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Headspace Hanging Drop Liquid Phase Microextraction and Gas Chromatography-Mass Spectrometry for the Analysis of Flavors from Clove Buds
Jung. Mi-Jin, Shin. Yeon-Jae, Oh. Se-Yeon, Kim. Nam-Sun, Kim. Kun, Lee. Dong-Sun 대한화학회 Bulletin of the Korean Chemical Society 6 Pages
대한화학회 Bulletin of the Korean Chemical Society 2006, Vol.27 No.2 231-236 (6 pages)
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Analysis of Residual Furan in Human Blood Using Solid Phase Microextraction-Gas Chromatography/Mass Spectrometry (SPME-GC/MS)
Lee. Yun-Kyung, Jung. Seung-Won, Lee. Sung-Joon, Lee. Kwang-Geun 한국식품과학회 Food science and biotechnology 5 Pages
한국식품과학회 Food science and biotechnology 2009, Vol.18 No.2 379-383 (5 pages)
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Characterization of the Aroma of Salt-fermented Anchovy Sauce Using Solid Phase Microextraction-Gas Chromatography-Olfactometry Based on Sample Dilution Analysis
Kim. Hyung-Joo, Baek. Hyung-Hee 한국식품과학회 Food science and biotechnology 4 Pages
한국식품과학회 Food science and biotechnology 2005, Vol.14 No.2 238-241 (4 pages)
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Rapid Analysis of Tetraconazole Residues in Fruits and Vegetables using Ethyl Acetate Extraction and Gas Chromatography-tandem Mass Spectrometry
Xu. Jun, Dong. Fengshou, Liu. Xingang, Li. Jing, Li. Yuanbo, Shan. Weili, Zheng. Yongquan 대한화학회 Bulletin of the Korean Chemical Society 5 Pages
대한화학회 Bulletin of the Korean Chemical Society 2011, Vol.32 No.12 4265-4269 (5 pages)
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Solid phase microextraction-gas chromatograph/pulsed flame photometric detector(SPME-GC/PFPD)와 static headspace-gas chromatograph/pulsed flame photometric detector(SH-GC/PEPD)를 이용한 황 함유 화합물들의 분석 방법 비교
양지연, 김영석, Yang. Ji-Yeon, Kim. Young-Suk 한국식품과학회 한국식품과학회지 7 Pages
한국식품과학회 한국식품과학회지 2005, Vol.37 No.5 695-701 (7 pages)
각각의 황 함유 화합물의 표준곡선을 그렸을 때, linear range의 범위는 $10^2$부터 $10^4$까지의 범위를 보였다. Dimethyl trisulfide가 가장 작은 limit of detection(LOD) 값과 가장 넓은 linear range $(10^4)$를 보이는 반면, methional은 가장 큰 LOD 값과 가장 좁은 linear range$(10^2)$를 가졌다. 각 황 함유 화학물의 분자구조와 PFPD의 황 함유 화합물 분석 원칙에 영향을 받는 것으로 사료된다. 서로 다른 세 종류의 fiber를 사용시, 미세 고체상 추출법(SPME)을 사용했을 때, CAR/PDMS fiber는 가장 좋은 추출 효율을... -
GC/MS analysis of high-performance liquid chromatography fractions from Sophora flavescens and Torilis japonica extracts and their in vitro anti-neosporal effects on Neospora caninum
Hun-Su Seo, Kyoung Hee Kim, Dae-Yong Kim, Bong-Kyun Park, Nam-Shik Shin, Jae-Hoon Kim, Heejeong Youn 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 2 241-248 (8 pages)
We analyzed alcoholic extracts of herbs possessing anti-neosporal activity against Neospora (N.) caninum. To identify the chemical components of Sophora (S.) flavescens and Torilis (T.) japonica associated with anti-neosporal activity, specific fractions were isolated by high-performance liquid chromatography (HPLC). In vitro activity of the fractions against N. caninum was then assessed. Gas chromatography/ mass spectrometry (GC/MS) was used to identify and quantify specific anti-neosporal... -
Kinematic analysis of rowing exercise using a motor-assisted rowing machine for rowers with spinal cord injury
Ju Ri Jeong, Bum Suk Lee, Dae-Sung Park 물리치료재활과학회 Physical Therapy Rehabilitation Science 7 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 1호 12 69-75 (7 pages)
during 10 minutes; 34 reflective markers were attached to their full bodies. Kinematic data were collected using the Vicon motion analysis system. Based on the full body model provided as a default by the equipment. In the rowing exercise, the rowing motions were divided into Drive Phase and Recovery Phase. Results: The two rowing methods differ in handle range, seat range, handle and seat ratio, handle velocity, and seat velocity during static and dynamic rowing. The rowing exercise using a... -
Analysis of antibiotic residues in milk from healthy dairy cows treated with bovine mastitis ointment using ultra-performance liquid chromatography coupled with electrospray tandem mass spectrometry
Eun-kee Park , Yong-jae Ryu , Chun-nam Cha , Chang-yeul Yoo , Suk Kim , Hu-jang Lee 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 7 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2016, 제 56권 제 4호 6 233-239 (7 pages)
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Physiology,Pharmacology,Chemistry : Comparison of Linear and non-Linear equation for the calibration of roxithromycin analysis using Liquid chromatography/mass spectrometry
Jong Hwan Lim , Hyo In Yun 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 7 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2010, 제 50권 제 1호 2 11-17 (7 pages)
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Simultaneous HPLC Analysis of Arachidonic Acid Metabolites in Biological Samples with Simple Solid Phase Extraction
Hyung-GunKim, Young-NaHuh, Kun-SukPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.6 15 779-786 (8 pages)
A reversed-phase high-performance liquid chromatogrphy (RP-HPLC) has been developed to analyze the metabolites of arachidonic acid based on the specificities of ultraviolet absorption of these various metabolites and is sensitive to the nanogram level. This procedure makes it possible to extract complex mixtures of eicosanoids efficiently with a single step and to analyze them simultaneously by RP-HPLC from biological samples using octadesylsilyl silica extraction column and PGB2 as an internal... -
Gas-Liquid Chromatography를 이용한 사과 및 배 중의 농약 다성분 잔류분석법
박주황, 김택겸, 오창환, 김정한, 이영득, 김장억, Park. Ju-Hwang, Kim. Taek-Kyum, Oh. Chang-Hwan, Kim. Jeong-Han, Lee. Young-Deuk, Kim. Jang-Eok 한국환경농학회 한국환경농학회지 10 Pages
한국환경농학회 한국환경농학회지 2004, Vol.23 No.3 148-157 (10 pages)
사과 및 배 시표에서 농약 다성분의 gas chromatography를 이용한 잔류분석법 확립을 위하여 199가지의 농약을 선정하여 retention time 및 검출기에 따라 ECD 5 그룹 및 NPD 5 그룹의 10개 그룹으로 분류하였다. 시료의 종류에 따른 분석조건을 확립하기 위한 회수율 시험은 농약들의 log $P_{ow}$ 값과 화학적 분류에 따라 총 18개 (ECD 11개, NPD 7개)의 농약을 선정하였다. 예비 실험 후 확립된 분석방법에 따라 10개 그룹의 혼합 표준용액으로 사과 및 배에 대한 회수율시험을 행하였다. 그 결과, 총 196가지의 농약의 70%에... -
Liquid Chromatography-Mass/Mass Spectrometry (MS)와 Gas Chromatography-MS를 이용한 농축 액상 비료제품 중 Indole-3-acetic acid 및 Indole-3-butyric acid 정량분석능 비교
김진효, 박종민, 최근형, 박연기, 임건재, 김두호, 권오경, Kim. Jin Hyo, Park. Jong Min, Choi. Geun-Hyoung, Park. Yun-Ki, Im. Geon-Jae, Kim. Doo-Ho, Kwon. Oh-Kyung 한국응용생명화학회 Journal of applied biological chemistry 5 Pages
한국응용생명화학회 Journal of applied biological chemistry 2013, Vol.56 No.1 53-57 (5 pages)
비료제품에는 의도적 혹은 비의도적으로 농약으로 등록된 indole-3-acetic acid (IAA) 및 indole-3-butyric acid (IBA)성분에 대한 잔류 가능성이 꾸준히 제기되고 있으나, 생장조정제가 아닌 비료제품에서 mg/L 수준의 옥신류 잔류분석법이 마련되어 있지 않았다. 따라서, 본 연구에서는 생체시료에 미량 잔류하는 IAA 및 IBA 분석에 사용되어 온 liquid chromatography-mass/mass spectrometry (LC-MS/MS)와 gas chromatography-MS 기기분석법을 활용하여 농축 액상비료제품에 적용할 수 있는지 조사하였으며, 액상 비료제품에 적용... -
Gas chromatograph-mass selective detector를 이용한 식육 중 잔류농약의 동시분석
홍인석, 최윤화, 권택부, 이정학, Hong. In-Suk, Choi. Yoon-Hwa, Kweon. Taek-Boo, Lee. Jung-Hark 한국가축위생학회 韓國家畜衛生學會誌 10 Pages
한국가축위생학회 韓國家畜衛生學會誌 2005, Vol.28 No.3 285-294 (10 pages)
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Berberine Prevents Intestinal Mucosal Barrier Damage During Early Phase of Sepsis in Rat through the Toll-Like Receptors Signaling Pathway
Guo-xunLi, Xi-moWang, TaoJiang, Jian-fengGong, Ling-yingNiu, NingLi 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.1 1 1-8 (8 pages)
Our previous study has shown berberine prevents damage to the intestinal mucosal barrier during early phase of sepsis in rat through mechanisms independent of the NOD-like receptors signaling pathway. In this study, we explored the regulatory effects of berberine on Toll-like receptors during the intestinal mucosal damaging process in rats. Male Sprague-Dawlay (SD) rats were treated with berberine for 5 d before undergoing cecal ligation and puncture (CLP) to induce polymicrobial sepsis. The... -
Applications of carbon-based materials in solid phase micro-extraction: a review
Jian Guo, Soo-Jin Park, Long-Yue Meng, Xinghua Jin 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 2 10-17 (8 pages)
With continuous development in the field of sample preparation technology, solid phase micro-extraction (SPME) has been widely used in analytical chemistry for high extraction efficiency and convenient operation. Different materials lead to different extraction results. Among existing materials, carbon-based materials are still attracting attention from scientists due to their excellent physical and chemical properties as well as their modifiable surfaces, which could enhance the adsorption... -
Headspace Solid-phase Microextraction을 이용한 시판 복분자주의 휘발성분 분석
이승주, Lee. Seung-Joo 한국식품과학회 한국식품과학회지 7 Pages
한국식품과학회 한국식품과학회지 2014, Vol.46 No.4 425-431 (7 pages)
국내 주요 시판 복분자주 24종을 수거하여 시료의 휘발성 향기성분을 HS-SPME법에 의해 추출한 후, GC-MS를 이용하여 분석 동정하였고 이들 성분의 정량 분석도 실시하였다. 총 43개의 성분이 동정되었고, 화학적 특성에 따라 분류하면 15 esters, 3 ketones, 7 alcohols, 2 aldehydes, 12 terpene류, 4 acids 성분이 동정되었다. ethyl acetate, ethyl octanoate, isoamyl alcohol, phenethyl alcohol이 동정된 성분중 높은 농도를 차지하였고, 그 외 ethyl hexanoate, ethyl decanoate, benzadehyde, dL-limonene, linalool,... -
Thiazole 또는 Pyrazine유도성 Microsomal Epoxide Hydrolase의 순수정제: Epoxide Hydrolase-관련성 43 kDa 단백질의 유도증가
김상건(Sang Geon Kim ) 대한약리학회 대한약리학잡지 8 Pages
대한약리학회 대한약리학잡지 1993, 제 29권 제 2호 13 275-282 (8 pages)
Microsomal epoxide hydrolase (mEH)은 epoxide형 중간대사물을 해독화하는 효소이다. 본 실험실에서는 thiazole 또는 pyrazine을 rat에 투여할 때 mEH mRNA수준이 증가되고 mEH가 유도증가한다는 것을 밝힌바 있다(Carcinogenesis, Kim et al, 1993). 본 연구에서는 Thiazole처리를 한 rat의 간 microsome 분획으로 부터 DEAE-cellulose column chromatography를 이용하여 mEH를 순수분리하였고, 이를 SDS-PAGE분석 및 N 말단 amino acid 서열분석으로 확인하였다. Pyrazine처리를 한 rat의 간 microsome분획에서는 mEH와 더불어 이와... -
Double-walled carbon nanotubes: synthesis, structural characterization, and application
Yoong Ahm Kim, Kap-Seung Yang, Hiroyuki Muramatsu, Takuya Hayashi, Morinobu Endo, Mauricio Terrones, Mildred S. Dresselhaus 한국탄소학회 Carbon Letters 12 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.2 4 77-88 (12 pages)
Double walled carbon nanotubes (DWCNTs) are considered an ideal model for studying the coupling interactions between different concentric shells in multi-walled CNTs. Due to their intrinsic coaxial structures they are mechanically, thermally, and structurally more stable than single walled CNTs. Geometrically, owing to the buffer-like function of the outer tubes in DWCNTs, the inner tubes exhibit exciting transport and optical properties that lend them promise in the fabrication of field-effect... -
Modern Methods for Analysis of Antiepileptic Drugs in the Biological Fluids for Pharmacokinetics, Bioequivalence and Therapeutic Drug Monitoring
JuseopKang, Yoo-SinPark, Shin-HeeKim, Sang-HyunKim, Min-YoungJun 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 16 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.2 1 67-82 (16 pages)
of AEDs in biological fluids is a necessity in order to explore pharmacokinetics, bioequivalence and TDM in various clinical situations. There are hundreds of published articles on the analysis of specific AEDs by a wide variety of analytical methods in biological samples have appears over the past decade. This review intends to provide an updated, concise overview on the modern method development for monitoring AEDs for pharmacokinetic studies, bioequivalence and therapeutic drug monitoring. -
Effects of synthesis pressure conditions on the preparation of graphene-like carbonaceous materials from organic liquid precursors by a solvothermal method
Kwan-Woo Kim, Byoung Suhk Kim, Sang Won Lee, Dong Chul Chung, Byung-Joo Kim 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2017, Vol.23 11 74-78 (5 pages)
Carbon materials with at least one dimension of 1?100 nm are called carbon nanomaterials. A significant body of previous research in physics, chemistry and biology has demonstrated that the properties of nano-composites are significantly different than those of the bulk materials [1]. Some unique phenomena, such as the quantum tunneling effect, and surface effects, have also been observed, and attributed to the large surface area and small size of the carbon nanomaterials. It has been reported... -
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... -
Effect of β -mercaptoethanol or epidermal growth factor supplementation on in vitro maturation of canine oocytes collected from dogs with different stages of the estrus cycle
Min Kyu Kim, Yuda Heru Fibrianto, Hyun Ju Oh, Goo Jang, Hye Jin Kim, Kyu Seung Lee, Sung Keun Kang, Byeong Chun Lee, Woo Suk Hwa 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 11 253-258 (6 pages)
Supplementation of β-mercaptoethanol (β-ME) in in vitro maturation (IVM) medium was shown to improve embryo development and quality in several species. Epidermal growth factor (EGF) was also shown to improve IVM of human oocyte and embryo development after in vitro fertilization (IVF). The effect of these two compounds were suggested to be mediated through the synthesis of glutathione (GSH) which is known to play an important role in protecting the cell or embryos from oxidative damage. Thus,... -
Extracellular acidity enhances tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-mediated apoptosis via DR5 in gastric cancer cells
Ran Hong, Song Iy Han 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.5 5 513-523 (11 pages)
ligand (TRAIL). Consistently, the acidity at pH 6.5 increased mRNA levels of DR4 and DR5 genes, and also elevated protein expression of both death receptors as detected by immunoblotting. Gene silencing analysis showed that of these two receptors, the major role in this effect was played by DR5. Therefore, these results suggest that extracellular acidity can sensitize TRAIL-mediated apoptosis at least partially via DR5 in GCs while it confers resistance to various type of chemotherapeutic drugs. -
Alleviation of ascorbic acid-induced gastric high acidity by calcium ascorbate in vitro and in vivo
Joon-KyungLee, Sang-HyukJung, Sang-EunLee, Joo-HuiHan, EunjiJo, Hyun-SooPark, Kyung-SunHeo, DeasunKim, Jeong-SookPark, Chang-SeonMyung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2018, Vol.22 No.1 4 35-42 (8 pages)
Ascorbic acid is one of the most well-known nutritional supplement and antioxidant found in fruits and vegetables. Calcium ascorbate has been developed to mitigate the gastric irritation caused by the acidity of ascorbic acid. The aim of this study was to compare calcium ascorbate and ascorbic acid, focusing on their antioxidant activity and effects on gastric juice pH, total acid output, and pepsin secretion in an in vivo rat model, as well as pharmacokinetic parameters. Calcium ascorbate and... -
Inhibitory Effects of ECQ on Indomethacin-Induced Gastric Damage in Rats
JuhoJung, YoonjinNam, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 5 399-404 (6 pages)
the greater curvature, and the surface area of gastric lesion was measured using optical microscope. Superoxide dismutase (SOD), catalase (CAT), myeloperoxidase (MPO) activities and malondialdehyde (MDA) levels were measured by ELISA. Western blot analysis was performed to detect protein expression of SOD-2. Linear hemorrhagic mucosal lesions were observed in the stomach 6 hours after oral administration of indomethacin. Pretreatment with ECQ significantly reduced the severity of the lesions in... -
The Effects of Glutamate NMDA Receptor Antagonist MK-801 on Gastrointestinal Motility after Middle Cerebral Artery Occlusion in Rats
NasirHussinAmeer, JaeHeeLee, MyoungAeChoi, Guang-ShiJin, MinSunKim, ByungRimPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.3 6 151-156 (6 pages)
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p38 MAPK Participates in Muscle-Specific RING Finger 1-Mediated Atrophy in Cast-Immobilized Rat Gastrocnemius Muscle
JunghwanKim, Kyung-JongWon, HwanMyungLee, Byong-YongHwang, Young-MinBae, WhanSooChoi, HyukSong, KiWonLim, Chang-KwonLee, BokyungKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.6 13 491-496 (6 pages)
of the rat gastrocnemius muscle. Histological analysis revealed that cast immobilization induced the atrophy of the gastrocnemius muscle, with diminution of muscle weight and cross-sectional area after 14 days. Cast immobilization significantly elevated the expression of MuRF1 and the phosphorylation of p38 MAPK. The starvation of L6 rat skeletal myoblasts under serum-free conditions induced the phosphorylation of p38 MAPK and the characteristics typical of cast-immobilized gastrocnemius muscle.... -
The Inhibitory Effect of Quercetin-3-O-β-D-Glucuronopyranoside on Gastritis and Reflux Esophagitis in Rats
YoungSilMin, SeEunLee, SeungTaeHong, HyunSikKim, Byung-ChulChoi, SangSooSim, WanKyunWhang, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2009, Vol.13 No.4 5 295-300 (6 pages)
It was evaluated the inhibitory action of quercetin-3-O-Ղ-D-glucuronopyranoside (QGC) on reflux esophagitis and gastritis in rats. QGC was isolated from the herba of Rumex Aquaticus. Reflux esophagitis or gastritis was induced surgically or by administering indomethacin, respectively. Oral QGC decreased ulcer index, injury area, gastric volume, and acid output and increased gastric pH as compared with quercetin. Furthermore, QGC significantly decreased gastric lesion sizes induced by... -
Voltage-dependent Ca2＋ Current Identified in Freshly Isolated Interstitial Cells of Cajal (ICC) of Guinea-pig Stomach
YoungChulKim, HikaruSuzuki, Wen-XieXu, HikaruHashitani, WoongChoi, Hyo-YungYun, Seon-MeePark6, SeiJinYoun6, Sang-JeonLee, SangJinLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 6 323-330 (8 pages)
The properties of voltage dependent Ca2＋ current (VDCC) were investigated in interstitial cells of Cajal (ICC) distributed in the myenteric layer (ICC-MY) of guinea-pig antrum. In tissue, ICC-MY showed c-Kit positive reactions and produced driving potentials with the amplitude and frequency of about 62 mV and 2 times min−1, respectively, in the presence of 1</SUP>ՌM nifedipine. Single ICC-MY isolated by enzyme treatment also showed c-Kit immunohistochemical reactivity. These... -
G Protein-Coupled Receptor Signaling in Gastrointestinal Smooth Muscle
UyDongSohn, DongSeokKim, KarnamSMurthy 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 11 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2001, Vol.5 No.4 1 287-297 (11 pages)
Contraction of smooth muscle is initiated by an increase in cytosolic Ca2 leading to activation of Ca2/ calmodulin-dependnet myosin light chain (MLC) kinase and phosphorylation of MLC. The types of contraction and signaling mechanisms mediating contraction differ depending on the region. The involvement of these different mechanisms varies depending on the source of Ca2 and the kinetic of Ca2 mobilization. Ca2 mobilizing agonists stimulate different... -
Nitroxergic Nerve Relaxes Rat Gastric Smooth Muscle by NO-cGMP Pathway
YoongSamYoon, HyoungChulChoi, YoungSookJung, JongHoKim, KwangYounLee, UyDongSohn, JeoungHeeHa, WonJoonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2000, Vol.4 No.5 5 369-378 (10 pages)
This study was undertaken to investigate an involvement of nitroxergic innervation in gastric smooth muscle of rat. Isometric tension study, the measurement of single cell length, NADPH diaphorase stain of smooth muscle layers and neuronal nitric oxide synthase (nNOS) western blotting were performed. Sodium nitroprusside (SNP), a nitric oxide donor, relaxed the muscle strips precontracted by acetylcholine (ACh) in a concentration-dependent manner. Pretreatment of L-arginine decreased the... -
Protective Mechanism of Nitric Oxide and Mucus against Ischemia/ Reperfusion-Induced Gastric Mucosal Injury
HyeyoungKim, KwangsooNam, KyungHwanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.4 13 511-519 (9 pages)
This study investigated the role of nitric oxide on the oxidative damage in gastric mucosa of rats which received ischemia/reperfusion and its relation to mucus. Nitric oxide synthesis modulators such as L-arginine and NG-nitro-L-arginine methyl ester, and sodium nitroprusside, a nitric oxide donor, were injected intraperitoneally to the rats 30 min prior to ischemia/reperfusion which was induced by clamping the celiac artery and the superior mesenteric artery for 30 min and reperfusion for 1... -
Cromakalim Blocks Membrane Phosphoinositide Activated Signals in the Guinea Pig Lung Mast Cells Stimulated with Antigen-Antibody Reactions
JaiYoulRo, JiYoungKim, KyungHwanKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.2 14 251-260 (10 pages)
Cromakalim (BRL 34915), known as an airway smooth muscle relaxant, inhibited the releases of mediators in the antigen-induced mast cell activation. It has been suggested that cromakalim, in part, inhibited mediator releases by inhibiting the initial increase of 1,2-diacylglycerol (DAG) produced by the activation of the other phospholipase system which is different from phosphatidylcholine-phospholipase D pathway. The aim of this study is to further examine the inhibitory mechanism of cromakalim... -
The Inhibitory Mechanism of Aloe Glycoprotein (NY945) on the Mediator Release in the Guinea Pig Lung Mast Cell Activated with Antigen-Antibody Complexes
JaiYoulRo, ByungChulLee, MyungHeeChung, SeungKiLee, ChungKiSung, KyungHwanKim, YoungInPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 13 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.1 15 119-131 (13 pages)
It has been reported that the g1ycoprotein extracted from A10e has strong anti-inflammatory response， However， there has been no research report yet about the effect of A10e on allergic hypersensitivity reactivity， By using guinea pig 1ung mast cells， this study aimed to examine the effects of A10e g1ycoprotein (NY945) on the mediator re1eases caused by mast cell activation， and a1so aimed to assess the effects of NY945 on the mechanism of mediator re1eases in the mast cell activation. We...
