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Characterization of Levan Hydrolysis Activity of Levansucrase from Zymomonas mobilis ATCC 10988 and Rahnella aquatilis ATCC 33071

  • Jang, Ki-Hyo;Kang, Soon-Ah;Kim, Chul-Ho;Lee, Jae-Cheol;Kim, Mi-Hyun;Son, Eun-Wha;Rhee, Sang-Ki
    • Food Science and Biotechnology
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    • 제16권3호
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    • pp.482-484
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    • 2007
  • To investigate production and hydrolysis of levan, the levansucrase enzymes from Zymomonas mobilis ATCC 10988 and Rahnella aquatilis ATCC 33071 were used. The optimum temperature of R. aquatilis levansucrase for levan formation was $37^{\circ}C$, whereas that of Z. mobilis was $4^{\circ}C$, under the experimental conditions. Both levansucrases also catalyzed the reverse levan hydrolysis reaction. Levan hydrolysis reactions from both levansucrases were temperature dependent; high temperature ($20^{\circ}C$) was more favorable than low temperature ($4^{\circ}C$) by 4 times. Fructose was the only product from hydrolysis reaction by both levansucrases, showing that both levansucrases mediated the hydrolysis reaction of exo-enzyme acting. In both enzymes, initial levan hydrolysis activity was almost accounted to 1% of initial levan formation activity. The results allow the estimation of the fructose release rate in enzyme processing conditions.

세심탕(洗心湯)이 뇌조직(腦組織)의 산화작용(酸化作用)에 미치는 영향(影響) (The Antioxidant Effects of Sesimting on the Brain Tissue of Rat)

  • 김성현;이상룡
    • 동의신경정신과학회지
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    • 제8권2호
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    • pp.39-50
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    • 1997
  • This experiment was to investigate the antioxidant effect of Sesimtang(SST) on brain tissues of mouse. The experimental groups were divided into three groups and treated ad follows for 15 days ; Normal group(NC), Vt.E admistrated group(PC), SST administrated Group(SST). After the extracting microsome from brain of mouse, those were measured the amounts of oxidant materials like MDA(malonaldehyde) and $H_2O_2$, then activities of antioxidant enzymes like SOD(superoxide dismutase), catalase, NADPH-cytochrome P-450 reductase. The results were as follows; 1. In TBA reaction to measure the amount of MDA, oxidant material of brain tissue of aged rat, both treated groups showed significant decrease. 2. Hydrogen peroxide formation was showed significant decrease in both treated groups than normal group. 3. Superoxide dismutase activity was increased in both treated groups than normal group, and showed little change in SST administrated group than normal group. 4. Catalase activity was increased in both treated groups than normal group. 5. NADPH-cytochrome P-450 reductase activity was increased in both treated groups than normal group.

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Sweet Bee Venom 으로 한방비만치료 효과를 개선시킨 1례 (Case Study on Effect of Sweet Bee Venom Mesotherapy on Obese Female Patient)

  • 차윤엽
    • 동의생리병리학회지
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    • 제22권4호
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    • pp.982-986
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    • 2008
  • This study was performed to evaluate the oriental obese therapeutic effect with Sweet Bee Venom Mesotherapy on obese female patient of 53th years old with $Tae\bar{u}min$. We applied herbal medication, electrolipolysis, auricular acupuncture to her during 6 weeks. But, Body fat mass(Kg) and Percent Body Fat(%) was increased. After that, We treated with Sweet Bee Venom Mesotherapy on Chung-wan, Sang-wan, both Yang-mun, both $Ch'\bar{o}nch'\bar{u}$, both $Taeh\bar{o}ng$, both $Taeg\bar{o}$, both $Pokky\bar{o}l$, Kihae acupoint of abdomen during 5 weeks. We had a results of such as decreasing change of Body fat mass(Kg) and Percent Body Fat(%) with Body composition analyzer(Inbody 3.0, Biospace, Korea). And Subcutaneous Fat was decreased at all abdominal acupoints after Sweet Bee Venom Mesotherapy with Ultrasonography(LOGIQ200MD, USA). Therefore we have suggested that Sweet Bee Venom Mesotherapy have possibility to be utilized for oriental obese treatment.

$Guillain-barr{\acute{e}}$ 증후군(症候群)에 대한 동의학적(東醫學的) 고찰(考察) (병인병기(病因病機)와 변증시치(辨證施治)를 중심(中心)으로) (THE ORIENTAL MEDICINE STUDY ON G-B SYNDROME (Centering around the etiological factors pathological mechanism and dianosis and treatment))

  • 홍유성;황우준
    • 대한한의학회지
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    • 제16권1호통권29호
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    • pp.118-131
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    • 1995
  • According to the oriental medicine study on G.B.S, we obtained the result as follows : 1. G.B.S was inclined in flacid paralysis and pain and numbness(痺) in oriental medicine. 2. Etiology factors of G.B.S was classified exogenous and endogenous pathogenic factors. The formers was warmth and heat(濕熱), summer heat and dampness(暑濕), dampness and heat(濕熱), and cool and dampness(寒濕), the latter was the deficiency in both the spleen and the stomach(脾胃虛弱), deficiency of Yin(vital essence) in both the liver and kidney(肝腎陰虛) the factor of dampness and heat(濕熱) was most numerous. 3. Pathological mechanism of G.B.S was close connected with the five viscera - the spleen(脾), the stomach(胃), the liver(肝), the kidney(腎), the lung(肺) 4. Differentiation of Symptom-Complexes(辨症) in the G.B.S was consumption type of nutrient fluid due to heat symptom in the lung(肺熱傷津), fullness type of dampness and heat(濕熱侵淫), defiency type in both the spleen and the kidney(脾腎不足), deficiency type in both the spleen and the stomach(脾胃虛弱), deficiency type in the liver and the kidney(肝腎兩虛) 5. Acupuncture treatment for G.B.S was mainly Yangmoung channels of both the hand and the foot.(手足陽明經)

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혼합정수계획법 및 GIS를 활용한 유류저장탱크의 입지선정 (Oil Tank Location Problem Solving with Mixed Integer Programming & GIS)

  • 최기주;김숙희;신강원
    • 대한교통학회지
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    • 제19권5호
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    • pp.99-108
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    • 2001
  • 본 논문은 유류저장탱크의 최적입지를 선정하기 위한 GIS와 OR 통합적용기법을 제시하며, P-Median heuristic method와 MIP method가 모두 유류저장탱크의 최적입지 선정 문제에 적용될 수 있음을 실증하였다. 또한, 두 접근 방식에 의해 확인된 결과들은 동일하였다. P-Median heuristic method와 MIP method 를 풀이하는데 필요한 최단거리 매트릭스를 계산해내 기 위해 GIS기반 도로망과 해운네트워크를 구축·결합하였으며, 두 접근방법을 통해 우리나라의 최적 유류저장탱크의 입지를 선정한 결과 권역별로 군산항, 여수항, 부산항, 옥계항이 선정되었다. 위와 같이, 본 연구를 통해 CIS와 P-Median heuristic method, MIP method의 적용은 실증되었으며, 유사한 연구 또한 GIS와 OR의 통합적용을 통해 수행될 수 있을 것이다.

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의류(衣類)쇼핑가치(價値)와 쇼 윈도우 디스플레이 유형(類型)에 따른 소비자(消費者) 태도(態度) (Influence of Window Display and Clothing Shopping Value on Consumer Attitude)

  • 권혜숙;신은경
    • 패션비즈니스
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    • 제11권5호
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    • pp.64-78
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    • 2007
  • The main findings are as follows: First, both male and female group, image display was showed higher scores than the product display in the dimensions of 'interest' and 'impression, and the product display presented higher scores than the image display in the dimensions of 'information'. Second, in the dimensions of 'interest', more interest was demonstrated in image display for both male and female consumer group irrelevant to clothing shopping values. The pleasure pursuit consumer group of male and female presented more interest toward the both types of window display. Third, in the dimensions of 'information', the product display had more effect for both sex groups and the pleasure pursuit consumer group was seeking more information than the others groups through the window display. Fourth, in the dimensions of 'impression', the image display formed stronger impression and image for both male and female consumer group and the pleasure pursuit group showed higher score of impression formation than the other two groups.

Symbiotic organisms search algorithm based solution to optimize both real power loss and voltage stability limit of an electrical energy system

  • Pagidi, Balachennaiah;Munagala, Suryakalavathi;Palukuru, Nagendra
    • Advances in Energy Research
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    • 제4권4호
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    • pp.255-274
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    • 2016
  • This paper presents a novel symbiotic organisms search (SOS) algorithm to optimize both real power loss (RPL) and voltage stability limit (VSL) of a transmission network by controlling the variables such as unified power flow controller (UPFC) location, UPFC series injected voltage magnitude and phase angle and transformer taps simultaneously. Mathematically, this issue can be formulated as nonlinear equality and inequality constrained multi objective, multi variable optimization problem with a fitness function integrating both RPL and VSL. The symbiotic organisms search (SOS) algorithm is a nature inspired optimization method based on the biological interactions between the organisms in ecosystem. The advantage of SOS algorithm is that it requires a few control parameters compared to other meta-heuristic algorithms. The proposed SOS algorithm is applied for solving optimum control variables for both single objective and multi-objective optimization problems and tested on New England 39 bus test system. In the single objective optimization problem only RPL minimization is considered. The simulation results of the proposed algorithm have been compared with the results of the algorithms like interior point successive linear programming (IPSLP) and bacteria foraging algorithm (BFA) reported in the literature. The comparison results confirm the efficacy and superiority of the proposed method in optimizing both single and multi objective problems.

국제선박보험약관의 활용 방안에 관한 연구 - 공동해손 및 구조비용에 관한 비교 분석 - (A Study on the Application of International Hull Clauses(2003) - A Comparative on the General Average and Salvage -)

  • 윤승국;이재복
    • 무역상무연구
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    • 제54권
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    • pp.213-233
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    • 2012
  • International Hull Clauses(IHC(2003)) which have replaced the old system, Institute Time Clauses, Hull(ITCH), used more than 100 years in the shipping industry that did not fit the reality of the market and customs was announced in 01/11/2003 and was intended to supplement the existing issues to reflect the terms that had been used. IHC(2003) was composed of systematical and logical phrases to minimize the conflict which happened between the insured and the insurer after the incident. But IHC(2003) is being ignored by both the insured and the insurer in the shipping industry due to the differences in both positions. In addition, the studies about IHC(2003) in local academics are very low and many companies in the shipping industry are using both systems, IHC(2003) and ITCH so the usage of IHC(2003) is not so activated. Thus, this study will examines the main features and the compositions of IHC(2003) and compare IHC(2003) with ITCH(1983) in some provisions in both systems and then derive some similarities from the both systems and finally would suggest the necessity and validity of active use of IHC(2003).

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Impact of Capital Structure on Profitability: A Comparative Study of Islamic and Conventional Banks of Pakistan

  • QAYYUM, Noor ul;NOREEN, Umara
    • The Journal of Asian Finance, Economics and Business
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    • 제6권4호
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    • pp.65-74
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    • 2019
  • This study has two main purposes; first, it examines the effect of capital structure on profitability of Islamic and conventional banks; second, it determines that whether the capital structure of Islamic and conventional banks is same or not. A sample of ten banks was taken over the period 2006-2016. Independent samples T-test was used for finding the comparison between the capital structure of Islamic and conventional banks while for assessing the impact of capital structure on profitability, regression analysis (Fixed effects model) was used. Results showed that the capital structure of both types of banks was similar except for bank size which differed significantly. Moreover, ROA was negatively correlated to the capital structure of both conventional and Islamic banks. In contrast, ROE was positively correlated to the capital structure of both conventional and Islamic banks. In addition to that, two explanatory variables were positively correlated while two were negatively correlated to EPS for both Islamic and conventional banks. This study proves the existence of prominent theories of capital structure (pecking order theory and trade-off theory) for both conventional and Islamic banks in Pakistan and also validates the economies of scale.

소의 전침마취에 적용하는 경혈배합에 관한 실험적연구 (Experimental Studies on the Acupuncture Prescription for Electroacupuncture Analgesia of the Cattle)

  • 서두석;한방근
    • 한국임상수의학회지
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    • 제6권1호
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    • pp.217-225
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    • 1989
  • In order to develop the effective methods of electroacupuncture anesthesia to bovine species. eight animals of Korean native cow, which are healthy and have ordinary perception response. were examined to study on the acupuncture prescription. In the present study, six kinds of acupuncture prescription methods were applied with four kinds of meridian points which consist of Sam Yang Rack, Keuk Moon, Boo Yang and Sam Eum Kyo. The results are summarized as follows. 1. All kinds of methods applied here were simple in needling technique but considerably effective on analgesia. It was also confirmed that the methods could be applied to the all clinical signs, because these were not depended to vary on the position of operation area and the body restrain. 2. The results, which were obtained by applying to all meridian points at both legs selected by diagonal lines(e. g., right foreleg and left hind leg, and vice versa) and to all meridian points at the all legs, were revealed the same analgesia effect. However, the result applied to meridian points at one side of body did not show the good effect for analgesia. 3. When the acupuncture prescription was applied to Sam Yang Rack and Keuk Moon at both forelegs, and Boo Yang and Sam Eum Kyo at both hind-legs, the good effects of regional analgesia appeared at the anterior body and both forelegs, and the posterior body and both hind-legs, respectivery. 4. There was no sognificant difference in changing biochemical pictures of blood and serum during the experiment.

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