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전체 선택해제
총 237건 검색
본문검색 결과만 보기
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PERFORMANCE CHARACTERISTICS OF A PROTON EXCHANGE MEMBRANE FUEL CELL(PEMFC) WITH AN INTERDIGITATED FLOW CHANNEL
Lee. P.H., Cho. S.A., Han. S.S., Hwang. S.S. 한국자동차공학회 International journal of automotive technology 9 Pages
한국자동차공학회 International journal of automotive technology 2007, Vol.8 No.6 761-769 (9 pages)
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Hydraulic Model Experiment on the Circulation in Sagami Bay, Japan (III) -The Time-Varying States of the Flow Pattern and Water Exchange in Barotropic Rotating Model-
Choo. Hyo-Sang, Sugimoto. Takasige 한국수산학회 Journal of fisheries science and technology 9 Pages
한국수산학회 Journal of fisheries science and technology 1998, Vol.1 No.2 260-268 (9 pages)
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Visualization of liquid water movement on the micro sub-channels of flow paths in a proton exchange membrane fuel cell cathode separator t
Lee. Sang-hoon, Rhee. Dong-Ho, Pyen. Won-Hyeng, Cho. Hyung-Hee 대한기계학회 Journal of mechanical science and technology 5 Pages
대한기계학회 Journal of mechanical science and technology 2011, Vol.25 No.4 957-961 (5 pages)
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Role of Na+Ca2+ Exchange in the Control of Contractility in Rabbit Basilar Arterial Smooth Muscle
Kim Eui-Yong, Han Jin 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 2호 6 159-168 (10 pages)
the extracellular Na+ concentration. The relaxation rate from caffeine-induced contraction was dependent on the extracellular Na+ concentration (0 mM, 140 mM). From the above results, it could be suggested that Na+/Ca2+ exchange can move Ca2+ either into or out of rabbit basilar arterial smooth muscle. Ca2+ entry or extrusion is dependent upon the Na+ electrochemical gradient. Na+/Ca2+ exchange plays a significant role in the regulation of contractility in rabbit basilar arterial smooth muscle.... -
Contribution of Bulk Flow to Transport Mechanisms of the Membranes Surrounding Amniotic Fluid in the Rabbit
Lim, Young-Cheol, Lee, Sang-Jin, Sung, Ho-Kyung 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 1호 8 79-90 (12 pages)
is a net efflux of amniotic fluid by osmotic bulk flow, resulting in elevation of Na+ concentration in hypotonic isovolumetric condition. 2) In hypervolumetric conditions, there is a massive efflux of amniotic fluid or solvent drag through the surrounding membranes by fiItrative bulk flow, where the rate of Na+ efflux has a linear relationship with that of water efflux. This is assumed to be carried out through enlarged and newly opened intercellular spaces resulting from increased intraamniotic... -
A Study on the Na+/Ca2+ Exchange Mechanism in the Smooth Muscle of Guinea-pig Stomach
Kim, Eui-Yong, Han, Jin, Kim, Ki-Whan 대한생리학회 대한생리학회지 14 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 1호 6 55-68 (14 pages)
of Na+/Ca2+ exchange mechanism. All experiments were performed in tris buffered Tyrode solution which was aerated with 100% O2 and kept at 35℃. The treatment of 10-5 ouabain was performed to induce intracellular Na+ loading prior to the start of experiment. The results were as follows: 1. Na+-free Tyrode or high Ca2+-Tyrode solution hyperpolarized the membrane potential and induced contracture. The time course of contracture was similar to that of change in membrane potential. 2. The degree of... -
Need Assessments for Designing APEC Edutainment Exchange Program (AEEP) in Sakha
Vasily Maximov, Kim Young-hwan, Matilda A. Kruse, Maria Maximova, Kim Sang-mi 부산대학교 교육발전연구소 교육혁신연구 18 Pages
부산대학교 교육발전연구소 교육혁신연구 2014, 제 24권 제 2호 8 163-180 (18 pages)
The purpose of this study is to assess the need for APEC Edutainment Exchange Program(AEEP) and current status of educational environment of Sakha in Russia in order to design AEEP with Korea. To this end, based on literature review, this study conducted a field research in Sakha visiting universities, schools, camp sites and various sits for experiential learning for students and did a survey and interviews targeting the local teaches and education experts. The results are as follows. First,... -
Numerical Analysis of Flow Pattern by Outflow Gates with Manifold Channel
김남형, 이창림, 구본수, 송만순, Kim. Nam-Hyeong, Lee. Chang-Lym, Ku. Bon-Soo, Song. Man-Soon 한국해안해양공학회 한국해안·해양공학회논문집 7 Pages
한국해안해양공학회 한국해안·해양공학회논문집 2011, Vol.23 No.1 43-49 (7 pages)
최근 친환경항만(Eco-port)을 건설하려는 노력과 쾌적한 워터프론트 개발에 관한 관심이 고조되면서, 항만의 방파제를 중심으로 수질개선을 위한 다양한 연구가 진행되고 있다. 이러한 항 내의 수질개선을 위한 연구로서 최근 해수교환방파제가 주목받고 있지만, 여전히 항 내 안쪽의 영역에서는 해수교환방파제로부터 유입된 해수가 도달하지 못하여 해수의 순환이 잘 안 되는 단점을 가지고 있다. 본 연구에서는 이러한 해수교환방파제의 단점을 보완하고자, 다기수로라는 새로운 개념의 해수교환방파제를 도입하여, 항 내 안쪽... -
임상적 징후와 정규 교환에 의한 말초정맥관 교환이 정맥염과 혈류감염 발생에 미치는 영향
윤지선, 김은옥, 서유선, 고은아, 이수열, 장주희, 김한나, 김연희 한국근거기반간호학회 근거와 간호 10 Pages
한국근거기반간호학회 근거와 간호 2016, 제 4권 제 1호 4 23-32 (10 pages)
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Comparison of the effects of different-sized airways in inspiratory trainers on maximal inspiratory pressure and rating of perceived exertion scale in healthy young people
Young-In Hwang, Ki-Song Kim 물리치료재활과학회 Physical Therapy Rehabilitation Science 5 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2018, 제 7권 제 1호 4 18-22 (5 pages)
Objective: This study aimed to investigate the effect of different-sized airways of the inspiratory muscle trainer (IMT) on maximal inspiratory pressure (MIP) and the rating of perceived exertion, as measured by the modified Borg scale (m-Borg). Design: Cross-sectional study. Methods: Twenty healthy subjects (10 men, 10 women) volunteered for the study. The spirometry was used to measure MIP. The trial order of the three spirometry conditions was chosen randomly. After measuring the MIP and... -
모듈화된 가상의과대학 과정 개발
권형규(Hyungkyu Kwon) 한국의학교육학회 Korean Journal of Medical Education 11 Pages
한국의학교육학회 Korean Journal of Medical Education 2004, 제 16권 제 2호 8 195-205 (11 pages)
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Double filtration plasmapheresis in the treatment of hyperproteinemia in dogs affected by Leishmania infantum
Francesca Perondi, Claudio Brovida, Gianila Ceccherini, Grazia Guidi, Ilaria Lippi 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 18 472-476 (5 pages)
Three dogs were evaluated for severe hyperproteinemia and hyperglobulinemia secondary to Leishmania infantum. Double filtration plasmapheresis (DFPP) was performed in two dogs at days 1, 2, and 6 after presentation. The third dog received DFPP at days 1 and 3 after presentation and eleven hemodialysis treatments. Significant reduction in serum total protein (p ＜ 0.0001), alpha-1 (p = 0.023), alpha-2 (p = 0.018), gamma globulins (p = 0.0105), and a significant increase in albumin/globulin ratio... -
Comparison of the effects of isoflurane versus propofolremifentanil anesthesia on oxygen delivery during thoracoscopic lung lobectomy with one-lung ventilation in dogs
Jiyoung Park, Hae-Beom Lee, Seong Mok Jeong 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 12 426-433 (8 pages)
This study compared effects of isoflurane inhalation (ISO) and propofol-remifentanil combined total intravenous anesthesia (TIVA) on oxygenation during thoracoscopic lung lobectomy with 30-min one-lung ventilation (1LV). Thoracoscopic right middle lung lobectomy was performed in ten dogs divided into ISO and TIVA groups, and cardiopulmonary parameters were measured with blood gas analysis. Throughout the study, isoflurane was inhaled up to 1.5%, and the infusion rates of propofol and... -
Piglet colibacillosis diagnosis based on multiplex polymerase chain reaction and immunohistochemistry of paraffin-embedded tissues
C?ntia De Lorenzo, Caroline P. de Andrade, Ver?nica S. L. Machado, Matheus V. Bianchi, Veronica M. Rolim, Raquel A. S. Cruz, Dav 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 5 27-33 (7 pages)
Enterotoxigenic Escherichia coli (ETEC) causes diarrhea in pigs, referred to as colibacillosis. The aim of this study was to optimize multiplex polymerase chain reaction (PCR) and immunohistochemistry (IHC) analyses of paraffin-embedded material to detect pathogenic E. coli strains causing colibacillosis in pigs. Multiplex PCR was optimized for fimbriae (F18, F4, F6, F5, and F41) and toxins (types A and B heat-stable toxins [STaP and STb], heat-labile toxin [LT], and type 2 Shiga toxin [STx2e]),... -
Claudin-1, -2, -4, and -5: comparison of expression levels and distribution in equine tissues
Bonn Lee, Hee Young Kang, Dong Oh Lee, Changhwan Ahn, Eui-Bae Jeung 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 2 445-451 (7 pages)
Claudins, which are known as transmembrane proteins play an essential role in tight junctions (TJs) to form physical barriers and regulate paracellular transportation. To understand equine diseases, it is helpful to measure the tissue-specific expression of TJs in horses. Major equine diseases such as colic and West Nile cause damage to TJs. In this study, the expression level and distribution of claudin-1, -2, -4, and -5 in eight tissues were assessed by Western blotting and... -
Cadmium induces apoptosis in primary rat osteoblasts through caspase and mitogen-activated protein kinase pathways
Hongyan Zhao, Wei Liu, Yi Wang, Nannan Dai, Jianhong Gu, Yan Yuan, Xuezhong Liu, Jianchun Bian, Zong-Ping Liu 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 3호 7 297-306 (10 pages)
Exposure to cadmium (Cd) induces apoptosis in osteoblasts (OBs); however, little information is available regarding the specific mechanisms of Cd-induced primary rat OB apoptosis. In this study, Cd reduced cell viability, damaged cell membranes and induced apoptosis in OBs. We observed decreased mitochondrial transmembrane potentials, ultrastructure collapse, enhanced caspase-3 activity, and increased concentrations of cleaved PARP, cleaved caspase-9 and cleaved caspase-3 following Cd treatment.... -
The effect of conglutinin on production of reactive oxygen species in bovine granulocytes
Marta Dec*, Andrzej Wernicki, Andrzej Puchalski, Renata Urban-Chmiel, Adam Wa?ko 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 1호 5 33-38 (6 pages)
Conglutinin is a high molecular-weight lectin originally detected in bovine serum. It belongs to the family of collectins that bind sugar residues in a Ca-dependent manner and are effector molecules in innate immunity. Conglutinin appears to play an important role in immune defense mechanisms, showing antiviral and antibacterial activities when tested in vivo and in vitro. The present study evaluated the effect of conglutinin on the respiratory bursts in bovine peripheral phagocytes. Using... -
64-Channel multi-detector row CT angiographic evaluation of the micropigs for potential living donor lung transplantation
Woong Yoon, Jung Min Ryu, Min Young Lee, Yong Ju Moon, Sang Hun Lee, Jae Hong Park, Seung Pil Yun, Min Woo Jang, Sung Su Park, H 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 3호 2 185-189 (5 pages)
Micropigs are the most likely source animals for xenotransplantation. However, an appropriate method for evaluating the lung of micropigs had not been established. Therefore, this study was performed to evaluate the feasibility of 64-channel multi-detector row computed tomography (MDCT) to measure the diameter of the pulmonary arteries and the lung volume in micropigs. The mean diameters of the trachea, and left and right bronchi were 1.6 ± 0.17, 1.18 ± 0.14, and 1.1 ± 0.11 cm,... -
Development of a monoclonal antibody-based co-agglutination test to detect enterotoxigenic Escherichia coli isolated from diarrheic neonatal calves
Brajesh C. Varshney, N.M. Ponnanna, Pranati A. Sarkar, Pragna Rehman, Jigar H. Shah 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 1호 9 57-64 (8 pages)
to K99 antigen and electron microscopy. The K99 antigen from a selected field strain (SAR-14) was heat-extracted and fractionated on a Sepharose CL-4B column. Further purification was carried out by sodium deoxycholate treatment and/or ion-exchange chromatography. Monoclonal antibodies to purified K99 antigen were produced by the hybridoma technique, and a specific clone, NEK99-5.6.12, was selected for propagation in tissue culture. The antibodies, thus obtained, were affinity-purified,... -
Biological Rhythm in Livestock
Piccione Giuseppe and Caola Giovanni 대한수의학회 Journal of Veterinary Science 13 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 1 145-157 (13 pages)
The animal time structure is a basic fact of life, no matter if one wants to study it or not. The time-dependent, mostly rhythmic, and thus to a certain degree predictable, variations of biochemical and physiological functions and of sensitivity and resistance to many environmental agents are often quite large and offer not only new insight into animal physiology and pathology but also diagnostic possibilities and therapeutic advantages. Chronobiology, chronophysiology and its subspecialities,... -
Hens immunized with live attenuated Salmonella strains expressing virulence-associated genes in avian pathogenic Escherichia coli passively transfer maternal antibodies to chicks
Gayeon Won , John Hwa Lee 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 10 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2016, 제 56권 제 3호 6 167-176 (10 pages)
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Characterization of Lactobacillus reuteri BCLR-42 and Lactobacillus plantarum BCLP-51 as novel dog probiotics with innate immune enhancing properties
Eun Jin Kim , Yeong Im Kang , Tae Il Bang , Myoung Han Lee , Sang Won Lee , In Soo Choi , Chang Seon Song , Joong Bok Le 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 10 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2016, 제 56권 제 2호 3 75-84 (10 pages)
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한반도 출토 흑요석의 원산지를 알아보기 위해 38개 유적에서 출토된 204점을 분석하였다. 구석기시대의 5개 유적과 신석기시대의 33개 유적의 출토품이 대상이다. 흑요석 분석은 유도결합 플라즈마 질량분석기(LA-ICP-MS)를 사용하였다. 분석결과는 스펙트럼 형상분석법(SSA)을 이용하여 흑요석 산지를 검토하였다. 본 연구에서는 선사시대의 유적에서 출토된 흑요석 204점을 분석하여, 98% 이상의 산지를 규명하였다. 기존 연구에서는 백두산 흑요석은 3종류만이 존재하는 것으로 보고되었다. 이번 연구에서는 새로운 백두산 계열인...
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Case Study on the Practices of Transversal Competence in Korean Music Education
장근주(Gunjoo Jang) 한국음악교육공학회 음악교육공학 23 Pages
한국음악교육공학회 음악교육공학 2018, 제 35호 10 173-195 (23 pages)
본 연구의 목적은 초등학교와 중-고등 학교의 음악 수업에서 인지적 영역 외에 태도와 가치를 포함하고 있는 횡단적 역량의 반영 여부를 조사하는 사례 연구이다. 연구 대상인 4개 학교의 수업을 관찰하고 심층 면담을 분석한 결과는 다음과 같다. 첫째, 대부분의 학교는 행복하고 평화로운 환경을 조성하여 학생들의 창의력과 미래 글로벌 리더 및 인성 개발에 중점을 두고 있었다. 둘째, 학생들은 다양한 그룹 활동을 통해 자신의 문제를 스스로 해결하고, 인터넷 또는 기타 ICT 관련 자료를 사용하여 정보를 수집하며, 토론과 평가를... -
Lamotrigine, an antiepileptic drug, inhibits 5-HT3 receptor currents in NCB-20 neuroblastoma cells
KiJungKim, SeungHyunJeun, Ki-WugSung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 4 169-177 (9 pages)
Lamotrigine is an antiepileptic drug widely used to treat epileptic seizures. Using whole-cell voltage clamp recordings in combination with a fast drug application approach, we investigated the effects of lamotrigine on 5-hydroxytryptamine (5-HT)3 receptors in NCB-20 neuroblastoma cells. Coapplication of lamotrigine (1~300 μM) resulted in a concentration-dependent reduction in peak amplitude of currents induced by 3 μM of 5-HT for an IC50 value of 28.2±3.6 μM with a Hill coefficient of... -
Ahcyl2 upregulates NBCe1-B via multiple serine residues of the PEST domain-mediated association
PilWhanPark, JeongYealAhn, DongkiYang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.4 13 433-440 (8 pages)
Inositol-1,4,5-triphosphate [IP3] receptors binding protein released with IP3 (IRBIT) was previously reported as an activator of NBCe1-B. Recent studies have characterized IRBIT homologue S-Adenosylhomocysteine hydrolase-like 2 (AHCYL2). AHCYL2 is highly homologous to IRBIT (88%) and heteromerizes with IRBIT. The two important domains in the N-terminus of AHCYL2 are a PEST domain and a coiled-coil domain which are highly comparable to those in IRBIT. Therefore, in this study, we tried to... -
Brief low [Mg2+]o-induced Ca2+ spikes inhibit subsequent prolonged exposure-induced excitotoxicity in cultured rat hippocampal neurons
HeeJungKim, JiSeonYang, ShinHeeYoon 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 13 101-109 (9 pages)
Reducing [Mg2+]o to 0.1 mM can evoke repetitive [Ca2+]i spikes and seizure activity, which induces neuronal cell death in a process called excitotoxicity. We examined the issue of whether cultured rat hippocampal neurons preconditioned by a brief exposure to 0.1 mM [Mg2+]o are rendered resistant to excitotoxicity induced by a subsequent prolonged exposure and whether Ca2+ spikes are involved in this process. Preconditioning by an exposure to 0.1 mM [Mg2+]o for 5 min inhibited significantly... -
Bis is Induced by Oxidative Stress via Activation of HSF1
HyungJaeYoo, Chang-NimIm, Dong-YeYoun, HyeHyeonYun, Jeong-HwaLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.5 8 403-409 (7 pages)
The Bis protein is known to be involved in a variety of cellular processes including apoptosis, migration, autophagy as well as protein quality control. Bis expression is induced in response to a number of types of stress, such as heat shock or a proteasome inhibitor via the activation of heat shock factor (HSF)1. We report herein that Bis expression is increased at the transcriptional level in HK-2 kidney tubular cells and A172 glioma cells by exposure to oxidative stress such as H2O2 treatment...
