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Changes in Content of Catalpol, Verbascoside and Aucubin in Period and Site of Rehmannia glutinossa
Chung Oui Hong(홍중의),Sang Hoon Lee(이상훈),Jong Won Han(한종원),Kyung Ho Ma(마경호),Yae Jin Kim(김예진),Sung Cheol Koo(구성철),Woo Moon Lee(이우문),Ei Hyun Kim(김이현),Jae Ki Chang(장재기),Sin Hee Han(한신희) 한국약용작물학회 2019 한국약용작물학회 학술대회논문집 Vol.2019 No.1
장재기(Jae Ki Chang),손재근(Jae Keun Sohn),김호영(Ho Yeong Kim),김경민(Kyung Min Kim) 한국육종학회 1997 한국육종학회지 Vol.29 No.4
The diallel analysis was conducted with F₁ and F₂ population derived from crossing in all combinations without reciprocals among six rice cultivars, three tropical japonica and three japonica types, with different panicle number and panicle length. The expression was controlled by additive gene action with partial negative dominance in panicle number and partial positive dominance in panicle length. Epistasis was not recognized for the two characters. The narrow-sense heritability was estimated at 92% for panicle number and 82% for panicle length. GCA effects were larger than that of SCA in both characters. There were significant correlations between F₁ and F₂ generation on the ranks of parents GCA effects.
겨우살이 lectin의 흰쥐 간세포 독성에 미치는 영향
장철수 ( Choul Soo Chang ),류재기 ( Jae Ki Ryu ),김태호 ( Tae Ho Kim ) 대한임상검사과학회 2007 대한임상검사과학회지(KJCLS) Vol.39 No.3
In the present study, the author investigated to the cytotoxocity in cultured rat hepatocytes of Viscum album lectin. The cytotoxcity effect in Viscum album lectin on the activity of LDH was also investigated. Viscum album lectin significantly increased LDH leakage into medium of hepatocytes treated or untreated with CCl4 (p<0.001). However, Viscum album lectin significantly increased LDH leakage from CCl4-induced hepatocyte (p<0.001). There was a significant increase in LDH levels relative to the control group. Histological observation basically supported the result obtained from LDH assay. The livers of rats challenged with CCl4 produced a marked increased cytoplasmic vacuoles and inflammatory cells in number, while the number of necrotic cells and swollen hepatocytes did not change significnatly. Rats administered DMSO alone did not alter the normal hepatic architecture. Histological observation of liver section in rat treated 72 hrs with either Viscum album lectin CCl4-induced liver damage showed number of cytoplasmic vaculoe and necrotic cell. The number of inflammatory cell increased markedly. This results suggest to the conclusion that Viscum album lectin has a effect of hepatotoxicity activator.
류재기 ( Jae-ki Rye ),장철수 ( Choul-soo Chang ) 대한임상검사과학회 2010 대한임상검사과학회지(KJCLS) Vol.42 No.2
The aim of this study was to investigate the problem areas in the current clinical training of biomedical laboratory science education which may guide the development of an effective strategy for managing clinical training for biomedical laboratory science students. A self-reporting questionnaire was developed by the researchers. This survey was conducted between May 1st and May 15st in 2009 and 92 questionnaires werecollected from senior biomedical laboratory science students. In Analyzing data, chi-square test was used for categorical variables. 82.6% of respondents was satisfied with conditions of the training institutes. 30~40% of the respondents reported that they were not satisfied with the programs and supervision systems for training students even though the staff members of other disciplines were supportive in general. Although83.7% of the respondents reported that they were obtaining information and knowledge for their professional carrier through the training, 70.7% of the respondents reported that they had negative experiences during the training. According to the result of the survey, it can be inferred that the structure of the training education needs to be more systematically organized in order to train the well prepared entry-level biomedical laboratory scientists.
중부지역 적응 조생 복합내병성 고품질 벼 ‘중모1023’
원용재(Yong-Jae Won),조영찬(Young-Chan Cho),최임수(Im-Soo Choi),이점호(Jeom-Ho Lee),이상복(Sang-Bok Lee),이정희(Jeong-Heui Lee),오명규(Myung-Kyu Oh),김정주(Jeong-Ju Kim),양창인(Chang-Ihn Yang),안억근(Eok-Keun Ahn),장재기(Jae-Ki Chang 한국육종학회 2015 한국육종학회지 Vol.47 No.3
The ‘Jungmo1023’ is the japonica rice variety developed from a cross between Yeongdeog34 and F1 of Iksan456 and SR21097-B-B-19-2-2 by the rice breeding team at NICS in 2012. The heading date of ‘Jungmo1023’ is August 3 in middle plain area and it is six days earlier than ‘Hwaseong’. ‘Jungmo1023’ has 80 cm of culm length which is 4 cm shorter than those of ‘Hwaseong’ and 107 spikelet per panicle. The premature heading rate of ‘Jungmo1023’ was 3.3%. It showed resistance to blast, bacterial blight (K1, K2, K3 race) and stripe virus, but susceptibility to K3a race of bacterial blight, dwarf and black streak dwarf viruses and planthoppers. The milled rice of this variety exhibits translucent and medium short grain shape. It has better palatability index of cooked rice (0.24) and lower amylose content (18.0%) than that of ‘Hwaseong’. The characteristics related to grain milling were better than those of ‘Hwaseong’, especially head rice milling recovery ratio and head rice ratio (96.2%). ‘Jungmo1023’ showed 4.56 MT/ha of milled rice productivity at 7 sites in ordinary cultivation. However, ‘Jungmo1023’ showed early cultivation culture adaptability because of 98% of its yield potential (4.99 MT/ha) compared to high yielding early-maturing variety ‘Jopyeong’. ‘Jungmo1023’ could be adaptable to the middle plain, mid-mountainous and north-east coastal area in Korea (Registration No. 5115).