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권태완,이태영,Kwon, Tai-Wan,Lee, Tae-Young The Korean Society for Applied Biological Chemistr 1960 Applied Biological Chemistry (Appl Biol Chem) Vol.1 No.1
Ion 교환수지(交換樹脂) cdumn chromatography법(法)에 의(依)해서 식용해조(食用海藻)인 '미역'의 단백성질소획분(蛋白性窒素劃分) 및 비단백성질소획분(非蛋白性窒素劃分)의 amino산함량(酸含量)을 정량(定量)하였다. 1. 단백성획분(蛋白性劃分)의 질소함량(窒素含量) (34.1mg/10g)은 비단백성획분질소(非蛋白性劃分窒素)(13i3mg/10g)의 약(約) 10배(倍)이다. 2. 양자(兩者)의 amino산조성(酸組成)은 서로 대조적(對照的)이고 그중(中) 단백성획분(蛋白性劃分)에는 필수(必須) amino산(酸)들이 고루 함유(含有)되어 있으며 그들 함유율(含有率)은 대두단백(大豆蛋白)의 경우(境遇)보다 높았다. 3. 비단백성획분(非蛋白性劃分) (80% ethanol가용(可溶))에는 상당량(相當量)의 Citrulline이 함유(含有)되어 있는것 이는 Ion 교환수지(交換樹脂) Column에서의 용리순위(溶離順位), 일차원(一次元) 및 이차원(二次元) paper chromatogram 상(上)에서의 위치(位置), 그리고 Ninhydrin 및 Ehrlich 시약(試藥)에 대(對)한 양성반응(陽性反應)에 의(依)해서 증명(證明)하였으나 그 정확(正確)한 함량(含量)은 150-cm column에서 Glycine과 중첩(重疊)되어서 용리(溶離)되는 관계(關係)로 알수 없고, 다만 이들 혼합물(混合物)의 질소량(窒素量)이 이획분전질소중(劃分全窒素中) 약(約) 30%에 상당(相當)함을 밝혔다. 4. 비단백성획분(非蛋白性劃分)에서 유리상태(遊離狀態)로 존재(存在)하는 새로운 peptide를 분리(分離)해 냈는데, 이는 염산가수분해후(鹽酸加水分解後) paper chromatography에 의(依)해서 조사(調査)한 바 Alanine, Gluatmic acid 및 Aspartic acid로 조성(組成)된 Tripeptide 임을 알았다. 5. '미역'(건조물(乾燥物))에는 약(約) 1%에 해당(該當)하는 다량(多量)의 Alanine이 함유(含有)되어 있는데 그 중(中) 약(約) 1/3량(量)이 유리상태(遊離狀態)로 존재(存在)함을 알았다. The amino acid compositions of the protein and the nonprotein fractions obtained from a marine brown alga, 'Undaria pinnatifida' were determined by use of Ion Exchange Column Chromatography. The protein nitrogen in the alga was about ten times of the nonprotein nitrogen. Nonprotein fraction obtained from the extraction with 80 percent ethanol contains considerable amount of tree citrulline. Alanine content in the alga was the highest (about 1 per cent in dry weight) and one third of which was found in free state. The amino acid composition of the alga was well balanced and the content of the essential amino acids were relatively higher, than soybean protein. In addition, several peptide like substances were fractionated from nonprotein fraction, in which one way identified as a naturally occurring new tripeptide composed of alanine, glutamic acid and aspartic acid, and the remaining unknown substances are under investigation for the further information.
미세조류 배양을 위한 내부 LED 조사형 모듈식 광생물반응기 개발
권태완(Tae-Wan Kwon),추용주(Yong Ju Chu),이주은(Ju Eun Lee),이상효(Sang-Hyo Lee),이승엽(Seung-Yop Lee) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
This study focuses on the design of a horizontal type photobioreactor using internal LED illumination for the cultivation of microalgae such as Spirulina platensis. Photobioreactors with the capacity of 1 and 10 liters are designed to change the luminous intensity and flow rate and so on. The capacity of the proposed photobioreactor can be easily changed by replacing only inner and outer cylinder with additional LEDs. Moreover, the proposed design can be extended to a modular photobioractor system by connecting several photobioreactors. Multilayered wall is proposed to maximize the surface to volume ratio which improves the light efficiency. In Addition, several types of agitators are designed to improve the efficiency of mass transfer for microalgae cultivation. The design parameters of the horizontal type photobioreactor are optimized for the higher productivity of microalgae based on the experiments.
권태완(Tae Wan Kwon),송창우(Chang-Woo Song),이승엽(Seung-Yop Lee) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
Recently, various diseases of the legs are increasing due to the lack of mobility and seating for long periods of time. In this study, an apparatus for assisting lower limbs exercise(AALLE) is developed based on human body model to enable exercising in sitting position. In this paper, commercial software Matlab is used to obtain the specific angle and torque according to the movement of each part of human legs. AALLE formed with five bar links, is designed based on the results of Matlab simulation. The motions and torques of the link structure are analyzed by solving kinematics and inverse dynamics. A miniaturized prototype is manufactured to compare the simulation results and the actual motions.
이태영,권태완,이춘영,Lee, Tae-Young,Kwon, Tai-Wan,Lee, Chun-Young Korean Chemical Society 1962 대한화학회지 Vol.6 No.1
A new peptide was isolated from an edible brown algae "Undaria pinnatifida" by both two dimensional and ion-exchange resin chromatographies. The peptide was composed of three amino acids, glutamic acid, alanine and aspartic acid. 二次元 페이퍼크로마토그래피와 이온交煥樹脂크로마토그래피를 사용하여 미역의 알콜抽出物에서 新 패프타이드를 分離하고 그 構成은 글루타민酸, 아스파라긴酸, 알라닌의 三種 아미노산으로 되어 있음을 밝혔다. 各 아미노酸 結合順序는 次報에 發表하기로 한다.
이탸영,권태완,Lee, Tae-Young,Kwon, Tai-Wan 대한화학회 1961 대한화학회지 Vol.5 No.1
The Compositions of the free sugars in Korean Ginseng were determined by use of the ion exchange chromatography and anthrone reaction. The free sugars were sucrose, fructose and glucose. The contents of each sugar in dried and wet Ginseng were Sucrose: 8.525 and 5.280, Fructose: 0.498 and 0.245, glucose: 0.433 and 0.975, respectively.
발효에 의한 라이신(L-lysine) 생산에 관한 연구(1) -라이신 생산균주의 분리 및 라이신 생산조건의 검토-
민태익,권태완,Mheen, Tae-Ick,Kwon, Tai-Wan 한국식품과학회 1971 한국식품과학회지 Vol.3 No.1
전국 각지에서 수집한 토양을 비롯한 기타 시료로부터 배양액중에 lysine을 생산 축적하는 미생물 94주를 분리하여 이를 다시 비교 검토함으로써 lysine생산이 2 mg/ml 이상인 균주 6주를 선정하고 균학적 성질을 조사한 결과 Micrococcus 속 1주, Corynebacterium 속 3주, Brevibacterium 속 2주였다. Corynebacterium sp. 1주 (S-27-12)에 대한 합성 배지에서의 lysine 축적조건을 검토한 결과 glucose 7.5%, urea 0.6%, $KH_2PO_4\;0.2%$, $Na_2HPO_4\;0.05%$, $MgSO_4{\cdot}7H_2O\;0.03%$, $MnSO_4{\cdot}4H_2O\;0.001%$, $FeSO_4{\cdot}7H_2O\;0.0005%$, pH 7.2가 최적이었으며 이 때의 lysine 생산량은 4mg/ml 정도였다. Ninty four strains of lysine producing micro-organisms in culture broth during fermentation have been isolated from soil and other sources. From the comparison of the amounts of lysine produced, 6 strains have been selected as the potentially useful strains, and identified tentatively as Micrococcus sp. (S-16-4), Corynebactcrium sp. (S-27-12, S-281-3, CBY-4) and Brevibacterium sp. (M-6-71, F-629-2), respectively. From the further studies with Corynebacterium sp., S-27-12, its maximum yield was found to be 4mg lysine/ml of synthetic medium, consist of glucose(7.5%), urea(0.6%), $KH_2PO_4(0.2%)$, $Na_2HPO_4(0.05%)$, $MgSO_4{\cdot}7H_2O(0.03%)$, $MnSO_4{\cdot}4H_2O(0.001%)$ and $FeSO_4{\cdot}7H_2O(0.0005%)$ at pH 7.2 and $30^{\circ}C$ after 4 days.