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Antioxidant and Anti-adipogenic Effects of Fermented Rhus verniciflua (발효옻 추출물의 항산화 및 지방세포 분화 억제 효과)

  • Rha, Young-Ah;Choi, Mi-Sook;Park, Sung-Jin
    • Culinary science and hospitality research
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    • v.20 no.3
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    • pp.137-147
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    • 2014
  • This study investigates the antioxidant and anti-adipogeneic effects of fermented Rhus verniciflua., evaluating the total phenol, total flavonoids contents and antioxidant activity of the fermented Rhus verniciflua as well as assessing the lipid accumulation during adipogenesis of 3T3-L1 cells. Our results demonstrate that the total phenolic and flavonoids contents of fermented Rhus verniciflua were $29.2{\pm}0.12$ GAE mg/g and $20.4{\pm}1.52$ RE mg/g, respectively. The antioxidative activities of fermented Rhus verniciflua were significantly increased in a dose dependent manner on DPPH (1,1-Diphenyl-2-picrylhydrazyl) radical scavenging, ABTS(2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt) radical scavenging, FRAP(ferric reducing antioxidant power)activity, reducing power. In addition, the fermented Rhus verniciflua did not show any cytotoxicity up to 300 ug/mL. However, the anti-adipogenic effect of fermented Rhus verniciflua extract was barely detectable.

Numerical Studies on Combined VH Loading and Inclination Factor of Circular Footings on Sand (모래지반에서 원형기초의 수직-수평 조합하중 지지력과 경사계수에 대한 수치해석 연구)

  • Kim, Dong-Joon;Youn, Jun-Ung;Jee, Sung-Hyun;Choi, Jaehyung;Lee, Jin-Sun;Choo, Yun Wook
    • Journal of the Korean Geotechnical Society
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    • v.30 no.3
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    • pp.29-46
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    • 2014
  • For circular rigid footings with a rough base on sand, combined vertical - horizontal loading capacity was studied by three-dimensional numerical modelling. A numerical model was implemented to simulate the swipe loading and the probe loading methods and an interpretation procedure was devised in order to eliminate the numerical error from the restricted mesh density. Using the Mohr-Coulomb plasticity model, the effect of friction angle was studied under the associated flow-rule condition. The swipe loading method, which is efficient in that the interaction diagram can be drawn with smaller number of analyses, was confirmed to give similar results with the probe loading method, which follows closely the load-paths applied to real structures. For circular footings with a rough base, the interaction diagram for combined vertical (V) - horizontal (H) loading and the inclination factor were barely affected by the friction angle. It was found that the inclination factors for strip and rectangular footings are applicable to circular footings. For high H/V ratios, the results by numerical modelling of this study were smaller than the results of previous studies. Discussions are made on the factors affecting the numerical results and the areas for further researches.

Numerical Studies on Combined VM Loading and Eccentricity Factor of Circular Footings on Sand (모래지반에서 원형기초의 수직-모멘트 조합하중 지지력과 편심계수에 대한 수치해석 연구)

  • Kim, Dong-Joon;Youn, Jun-Ung;Jee, Sung-Hyun;Choo, Yun Wook
    • Journal of the Korean Geotechnical Society
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    • v.30 no.3
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    • pp.59-72
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    • 2014
  • For circular rigid footings with a rough base on sand, combined vertical - moment loading capacity was studied by three-dimensional numerical modelling. Mohr-Coulomb plasticity model with the associated flow-rule was used for the soil. After comparing the results of the swipe loading method, which can construct the interaction diagram with smaller number of analyses, and those of the probe loading method, which can simulate the load-paths in the conventional load tests, it was found that both loading methods give similar results. Conventional methods based on the effective width or area concept and the results by eccentricity factor ($e_{\gamma}$) were reviewed. The results by numerical modelling of this study were compared with those of previous studies. The combined loading capacity for vertical (V) - moment (M) loading was barely affected by the internal friction angle. It was found that the effective width concept expressed in the form of eccentricity factor can be applied to circular footings. The numerical results of this study were smaller than the previous experimental results and the differences between them increased with the eccentricity and moment load. Discussions are made on the reason of the disparities between the numerical and experimental results, and the areas for further researches are mentioned.

A Survey on the Knowledge and Preferences for Korean Food Targeting Germans Residing in Korea (주한 독일인의 한국 음식에 대한 인식 및 기호도 조사)

  • Jang, Jung-Ja;Jeong, Hee-Sun
    • Culinary science and hospitality research
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    • v.17 no.5
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    • pp.1-14
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    • 2011
  • This study has been conducted to research the interests and tastes in Korean cuisine aiming at Germans who have lived in Korea for over 6 months, create new Korean menu items to their taste, and provide preliminary data for the globalization of Korean cuisine. Germans living in Korea tend to prefer Korean dishes as much as German dishes, and males have more opportunities to have different Korean dishes than females through social activities. Most of them answered that they barely cook Korean food and gave low marks for the globalization of Korean food and ease of cooking. The main reason given for not cooking Korean food themselves was that it is complicated to cook, which is a direct indication of the lack of knowledge of the recipes. Therefore, the importance of simplification and standardization of recipes for the globalization of Korean food was revealed. From the study on Korean food preferences based on the restaurant frequenting practices of Germans, the most popular Korean restaurants were those which were located in popular restaurant districts or within walking distance and those with an elegant or tranquil ambience. To promote the globalization of Korean food, development of diverse easy recipes or education about Korean dishes for foreigners would enhance their understanding and familiarity of Korean cuisine.

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The Change and Transformation of Namsan(Mt.) Parks in Early Modern Seoul (변화와 변용으로 본 근대기 서울 남산의 공원)

  • Park, Hee-Soung
    • Journal of the Korean Institute of Landscape Architecture
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    • v.43 no.4
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    • pp.124-139
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    • 2015
  • Unlike other mountains in Korea, Seoul Namsan(南山), which is one of the landmarks that represent the country's capital city, is perceived as a city park. This article aims to study the process that Namsan became a park and the transformation of its place in Korean Emperor and Japanese colonial period. The serial changes in Namsan, in early modern era, mean that is associated with the colonial urbanization and the rule of space by Japan. The stages of Waeseongdae Park(倭城臺公園), Gyeongseong Park(京城公園) and Hanyang Park(漢陽公園) under the leadership of Japan, due to the extension of Japan's power, Namsan has became the park. Here, the park has become a strategic tool of other's occupying Hanseongbu(漢城府), a capital city. The process that Namsan became a park dose not mean making the space for recreation and rest, but is an excuse for using the land. Since then, Namsan's parks barely fulfilled its original function as park as it was transformed into a shrine, Gyeongseong Jinjya(京城神社), for Japanese warriors or was incurred upon by Joseon Singung(朝鮮神宮), which was established as a facility to govern Korea, sometimes is gradually and sometimes is mercilessly. The fact, transplantation of Japanese culture and replacement as ruler space, is another aspect of occupying and govern place. In other words, while the process that Namsan became a park is the way of establishing Japanese force, the transformation of its place show a colonial rule as an aspect of space. Meanwhile, in spite of transformation to shrine, Namsan became accepted as a park for a long time, because of the forest of Namsan. Japan managed forest as a sacred place. It is also a result of the Japanese rule of space.

A Study on the Multi-function in Package Design According to Changes in Consumer Trends - Focusing on the Used in Food Packing Material - (소비자 트랜드 변화에 따른 패키지디자인의 다기능 현상에 관한 연구 - 식품패키지 재료를 중심으로 -)

  • 김응화
    • Archives of design research
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    • v.17 no.3
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    • pp.343-352
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    • 2004
  • Under the production system of a free market economy, the modern consumers'goods that feature current trends reveal diverse aspects of the whole society and culture. This phenomenon is progressing at such a rapid speed that theories can barely keep up to explain it dearly. It is believed that the reason for the lag in academic theories is the formation of pluralistic values in human lifestyles due to the development of science and information communication. The pluralism of values in contemporary society is being studied in many academic fields, and the design among these fields often sees such a phenomenon as one of the post-modernism concepts, where post-modernism suggests a diversification and dismantling of modernism. In other words, the current design is closely watching products that are totally different from existing products, from complex and conceptual outcomes in the field of design to products that reflect various trends. Thus, it is true that package design, which proactively reflects current trends, freely traverses among specific domains of various fields that have been determined tacitly. It is also believed that other fields are also reflecting the same developments. Such a phenomenon is strikingly revealed with so-called 'fancy products', while other products 'parody' package design. This study sees the phenomenon as dismantling the border between product design and package design. The examined package design reflects the broader characteristics of the times, based on current concepts and meanings, after reviewing design examples.

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A study on the Effect of Electricity Environment Interference for Very High Voltage 345kV T/L (초고압 345kV T/L으로 인한 전기 환경 장해 영향에 대한 연구)

  • Yim, Hwang-bin;Ko, Nam-gyu
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.1 no.3
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    • pp.9-16
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    • 2008
  • We centrally study effect of very high voltage 345kV T/L which is set up at residential area (Yangyang~Donghae in Gangwon-do) to broadcasting radio wave and human body. First, to compare predicted result of radio wave disturbance, we set 7 area 13 point and divide broadcasting quality, electric and magnetic fields in T/L process. Result of estimation, we confirm that when receiving broadcasting radio wave, broadcasting quality's difference is generated by topographic property of near receiving point. also through result of electric fields and broadcasting quality and their comparison, we judge that high voltage T/L is barely affect receive of broadcasting radio wave. To judge effect of magnetic fields to human body, we analyze magnetic fields in variable area and condition. as a result, magnetic fields of every area has 1.8mG(WHO international standard amount is 833mG). So It is proved that magnetic fields of 345kV Yangyang~Donghae area has slight, tiny effect to human body.

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Comparison of particle removal efficiency between the physical cleaning methods in the fabrication of liquid crystal displays (LCD 제조공정에서 물리적 세정법의 미립자 제거효율 비교 연구)

  • Park, Chang-Beom;Yi, Seung-Jun;Chang, In-Soung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.11 no.3
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    • pp.795-801
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    • 2010
  • As the fabrication technology of LCDs (Liquid Crystal Displays) advances, the size of mother glass substrates is getting larger, and the fabrication process is becoming finer. Accordingly, the importance of cleaning processes grows in the fabrication process of LCDs. In this study, we have compared and evaluated the particle removal efficiency for three different methods of physical cleaning, which are brush, bubble jet, and aqua/air cleaning. Using the seventh generation glass substrate, the particle removal efficiency has been investigated by changing operation conditions such as a flow rate of deionized water, pressure, contact depth between a brush bristle and a glass substrate, and so forth. In the case of brush cleaning, the cleaning efficiency barely changes after a critical point when the contact depth is varied. While the cleaning efficiency of bubble jet cleaning is almost independent of pressure, that of aqua/air cleaning is affected by pressure up to a critical point, but is not changed after it. We note the brush cleaning is the most effective among the three cleaning methods under our experimental conditions.

Growth characteristics and productivity of oyster mushroom with the addition of Artemisia annua (개똥쑥 첨가에 따른 느타리의 생육 특성 및 수량성)

  • Lee, Chan-Jung;Lee, Jung-Hoon;Min, Gyeong-Jin;Park, Hye-sung;Lee, Eun-ji
    • Journal of Mushroom
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    • v.18 no.2
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    • pp.174-177
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    • 2020
  • This study sought to determine the optimal mixing ratio of Korean cultivated Artemisia annua for production of functional oyster mushrooms. After 23 days of cultivation, mycelial growth was 12.7 cm in medium supplemented with 5% A. annua and 12.5 cm in control. Mycelial growth progressively slowed with the addition of A. annua, with barely any growth (2.1 cm) in the presence of 70% A. annua. Mycelial density was high density without significant difference between treatments. The pileus diameter was greater in the presence of A. annua than in the control, but the pileus thickness was only slightly higher compared to the control. The stipes thickness was greatest for 15% A. annua, and the length of stipes was longest at 10% A. annua, but was lower than the value of the control. The L value of the fruiting zone was highest 10% firewood, and the L value of freshwater was highest at 5% A. annua. The fruiting body yield was highest to (122 g/850 ml) in medium supplemented with 5% A. annua but markedly decreased at higher levels of A. annua.

Virus-Resistance Analysis in Transgenic Tobacco Expressing Coat Protein Gene of Cucumber Mosaic Virus (오이모자이크바이러스 외피단백질유전자 발현 담배의 바이러스 저항성 분석)

  • 손성한;김경환;박종석;황덕주;한장호;이광웅;황영수
    • Korean Journal of Plant Tissue Culture
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    • v.24 no.3
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    • pp.153-160
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    • 1997
  • Cucumber mosaic virus (CMV) leads to a cause of poor crop productivity and quality. To solve this problem, we attempted to develop a virus-resistance tobacco plants by using viral coat protein (CP) gene. Transgenic tobacco plants expressing CMV CP gene were analysed by the resistance upon CMV infection. The virus-resistance was measured in $\textrm{T}_{1}$, generation by the inhibition of plant growth and the expression of the mosaic symptoms infected with CMV. The transgenic lines were divided into four groups: highly resistant, resistant, moderate and susceptible based on their growth and symptom severity. Out of 39 transgenic lines, 16 lines showed significant virus-resistance. And of resistant lines, 2 lines were designated highly resistant based on the facts that they achieved similar plant height to that of non-infected tobacco plants and showed lower disease symptom than that of other lines. The steady state level of CP RNA and coat protein level were measured by northern blot and immunoblot analysis. The CP RNA was highly accumulated in most resistant and moderate lines but barely detected in susceptible lines. The coat protein was detected in most lines regardless of their resistance to CMV. from this result, virus-resistance appeared to correlate more with CP RNA level than the level of coat protein. However, in two highly resistant lines, CP RNA level was unexpectedly low. This unexpected phenomenon need to be further investigated.

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