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데페록사민 전처치가 토끼 심근경색 크기의 감소에 미치는 효과
양관모,오동렬,박승현,박규남,이원재,김형국,황두영,최승필,채장성 대한응급의학회 1998 대한응급의학회지 Vol.9 No.4
Background: Reperfusion of ischemic myocardium has been postulated to result in a specific oxygen radical mediated tissue injury. Iron may liberate during ischemia and we hypothesized that administration of the iron chelator, deferoxamine during ischemia would result in improved recovery after postischemic reperfusion. Purpose: To test whether iron-catalyzed processes contribute to myocardial necrosis during ischemia and reperfusion, deferoxamine was administered to block iron catalyzed hydroxyl radical formation in rabbits. Methods: Eleven rabbits were divided into two groups : control group (n=5) and deferoxamine pretreatment group (n=6). The left circumflex coronay artery was ligated for 30 minutes and reperfused for 180 minutes. Area at risk (AR) was measured by non-stained area with methylene blue injection into left atrium after left circumflex coronary artery ligation. Infarct size was measured by weighing after triphenyltetrazolium chloride staining. Heart rate was measured using electrocardiographic recording and systemic blood pressure was monitored by pressure transducer connected to the catheter in the left ventricle. Results: 1. There was no significant difference of heart rate and blood pressure in deferoxamine pretreatment group compared with control group. 2. There was significant decrease of serum iron concentration after continuous infusion of deferoxamine compared with serum iron concentration before ligation of coronary artery(P<0.05). 3. There was no significant difference of area at risk between control and deferoxamine pretreatment group. 4. Area at necrosis to area at risk was significantly reduced in deferoxamine pretreatment group compared with control group(P<0.05). The results suggest that deferoxamine infusion prior to coronary artery occlusion has a significant benefit in reducing infarct size in this model.
鄭鎭澈,田璟秀,張圭寬,崔正鎬 圓光大學校大學院 1993 論文集 Vol.12 No.-
The big trees have been keeping the relation to human's living way in various aspects, environment protection, emotion creation and tree worshiping through which they believed to be safe, happy and prosperous, and also giving more recreational opportunity to provincial particularly. This study was carried out to analyse the status of designation and management of big tree in Iri-Iksan province, Chollabuk-Do. The result are summarized as follows. 1. It was appeared that at present Big trees in the investigated area were 78 location (7 families, 9 genera, 11 species) that was identified. Among them the species appearing most frequently were Zelkova serrata(25), Salix glandulosa (20), Gingko biloba(15) and Celtis japonica(8) in that order. The order hand, designation grade of big tree classified into six categories, that is 1 botanic natural monument, 5 Si-Kun tree, 3 Eup-Myon tree, 1 maeul tree, 53 Restraint tree ad 15 Non-Designation tree. 2. In designation of nurse tree, there are key needs that are professionals in field survey. We suggested the futher designation plan stressed the importance of the value of big tree. 3. Government have to increase of the forestry staff who take sole charge of the protection of big tree, and must reach managers the technique for effective management of big tree. 4. We have to make an budget of big tree management, establish a protective facilities, control of insets and disease on time, and treat and operate on the injured big tree. Thus government should be positively concerned, and more research would need to understand the critical factors affecting the big tree.
1. 06㎛ Nd : YAG Laser를 이용한 요추간판탈출증의 경피적 수핵감압술
이흥선,변박장,최순관,신원한,권귀향,이인수,이경석,김범태 순천향대학교 1994 논문집 Vol.17 No.4
The 1.06㎛ Neodymium-YAG Laser(800 micron hemisherical) is revealed a useful tool for percutaneous laser disc decompression(PLDD). Especially PLDD would be applied to the management of lumbar disc herniation with minimal intervention. Total irradiated energy to one level of disc space was bout 1000 to 2000 joules. We performed this method at 10 levels, in 7 cases of patients, consisting of 4 males and 3 females with an average age of 37.7 years. Five cases showed excellent and good results, were observed. In two cases, open surgery was required because of unsatisfactory results. The best results were obtained in the protrusion type of disc herniation. We have summarized some advantages of PLDD: a) safe and simple procedure in an outpatient setting, b) avoiding general anesthesia, late spinal instability, c) possibility of repetitive use.
학교체육 활성화 방안에 대한 연구(Ⅰ) : 강원대학교 교양체육 운영방법의 개선을 중심으로
이광재,문병용,노성규,박기동,홍관이,한상준,유옥재,엄기진,정청자,오수일,김윤래,박장평,부기원 江原大學校附設 體育科學硏究所 1986 江原大學校附設體育科學硏究所論文集 Vol.- No.11
Try to find a scheme for activation to College Physical Education, this Report informs the various kinds of Survey and process those were projected for improvement of management methods on Cultural Physical Education in Kang Weon National University. From experimentally carried out "Sports events Choosing System" not as usual be inforced "Total practical Skill System", Following Positive effects and sujestions were Presented; 1. "Sports events choosing system" gave birth to more students' interesting and more voluntary participation to the sports events they chose, and sports skill and instruction level was elevated due to charge of expert according to each sports events. This system would be managed continuously hereafter for it related to life sports. 2. This System needs to closed cooperations between College and Community, for the facilities of community are utilized by college. 3. To complete the plan for activation of college Physical Education, additionally, the successional study ; namely "autonomous extracurricular sports activity" should be excuted hereafter.
Chong Min Park,Kyu Kwan Jang 한국환경생태학회 2015 한국환경생태학회지 Vol.29 No.6
This study investigated the effects of rare-earth fertilizer on the shoot cuttings’ rooting of Vitex rotundifolia L. and Tamarix chinensis Lour. The shoot cutting test was carried in 2008 and the main results are summarized as follows. The rate of rooting and the average roots increased in both number and length when rare-earth fertilizer is treated in V. rotundifolia and T. chinensis in comparison to those of the untreated control plot. In particular, when rare-earth fertilizer is diluted with water 1/2500, the rooting outstandingly increases. This result is almost similar to the effect of the rooting stimulant, IAA. Although there is no differentiation in its rooting rate according to the density, the rooting of T. chinensis shows a 100 percent effect on in the entire treated plot but not in the untreated control plot, so it is usable as a rooting stimulant. As for shoot cuttings' rooting, depending on the time immersed in diluted solution of rare-earth fertilizer, both V. rotundifolia and T. chinensis showed relatively higher percentages in all treatment plot immersed for 60 minutes than for 10 minutes. In conclusion, considering the results of the rooting percentage and the average number and length of roots of V. rotundifolia and T. chinensis, the shoot cuttings' rooting appeared higher in percentage when they were immersed in the rooting stimulant for sixty minutes with a lower density than 1/2500. This result shows that rare-earth fertilizer can be utilized as an alterative for IAA rooting stimulants currently available in the market.
Jang, Yoon Kyung,Lee, Kyu Myung,Jung, Kwan-Young,Kang, Seung Kyu,Pagire, Suvarna H.,Lee, Jun Mi,Pagire, Haushabhau S.,Kim, Kwang Rok,Bae, Myung Ae,Lee, Hohjai,Rhee, Sang Dal,Ahn, Jin Hee Pergamon Press 2017 Bioorganic & medicinal chemistry letters Vol.27 No.16
<P><B>Abstract</B></P> <P>A series of <I>N</I>-methoxyamide derivatives was identified and evaluated as GPR119 agonists. Several <I>N</I>-methoxyamides with thienopyrimidine and pyridine scaffolds showed potent GPR119 agonistic activities. Among them, compound <B>9c</B> displayed good in vitro activity and potency. Moreover, compound <B>9c</B> lowered glucose excursion in mice in an oral glucose tolerance test and increased GLP-1 secretion in intestinal cells.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
식물사회학적 방법과 TWINSPAN 에 의한 강원도 신갈나무림과 분류에 관한 연구
장규관,송호경,김성덕 한국임학회 1997 한국산림과학회지 Vol.86 No.2
Employing the releve´ method of Muller-Dombois & Ellenberg and Braun-Blanquet, 100 plots were sampled in the Quercus mongolica community of Mt. Odae, Mt. Chumbong and Mt. Jungwang in Kangwon-do. To analyze the data, phytosociological method and TWINSPAN were used. 1. Quercus mongolica forests were recognized as Quercus mongolica-Acer pseudosieboldianum community group, and were classified into Quercus mongolica - Carpinus cordata community, Quercus mongolica Acer pseudosieboldianum typical community, Quercus mongolica -Lespedeza maximocoiczii community and Quercus mongolica - Abies nephrolepis community by phytosociological method. Quercus mongolica - Carpinus cordata community was subdivided into Acer mandshuricum subcommunity and typical subcommunity. 2. According to the classification of TWINSPAN, it was categorized into five groups, such as Quercus mongolica - Acer mandshuricum community, Quercus mongolica - Carpinus cordata community, Quercus mongolica -Acer pseudosieboldianum community, Quercus mongolica -Lindera obtusiloba community, and Quercus mongolica - Abies nephrolepis community. 3. Since the results of phytosociological community classification, which identify five groups of the community, were consistent with that of TWINSPAN, it proved that these two methods could be complement when one do a community classification.