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전체 선택해제
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Dimethyl Ether(DME) 연료의 분무 거동 및 미립화 특성
서현규, 박지홍, 이창식, Suh. Hyun-Kyu, Park. Ji-Hong, Lee. Chang-Sik 한국자동차공학회 한국자동차공학회논문집 8 Pages
한국자동차공학회 한국자동차공학회논문집 2007, Vol.15 No.5 30-37 (8 pages)
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커먼레일 분사장치를 이용한 Dimethyl Ether와 디젤연료의 연소특성
최욱, 이주광, 배충식, Choi. Wook, Lee. Jukwang, Bae. Choongsik 한국자동차공학회 한국자동차공학회논문집 8 Pages
한국자동차공학회 한국자동차공학회논문집 2004, Vol.12 No.6 30-37 (8 pages)
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Dimethyl Ether(DME)의 증발과 거시적 분무 특성
유준, 이주광, 배충식 한국자동차공학회 한국자동차공학회논문집 7 Pages
한국자동차공학회 한국자동차공학회논문집 2003, Vol.11 No.3 58-64 (7 pages)
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Dimethyl Ether와 디젤의 거시적 분무 특성 비교
유준, 이주광, 배충식 한국자동차공학회 한국자동차공학회논문집 8 Pages
한국자동차공학회 한국자동차공학회논문집 2002, Vol.10 No.5 73-80 (8 pages)
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COMBUSTION AND EMISSION CHARACTERISTICS OF A TURBOCHARGED DIESEL ENGINE FUELLED WITH DIMETHYL ETHER
Wu. J., Huang. Z., Qiao. X., Lu. J., Zhang. L., Zhang. J. 한국자동차공학회 International journal of automotive technology 8 Pages
한국자동차공학회 International journal of automotive technology 2006, Vol.7 No.6 645-652 (8 pages)
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담지된 SAPO-34 촉매상에서 DME(dimethyl ether) 전환 연구
이수경, 유병관, 제한솔, 류태공, 박주식, 김영호, Lee. Su-Gyung, Yoo. Byoung-Kwan, Je. Han-Sol, Ryu. Tae-Gong, Park. Chu-Sik, Kim. Young-Ho 한국수소및신에너지학회 한국수소 및 신에너지학회 논문집 8 Pages
한국수소및신에너지학회 한국수소 및 신에너지학회 논문집 2011, Vol.22 No.2 232-239 (8 pages)
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Silica막 반응기를 이용한 Dimethyl Ether 합성에 관한 연구
서봉국, 윤민영, 이규호, Sea. Bongkuk, Youn. Min-Young, Lee. Kew-Ho 한국막학회 멤브레인 8 Pages
한국막학회 멤브레인 2005, Vol.15 No.4 330-337 (8 pages)
막을 메탄을 탈수에 의한 dimethyl ether (DME) 합성 반응에 분리막 반응기로 적용하였다. Silica 전구체로서 tetraethoxysilane (TEOS)을 이용하여 초음파 분무 열분해 및 기상화학 증착법(CVD)법 등에 의해 다공성 스테인레스 스틸(SUS)에 silica 막을 합성하였다. CVD법에 의해 합성한 silica막의 수증기 투과도 및 메탄올에 대한 분리계수 상관관계 trade-off 선이 열분해 silica 막보다 높이 존재하였다. 수증기 투과도가 $1.2 imes10^{-7};mol;{cdot};m^{-2};{cdot};S^{-1};{cdot};Pa^{-1}$ 이상이고, 메탄올에 대한 분리계수가 10... -
Effect of Poly(ethylene glycol) dimethyl ether Plasticizer on Ionic Conductivity of Cross-Linked Poly[siloxane-g-oligo(ethylene oxide)] Solid Polymer Electrolytes
Kang. Yongku, Seo. Yeon-Ho, Kim. Dong-Wook, Lee. Chang-Jin 한국고분자학회 Macromolecular research 6 Pages
한국고분자학회 Macromolecular research 2004, Vol.12 No.5 431-436 (6 pages)
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Dehydration of Methanol to Dimethyl ether, Ethylene and Propylene over Silica-Doped Sulfated Zirconia
Hussain. Syed T., Mazhar. M., Gul. Sheraz, Chuang. Karl T, Sanger. Alan R. 대한화학회 Bulletin of the Korean Chemical Society 7 Pages
대한화학회 Bulletin of the Korean Chemical Society 2006, Vol.27 No.11 1844-1850 (7 pages)
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Modification of H-ZSM-5 and γ-Alumina with Formaldehyde and Its Application to the Synthesis of Dimethyl Ether from Syn-gas
Joo. Oh-Shim, Jung. Kwang-Deog, Han. Sung-Hwan 대한화학회 Bulletin of the Korean Chemical Society 3 Pages
대한화학회 Bulletin of the Korean Chemical Society 2002, Vol.23 No.8 1103-1105 (3 pages)
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Dimethyl Ether 예혼합 압축 착화 엔진에서 흡기중 CO2 농도와 흡기온도 변화가 연소에 미치는 영향
배충식, 장진영, 염기태, Bae. Choong-Sik, Jang. Jin-Young, Yeom. Ki-Tae 대한기계학회 大韓機械學會論文集. Transactions of the Korean society of mechanical engineers. B. B 8 Pages
대한기계학회 大韓機械學會論文集. Transactions of the Korean society of mechanical engineers. B. B 2007, Vol.31 No.6 514-521 (8 pages)
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Nafion/poly(ether(amino sulfone)) 산-염기 블렌드 전해질막을 이용한 디메틸 에테르 직접연료전지 특성연구
박선미, 최원춘, 남승은, 이규호, 오세용, 이창진, 강영구, Park. Sun-Mi, Choi. Won-Choon, Nam. Seung-Eun, Lee. Kew-Ho, Oh. Se-Young, Lee. Chang-Jin, Kang. Yong-Ku 한국전기화학회 전기화학회지 6 Pages
한국전기화학회 전기화학회지 2006, Vol.9 No.2 89-94 (6 pages)
Nafion/poly(ether(amino sulfone)) acid-base 블렌드 고분자 전해질 막을 제조하여 이온전도도, 디메틸 에테르(DME) 투과도를 측정하였으며 이를 이용하여 직접 DME 연료전지 특성을 연구하였다. Poly(ether(amino sulfone)) (PEAS)는 아민기의 치환도가 $0.6sim2.0$인 것을 합성하였다. Nafion/PEAS 블렌드 전해질 막은 Nafion과 PEAS를 DMF에 용해시켜서 캐스팅하는 방법으로 제조하였다. 블렌드 전해질막은 $100^{circ}C$ 이상에서도 이온전도도가 계속 증가하였다. Nafion/PEAS-0.6(85:15) 블렌드 전해질막은 $50^{circ}C$... -
In vivo metabolism of Talosin A, new isoflavonol glycoside from Kitasatospora kifunensis, in rats
Jong-Hwan Lim, In-Bae Song, Youn-Hwan Hwang, Myoung-Seok Kim, Jong-Woo Kim, Jin-Yong Kim, Joo Won Suh, Hyo-In Yun 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 2호 2 115-120 (6 pages)
The isoflavonol glycoside Talosin A, genistein (GT)-7-a-L-6- deoxy talopyranose (GT-Tal), was first isolated from the culture broth of Kitasatospora kifunensis MJM341. The aim of the present study was to evaluate the oral absorption and metabolism of the newly isolated isoflavonol glycoside, GT-Tal compared to genistin (GT-7-O-b-D-glucopyranoside; GT- Glu). Free GT-Glu and GT-Tal could not be detected prior to enzymatic hydrolysis of the corresponding conjugates in rat plasma. Following oral... -
Dendrotoxin-ĸ suppresses tumor growth induced by human lung adenocarcinoma A549 cells in nude mice
Soo Hwa Jang, Pan Dong Ryu, So Yeong Lee* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 6 35-40 (6 pages)
Voltage-gated K (Kv) channels have been considered to be a regulator of membrane potential and neuronal excitability. Recently, accumulated evidence has indicated that several Kv channel subtypes contribute to the control of cell proliferation in various types of cells and are worth noting as potential emerging molecular targets of cancer therapy. In the present study, we investigated the effects of the Kv1.1-specific blocker, dendrotoxin-ĸ (DTX-ĸ), on tumor formation induced by the human lung... -
Immunotherapy with methyl gallate, an inhibitor of Treg cell migration, enhances the anti-cancer effect of cisplatin therapy
HyunseongKim, GihyunLee, Sung-HwaSohn, ChanjuLee, JungWonKwak, HyunsuBae 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.3 5 261-268 (8 pages)
Foxp3+ CD25+CD4+ regulatory T (Treg) cells are crucial for the maintenance of immunological self-tolerance and are abundant in tumors. Most of these cells are chemo-attracted to tumor tissues and suppress anti-tumor responses inside the tumor. Currently, several cancer immunotherapies targeting Treg cells are being clinically tested. Cisplatin is one of the most potent chemotherapy drugs widely used for cancer treatment. While cisplatin is a powerful drug for the treatment of multiple cancers,... -
Comparison of electrophysiological effects of calcium channel blockers on cardiac repolarization
Hyang-AeLee, Sung-AeHyun, Sung-GurlPark, Ki-SukKim, SungJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 15 119-127 (9 pages)
Dihydropyridine (DHP) calcium channel blockers (CCBs) have been widely used to treat of several cardiovascular diseases. An excessive shortening of action potential duration (APD) due to the reduction of Ca2+ channel current (ICa) might increase the risk of arrhythmia. In this study we investigated the electrophysiologicaleffects of nicardipine (NIC), isradipine (ISR), and amlodipine (AML) on the cardiac APD in rabbit Purkinje fibers, voltage-gated K+ channel currents (IKr, IKs) and... -
Pitavastatin Regulates Ang II Induced Proliferation and Migration via IGFBP-5 in VSMC
YuMiHa, Ju-OckNam, YoungJinKang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.6 4 499-506 (8 pages)
Angiotensin II (Ang II), a key mediator of hypertensive, causes structural changes in the arteries (vascular remodeling), which involve alterations in cell growth, vascular smooth muscle cell (VSMC) hypertrophy. Ang II promotes fibrotic factor like IGFBP5, which mediates the profibrotic effects of Ang II in the heart and kidneys, lung and so on. The purpose of this study was to identify the signaling pathway of IGFBP5 on cell proliferation and migration of Ang II-stimulated VSMC. We have been... -
Effects of Free Anthraquinones Extract from the Rhubarb on Cell Proliferation and Accumulation of Extracellular Matrix in High Glucose Cultured-Mesangial Cells
JianyunWang, HuiFang, BingzhengDong, DongdongWang, YanLi, XiaoChen, LijuanChen, TongWei, QunliWei 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.6 2 485-489 (5 pages)
Diabetic nephropathy (DN) is the leading cause of end-stage failure of the kidney, but the efficacy of currently available strategies for the prevention of DN remains unsatisfactory. In this study, we investigated the effects of free anthraquinones (FARs) extract, which was extracted from the rhubarb and purified by macroporous resin DM130 with gradient mixtures of ethanol/water as the lelution solvents, in high glucose-cultured glomerular mesangial cells (MCs). The cell proliferation was... -
Murrayafoline A Induces a G0/G1-Phase Arrest in Platelet-Derived Growth Factor-Stimulated Vascular Smooth Muscle Cells
Joo-HuiHan, YohanKim, Sang-HyukJung, Jung-JinLee, Hyun-SooPark, Gyu-YongSong, NguyenManhCuong, YoungHoKim, Chang-SeonMyung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.5 4 421-426 (6 pages)
The increased potential for vascular smooth muscle cell (VSMC) growth is a key abnormality in the development of atherosclerosis and post-angioplasty restenosis. Abnormally high activity of plate-let-derived growth factor (PDGF) is believed to play a central role in the etiology of these pathophy-siological situations. Here, we investigated the anti-proliferative effects and possible mechanism(s) of murrayafoline A, a carbazole alkaloid isolated from Glycosmis stenocarpa Guillamin (Rutaceae), on... -
Scant Extracellular NAD Cleaving Activity of Human Neutrophils is Down-Regulated by fMLP via FPRL1
Md.AshrafulHasan, Md.TipuSultan, Won-GyunAhn, Yeon-JaKim, Ji-HyeJang, Chang-WonHong, Dong-KeunSong 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 8 497-502 (6 pages)
Extracellular nicotinamide adenine dinucleotide (NAD) cleaving activity of a particular cell type determines the rate of the degradation of extracellular NAD with formation of metabolites in the vicinity of the plasma membrane, which has important physiological consequences. It is yet to be elucidated whether intact human neutrophils have any extracellular NAD cleaving activity. In this study, with a simple fluorometric assay utilizing 1,N6-ethenoadenine dinucleotide (etheno-NAD) as the... -
Spontaneous Electrical Activity of Cultured Interstitial Cells of Cajal from Mouse Urinary Bladder
Sun-OuckKim, Han-SeongJeong, SujeongJang, Mei-JinWu, JongKyuPark, Han-YiJiao, JaeYeoulJun, Jong-SeongPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.6 9 531-536 (6 pages)
Interstitial cells of Cajal (ICCs) from the urinary bladder regulate detrusor smooth muscle activities. We cultured ICCs from the urinary bladder of mice and performed patch clamp and intracellular Ca2+ ([Ca2+]i) imaging to investigate whether cultured ICCs can be a valuable tool for cellular functional studies. The cultured ICCs displayed two types of spontaneous electrical activities which are similar to those recorded in intact bladder tissues. Spontaneous electrical activities of cultured... -
Gastroprotective Effect of the Three Glucuronopyranoside Flavo-noids in Rats
WiJoonIm, YoonjinNam, SunYoungPark, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.5 5 411-415 (5 pages)
In this study, we investigated the protective action of glucuronopyranoside flavonoids (QGC, AGC, LGC) on gastritis in rats. QGC, AGC and omeprazole decreased the gastric volume significantly, and each ID50 was 0.75, 0.54 and 8.5 mg/kg, respectively, thus the order of potency was AGC, QGC and omeprazole. They also decreased acid output, and each ID50 was 7.81, 0.58 and 6.71 mg/kg, respectively, thus the order of potency was AGC, omeprazole and QGC. They inhibited gastritis induced by... -
A Computational Model of Cytosolic and Mitochondrial [Ca2＋] in Paced Rat Ventricular Myocytes
JaeBoumYoum, SeongWooChoi, ChangHanJang, HyoungKyuKim, ChaeHunLeem, NariKim, JinHan 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 23 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.4 5 217-239 (23 pages)
We carried out a series of experiment demonstrating the role of mitochondria in the cytosolic and mitochondrial Ca2＋ transients and compared the results with those from computer simulation. In rat ventricular myocytes, increasing the rate of stimulation (1∼3 Hz) made both the diastolic and systolic [Ca2＋] bigger in mitochondria as well as in cytosol. As L-type Ca2＋ channel has key influence on the amplitude of Ca2＋-induced Ca2＋ release, the relation between stimulus frequency and the... -
Modulation of Presynaptic GABA Release by Oxidative Stress in Mechanically-isolated Rat Cerebral Cortical Neurons
Eu-TeumHahm, Jung-WooSeo, JinyoungHur, Young-WukCho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.3 2 127-132 (6 pages)
Reactive oxygen species (ROS), which include hydrogen peroxide (H2O2), the superoxide anion (O2−·), and the hydroxyl radical (OH·), are generated as by-products of oxidative metabolism in cells. The cerebral cortex has been found to be particularly vulnerable to production of ROS associated with conditions such as ischemia-reperfusion, Parkinson's disease, and aging. To investigate the effect of ROS on inhibitory GABAergic synaptic transmission, we examined the electrophysiological... -
Nitric Oxide Modulation of GABAergic Synaptic Transmission in Mechanically Isolated Rat Auditory Cortical Neurons
Jong-JuLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.6 9 461-467 (7 pages)
The auditory cortex (A1) encodes the acquired significance of sound for the perception and interpretation of sound. Nitric oxide (NO) is a gas molecule with free radical properties that functions as a transmitter molecule and can alter neural activity without direct synaptic connections. We used whole-cell recordings under voltage clamp to investigate the effect of NO on spontaneous GABAergic synaptic transmission in mechanically isolated rat auditory cortical neurons preserving functional...
