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Effects of Prostaglandin E2 on the Spontaneous Contractions and Electrical Activities of the Antral Circular Muscle in Guinea-pig Stomach
JongYoonKim, SungJoonKim, TongMookKang, SangJinLee, JaeYeoulJun, InsukSo, KiWhanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 11 361-368 (8 pages)
The spontaneous contractions of gastric smooth muscles are regulated by slow waves, which are modulated by both nervous system and humoral agents. This study was designed to examine the effects of prostaglandin E2 (PGE2) on the contractile and electrical activities of antral smooth muscles in guinea-pig stomach, using an intracellular recording technique. To elucidate the underlying mechanism for its effect on contractility, ionic currents were also measured using a whole-cell patch clamp... -
Evaluation of bone healing in canine tibial defects filled with cortical autograft, commercial-DBM, calf fetal DBM, omentum and omentum-calf fetal DBM
Amin Bigham-Sadegh, Iraj Karimi, Mahsa Alebouye, Zahra Shafie-Sarvestani, Ahmad Oryan 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 14 337-343 (7 pages)
The present study was conducted to compare the effects of xenogenic bovine fetal demineralized bone matrix (DBM), commercial DBM, omentum, omentum-calf fetal DBM, cortical autograft and xenogenic cartilage powder on the healing of tibial defects in a dog model to determine the best material for bone healing. Seven male adult mongrel dogs, weighing 26.2 ± 2.5 kg, were used in this study. Seven holes with a diameter of 4-mm were created and then filled with several biomaterials. Radiographs were... -
Dehydroevodiamine·HCl enhances cognitive function in memory-impaired rat models
KiYoungShin, KaYoungKim, Yoo-HunSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.1 7 55-64 (10 pages)
Progressive memory impairment such as that associated with depression, stroke, and Alzheimer’s disease (AD) can interfere with daily life. In particular, AD, which is a progressive neurodegenerative disorder, prominently features a memory and learning impairment that is related to changes in acetylcholine and abnormal β-amyloid (Aβ) deposition in the brain. In the present study, we investigated the effects of dehydroevodiamine·HCl (DHED) on cognitive improvement and the related mechanism in... -
Detection of Clavibacter michiganensis subsp. michiganensis Assisted by Micro- Raman Spectroscopy under Laboratory Conditions
Moisé, s Roberto Vallejo Pé, rez, Hugo Ricardo Navarro Contreras, Jesú, s A. Sosa Herrera, José, Pablo Lara Á, vila 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 5호 4 381-392 (12 pages)
Clavibacter michiganensis subsp. michiganesis (Cmm) is a quarantine-worthy pest in México. The implementation and validation of new technologies is necessary to reduce the time for bacterial detection in laboratory conditions and Raman spectroscopy is an ambitious technology that has all of the features needed to characterize and identify bacteria. Under controlled conditions a contagion process was induced with Cmm, the disease epidemiology was monitored. Micro-Raman spectroscopy (532 nm... -
Research Notes : Taxonomic Re-evaluation of Colletotrichum gloeosporioides Isolated from Strawberry in Korea
한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 3호 10 317-322 (6 pages)
changes with introduction of several new species. As a result, it revealed that C. gloeosporioides indeed consisted of more than 20 distinct species. Therefore, the Korean pathogen isolated from strawberry should be reclassified. The shape and size of the conidia of the pathogen were not distinctly different from those of C. gloeosporioides and C. fructicola, but it differed in shape of the appressoria. A combined sequence analysis of partial actin, glyceraldehydes-3-phosphate dehydrogenase... -
단이 진 인장부재 필릿과 구멍사이 응력집중에 관한 광탄성법 해석
백태현, 김명수, 김영철 인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 8 Pages
인문사회과학기술융합학회 예술인문사회융합멀티미디어논문지 2015, 제 5권 제 2호 23 207-214 (8 pages)
기계구조물 부재의 단면에 구멍이 있거나 단면이 갑자기 변화하는 경우, 응력집중이 발생되며 대 부분 재료의 파손에 매우 중요한 원인이 된다. 단면의 급격한 변화로 집중하중이 작용되는 지점 근방 에서의 응력은 부재의 평균응력보다 훨씬 크게 작용하기 때문이다. 본 논문에서는 인장하중을 받는 단이 진 판재 모서리의 필릿과 구멍사이의 응력집중에 대해 살펴보았다. 응력 집중의 상호 작용 효과 에 대해서 광탄성실험법과 상용 유한요소 소프트웨어 ANSYS로 해석하였다. 해석 결과로부터, 필렛 반경에서 서로 다른 위치에 있는... -
Excellent field emission properties from carbon nanotube field emitters fabricated using a filtration-taping method
Dong Hoon Shin, Seung Il Jung, Ki Nam Yun, Guohai Chen, Seok-Gy Jeon, Jung-Il Kim, Cheol Jin Lee 한국탄소학회 Carbon Letters 4 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.3 10 214-217 (4 pages)
A filtration-taping method was demonstrated to fabricate carbon nanotube (CNT) emitters. This method shows many good features, including high mechanical adhesion, good electrical contact, low temperature, organic-free, low cost, large size, and suitability for various CNT materials and substrates. These good features promise an advanced field emission performance with a turn-on field of 0.88 V/mm at a current density of 0.1 mA/cm2, a threshold field of 1.98 V/mm at a current density of 1 mA/cm2,... -
FEM에 의한 CRALL재의 노치강도 해석(I)
윤한기, Yoon. Han-Ki 한국해양공학회 韓國海洋工學會誌 10 Pages
한국해양공학회 韓國海洋工學會誌 1999, Vol.13 No.2 41-50 (10 pages)
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The effect of the spinning conditions on the structure of mesophase pitch-based carbon fibers by Taguchi method
Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 11 89-98 (10 pages)
Taguchi’s experimental design was employed in the melt spinning of molten mesophase pitch to produce carbon fibers. The textures of the obtained carbon fibers were radial with varied crack angles, as observed by scanning electron microscopy and polarized optical imaging. The diameter, crack angle, preferred orientation, and tensile modulus of the produced samples were examined to investigate the influence of four spinning variables. The relative importance of the variables has been emphasized...
