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OPTIMIZATION OF OPERATION PARAMETERS OF 80-KEV ELECTRON GUN
Kim. Jeong Dong, Lee. Yongdeok, Kang. Heung Sik 한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 8 Pages
한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 2014, Vol.46 No.3 387-394 (8 pages)
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A serine/threonine phosphatase 1 of Streptococcus suis type 2 is an important virulence factor
Lihua Fang, Jingjing Zhou, Pengcheng Fan, Yunkai Yang, Hongxia Shen, Weihuan Fang 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 4호 3 439-447 (9 pages)
or paraquat (a chemical generator of superoxide anions) [6] and incubated at 37 o C. The cultures were examined at 620 nm after 4 and 8 h of incubation on SpectraMax M2 microplate reader (Molecular Devices). In vitro adhesion assay Adhesion of the Δ mutant and its parent strain to murine endothelial cell line bEnd.3 and human epithelial cell line HEp-2 was determined as previously described... Streptococcus suis is regarded as one of the major pathogens of pigs, and Streptococcus suis type 2 (SS2) is considered a zoonotic bacterium based on its ability to cause meningitis and streptococcal toxic shock-like syndrome in humans. Many bacterial species contain genes encoding serine/threonine protein phosphatases (STPs) responsible for dephosphorylation of their substrates in a single reaction step. This study investigated the role of stp1 in the pathogenesis of SS2. An isogenic stp1... -
Pathology of non-thermal irreversible electroporation (N-TIRE)-induced ablation of the canine brain
John H. Rossmeisl Jr., Paulo A. Garcia, John L. Roberston, Thomas L. Ellis, Rafael V. Davalos 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 4호 9 433-440 (8 pages)
durectomies were performed along the limits of the craniectomy. N-TIRE lesions were created in the right parietal lobe of the cerebrum in four dogs (Table 1) using a NanoKnife pulse generator and electrodes (AngioDynamics, USA). An additional dog underwent a sham control procedure (Table 1). The lesions were created by administering nine sets of ten electrical pulses at a repetition rate of... This study describes the neuropathologic features of normal canine brain ablated with non-thermal irreversible electroporation (N-TIRE). The parietal cerebral cortices of four dogs were treated with N-TIRE using a dose-escalation protocol with an additional dog receiving sham treatment. Animals were allowed to recover following N-TIRE ablation and the effects of treatment were monitored with clinical and magnetic resonance imaging examinations. Brains were subjected to histopathologic and... -
A Study on the Spinoreticulocerebellar Tract in Chickens
Il-kwon Park, Moo-kang Kim, Imagawa Tomoro, Uehara Masato 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2003, 제 4권 제 1호 1 1-8 (8 pages)
in the rat: Anterograde axonal transport studies utilizing light and electron microscopy, The Anatomical Record. 1999, 255, 428-451. 13. Magnuson, D. S. K., Green, D. M. and Sengoku, T. Lumbar spinoreticular neurons in the rat: Part of the central pattern generator for locomotion?, Annals New York Acade. Sci. 1998, 436-440 14. Matsusita, M. and Xiong, G. Uncrossed and crossed projections from the... The spinoreticulocerebellar (SRC) tract is an indirect spinocerebellar tract formed by the reticular formation (RF), which is connected to the cerebellum and spinal cord. The RF receives ascending fibers to both the spinal enlargement and sends descending fibers to the cerebellum. This study demonstrated that the connectivity of the neurons in the RF is concerned to the cerebellum and spinal cord using the anterograde projection with biotinylated dextran amine (BDA) and retrograde labeling with... -
기계적 및 열적 피로가 교정용 접착제의 결합강도에 미치는 영향
신완철(Wan-Cheal Shin), 김종성(Jong-Sung Kim), 김정기(Jong-Ghee Kim) 대한치과교정학회 The Korean Journal of Orthodontics 12 Pages
대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 2호 5 175-186 (12 pages)
방식으로 전환하는 것이 가능하다. figure 2.2는 피로 시험기의 작동원리를 설명하는 구성도이다. function generator(TMI Co., Model T102C)의 입력이 spe aker amplifier에서 증폭되어 power DC amplifier로 입력되며, 이것의 출력이 구동 코일에 작용하여 가진 력을 얻는다. 시험편에 외력이 작용하게 되면 load cell상의 Wheatstone bridge 의 저 항이 변하게 되 고，이 신호를 differential strain amplifier에서 200... 본 연구의 목적은 기계적 및 열적피로가 전단결합강도에 미치는 영향을 알아 보기 위한 것이다. 3종의 비반죽형 접착제(Ortho-one, MonoLok², System 1+)로 mesh형의 금속 브라켓(Ormesh)을 교정목적으로 발거된 소구치의 법랑질면을 평탄하게 한 후 부착하고 100만회의 반복비틀림과 1,000회의 thermocycling을 가하였다. 그 후 Instron을 이용하여 전단결합강도를 측정하여 다음과 같은 결과를 얻었다. 1. 접착제의 Knoop 경도치는 thermocycling전에는 Monolok²가 64.03kg/mm²으로 가장 크고, System 1+가... -
Reactive oxygen species increase neuronal excitability via activation of nonspecific cation channel in rat medullary dorsal horn neurons
HaeInLee, ByungRimPark, SangWooChun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.4 2 371-376 (6 pages)
a known generator of superoxide anion (O2 ·-), on membrane excitability in the rat MDH neurons. For this, we used patch clamp recording and confocal imaging. An application of X/XO (300 M/30 mU) induced membrane depolarization and inward currents. When slices were pretreated with ROS scavengers, such as phenyl N-tert-butylnitrone (PBN), superoxide dis- mutase (SOD), and catalase, X/XO-induced... a known generator of superoxide anion (O2·-), on membrane excitability in the rat MDH neurons. For this, we used patch clamp recording and confocal imaging. An application of X/XO (300 µM/30 mU) induced membrane depolarization and inward currents. When slices were pretreated with ROS scavengers, such as phenyl N-tert-butylnitrone (PBN), superoxide dismutase (SOD), and catalase, X/XO-induced responses decreased. Fluorescence intensity in the DCF-DA and DHE-loaded MDH cells increased on the... -
Activation of autophagy at cerebral cortex and apoptosis at brainstem are differential responses to 835 MHz RF-EMF exposure
JuHwanKim, Da-HyeonYu, HakRimKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 5 179-188 (10 pages)
conditions and treated the same circular pattern as the RF-exposed groups without RF-EMF exposure. The sham-treated and RF-exposed mice could move freely in their cage. The cage inside RF-EMF generator was 43 cm long ×37 cm wide×18 cm high. RF-EMF exposure was a top horn antenna to the lower mouse cage. The bottom and wall of the cage were covered by ceramic wave absorption material. The... With the explosive increase in exposure to radiofrequency electromagnetic fields (RF-EMF) emitted by mobile phones, public concerns have grown over the last few decades with regard to the potential effects of EMF exposure on the nervous system in the brain. Many researchers have suggested that RF-EMFs can effect diverse neuronal alterations in the brain, thereby affecting neuronal functions as well as behavior. Previously, we showed that long-term exposure to 835 MHz RF-EMF induces autophagy in... -
Decreasing Effect of LidocaineㆍHCl on the Thickness of the Neuronal and Model Membrane
Sung-MinPark, Jong-SunPark, Jae-HanKim, Jin-HyunBaek, Tae-GyunYoon, Do-KeunLee, Won-HyangRyu, In-KyoChung, UyDongSohn, Hye-OckJang, IlYun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.4 1 253-257 (5 pages)
function generator (Hewlett-Packard, Santa Clara, CA), and a low-frequency AC field (sinusoidal wave function with a frequenc y of 10 Hz and an amplitude of 3 V) was applied for 90 min. After vesicle formation, the AC field was turned off. Data analysis Each value is expressed as the mean±SEM (n=5 for all experiments). The differences in D and the a.u. (thickness) values were analyzed stat... This study examined the mechanism of action of a local anesthetic, lidocaineㆍHCl. Energy transfer between the surface fluorescent probe, 1-anilinonaphthalene-8-sulfonic acid, and the hydrophobic fluorescent probe, 1,3-di(1-pyrenyl) propane, was used to determine the effect of lidocaineㆍHCl on the thickness (D) of the synaptosomal plasma membrane vesicles (SPMV) isolated from the bovine cerebral cortex, and liposomes of the total lipids (SPMVTL) and phospholipids (SPMVPL) extracted from the... -
The Effect of LidocaineㆍHCl on the Fluidity of Native and Model Membrane Lipid Bilayers
Jun-SeopPark, Tae-SangJung, Yang-HoNoh, Woo-SungKim, Won-IckPark, Young-SooKim, In-KyoChung, UyDongSohn, Soo-KyungBae, Moon-KyoungBae, Hye 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 7 413-422 (10 pages)
a function generator (Hewlett-Packard, Santa Clara, CA), and a low-frequency AC field (sinusoidal wave function with a frequency of 10 Hz and an amplitude of 3 V) was applied for 90 min. After the vesicle formation, the AC field was turned off. To determine the fluorescence parameters of probe mole- cules in each of the membrane monolayers, TNBS labeling reactions were performed as described... The purpose of this study is to investigated the mechanism of pharmacological action of local anesthetic and provide the basic information about the development of new effective local anesthetics. Fluorescent probe techniques were used to evaluate the effect of lidocaineㆍHCl on the physical properties (transbilayer asymmetric lateral and rotational mobility, annular lipid fluidity and protein distribution) of synaptosomal plasma membrane vesicles (SPMV) isolated from bovine cerebral cortex, and...