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Unrecorded species of Korean metazoans discovered through the project of "Discovery of Korean Indigenous Species" (2006-2010)

  • Song, Ji-Hun;Han, Yeong-Deok;Lee, Won-Koo;Kim, Il-Hoi;Paik, Sang-Gyu;Lee, Jongrak;Soh, Ho Young;Lee, Wonchoel;Jung, Jongwoo;Kim, Sa Heung;Lee, Jun-Sang;Kim, Joo-Pil;Park, Taeseo;Yoo, Jung-Sun;Kil, Hyun-Jong;Nam, Eunjung;Min, Gi-Sik
    • Journal of Species Research
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    • v.6 no.spc
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    • pp.164-171
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    • 2017
  • A research project entitled "Discovery of Korean Indigenous Species" was launched in 2006, and has been carried on as a continuous project until now. The main purpose of this project is to find undiscovered species on the Korean peninsula and ultimately register these species in the "National List of Species of Korea". In this paper, we present 79 unrecorded species of the Korean metazoans. All species were obtained from the final reports of "Discovery of Korean Indigenous Species" which were performed during the first five years of the project, 2006 to 2010.

Isolation and Quantitative Analysis of Flavonoids with Peroxynitritescavenging Effect from the Young Leaves of Heracleum moellendorffii (어수리 어린 잎으로부터 Peroxynitrite 소거활성을 나타내는 플라보노이드 성분의 분리 및 함량분석)

  • Park, Hee-Juhn;Nugroho, Agung;Jung, Bo-Ram;Won, Yu-Hwa;Jung, Youn-Ju;Kim, Won-Bae;Choi, Jae-Sue
    • Korean Journal of Plant Resources
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    • v.23 no.5
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    • pp.393-398
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    • 2010
  • Naturally occurring substances which strongly scavenge peroxynitrite(ONOO-) are evaluated to be beneficial for cardiovascular, diabetic, hypercholesterolemic and obese disease. To search for bioactive substances with peroxynitritescavenging activity from the young leaves of Heracleum moellendorffii(Umbelliferae) used for a mountainous vegetable, the experiment on peroxynitrite-scavenging assay, phytochemical isolation and HPLC analysis were undertaken. Activity-guided fractionation led to the separation of astragalin and hyperoside which were identified by physicochemical and spectroscopic data. The $IC_{50}$ values of astragalin and hyperoside were shown as $5.80{\pm}0.62$ and $0.560{\pm}0.26\;{\mu}M$, respectively, in the assay. The HPLC analysis led to the quantitative determination of astragalin and hyperoside by $30.0{\pm}0.01$ and $17.0{\pm}0.02\;mg/g$ dried weight, respectively.

Development of Conditioning for Small Red Muscle Fish Using Kimchi Seasoning Ingredients and Organic acids 1. Chemical Changes during Conditioning in Conditioned Saury with Kimchi Seasoning and Organic acids (김치양념과 유기산을 이용한 소형 적색육어 조미숙성제품 개발 1. 꽁치 조미제품의 숙성 중 화학적 변화)

  • JEONG In-Hak;LIM Yeong-Seon
    • Korean Journal of Fisheries and Aquatic Sciences
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    • v.34 no.4
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    • pp.309-314
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    • 2001
  • In order to promote the consumption of small red muscle fish, such as saury, sardine, herring, etc., a new conditioning technique to soften backbone and small bones was investigated by using kimchi seasoning ingredients and organic acids. In the conditioning process, various chemical changes were examined during 60 days at 15 days intervals, The decrease of moisture content and the increase of salt concentration in seasoned fish meat were good correlated respectively. In the dry salt conditioning, the moisture content was more rapidly decreased than wet salt conditioning. The pH of fish meat during conditioning were more slowly decreased in dry salting than in wet salting. The VBN contents were suppressed under 30 mg/100 g in dry salt conditioning during 60 days at $5^{\circ}C$. The addition of rice bran in dry salting was effective on retarding lipid oxidation because the TBA value was most effectively retarded.

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Analysis of food availability and food security status in Nepal for forest resource conservation purpose

  • Panta, Menaka;Kim, Kye-Hyun;Neupane, Hari Sharma;Joshi, Chudamani
    • Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
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    • 2008.10a
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    • pp.153-161
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    • 2008
  • Agriculture and forest are basis for livelihood in Nepal while both sectors constitute around 40 percent of the national product and over two-thirds of the economically active population is dependent on agriculture. However, radical changes in land use, depletion in crops production and food availability are major threats due to loss of soil fertilityand severe environmental degradation. In this study, we used time series data from 1986/87 to 2005/06 about food crop production and population published by Government of Nepal, Ministry of Agriculture and Cooperatives and Central Bureau of Statistics. Descriptive statistics and ArcGIS were used to assess and map the food security status of Nepalese Terai based on the local food demand and supply system. Food supply to demand ratio(FSDR) was the main idea of assessment. Our results showed that out of 20 districts, only 8 districts were categorised under secured food districts whereas 5 districts were still under food unsecured situation. The analysis further revealed that 7 districts had faced food deficit more than 8-16 times during the last 20 year periods. Data further showed that there was surplus food supply relative to the requirements dictated by FSDR. However, the average FSDR was less than 1.2(less than 20% surplus) exploring fact that most of the districts were not producing sufficient food to cope up the food shock and after 1995 it was relatively stagnant. Our prediction reveals that food supply in Terai even in the future would remain at almost the same level as now, and there will not more than 16-17% surplus by 2021 considering medium vibrant population growth. The findings thus, indicate that Terai may not be a food secure region in the future, even though the region is considered as a food storage house of Nepal. In addition, this paper suggests ways to make future comprehensive case studies more widely comparable in Terai, Nepal.

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S100A12 and RAGE Expression in Human Bladder Transitional Cell Carcinoma: a Role for the Ligand/RAGE Axis in Tumor Progression?

  • Khorramdelazad, Hossein;Bagheri, Vahid;Hassanshahi, Gholamhossein;Karami, Hormoz;Moogooei, Mozhgan;Zeinali, Masoud;Abedinzadeh, Mehdi
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.7
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    • pp.2725-2729
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    • 2015
  • Background: Transitional cell carcinoma (TCC) and prostate cancer are the most frequent cancers in the male genitourinary tract. Measurement of biological biomarkers may facilitate clinical monitoring and aid early diagnosis of TCC. The aim of the present investigation was to detect the mRNA levels of S100A12 and RAGE (receptor for advanced glycation end products) in patients suffering from bladder TCC. Materials and Methods: To explore the involvement of S100A12 and RAGE genes, total RNA was harvested from cancer tissues and samples obtained from normal non-tumorized urothelium of the same patients. Quantitative PCR (qPCR) was subsequently employed to determine the mRNA levels of S100A12 and RAGE. Results: The results showed that mRNA expression of S100A12 and RAGE was significantly up-regulated in the cancer tissue. Conclusions: According to the results presented in the current study, mRNA expression of S100A12 and RAGE might be as a useful biomarker for TCC. Therefore, this ligand-receptor axis possibly plays important roles in the development of TCC and may serve either as an early diagnostic marker or as a key factor in monitoring of response to treatment. More research is required concerning inhibition of the S100A12-RAGE axis in different cancer models.

IL-1B (C+3954T) Gene Polymorphism and Susceptibility to Gastric Cancer in the Iranian Population

  • Ismaili, Ahmad;Yari, Kheirollah;Moradi, Mohammad-Taher;Sohrabi, Maryam;Kahrizi, Danial;Kazemi, Elham;Souri, Zahra
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.2
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    • pp.841-844
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    • 2015
  • Background: Gastric cancer as one of the most important diseases affecting health in all worldwide. Current studies have confirmed associations of cytokine gene polymorphisms with the risk of gastric cancer development. The current research aimed to assess the association of IL-1B+3954 genotypes with the risk of gastric cancer in the Iranian population. Materials and Methods: This case-control study covered 49 gastric cancer patients compared to 53 cancer free individuals as a control group. Genomic-DNA extraction was carried out from bioptic samples of patients and peripheral blood of healthy volunteers. Polymorphism of IL-1B +3954 genotypes were analysed with a polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Results: The frequencies of IL-1B +3954 A1A1, A1A2 and A2A2 genotypes in healthy individuals were 26.4, 66 and 7.6 %, respectively. However, in gastric cancer patients, A1A1, A1A2 and A2A2 with 4.1, 51 and 44.9% were observed (p<0.05). Conclusions: The findings of our results show a positive association between the IL-1B+3954 genotype distribution and the risk of gastric cancer disease in the Iranian population.

Urban Growth Analysis Through Satellite Image and Zonal Data (도시성장분석상 위상영상자료와 구역자료의 통합이용에 관한 연구)

  • Kim, Jae-Ik;Hwang, Kook-Woong;Chung, Hyun-Wook;Yeo, Chang-Hwan
    • Journal of the Korean Association of Geographic Information Studies
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    • v.7 no.3
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    • pp.1-12
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    • 2004
  • Nowadays, a satellite image is widely utilized in identifying and predicting urban spatial growth. It provides essential informations on horizontal expansion of urbanized areas. However, its usefulness becomes very limited in analyzing density of urban development. On the contrary, zonal data, typically census data, provides various density information such as population, number of houses, floor information within a given zone. The problem of the zonal data in analyzing urban growth is that the size of the zone is too big. The minimum administration unit, Dong, is too big to match the satellite images. This study tries to derive synergy effects by matching the merits of the two information sources-- image data and zonal data. For this purpose, basic statistical unit (census block size) is utilized as a zonal unit. By comparing the image and zonal data of 1985 and 2000 of Daegu metropolitan area, this study concludes that urban growth pattern is better explained when the two types of data are properly used.

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Taxonomic Revision of the Genus Hypomesus in Korea (한국산 빙어속 (Genus Hypomesus) 어류의 분류학적 재검토)

  • Youn, Chang-Ho;Kim, Ik-Soo;Lee, Wan-Ok
    • Korean Journal of Ichthyology
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    • v.11 no.2
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    • pp.149-154
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    • 1999
  • To use of the precise scientific name of the genus Hypomesus from Korea, taxonomic revison of the genus Hypomesus was studied based on the specimens collected at 11 sites of the reservoirs and estuaries from Korea. The most population of the Hypomesus nipponensis was taken the pneumatic duct that connected between the anterior part of swim bladder and stomach. The number of pyroric caeca of the specimens was zero to five. The number of chromatophore at isthmus was fifty to one hundred. And authors were confirmed with the membrane structure across the nasal cavity. Then, we think that the scientific name of the pond-smelt at Korea is Hypomesus nipponensis by these characters. The Yangyang population that have the sixty-two to sixty-three of vertebrae, was confirmed with H. japonicus.

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Temperature distribution in a full-scale steel framed building subject to a natural fire

  • Wald, Frantisek;Chladna, Magdalena;Moore, David;Santiago, Aldina;Lennon, Tom
    • Steel and Composite Structures
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    • v.6 no.2
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    • pp.159-182
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    • 2006
  • Current fire design codes for determining the temperature within the structural elements that form part of a complete building are based on isolated member tests subjected to the standard fire. However, the standard time-temperature response bears little relation to real fires and doesn't include the effects of differing ventilation conditions or the influence of the thermal properties of compartment linings. The degree to which temperature uniformity is present in real compartments is not addressed and direct flame impingement may also have an influence, which is not considered. It is clear that the complex thermal environmental that occurs within a real building subject to a natural fire can only be addressed using realistic full-scale tests. To study global structural and thermal behaviour, a research project was conducted on the eight storey steel frame building at the Building Research Establishment's Cardington laboratory. The fire compartment was 11 m long by 7 m wide. A fire load of $40kg/m^2$ was applied together with 100% of the permanent actions and variable permanent actions and 56% of live actions. This paper summarises the experimental programme and presents the time-temperature development in the fire compartment and in the main supporting structural elements. Comparisons are also made between the test results and the temperatures predicted by the structural fire Eurocodes.

Sustainable Project for Preserving a Living Environment in Tochio through Collaboration with Students and Inhabitants in Japan (일본 토치오 거주환경 보전을 위해 학생과 거주자의 협업을 통한 지속가능 프로젝트)

  • Nishimura, Shin-ya;Boda, Satoshi;Terada, Shinji;Sakurai, Noriko
    • Journal of the Korean housing association
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    • v.26 no.6
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    • pp.17-25
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    • 2015
  • Since 1997, Dr. Shin-ya Nishimura has been developing an actual town planning project named the "Gangi Project". Students, inhabitants and local professionals walk around Omotemachi, examine the characteristics of the environment and the inhabitants' way of life, discuss plans and designs for traditional wooden arcades called locally "gangi". Students and inhabitants build the gangi together every year. The purpose of this study is to clarify how an experimental project aiming to preserve a living environment obtains sustainability as an actual town planning exercise. The research hypothesizes that sustainable town planning should include strategies for financial autonomy, active participation of inhabitants, supports from local professionals, an acceptance of changing environments, and responsible construction. The project has been carried out as a part of actual town planning, and continues to create a daily living environment based on the recent economical and industrial situation of the town. By focusing on the influences of the project on the town and inhabitants, the study has revealed the possibility of an actual town planning with small budget, and importance of a collaborative relationship with various participants in order to foster a sense of responsibility regarding the construction. The project also highlights the implication that sustainable town planning creates not only a participatory system but also a collaborative one in which participants take responsibility for the issues involved in the construction process.