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이재열,Lee, Jai-Youl 대한치과기공학회 1984 대한치과기공학회지 Vol.6 No.1
A denture that shifts easily in response to latterally applied forces can cause a disruption in the border seal or prevent the denture base from Correctly relating to the supporting tissue. The factors that Contribute to stability include ridge height and conformation, base adaptation, residual ridge relationships, occlusion harmony, and Muscle control. These factors can be condensed into the following categories; 1. The relationship of the denture base to the underlying tissue. 2. The relationship of occlusal harmony. 3. The relationship of the denture surface and border to the surrounding muscle. 4. The location of artificial tooth.
금속재와 적층복합재 면재를 갖는 샌드위치 패널의 저속충격 특성 연구
이재열(Lee Jae-Youl),신광복(Shin Kwang-Bok),이상진(Lee Sang-Jin),조세현(Jo Se-Hyun),목재균(Mok Jai-Kyun) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
In this paper, the low velocity response of four different sandwich panels with metal and laminate composite facesheets has been investigated by conducting drop- weight impact tests using an instrumented falling-weight impact tower. Square samples of 100m m sides were subjected low-velocity impact loading using an instrumented testing machine at six energy levels. Impact para meters like maximum force, time to maximum force, deflection at maximum force and absorbed energy were evaluated and compared for four different types of sandwich panels. The impact test results show that sandwich panel with composite laminate facesheet could not observe damage mode of a permanent visible indentation after impact and has a good impact damage resistance in comparison with sandwich panel with metal aluminum facesheet.
들깨 ${\gamma}-tocopherol$ methyltransferase cDNA 유전자의 분리 및 특성
황선갑,김동헌,이재열,김용환,황영수,김경환,Hwang, Seon-Kap,Kim, Dong-Hern,Lee, Jai-Youl,Kim, Young-Hwan,Hwang, Young-Soo,Kim, Kyung-Hwan 한국응용생명화학회 2002 한국농화학회지 Vol.45 No.4
${\gamma}-Tocopherol$ methyltransferase(TMT)는 토코페롤 생합성 대사의 마지막 단계인 감마 토코페롤을 알파 토코페롤로 변환하는데 관여하는 효소이다. 들깨의 미성숙 종자 cDNA유전자 은행에서 TMT로 추정되는 유전자를 분리하였으며 이 유전자는 1369개의 염기와 367개의 아미노산으로 구성되었으며 분자량은 약 42kDa의 추정된다. 이 cDNA는 Genbank와 상동성 분석결과 애기장대의 TMT유전자와 아미노산 수준에서 60% 정도의 상동성을 가지고 있으며 methyltransferase domain과 S-adenosyl methionine binding domain을 가지고 있으므로 TMT 유전자로 추정했다. 이 유전자의 특성을 알기 위하여 완전한 크기를 가지는 TMT유전자를 대장균에서 발현하고 invitro에서 효소의 활성을 측정하였다. ${\gamma}-Tocopherol$ methyltransferase (TMT) is an enzyme catalyzing ${\gamma}-tocopherol$ into ${\alpha}-tocopherol$ at the final step of ${\alpha}-tocopherol$ synthesis pathway. Putative TMT cDNA clone specific to Perilla frutescens immature seeds was isolated from cDNA library. The cDNA clone consisted of 1369 bp open reading frame encoding 369 amino acids with a relative Mw of 42 kDa. Results revealed the CDNA has 60% homology to Arabidopsis thaliana TMT, and possesses methyltransferase and S-adenosyl methionine-binding domains, suggesting that cDNA encodes a ${\gamma}-tocopherol$ methyltransferase To characterize the properties of the TMT gene, the cDNA sequences coding for mature TMT were expressed in E. coli and assayed to determine the enzyme activity in vitro.
들깨 γ-tocopherol methyltransferase cDNA 유전자의 분리 및 특성
김경환 ( Kyung Hwan Kim ),황선갑 ( Seon Kap Hwang ),김동헌 ( Dong Hern Kim ),이재열 ( Jai Youl Lee ),김용환 ( Young Hwan Kim ),황영수 ( Young Soo Hwang ) 한국응용생명화학회 2002 Applied Biological Chemistry (Appl Biol Chem) Vol.45 No.4
γ-Tocopherol methyltransferase (TMT) is an enzyme catalyzing γ-tocopherol into α-tocopherol at the final step of α-tocopherol synthesis pathway. Putative TMT cDNA clone specific to Perilla frutescens immature seeds was isolated from cDNA library. The cDNA clone consisted of 1369 bp open reading frame encoding 369 amino acids with a relative Mw of 42 kDa. Results revealed the cDNA has 60% homology to Arabidopsis thaliana TMT, and possesses methyltransferase and S-adenosyl methionine-binding domains, suggesting that cDNA encodes a γ-tocopherol methyltransferase To characterlze the properties of the TMT gene, the cDNA sequences coding for mature TMT were expressed in E. coli and assayed to determine the enzyme activity in vitro.
조직배양에서 얻어진 쪽파의 유전적 변이체들이 보여주는 단백질과 Isozyme의 유형분석
朴敬淑,李在悅,徐奉甫 慶北大學校 1992 論文集 Vol.52 No.-
Some genetic variants of Amphihaploid, Hypoamphidiploid, Amphidiploid are regenerated from tissue culture in Allium wakegi. They were applied to investigate the effects of the chromosomal differences on the gene expression of some isozymes. The electrophoretic migration patterns of total proteins were different at the position of MW5×10^5 Dalton among the genetic variants. Three different isozymes were characterized from the migration patterns of isozymes in the discontinuous polyacrylamide gel electrophoresis. Alcohol dehydrogenase(ADH) appeared 3 bands in the gel electrophoresis corresponding to 3 isozymes, that is allozymes distributed as single isozyme in each individual. Isocitric acid dehydrogenase(ICDH) appeared 5 bands in the gel and corresponds to 5 isozymes as allozymes which distributed single isozyme in each individual. Phosphoglucoisomerase(PGI) appeared 8 bands in electrophoresis and to 8 isozymes which originated from 2 genes and distributed more than two isozumes in each individual. According to the isozume expression in the genetic variants of Allium wagegi, the amplification of chromosomal numbers can affect neither to increase the isozyme numbers and concentration nor to express heterogeneous types in the genetic variants.
Lee, Jai-Youl 慶北大學校 1984 論文集 Vol.38 No.-
지표식물인 토마토(cv. Rutgers)에 mild, intermediate 및 severe 분리형(isolate)의 Potato spindle tuber viroid(PSTV)를 접종시킨 다음 같은 조건 아래에서 생장시킨 결과, 접종된 자표 식물은 각기 다른 증상을 나타내었다. Mild 분리형에 접종된 식물은 건전주와 비슷한 생장을 보였으나, 전기영동을 실시한 결과에서는 intermediate 및 severe 분리형에서 나타난 것과 마찬가지로 뚜렷한 viroid-band를 볼 수 있었다. 각기 다른 PSTV 분리형들의 고리 및 막대모양 RNA의 전기영동적 이동성의 차이점을 조사하고자 변성 전기영동을 실시한 결과, 각 분리형들사이에 전기영동적 이동성의 차이점은 나타나지 않았다.
Bacillus spp. 에 의한 Phenol 의 생분해
이종석,이재열,임종기 경북대학교 환경과학연구소 1996 環境科學硏究所論文集 Vol.10 No.1
The bacterium, capable of degrading phenol, was isolated from soil and identified as Bacillus spp. When the isolate was cultured in PAS & PA medium containing 1000mg/1 of phenol and 0.01(w/v) yeast extract, the substrate(phenol) was degraded more than 99.99 o within 30 hours. The maximum concentration on degradation of phenol was 1900mg/1 under the optiumum temperature of 30 and pH of 6.0, respectively. Specially, the degradation of phenol occurs in the different pH 4.0-9.0. The ability to degrade substrate(phenol) was examined by UV-visible spectrophotometer according to the 4-aminoantipyrine colorimetric method.