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주동기 한국미생물학회 1976 미생물학회지 Vol.14 No.1
Effect of some nutrients on the growth of 3 yeast strains in the pulp mill waste liquor was determined during an attempt to lower the BOD content of the waste liquor and to produce the fodder yeast. The strains applied were Debaryomyces castelli Capriotti, D.phoffi Capriotti, and Cryptococcus luteolus (Saito)Skinner. The necessity of the addition of 0.2% ${NH_4}2SO_4$ 0.5% yeast extract, 0.2% $NH_2SO_4$, and 0.1% $MgSO_4$.$7H_2$O for the best growth of all three strains in the waste liquor was ascertained as a result. After 3-day treatment of the yeast cells on the waste liquor, the BOD content was lowered by about 60-70%. Harvested yeast cells contained ca. 75% water with 1.5-3% lipid, 40-46% protein, 50% carbohydrate and 3-5% ash on the dry weight basis, indicating the possibility of being utilized as the fodder yeast.
Methylomonad T의 最適 生育條件에 關한 硏究
朱東驥 全南大學校 師範大學 科學敎育硏究所 1981 科學敎育硏究誌 Vol.6 No.1
A bacterium capable of rapid growth on methanol as a sole source of carbon and energy was isolated. Regarding its morphological and some physiological properties, it was assumed to be a member of Methylomon adaceae(probably a Methylococcus sp.) though it required relatively high concentration of thiamine for growth. Optimum culture conditions of the isolate for SCP production were studied.
Methylomonad T의 炭素源 資化能에 關한 硏究
朱東驥 全南大學校 師範大學 科學敎育硏究所 1984 科學敎育硏究誌 Vol.9 No.1
Methylomonad T, which has been believed to be a member of the family Methylomonadaceae, utilized each of formaldehyde, formate, methylamine, and acetate as a sole source of carbon and energy. Ethanol was not utilized by this microorganism. The assimilation of these substrates was inducible, though the growth rate by these compounds was much lower than that by methanol.
Methylomonad T에 依한 Glucose의 資化에 關하여
朱東驥 全南大學校 師範大學 科學敎育硏究所 1982 科學敎育硏究誌 Vol.7 No.1
Methylomonad T , previously believed to belong to the family Methylomonadaceae , was proved to be able to utilize glucose as a sole source of carbon and energy. The assimilation of glucose by Methylomonad T was inducible.
주동기 光州敎育大學校 初等敎育硏究所 2011 初等敎育硏究 Vol.25 No.2
This paper explores the educational project of environmental ethics to cultivate students' moral imagination in elementary moral subject. First of all, it argues the meanings and component parts of moral imagination in order to complete this purpose, and considers the problems of environmental ethics education in elementary moral subject. And it explores the educational methods of environmental ethics for cultivating moral imagination in order to resolve these problems. Lastly, it studies the various educational methods of environmental ethics to cultivate moral imagination and to inspire the environmental ethics consciousness into elementary school students on the basis of these arguments. Key Words: Moral Imagination, Moral Education, environmental ethics Education, Imaginative Rationality.
朱東驥 全南大學校 師範大學 科學敎育硏究所 1983 科學敎育硏究誌 Vol.8 No.1
Methylomonas L, Hyphomicrobium G, and Hyphomicrobium H, which can produce amino acid utilizing methanol as a sole source of carbon and energy were isolated. None of them required vitamin for growth. All grew best at 1 % initial methanol concentration with intermittent feeding. Methylomonas L produced 68mg / lysine after 3-day culture, while Hyphomicrobium G and Hyþhomicrobium H produced 43mg / glycine and 27mg / histidine, respectively. Methylomonas L assimilated only methanol, but the 2 Hypomicrobium spp. assimilated both formaldehyde and ethanol as well as the other carbon sources known to be utilized by Hyphomicrobium spp.
朱東驥 全南大學校 師範大學 科學敎育硏究所 1980 科學敎育硏究誌 Vol.5 No.1
microorganism which can produce extracellular amino acids using moth-anol as a sole source of carbon and energy was isolated. It was a Gram-negative, single, straight, pink colored rod motile by a polar flagellum. Methanol을 이용하여 amlno산을 生成하려는 시도의 일환으로methanol을 유일한 탄소원및 energy원으로 사용하면서 體外에 amino산을 분비하는 세균을 分離하였다.
Salmonella typhimurium LT-2의 Freeze-Thawing에 依한 DNA損傷과 Magnesium Ion의 損傷防止效果
朱東驥 全南大學校 師範大學 科學敎育硏究所 1977 科學敎育硏究誌 Vol.2 No.1
DNA damage in S. typhimurium LT-2 by freeze-thawing was studied using 3Hthymidine-labelled bacteria. Quickly frozen-thawed cells showed higher survival rate and less DNA damage compared to the ones frozen-thawed slowly. The presence of 10-2MMgtt ion was effective for both the survival and the protection of DNA damage of the cold-treated cells. Death of the frozen cells was thought to be due, at least in part, to the damge of DNA.
具熙泰,朱東驥 全南大學校 師範大學 科學敎育硏究所 1988 科學敎育硏究誌 Vol.12 No.1
The actual state of possession of scientific instruments for Biology I experiments was investigated in 39 high schools in Kwang-ju city and Chollanamdo Province by the questionaire during the period from Sept. through Nov. 1986. As a result, it was found that 21 kinds of instruments are necessary for the experiments mentioned in 5 textbooks. Among them, the Secchi disc is not included in the Act of Standard for Scientific Instruments notified by the Ministry of Education. The actual state of Possession of the Biology I instruments is 67%04 items) in items and only 21%(210 pieces) in pieces on the average, compared to the Act of Standard. Moreover, the average possession rate of the major instruments reached only 19%. Besides, the potential performance possibility of personal experiment is only 16% (6 items) and that for model experiment is 63% 08 items) on the average.
중등학교 교사 임용시험 생물문항과 고등학교 생물Ⅰ·Ⅱ와의 연계성 연구
이은경,주동기,조정일,유형빈 全南大學校 師範大學 科學敎育硏究所 2007 科學敎育硏究誌 Vol.31 No.1
This study’s aim is to study the links between the biology section of the secondary teacher employment exam content from 2003-2007 and second science curriculum. To accomplish this objective 1 classified the test content by the section in the 7th secondary science curriculum and examined the frequency of the test content according to a great deal of each section. The results of this study is that the sections that are dealt with more importantly in Biology 1 are ‘Stimulation and Response'(17.7%), and ‘Life Science and Human Life’(16.6%) in that order. In Biology II it is ‘Biodiversity and Environment'(33.6%), and ‘the Life Continuity’(26.8%) in order. The questions of the examination were taken more from ‘the Life continuity’(27.44%) section than from ‘the Biodiversity and Environment’(2 1.43%) section and there are no questions from ‘the Life science and Human Life'(O%) section. It shows that the science teacher employment test can’t reflect the secondary science curriculum properly. Also we don’t have any feedback of existing study results. Hence the teacher employment test which aims to select superior teachers, should be developed further. Also the questions should be balanced according to the sections of the text that are emphasized in school.