difference (p<.01). For power strenght, the lean group was the first, the normal group the second, and the fat group the third, and there was a statistically significant difference (p<.01). For flexibility, the fat and normal group were higher than the lean group, and there was a statistically significant difference (p<.05). For the sense of equilibrium, the normal group was the first, the lean group the second, and the fat group the third, and there was no statistically significant difference. 2. For the magnitude of physical fitness by groups depending on the levels of %fat, the fat group was the first, the normal the second, the lean group the third, and there was no statistically significant difference. For muscle endurance, the lean group was the first, the normal group the second, the fat group the third, and there was a statistically significant difference (p<.01). For power strenght, the lean and normal group were higherthan the fat group, and there was a statistically significant difference (p<.01). For flexibility, the lean group was the first, the fat group the second, the normal group the third, and there was a statistically significant difference (p<.01). For the sense of equilibrium, the normal and lean group were higher than the fat group, there was a statistically significant difference (p<.05).