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강원도 화천군 수달(Lutra lutra) 서식지의 식생 구조
서형수 ( Hyung Soo Seo ),신영섭 ( Young Seob Shin ),이경은 ( Kyung Eun Lee ),김윤미 ( Yoon Mi Kim ),전미나 ( Mina Jeon ),남택우 ( Taek Woo Nam ),한성용 ( Sung Yong Han ),정연숙 ( Yeonsook Choung ) 한국하천호수학회 2014 생태와 환경 Vol.47 No.special
In order to determine whether vegetation would be one of the factors for the selection of otter home range, vegetation structure and other potential factors were studied in Hwacheon, Korea. Thirteen sites, otter’s activity found and not found, were investigated in North Han River and connected tributary streams of Hwacheon-gun. Three types of vegetation were classified by cluster analysis, which is short grass, tall grass and shrub type. Vegetation zone of each channel is composed of either one type, or mosaic of tall grass and shrub type. Short grass type is common in Lake Paro and upper North Han-river where water level is highly variable throughout a year. Therefore, annual species such as Persicaria nodosa, Fimbristylis dichotomam and Chenopodium ficifolium are the most dominant. Shrub type is common at the downstream sites of Jichon stream and along mainstream of North Han River down Lake Paro. A shrub species, Salix koreensis, is the most common. Tall grass type is dominant occupying the most vegetation zone of the tributary channels. Phragmites japonica is absolutely dominant. Due to its dense cover, a few plant species are co-existed. Otter activity was found in all three vegetation types and no marked activity was found at some sites of tall grass type. There is no difference in species composition and physiognomy between tall grass sites with and without otter activity, while it shows significant difference in fish availability between two groups. Overall we found that home range of otters in the region is along the mainstream and downstream of tributary streams with high fish availability in all vegetation types and in various human activity levels.
혈압점(血壓點)에 윤제(潤劑)의 주입이 고혈압에 미치는 영향
위종성,한재섭,박희수,박재영,Owi, Jong-Sung,Han, Jai-Seop,Park, Hee-Soo,Park, Jai-Young 대한약침학회 2002 Journal of pharmacopuncture Vol.5 No.1
Objective: This study was designed to evaluate the possibility of Hypertension by moistening Herbal-acupuncture at Blood Pressure Point(HN136). Methods: We reviewed 14 patients of Hypertension. They were hospitalized at oriental medical hospital of Sang-Ji university for 2002. 1. 2. - 2002. 5. 2. First, we divided into two groups; Group Ⅰ was administrated by moistening Herbal-acupuncture at Blood Pressure Point(HN136), and was not given any western medicine about Hypertension during the period of experiment. Group Ⅱ was administrated by moistening Herbal-acupuncture at Blood Pressure Point(HN136), and given western medicine about Hypertension during the period of experiment. we observed the change of systolic and diastolic for 2 weeks, and compared Group Ⅰ with Group Ⅱ . Results: The results obtained as follows: 1. The figure of systolic in Group Ⅰ was decreased, but there was no signification. There was a significant decrease in Group Ⅱ (p<0.05) 2. The figure of diastolic in Group Ⅰ was decreased, but there was no signification. There was a significant decrease in Group Ⅱ (p<0.05) 3. Group Ⅱ was more effective than Group Ⅰ in the results. Conclusion: The results suggest that moistening Herbal-acupuncture at Blood Pressure Point(HN136) was effective treatment of Hypertension. So further research is needed continuously.
최도영,이재동,백용현,이송실,유명철,한정수,양형인,박상도,유미현,박은경,박동석,Choi, Do-young,Lee, Jae-dong,Back, Yong-hyeon,Lee, Song-shil,Yoo, Myung-chul,Han, Chung-soo,Yang, Hyung-in,Park, Sang-do,Ryu, Mi-hyun,Park, Eun-kyung,Park, 대한침구의학회 2004 대한침구의학회지 Vol.21 No.4
Objective : Rheumatoid arthritis is an autoimmune disease that pathogenesis is not fully understood and one of the most intractable musculoskeletal diseases. The concern in the immunopathogenesis of rheumatoid arthritis has been increased since 1980's and many immunotherapeutic agents including disease-modifying antirheumatic drugs (DMARDs) were developed and became the mainstay of treatment of rheumatoid arthritis. However, the cure of the disease has hardly been achieved. In oriental medicine, rheumatoid arthritis is related to Bi-Zheng(痺證), that presents pain, swelling, andlor loss of joint function as major clinical manifestations, and also known to be deeply involved in suppression of immune function related to weakness of Jung-Ki(正氣). The herbal medicine, empirically used, could be a potential resource of development of new immunotherapeutic agents for rheumatoid arthritis. Methods : We developed a search strategy using terms to include "rheumatoid arthritis and herbal medicine" combined with "Chinese medicine" and/or "Oriental medicine". The search was focused on experimental studies of herbal medicine (January 1999 to May 2004), which is known to have effects on immune function of patients with rheumatoid arthritis. Computerized search used Internet databases including KISS and RISS4U (Korea), CNKI (China), MOMJ (Main Oriental Medicine Journal, Japan), and PubMed. The articles were selected from journals of universities or major research institutes. Results : The literature search for experimental studies on effects of herbal medicine on immunity of rheumatoid arthritis retrieved a total of 21 articles (Korea; 8, China ; 12, Japan ; 1). Of 21 articles, 10 were related to single-drug formula, 2 to drug interaction, and 9 to multi-drug formula. Single-drug formula was mainly used for aqua-acupuncture and researches on active components. Studies of drug interaction emphasized harmony of Ki-Hyul(氣血) and balance of Han-Yeul(寒熱). Multi-drug regimen was mainly found among formulas for Bo-Ki-Hyul(補氣血) and Bo-Sin(補腎). Conclusion : Studies on rheumatoid arthritis were performed both in vitro and in vivo in vitro study, LPS-stimulated splenocytes and synoviocytes were treated with herbal medicine, resulting in proliferation and activation of immune cells and suppression of cytokine activities in vivo study CIA animal model demonstrated that herbal medicine decreased antibody production and improved function of immune cells. In cellular and molecular study herbal medicine showed profound effects on the level of mRNA expression of certain cytokines related to immune function. This study revealed that herbal medicine has significant immune modulatory action and could be used for recovery of immune dysfunction of rheumatoid arthritis patients.
Environmental Management in Industry
Han, Sang Wook,Kim, Ik Soo,Terence P. CURRAN 한국환경정책학회 1995 環境政策 Vol.3 No.1
환경문제를 야기시키는 원인은 인간 그 자체에 있으며, 경제주체별로는 개인, 기업, 정부로 볼 수 있다. 시시각각 변화하고 강화되여가는 국제환경질서에 대처하기 위해서는 기업과 정부가 협조적인 관계를 유지하면서 각각의 역할을 하여야하는 바, 기업은 사회공헌책임주의에 입각하여 환경친화책인 기업경영을 도입, 실천해야 하며, 정부는 이를 지원, 촉진하기 위한 정책을 펼쳐야 할 것이다. 이 논문은 지구차원에서의 환경문제, 미국과 한국의 최근 환경정책 그리고 기업에서의 환경경영도입의 중요성과 환경경영이 모든 조직기능에서 통합 고려되어야 하는 필요성올 논의하였으며, 기업의 환경경영을 위한 환경성과지표, 환경심사, 전과정분석 등의 요소들을 검토하였다. 끝으로 3M, Body Shop, Baxter International 둥 3개 기업에 있어서의 환경경영의 사례를 동해 환경경영에 의한 기업이익을 엿볼 수 있었다.
Vasoconstriction Potency Induced by Aminoamide Local Anesthetics Correlates with Lipid Solubility
Sung, Hui-Jin,Ok, Seong-Ho,Sohn, Jin-Young,Son, Yong Hyeok,Kim, Jun Kyu,Lee, Soo Hee,Han, Jeong Yeol,Lim, Dong Hoon,Shin, Il-Woo,Lee, Heon-Keun,Chung, Young-Kyun,Choi, Mun-Jeoung,Sohn, Ju-Tae Hindawi Publishing Corporation 2012 Journal of biomedicine & biotechnology Vol.2012 No.-
<P>Aminoamide local anesthetics induce vasoconstriction <I>in vivo</I> and <I>in vitro</I>. The goals of this <I>in vitro</I> study were to investigate the potency of local anesthetic-induced vasoconstriction and to identify the physicochemical property (octanol/buffer partition coefficient, pKa, molecular weight, or potency) of local anesthetics that determines their potency in inducing isolated rat aortic ring contraction. Cumulative concentration-response curves to local anesthetics (levobupivacaine, ropivacaine, lidocaine, and mepivacaine) were obtained from isolated rat aorta. Regression analyses were performed to determine the relationship between the reported physicochemical properties of local anesthetics and the local anesthetic concentration that produced 50% (ED<SUB>50</SUB>) of the local anesthetic-induced maximum vasoconstriction. We determined the order of potency (ED<SUB>50</SUB>) of vasoconstriction among local anesthetics to be levobupivacaine > ropivacaine > lidocaine > mepivacaine. The relative importance of the independent variables that affect the vasoconstriction potency is octanol/buffer partition coefficient > potency > pKa > molecular weight. The ED<SUB>50</SUB> in endothelium-denuded aorta negatively correlated with the octanol/buffer partition coefficient of local anesthetics (<I>r</I><SUP>2</SUP> = 0.9563; <I>P</I> < 0.001). The potency of the vasoconstriction in the endothelium-denuded aorta induced by local anesthetics is determined primarily by lipid solubility and, in part, by other physicochemical properties including potency and pKa.</P>
Sang Mi Han,Kwang Gill Lee,Soon Ok Woo,In Pyo Hong,Yong Soo Choi,Hyung Joo Yoon,Sang Hoon Han 한국양봉학회 2012 韓國養蜂學會誌 Vol.27 No.1
A liquid chromatography method was developed for the determination of melittin content in purified bee venom as a traditional medicine possessing specific biological activity. Here, we investigated the possibility of using recombinant melittin instead of melittin isolated from honeybee venom as melittin standard. This result demonstrates that recombinant melittin is a suitable alternative as melittin standard to melittin isolated from honeybee venom. Thus, recombinant melittin is a cheap and sensitive alternative and can be applied to the measurement of melittin content in honeybee venom.
Han, Hye Kyung,An, Hyungmi,Shin, Kwang-Hee,Shin, Donghoon,Lee, Sue Hyun,Kim, Ju Han,Cho, Sang-Heon,Kang, Hye-Ryun,Jang, In-Jin,Yu, Kyung-Sang,Lim, Kyoung Soo by Lippincott Williams Wilkins 2014 Therapeutic drug monitoring Vol.36 No.5
BACKGROUND:: High doses of vancomycin increase the risk of nephrotoxicity, but the quantitative relationship between vancomycin exposure and nephrotoxicity is still controversial. This study evaluated the relationship between vancomycin trough concentration and nephrotoxicity, and risk factors for nephrotoxicity in patients undergoing therapeutic drug monitoring. METHODS:: A total of 1269 cases from patients who underwent therapeutic drug monitoring were collected from 2006 to 2010. Receiver operating characteristic curve analysis was used to evaluate the relationship between trough concentration and the incidence of nephrotoxicity. Logistic regression using the generalized Least Absolute Shrinkage and Selection Operator (lasso) method was used to evaluate possible risk factors for nephrotoxicity. The data were divided into high/low-concentration groups by the cutoff value obtained from the receiver operating characteristic curve, and additional logistic regression using the generalized lasso method was performed for each group. RESULTS:: The cutoff value of the vancomycin trough concentration was 12.1 mg/L. Patients with high concentrations (>12.1 mg/L) were more likely to develop nephrotoxicity (odds ratio = 16.0, 95% confidence interval, 8.2–31.1). The vancomycin trough concentration was the only significant risk factor for nephrotoxicity identified using the generalized lasso (P < 0.001). In contrast, no factor was associated with nephrotoxicity in the low-concentration group. CONCLUSIONS:: Vancomycin trough concentrations over 12.1 mg/L were associated with an increased risk of nephrotoxicity. This is lower than the known threshold. Trough vancomycin concentration over the threshold was the only risk factor of nephrotoxicity among demographic factors, dosing regimen, and other clinical conditions in this study. It is suggested that vancomycin trough concentrations greater than 12.1 mg/L require close monitoring for nephrotoxicity.
Overview of Conductor Production for ITER Toroidal Field Magnet in Korea
Soo-Hyeon Park,Soun Pil Kwon,Won Woo Park,Heekyung Choi,Young Jae Ma,Young Ho Seo,Ki Hong Sim,Pyeong Yeol Park,Jun-Seg Lee,Il-Young Han,Sung Chan Kang,Dong Hee Lee,Turtu, S.,Di Zenobio, A.,Quagliata, IEEE 2014 IEEE transactions on applied superconductivity Vol.24 No.3
<P>The ITER toroidal field (TF) conductor is made up of superconducting Nb<SUB>3</SUB>Sn and copper strands assembled into a multistage, rope-type cable inserted into a conduit of butt-welded stainless steel jacket sections. For the ITER Project, the Korean Domestic Agency (KODA) took the responsibility of the procurement of 27 superconducting conductors for the ITER TF magnets. After concluding the Procurement Arrangement (PA) with the ITER International Organization in May 2008, KODA has been implementing the PA through four major industrial contracts: (1) Nb<SUB>3</SUB>Sn strand, (2) cable, (3) stainless steel jacket sections, and (4) jacketing. Prior to the production of conductors required for the TF coils, one 760-m-long copper dummy conductor and one 100-m-long superconducting conductor were fabricated for manufacturing process qualification. As of June 2013, 16 TF conductors were successfully manufactured. The full-size conductor performance tests in the SULTAN facility yielded very high performance. This article describes the technical requirements of the TF conductor and how KODA has been manufacturing the conductors with a high-level quality assurance/quality control system. It also presents the results of acceptance tests, including those of the SULTAN test.</P>