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본문검색 결과만 보기
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Principle of Field Emission-Scanning Electron Microscopy(FE-SEM) and its Application to the Analysis of Carbon Nanostructures
Young Jeon Kim, Chomg Rae Park 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters Vol.2 No.3&4 7 202-211 (10 pages)
최근 들어 탄소나튜브를 필두로 하는 나노 산소재에 대한 관심이 중대되면서 나노 스케일에서의 구조와 물리적 성질간의 상관성에 대한 연구가 급증하고 있다. 전자현미경은 이러한 나노 수준에서의 구조를 파악하는데 있어 없어서는 안될 기기이며 특히, 전게 방출형 주사전자형미경은 소재의 표면구조를 나노 수준까지 조사할 수 있는 아주 유효한 수다으로 알려져 있다. -
Effect of lower extremity resistance exercise on gait performance in a patient with systemic lupus erythematosus with cerebral infarction and lower extremity vasculitis
Yong-seop Oh, Young-keun Woo 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2016, 제 5권 제 2호 9 106-112 (7 pages)
Objective: This study was conducted to investigate the effects of resistant exercise on the gait performance of a patient with systemic lupus erythematosus (SLE) patient. Design: A case study. Methods: A 30-year-old male adult who had been diagnosed with systemic lupus erythmatosus (SLE) in April 2013, right middle cerebral artery infarction, and with left hemiplegia agreed to participate in this case study. Patient was unable to walk due to being affected with adynamia. Due to developing... -
Wheelchair martial arts practitioners have similar bone strength, sitting balance and self-esteem to healthy individuals
Shirley S. M. Fong, Shamay S. M. Ng, Anthony O. T. Li, X. Guo 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 1호 5 27-32 (6 pages)
The velocity of the ultrasound wave (speed of sound, m/s) traveling through the outer surface of the radial bone was measured and was then converted into a T-score and a Z-score. These ultrasound T-score and Z-score that represent bone strength; the maximum forward reaching distance in sitting (cm) that represents sitting balance; and the RSE total self-esteem score that indicates global self-esteem were used for analysis. Results: The results revealed that there were no statistically significan... -
외과학 임상실습 평가방법의 변경이 실습성적에 미치는 영향
김명수(Myoung Soo Kim), 김익용(Ik Yong Kim), 배금석(Keum Suck Bae), 한애리(Airi Han), 김대성(Dae Sung Kim), 유수영(Soo Young Yoo), 강성준(Seong-Joon Kang), 한국의학교육학회 Korean Journal of Medical Education 11 Pages
한국의학교육학회 Korean Journal of Medical Education 2003, 제 15권 제 3호 6 221-231 (11 pages)
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내과 임상실습에서 문제바탕학습 (Problem-based Learning)을 응용한 항생제 교육
박완범(Wan Beom Park), 김홍빈(Hong Bin Kim), 김남중(Nam Joong Kim), 오명돈(Myoung -don Oh), 최강원(Kang Won Choe), 이윤성(Yoon Sung Lee), 신좌섭(Jwa-Seop S 한국의학교육학회 Korean Journal of Medical Education 9 Pages
한국의학교육학회 Korean Journal of Medical Education 2007, 제 19권 제 1호 3 13-21 (9 pages)
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Effect of phosphorus deficiency on erythrocytic morphology and function in cows
Ziwei Zhang, Mingyu Bi, Jie Yang, Haidong Yao, Zhonghua Liu, Shiwen Xu 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 3호 10 333-340 (8 pages)
The aim of this study was to evaluate the influence of phosphorus (P) deficiency on the morphological and functional characteristics of erythrocytes in cows. Forty Holstein-Friesian dairy cows in mid-lactation were randomly divided into two groups of 20 each and were fed either a low-P diet (0.03% P/kg dry matter [DM]) or a control diet (0.36% P/kg DM). Red blood cell (RBC) indices results showed RBC and mean corpuscular hemoglobin decreased while mean corpuscular volume increased significantly... -
Development of an immunochromatographic strip for detection of antibodies against porcine reproductive and respiratory syndrome virus
Huawei Li, Jifei Yang, Dengke Bao, Jie Hou, Yubao Zhi, Yanyan Yang, Pengchao Ji, Enmin Zhou, Songlin Qiao, Gaiping Zhang 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 3호 7 307-316 (10 pages)
A simple and rapid immunochromatographic test strip incorporating a colloidal gold-labeled recombinant Nsp7 antigen probe was successfully developed for the detection of anti-porcine reproductive and respiratory syndrome virus (PRRSV) antibodies in swine. Recombinant Nsp7 protein of PRRSV labeled with colloidal gold was dispensed on a conjugate pad for use as the detector. Staphylococcal protein A and purified porcine anti-Nsp7 antibodies were blotted on a nitrocellulose membrane to form test... -
Physical-chemical and biological characterization of different preparations of equine chorionic gonadotropin
Rafael Herrera Alvarez, Fabio Luis Nogueira Natal, Maria Teresa Carvalho Pinto Ribela, Beatriz Elane de Almeida, Jo?o Ezequiel d 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 4 459-465 (7 pages)
Ovarian stimulation with commercial preparations of equine chorionic gonadotropin (eCG) produces extremely variable responses in domestic animals, ranging from excessive stimulation to practically no stimulation, when applied on the basis of their declared unitage. This study was conducted to analyze four commercial preparations from different manufacturers via reversed-phase HPLC (RP-HPLC) in comparison with a reference preparation and an official International Standard from the World Health... -
Production of a highly group-specific monoclonal antibody against zearalenone and its application in an enzyme-linked immunosorbent assay
Sang-Ho Cha, Sung-Hee Kim, Karyn Bischoff, Hyun-Jeong Kim, Seong-Wan Son, Hwan-Goo Kang* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 2 119-125 (7 pages)
A monoclonal antibody (mAb) against zearalenone (ZEN) was produced using ZEN-carboxymethoxylamine and -BSA conjugates. Antibody produced by one clone showing a very high binding ability was selected and found to have a higher affinity for ZEN compared to a commerciall ZEN antibody. We developed two direct competitive ELISA systems using the selected antibody (ZEN-coated and anti-ZEN antibody-coated ELISA). Quantitative ranges for the anti-ZEN antibody-coated ELISA and ZEN-coated ELISA were from... -
Spectral Doppler ultrasound in the major arteries of normal conscious immature micropigs
Joohyun Jung, Jinhwa Chang, Sunkyoung Oh, Mincheol Choi 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 10 155-159 (5 pages)
Spectral waveform analysis of blood flow velocity in the major arteries of six healthy, conscious immature micropigs was determined using Doppler ultrasonography. Doppler spectral tracings were recorded from the external iliac artery, femoral artery, and renal arcuate artery. Tracings were also taken from three parts of the common carotid artery and two parts of the abdominal aorta. Spectral Doppler parameters included peak systolic velocity, early diastolic velocity, peak systolic... -
Characterization of HC58cDNA, a putative cysteine protease from the parasite Haemonchus contortus
Charles I. Muleke, Yan Ruofeng, Xu Lixin, Sun Yanming, Li Xiangrui 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 3호 7 249-255 (7 pages)
Because of the complexity of the cathepsin B-like (CBL) family, an information on the biological and biochemical characteristics of individual CBL genes is lacking. In this study, we investigated the degradative effects of the recombinant HC58 protein isolated from Haemonchus contortus parasites on protein substrates over a broad pH range in vitro. This protein, which hydrolyzed the synthetic peptide substrates Z-FR-AMC and Z-RR-AMC, had characteristics of the cysteine protease class of... -
Arts Education and Instrumental Outcomes: An Introduction to Research, Methods and Indicators
Larry O Farrell, Margaret Meban 한국음악교육공학회 음악교육공학 59 Pages
한국음악교육공학회 음악교육공학 2004, 제 4호 1 1-59 (59 pages)
이 논문은 2004년 1월에 홍콩에서 개최된 예술교육의 Unesco 전문가들이 3일 동안 연구한 연구보고서이다. 이것은 학교 교과과정에 예술을 소개하는 방법에 초점이 맞춰져 있는 6곳의 지역적인 컨퍼런스 시리즈 중 마지막으로서 계획되었다. 앞선 연구모임은 2001년부터 2003년까지 남아프리카의 Grahamstown, 브라질의 Uberaba, 요르단의 Amman, 피지의 Nadi, 핀란드의 Helsinki에서 개최되었다. 예술교육의 성장을 격려하기 위한 위원회로서 Unesco는 1999년에 시작된 각 지역적 모임을 통합하기 위해 구성되었다. 2001년의 모임의... -
II급 1류 부정교합에서 bionator의 치료효과에 관한 유한요소법적 연구
안석준(Sug-Joon Ahn), 서정훈(Cheong-Hoon Suhr) 대한치과교정학회 The Korean Journal of Orthodontics 14 Pages
대한치과교정학회 The Korean Journal of Orthodontics 1996, 제 26권 제 2호 9 219-232 (14 pages)
본 연구의 목적은 II급 1류 부정교합에서 bionator를 사용한 환자의 치료 전후 두부방사선계측사진에 유한요소법을 적용하여 나타난 변화를 각 요소별로 나타내며, 이러한 변화와 치료에 영향을 미치는 인자들 간의 연관성을 살펴보는데 있다. 앵글 II급 1류 부정교합을 가진 73명을 치료결과가 양호한 군(1군)과 치료결과가 불량한 군(2군)으로 나눈후 각각의 치료효과에 대한 유한요소분석을 실시한 후 성별간, 치료결과군간 및 치료시작시기와의 유의성을 검증하였으며(SAS ANOVA, p<0.05), 치료기간과의 상관관계를 살펴보았다. 또한... -
내현적 자기애, 내면화된 수치심, 친밀함에 대한 두려움 및 외로움의 구조적 관계
윤희정, 김영근 한국교육치료학회 교육치료연구 20 Pages
한국교육치료학회 교육치료연구 2016, Vol.8 No.3 12 549-568 (20 pages)
본 연구에서는 내현적 자기애와 내면화된 수치심, 친밀함에 대한 두려움 및 외로움 사이의 구조적 관계를 검증하고자 하였다. 연구대상은 20세 이상 성인 남녀 532명이었으며, 연구에서 밝혀진 세 가 지 주요한 결과는 다음과 같다. 첫째, 내현적 자기애가 친밀함에 대한 두려움을 매개로 외로움에 이 르는 경로를 확인하였다. 둘째, 내현적 자기애가 내면화된 수치심과 친밀함에 대한 두려움을 통해 외로움에 미치는 영향의 2중 매개효과를 확인하였다. 셋째, 팬텀 변인을 통해 내현적 자기애 성향이 내면화된 수치심을 통해 외로움에... -
A Novel Nicotinamide Adenine Dinucleotide Correction Method for Mitochondrial Ca2+ Measurement with FURA-2-FF in Single Permeabilized Ventricular Myocytes of Rat
JeongHoonLee, JeongMiHa, ChaeHunLeem 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.4 10 373-382 (10 pages)
must be constant when the fluorescent dye concentration is the same. In accordance with this principle, we developed a novel online method that corrected NADH and Fura-2-FF interference. We simultaneously measured multiple parameters, including NADH, [Ca2+], and pH/mitochondrial membrane potential; Fura-2-FF for mitochondrial [Ca2+] and TMRE for Ψm or carboxy-SNARF-1 for pH were used. With this novel method, we found that the resting mitochondrial [Ca2+] concentration was 1.03 μM. This 1 μM... -
Binding Specificity of Philyra pisum Lectin to Pathogen-Associated Molecular Patterns, and Its Secondary Structure
ByungTaePark, ByungSunKim, HeajinPark, JaehoonJeong, HanbitHyun, HyeSeongHwang, HaHyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.6 11 547-552 (6 pages)
We recently reported a Philyra pisum lectin (PPL) that exerts mitogenic effects on human lym-phocytes, and its molecular characterization. The present study provides a more detailed charac-terization of PPL based on the results from a monosaccharide analysis indicating that PPL is a glycoprotein, and circular dichroism spectra revealing its estimated α-helix, β-sheet, β-turn, and random coil contents to be 14.0%, 39.6%, 15.8%, and 30.6%, respectively. These contents are quite similar to those... -
Molecular Characterization and Mitogenic Activity of a Lectin from Purse Crab Philyra Pisum
JongCheonNa, ByungTaePark, WooHyukChung, HaHyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.4 6 241-244 (4 pages)
A (maximum SI=8.80±0.59). The mitogenic activity mediated by PPL is required for optimum dosing, and higher or lower concentrations caused decreases in mitogenic response. PPL also induced mitogenic activity on mouse splenocytes, however, the maximum SI (1.77±0.09) on mouse splenocytes of PPL was lower than that (2.14±0.15) of concanavalin A. In conclusion, PPL is a metal ion-dependent monomer lectin with mitogenic activity, and could be used as a lymphocyte or splenocyte stimulator. -
Genipin Selectively Inhibits TNF-α-activated VCAM-1 But Not ICAM-1 Expression by Upregulation of PPAR-γ in Human Endothelial Cells
JungSeokHwa, LidiyaMun, HyeJungKim, HanGeukSeo, JaeHeunLee, JongHwanKwak, Dong-UngLee, KiChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.3 6 157-162 (6 pages)
Vascular inflammation process has been suggested to be an important risk factor in the development of atherosclerosis. Recently we reported that induction of peroxisome proliferator-activated receptor-Ճ (PPAR-Ճ) selectively inhibits vascular cell adhesion molecule-1 (VCAM-1) but not intercellular cell adhesion molecule-1 (ICAM-1) in tumor necrosis factor (TNF)-Ձ-activated human umbilical vein endothelial cells (HUVEC). In this study, we investigated whether genipin inhibits... -
Neuroprotective Effect of Visnagin on Kainic Acid-induced Neuronal Cell Death in the Mice Hippocampus
Min-SooKwon, Jin-KooLee, Soo-HyunPark, Yun-BeomSim, Jun-SubJung, Moo-HoWon, Seon-MiKim, Hong-WonSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.5 2 257-263 (7 pages)
Visnagin (4-methoxy-7-methyl-5H-furo[3,2-g][1]-benzopyran-5-one), which is an active principle extracted from the fruits of Ammi visnaga, has been used as a treatment for low blood-pressure and blocked blood vessel contraction by inhibition of calcium influx into blood cells. However, the neuroprotective effect of visnagin was not clearly known until now. Thus, we investigated whether visnagin has a neuroprotective effect against kainic acid (KA)-induced neuronal cell death. In the cresyl violet... -
Direct Block of Cloned K+ Channels, Kv1.5 and Kv1.3, by Cyclosporin A, Independent of Calcineurin Inhibition
BokHeeChoi, SangJuneHahn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.6 7 353-362 (10 pages)
The interaction of cyclosporine A (CsA), an immunosuppressant, with rat brain Kv1.5 (Kv1.5) channels, which were stably expressed in Chinese hamster ovary cells, was investigated using the whole-cell patch-clamp technique. CsA reversibly blocked Kv1.5 currents at 50 mV in a reversible concentration- dependent manner with an apparent IC50 of 1.0μM. Other calcineurin inhibitors (cypermethrin, autoinhibitory peptide) had no effect on Kv1.5 and did not prevent the inhibitory effect of CsA.... -
YS 49, a Synthetic Isoquinoline Alkaloid, Protects Sheep Pulmonary Artery Endothelial Cells from tert-butylhydroperoxide-mediated Cytotoxicity
WonSeogChong, SunYoungKang, YoungJinKang, MinKyuPark, YoungSooLee, HyeJungKim, HanGeukSeo, JaeHeunLee, HyeSookYun-Choi, KiChurlChang 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2005, Vol.9 No.5 5 283-290 (8 pages)
Endothelium, particularly pulmonary endothelium, is predisposed to injury by reactive oxygen species (ROS) and their derivatives. Heme oxygenase (HO) has been demonstrated to provide cytoprotective effects in models of oxidant-induced cellular and tissue injuries. In the present study, we investigated the effects of YS 49 against oxidant [tert-butylhydroperoxide (TBH)]-induced injury using cultured sheep pulmonary artery endothelial cells (SPAECs). The viability of SPAECs was determined by... -
Effect of Defibrotide on Rat Reflux Esophagitis
HyoungKiKim, SooRanChoi, SangJinChoi, MyungSupChio, YongKyooShin 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.6 5 319-328 (10 pages)
This study was aimed at evaluating the effect of defibrotide on the development of the surgically induced reflux esophagitis, on gastric secretion, lipid peroxidation, polymorphonuclear leukocytes (PMNs) accumulation, polymorphonuclear leukocytes adherence, superoxide anion and hydrogen peroxide production in PMNs, scavenge of hydroxyl radical and hydrogen peroxide, cytokine (interleukin-1β, tumor necrosis factor-α) production in blood, and intracellular calcium mobilization in PMNs.... -
Activation of Vestibular Neurons Projecting to Autonomic Brain Stem Nuclei Following Acute Hypotension in Rats
DongOkChoi, ChonIlYon, MyoungAeChoi, ByungRimPark, MinSunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2004, Vol.8 No.4 2 181-186 (6 pages)
Extracellular regulated protein kinase1/2 (pERK1/2) is one of the major regulatory factors for transcription of the c-fos oncogene in neurons. The purpose of this study was to evaluate the expression of phosphorylated ERK1/2 within the vestibular nuclei (VN) of rats following acute arterial hypotension. Following the acute arterial hypotension induced by rapid hemorrhage, a significant number of pERK1/2-immunoreactive neurons appeared bilaterally in the caudal aspect of the medial and inferior... -
Cooperation of Gβ and Gαq Protein in Contractile Response of Cat Lower Esophageal Sphincter (LES)
UyDongSohnTaiSangLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.6 9 349-355 (7 pages)
We previously shown that LES contraction depends on M3 receptors linked to PTX insensitive Gq protein and activation of PLC. This results in production of IP3, which mediates calcium release, and contraction through a CaM dependent pathway. In the esophagus ACh activates M2 receptors linked to PTX sensitive Gi3 protein, resulting in activation of PLD, presumably, production of DAG. We investigated the role of PLC isozymes which can be activated by Gq or Gβ protein on ACh-induced contraction in... -
cAMP-Dependent Signalling is Involved in Adenosine-Stimulated Cl Secretion in Rabbit Colon Mucosa
SaeOckOh, EuiYongKim, JinSupJung, JaeSukWoo, YongKeunKim, SangHoLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.4 14 521-527 (7 pages)
An important property of the intestine is the ability to secrete fluid. The intestinal secretion is regulated by a number of substances including vasoactive intestinal peptide (VIP), ATP and different inflammatory mediators. One of the most important secretagogues is adenosine during inflammation. However, the controversy concerning the underlying mechanism of adenosine-stimulated Cl secretion in intestinal epithelial cells still continues. To investigate the effect of adenosine on... -
Effect of Cisplatin on Sodium-Dependent Hexose Transport in LLC-PK1 Renal Epithelial Cells
SukKyuLee, JeeYeunKim, TaiHyunYu, KyoungRyongKim, KwangHyukKim, YangSaengPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.1 5 35-43 (9 pages)
Cis-dichlorodiammine platinum II (Cisplatin), an effective chemotherapeutic agent, induces acute renal failure by unknown mechanisms. To investigate direct toxic effects of cisplatin on the renal proximal tubular transport system, LLC-PK1 cell line was selected as a cell model and the sugar transport activity was evaluated during a course of cisplatin treatment. Cells grown to confluence were treated with cisplatin for 60 min, washed, and then incubated for up to 5 days. At appropriate... -
두부외상으로 인한 기질성 정신장애 환자 자료의 K-WAIS 요인분석
오상우, 김홍곤, 강종구 대한신경정신의학회 신경정신의학 6 Pages
대한신경정신의학회 신경정신의학 1997, 제 36권 제 5호 11 896-901 (6 pages)
본 연구는 두부 외상후 기질성 정신장애로 진단된 환자의 자료를 토대로 K-WAIS의 요인구조를 탐색해 보았다. 연구 대상자는 17세에서 72세의 남녀 138명으로, 8개월 동안 호남지역에 소재하고 있는 대학병원 신경정신과와 정신과병원에 내원한 두부 외상으로 인한 기질성 정신장애 환자들이었다. 자료분석은 주성분분 석모형을 이용하여 요인분석을 하였다. 기초구조 계산법으로는 주축분해법을 사용하였고, 기초구조에 대한 회전방법으로는 직각회전방식을 사용하였다. K-WAIS의 요인구조를 알아본 결과, 두부 외상후 기질성 정신... -
이자효소 분비에 관여하는 세포 내 조절 단백에 대한 연구
정구용(Ku Yong Chung), 최재원(Jae Won Choi), 최홍순(Hong Soon Choi), 김경환(Kyung Hwan Kim) 대한약리학회 대한약리학잡지 16 Pages
대한약리학회 대한약리학잡지 1996, 제 32권 제 2호 12 243-258 (16 pages)
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고혈압쥐 노화 적혈구에서의 Na, K-ATPase에 관한 연구
박창길(Chang-Kil Park), 허강민(Gang-Min Hur), 석정호(Jung-Ho Seok), 이재흔(Jae-Heun Lee) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1991, 제 27권 제 1호 5 33-44 (12 pages)
고혈압백서(1-kidney, 1-clip-hypertensive rat)의 적혈구에서 노화 과정에 따른 Na, K-ATPase의 변동을 관찰하고자 노화적혈구를 분리한 다음 세포막에서의 Na-pump 활성도 및 ouabain의 결합실험과 Rb의 세포내 유입실험을 시행하여 다음과 같은 결과를 얻었다. 1. 본 실험에 사용한 고혈압 백서의 혈압은 수축기 및 이완기 혈압이 165.5/119.0 mmHg로 유의하게 증가 하였다. 노화 적혈구의 평균용적(MCV)과 세포막 단백질 함량은 감소되고 혈색소치는 증가되었다. 2. 110 mM NaCl 및 10 mM KCI 존재하에서의 적혈구 세포막 Na,... -
Higenamine과 그 유도체들이 흰쥐 미토콘드리아 Monoamine Oxidase 활성에 미치는 영향
서유헌(Yoo Hun Suh), 박혜영(Hae Young Park), 임정규(Jung Kyoo Lim), 박찬웅(Chan Woong ParK) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1984, 제 20권 제 2호 8 73-80 (8 pages)
본 연구에서는 higenamine과 그 유도체들이 백서 뇌 미토콘드리아 Monoamine Oxidase(MAO) 의 활성에 미치는 영향에 관하여 관찰하였다. 시험한 화합물들 중에서 심장의 등장성 수축에는 효과를 나타내지 않는 methoxyhigenamine이 가장 5-hydroxytryptamine(5-HT)과 phenylethylamine(PEA)에 대한 MAO의 활성을 가역적으로 억제시켰으며, 그 억제 양상은 각각 pure competitive형과 hyperbolic mixed 형이었다. 이에 5-HT에 대한 IC50 는 PEA에 대한 것보다 10배 정도 낮아서 MAO-B 보다는 MAO-A에서 더 강한 억제 작용을 나타내었다.... -
적출 가토 심장에 있어서 수축빈도-수축력 상관관계에 대한 Higenamine의 강심 효과
장기철(Ki Churl Chang) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1983, 제 19권 제 2호 2 9-16 (8 pages)
현재 사용되고 있는 강심제로는 디지탈리스 배당체가 유일한 약물이지란 그 안전역이 대단히 좁아서 보다 안전한 강심제의 개발이 요구되고 있다. 최근 강심작용이 현저할 뿐 아니라 안전역이 비교적 넓을 것으로 인정되는 higenamine이 개발되어 그 작용기전을 밝히려는 시도가 많이 있었다. 본 연구에서는 higenamine의 강심작용 기전을 규명하기 위한 연구의 일환으로 수축빈도-수축력 상관관계(interval-strength relationship)에 있어서 1) Rested-state수축력 2) Positive inotropic effect of activation(PIEA) 3) Negative... -
Transepithelial Transport of Organic Cation and Its Inhibition by Sulfhydryl and Carboxyl Reagents in Opossum Kidney Cell Monolayer
Woo, Jae-Suk, Oh, Se-Ok, Jung, Jin-Sup, Kim, Yong-Keun, Lee, Sang-Ho 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1996, 제 30권 제 1호 6 53-62 (10 pages)
a saturable process which can be stimulated by acidification of the apical medium. The apparent Michaelis-Menten constant (Km) and the maximum velocity(Vmax) for the transport were 41 μM and 147 pmole/ mg protein/ min, respectively. The transport was significantly inhibited by unlabelled TEA, amiloride, cimetidine, choline, and mepiperphenidol added to the basolateral side at 1 mM and was slightly inhibited by 5 mM N1-methylnicotinamide (NMN). Unlabelled TEA added to the apical side stimulated... -
Effects of Insulin and IGFS on Growth and Functional Differentiation in Primary Cultured Rabbit Kidney Proximal Tubule Cells -Growth and membrane transport-
Han, Ho-Jae, Park, Kwon-Moo, 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 2호 1 191-202 (12 pages)
The purpose of this study was to compare effects of insulin and IGFs on growth, apical membrane enzyme activities and membrane transport systems of primary cultured rabbit kidney proximal tubule cells. Results were as follows: 1. Insulin and IGF-I produced significant growth stimulatory effects at 5 X 10-10M. IGF-II(5 X 10 -10 M) did not stimulate significant cell growth. 2. Insulin stimulated the phosphorylation of a 97 KD protein. It was difficult to determine whether this band represents... -
Effect of Cyclic Nucleotides on Phorbol Ester-Induced Contraction in Rabbit Carotid Artery
Jung, Dong-Keun, Woo, Jae-Suk, Jung, Jin-Sup, Kim, Yong-Keun, Lee, Sang-Ho 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 1호 4 39-50 (12 pages)
This study was designed to clarify the action of cyclic nucleotides, cyclic AMP and cyclic GMP, on phorbol 12,13-dibutyrate (PDBu)-induced contraction in rings isolated from rabbit carotid artery. Arterial rings, 2 mm in width, were myographied isometrically in an isolated organ bath. PDBu produced slowly developing, sustained contraction in rabbit carotid artery, in a dose dependent manner, which was independent of extracellular Ca2+ PDBu-induced contraction was relaxed by staurosporine, which... -
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)
of Na+ concentration was rather related with the initial Na+ concentration in hypotonic amniotic fluid, showing inverse relationship. Li+ concentration increased only when there was a marked increase in Censored concentration and approached near a maximum value or 1. 4. For hypervolumetric and decreased Censored group, the observations were identical to isovolumetric and decreased Censored group. From these results the following conclusions could be made: 1) There is no net movement of water or... -
A Comparison of Shortening and Shortening Speed in Sartorius, Gastrocnemius and Rectus Abdominis Muscles of Uromastix hardwickii
Fehmeena, S., Azeem, M. Abdul 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1994, 제 28권 제 1호 6 61-70 (10 pages)
shortening (COLS). This coefficient represent the relative Index between change in length (Δ L=L0-L1) and tension (ΔP P0-P1) due to shortening at the steepest rising phase of the twitch and tetanus, recorded at resting length. In addition to this, maximum shortening (Smax) and auxotonic tensions were also determined at resting lengths of these muscles. The COLS was found to express the speed of shortening and auxotonic tensions are suggested to be of value to express the internal architecture ... -
Effect of Various Divalent Ions on the Calcium Current of Adrenal Medullary Chromaffin Cells in the Rat
Kim, Jun, Leem, Chae-Hun, Kim, Sang-Jeong 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1992, 제 26권 제 2호 2 113-122 (10 pages)
maximum amplitude at around +10 mV, and became smaller with progressively higher depolarizing pulses to reverse at around +60 mV. The inactivation time constant (τ), fitted from the long duration test potential (2 sec) was 1295.2±126.8 msec (n=20, 1 day of culture, mean ±S.E.M.) and the kinetic parameters were not altered along the culture duration. Nicardipine (10 μM) blocked the current almost completely. Among treated divalent cations such as Cd2+, Co2+, Ni2+, Zn2+ and ,Mn2+, Cd2+ was the... -
Inhibition of Dicarboxylate Transport by p-chloromercuribenzoic Acid (PCMB) in Plasma Membrane Vesicles of Rabbit Proximal Tubule
Kim, Yong-Keun, Kim, Tae-In, Jung, Jin-Sup, Lee, Sang-Ho 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1991, 제 25권 제 2호 8 179-188 (10 pages)
Effect of a sulfhydryl reagent, p-chloromercuribenzoic acid (PCMB), on the transport of succinate was studied in brush border (BBMV) and basolateral (BLMV) membrane vesicles isolated from rabbit renal cortex. PCMB induced an irreversible inhibition of the Na+-dependent succinate uptake in a dose-dependent manner with IC50 of 55 and 65 μM in BBMV and BLMV, respectively. The inhibitory effect of PCMB was prevented by a pretreatment of vesicles with dithiothreitol. PCMB did not increase Na+... -
가토 신피질 Brush Border Membrane과 Basolateral Membrane Vesicle에서 유기이온의 이동에 대한 동력학적 분석
김용근(Kim, Yong-Keun), 우재석(Woo, Jae-Suk), 이상호(Lee, Sang-Ho) 대한생리학회 대한생리학회지 10 Pages
대한생리학회 대한생리학회지 1987, 제 21권 제 2호 10 273-282 (10 pages)
가토 신피질에서 분리한 brush border membrane (BBM)과 basolateral membrane vesicle (BLM)에서 유기 음이온인 p-aminohippuric acid (PAH)와 유기 양이온인 tetraethylammonium (TEA)의 이동에 대한 동력학적 분석을 하였다. BLM에서 PAH에 대한 Km과 Vmax값은 각각 0.34±0.02 mM과 0.22±0.07 nmol/mg protein/20s였으며 BBM에서 각 값은 8.46±0.57 mM과 4.43±0.40 nmol/mg protein/20s였다. BLM에서 용액내 Na의 제거는 PAH에 대한 Km 값에는 영향없이 Vmax 값을 변화시켰다. BBM에서 TEA이동에 대한 Km과 Vmax 값은 각각... -
테이퍼형 임플란트 고정체 파절: 증례보고 및 유한요소분석
이희진, 김영균 대한치과이식임플란트학회 Journal of Dental Implant Research 6 Pages
대한치과이식임플란트학회 Journal of Dental Implant Research 2015, 제 34권 2호 1 35-40 (6 pages)
치과 임플란트는 완전 무치악, 부분 무치악, 단일 치아 결손 환자 들의 보철 수복물로 널리 사용되고 있다. 비록 임플란트의 초기 성공 률이 90% 이상으로 대단히 높게 보고되고 있지만 사용 중에 임플란 트의 실패 및 파절이 발생되기도 한다1,2). 5년간의 임상적 연구에서 임플란트의 파절률은 0.2∼3.5%로 비교적 낮게 나타나고 있으나 15년 동안의 장기간 추적 연구에서는 기능하는 기간이 길어짐에 따 라 임플란트의 파절률이 증가되는 경향이 보고되었다. -
A Review of the Potency of Plant Extracts and Compounds from Key Families as an Alternative to Synthetic Nematicides: History, Efficacy, and Current Developments
Abraham Okki Mwamula, Md. Faisal Kabir, DongWoon Lee 한국식물병리학회 The Plant Pathology Journal 25 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 2호 1 53-77 (25 pages)
The global nematicides market is expected to continue growing. With an increasing demand for synthetic chemical-free organic foods, botanical nematicides are taking the lead as replacements. Consequently, in the recent years, there have been vigorous efforts towards identification of the active secondary metabolites from various plants. These include mostly glucosinolates and their hydrolysis products such as isothiocyanates; flavonoids, alkaloids, limonoids, quassinoids, saponins, and the more...
