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A Simple and Accurate Method for Determining Antioxidative Activity
JinWooBaeMooHongLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 5 275-278 (4 pages)
oxidative stress. The usual methods for determining antioxidative activity are time-consuming and cumbersome. They are also indirect processes that use biological material such as brain or liver microsome. This study therefore proposed a new method. Redoxpotential was determined using galvanic cell with or without the addition of various antioxidants or herbal extracts in zinc sulfate solution. The result was compared with the results from the TBA method and the peroxide value from sodium... -
The Action of Acetylcholine on the End-Plate Potential
Koh, Il-Sup 대한생리학회 대한생리학회지 8 Pages
대한생리학회 대한생리학회지 1975, 제 9권 제 2호 6 41-48 (8 pages)
at the end-plate membrane to reach the sodium equilibrium potential is due to the stimulating action of acetylcholine on Na+-K+ pump. This action of acetylcholine causes an enormous increase in the K+ transport rate. The quantitative amount of potassium ions in the inside of the end-plate membrane prevented the permeability of sodium ions during the depolarization phase of the action potential. It would favor the changes in the shape of action potential by acetylcholine which are always toward a... -
Prevalence, toxin gene profile, antibiotic resistance, and molecular characterization of Clostridium perfringens from diarrheic and non-diarrheic dogs in Korea
Jung-Whan Chon, Kun-Ho Seo, Dongryeoul Bae, Ji-Hee Park, Saeed Khan, Kidon Sung 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 3호 6 368-374 (7 pages)
Clostridium perfringens causes diarrhea and other diseases in animals and humans. We investigated the prevalence, toxin gene profiles, and antibiotic resistance of C. perfringens isolated from diarrheic dogs (DD) and non-diarrheic dogs (ND) in two animal hospitals in Seoul, Korea. Fecal samples were collected from clinically DD (n = 49) and ND (n = 34). C. perfringens was isolated from 31 of 49 DD (63.3%) and 21 of 34 ND dogs (61.8%). All C. perfringens strains were positive for the ... -
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... -
Effects of administration of IH901, a ginsenoside intestinal metabolite, on muscular and pulmonary antioxidant functions after eccentric exercise
Nam-Jin Lee, Jung-Won Lee, Jong- Hwan Sung, Yeoung-Gyu Ko, Seongsoo Hwang, Jong-Koo Kang 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 3 249-256 (8 pages)
This study was conducted to investigate whether administration of IH901, a ginseng intestinal metabolite, ameliorates exercise-induced oxidative stress while preserving antioxidant defense capability in rat skeletal muscles and lung. Eight adult male Sprague-Dawley rats per group were randomly assigned to the resting control, exercise control, resting with IH901 (25, 50, and 100 mg/kg) consumption (R/IH901), or exercise with IH901 (25, 50, and 100 mg/kg) consumption (E/IH901) group. The trained... -
Pathotyping avian pathogenic Escherichia coli strains in Korea
Yong-Wun Jeong, Tae-Eun Kim, Jae-Hong Kim*, Hyuk-Joon Kwon* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 2호 5 145-152 (8 pages)
To examine the genetic background of avian pathogenic Escherichia coli (APEC) that affects virulence of this microorganism, we characterized the virulence genes of 101 APEC strains isolated from infected chickens between 1985∼2005. Serotypes were determined with available anti-sera and median lethal doses were determined in subcutaneously inoculated chicks. The virulence genes we tested included ones encoding type 1 fimbriae (fimC), iron uptake-related (iroN, irp2, iucD, and fyuA), toxins (lt,... -
In vitro maturation and fertilization of prepubertal and pubertal black Bengal goat oocytes
Momena Khatun, Mohammad Musharraf Uddin Bhuiyan, Jalal Uddin Ahmed, Aminul Haque, Mohammad Bozlur Rahman*, Mohammed Shamsuddin 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 11 75-82 (8 pages)
Oocytes retrieval, in vitro maturation (IVM) and fertilization (IVF) efficiency are inevitable steps towards in vitro production of embryos. In the present study, these parameters were investigated in the ovaries of prepubertal (n = 31) and pubertal (n = 61) black Bengal goats obtained from a slaughterhouse. Nuclear maturation was evaluated upon aspiration and following IVM in TCM-199 (Earle's salt with L-glutamine and sodium bicarbonate) for 27 h at 39C under 5% CO2 in humidified air. The... -
Effect of probiotic containing Saccharomyces boulardii on experimental ochratoxicosis in broilers: hematobiochemical studies
S. B. Agawane, P. S. Lonkar 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 4호 12 359-367 (9 pages)
In the present investigation, the toxicopathological effects of ochratoxin A of 0.5 ppm on hematobiochemical parameters of broilers were studied with efficacy of dietary concentration of probiotic containing yeast culture Saccharomyces boulardii of 10 mg/kg of feed. One hundred twenty day old chicks were randomly divided into four groups, thirty chicks each. Groups A and C chicks were offered normal feed and that added with probiotic Saccharomyces boulardii respectively. The birds in group B... -
Original Article : Evaluation of thermally cross-linked superparamagnetic iron oxide nanoparticles for the changes of concentration and toxicity on tissues of Sprague-Dawley rats
Jin Joo Hue , Hu Jang Lee , Sang Yong Jon , Sang Yoon Nam , Young Won Yun , Jong Soo Kim , Beom Jun Lee 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 8 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2014, 제 54권 제 4호 8 245-252 (8 pages)
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Short Communication : Loop-mediated isothermal amplification assay for the detection of Salmonella spp. in pig feces
Yong Kwan Kim , Ha Young Kim , Albert Byungyun Jeon , Myoung Heon Lee , You Chan Bae , Jae Won Byun 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 3 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2014, 제 54권 제 2호 8 113-115 (3 pages)
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Isolation, characterization, and evaluation of Bacillus thuringiensis isolated from cow milk
Chang Hee Kweon , Sang Yoon Choi , Hyog Young Kwon , Eun Hye Kim , Hyun Mi Kang , Jin San Moon , Geum Chag Jang , Hee So 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 8 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2012, 제 52권 제 3호 4 169-176 (8 pages)
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Effects of thermoforming on the physical and mechanical properties of thermoplastic materials for transparent orthodontic aligners
Jeong-Hyun Ryu, Jae-Sung Kwon, Heng Bo Jiang, Jung-Yul Cha, Kwang-Mahn Kim 대한치과교정학회 The Korean Journal of Orthodontics 10 Pages
대한치과교정학회 The Korean Journal of Orthodontics 2018, 제 48권 제 5호 5 316-325 (10 pages)
Objective: The aim of this systematic multiscale analysis was to evaluate the effects of thermoforming on the physical and mechanical properties of thermoplastic materials used to fabricate transparent orthodontic aligners (TOAs). Methods: Specimens were fabricated using four types of thermoplastic materials with different thicknesses under a thermal vacuum. Transparency, water absorption and solubility, surface hardness, and the results of three-point bending and tensile tests were evaluated... -
Development and Application of an Experience Activity Task related to New and Renewable Energies and Energy Conversion in Middle School Technology and Home Economics
Dong-Yeon Park, Kyung Taek Lee 한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 14 Pages
한국교원대학교 뇌기반교육연구소 Brain, Digital, & Learning 2018, 제 8권 제 4호 3 165-178 (14 pages)
This study aims to develop an experience activity task that can be applied to real life to understand new and renewable energy and energy conversion in the unit of energy and transportation technology of middle school technology and home economics. In the preparation stage for the development of this experience task, the 2015 revised curriculum and relevant researches were reviewed to establish achievement standards and instructional goals, and the content of the textbook energy and... -
Effect of Lutein on L-NAME-Induced Hypertensive Rats
JiHoonSung, YoungSooJo, SuJinKim, JeongSooRyu, MyungChulKim, HyunJuKo, SangSooSim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2013, Vol.17 No.4 12 339-345 (7 pages)
We investigated the antihypertensive effect of lutein on NG-nitro-L-arginine methyl ester hydrochloride (L-NAME)-induced hypertensive rats. Daily oral administration of L-NAME (40 mg/kg)-induced a rapid progressive increase in mean arterial pressure (MAP). L-NAME significantly increased MAP from the first week compared to that in the control and reached 193.3±9.6 mmHg at the end of treatment. MAP in the lutein groups was dose-dependently lower than that in the L-NAME group. Similar results were... -
Microarray Analysis of Gene Expression Profiles in Response to Treatment with Melatonin in Lipopolysaccharide Activated RAW 264.7 Cells
JuYeonBan, BumSikKim, SooCheolKim, DongHwanKim, Joo-HoChung 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.1 4 23-30 (8 pages)
Melatonin, which is the main product of the pineal gland, has well documented antioxidant and immune-modulatory effects. Macrophages produce molecules that are known to play roles in inflammatory responses. We conducted microarray analysis to evaluate the global gene expression profiles in response to treatment with melatonin in lipopolysaccharide (LPS) activated RAW 264.7 macrophage cells. In addition, eight genes were subjected to real-time reverse transcription polymerase chain reaction... -
Gender-Related Differences in a Process of the Age-Dependent Alterations of the Elements in Monkey Sino-Atrial Node
HiroyasuSatoh, SetsukoTohno, TakeshiMinami, TakaoOishi, MotoharuHayashi, YoshiyukiTohno 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2010, Vol.14 No.5 1 249-256 (8 pages)
Gender differences in the trace elements of monkey sino-atrial (SA) node were investigated in a process of age-dependent alterations. Sixty hearts from Japanese and rhesus monkeys (30 male and 30 female) used were aged ranging from 1-day- to 30-year-old. The elements were analyzed using an inductively coupled plasma-atomic emission spectrometer (ICP-AES). Advancing age decreased all the trace elements. Ca, P, S and Mg significantly decreased. The correlation coefficients of Ca and P were... -
The Effect of Caffeic Acid on Wound Healing in Skin-incised Mice
HoSunSong, TaeWookPark, UyDongSohn, YongKyooShin, ByungChulChoi, ChangJongKim, SangSooSim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 9 343-348 (6 pages)
This study was carried out to investigate the wound healing effect of caffeic acid in skin-incised mice. Caffeic acid showed significant effects on anti-inflammatory activity and wound healing, such as myeloperoxidase activity, lipid peroxidation, phospholipase A2 activity and collagen-like polymer synthesis, in incised-wound tissue. On the other hand, it significantly stimulated collagen-like polymer synthesis in NIH 3T3 fibroblast cells, while inhibited both silica-induced reactive oxygen... -
In Vitro Cytotoxicity of Novel Platinum(II) Coordination Complexes Containing Diaminocyclohexane and Diphenylphosphines
Jee-ChangJung, Young-KyuKim, Seung-JoonPark, Joo-HoChung, Sung-GooChang, Kyung-TaeLee, Min-SonBaek, Jong-JipPark, Young-SooRho 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1998, Vol.2 No.3 15 395-401 (7 pages)
We have synthesized new platinum(II) analogs containing 1,2-diaminocyclohexane (dach) as a carrier ligand, 1,3-bis(diphenylphosphino) propane (DPPP) /1,2-bis(diphenylphosphino)ethane (DPPE) as a leaving group and nitrates to improve solubility. In the present study, the cytotoxicity of [Pt(trans-l-dach)(DPPP)]·2NO3 (KHPC-001) and [Pt(trans-l-dach)(DPPE)]·2NO3 (KHPC-002) was evaluated and compared on various P-388 cancer cell lines and porcine kidney cell line (LLC-PK1). The new platinum... -
강진 월남사지 출토 금동풍탁 제작에 적용된 주조와 도금방법 연구
이재성, 전익환 한국대학박물관협회 고문화 25 Pages
한국대학박물관협회 고문화 2017, 제90집 2 25-49 (25 pages)
강진 월남사지에서 출토된 금동풍탁은 방형의 각 면에 범자를 새기고, 외관을 금으로 도금한 풍탁으로 현재까지 출토된 풍탁들 중에서도 큰 것에 속한다. 금빛의 대형 금동풍탁은 전성기 월남사의 규모와 높은 사격(寺格)을 보여주는 유물이다. 이처럼 중요한 의미를 가지는 금동풍탁을 과학적인 방법으로 분석하여 제작에 적용된 주조와 도금방법을 살펴보았다. 금동풍탁은 액상의 청동합금을 형틀에 부어 비교적 천천히 냉각시켜 만든 것으로 고온에서의 단조 작업이나 담금질은 수행되지 않았다. 천판을 보수한 부분은 탁신과는 다른... -
Higenamine의 합성 및 가토의 심혈관계에 미치는 영향 : 베타-아드레날린성 효능 약물
장기철(Ki-Churl Chang), 임정규(Jung-Kyoo Lim), 박찬웅(Chan-Woong Park) 대한약리학회 대한약리학잡지 9 Pages
대한약리학회 대한약리학잡지 1986, 제 22권 제 2호 3 96-104 (9 pages)
최근에 미나라아제비과 (Ranunculaceae)에 속하는 부자(Aconiti tuber)로부터 강심작용을 나타내는 성분을 분리하여 Higenamine이라 명명하였고 그 작용기전을 밝히려는 시도가 활발히 진행되고 있다. 그러나 생약제로 부터 얻을 수 있는 Higenamine은 극히 미량이고 그 과정 또한 복잡하다. 따라서 본 연구에서는 유효성분을 대량 얻기 위한 방법으로서 전합성(total Synthesis)을 시도하였으며 IR, UV, NMR 및 elemental 분석등을 통하여 합성된 물질을 확인하였으며 가토에 대하여 in vivo에서 혈압, 심박동수, 호흡 및 말초저항에... -
Nitrofurantion이 폐장 미크로솜 지질과산화와 반응성 산소 라디칼 생성에 미치는 영향
백재승(Jae-Seung Paick), 김시황(Si-Whang Kim), 김혜원(Hae-Won Kim), 정명희(Myung-Hee Chung), 김명석(Myung-Suk Kim) 대한약리학회 대한약리학잡지 15 Pages
대한약리학회 대한약리학잡지 1985, 제 21권 제 1호 4 34-48 (15 pages)
항균제 nitrofurantion에 의한 폐독작용의 생화학적 기전을 규명하기 위한 연구 일환으로 in vitro에서 폐장 microsome 지질의 과산화 및 반응성 산소 radical (O2-⋅, H2O2, OH⋅, 1O2)의 생성에 대한 nitrofurantion의 영향과 양자 간의 상호 관련성을 검토하였다. Nitrofurantion은 호기성 반응 조건에서 돼지 폐장 microsome의 NADPH 의존성 지질 과산화를 용량 의존적으로 증가시킬 뿐 아니라 O2-⋅, H2O2 및 두 radical의 상호 작용으로 2차적으로 형성되는 OH⋅의 생성 또한 촉진하였으며 1O2생성은 관찰되지... -
Identification of Adenosine 5 -Tetraphosphate in Rabbit Platelets and its Metabolism in Blood
Lee, Joong-Woo, Jeon, Sang-Jun, Kong, In-Deok, Jeong, Seong-Woo 대한생리학회 대한생리학회지 8 Pages
대한생리학회 대한생리학회지 1995, 제 29권 제 2호 3 217-224 (8 pages)
Adenosine 5 -tetraphosphate (ATPP) was identified and quantified in extracts of rabbit platelets by elution of extracts containing authentic adenosine 5 -tetraphosphate and comparison of retention time with nucleotide standards using high-performance liquid chromatography technique. The amount of adenosine 5 -tetraphosphate was 0.62 nmoles/109 cells which was 62-fold lower than that of ATP but only 10-fold lower than that of ADP. During platelet aggregation induced by thrombin, adenosine 5... -
Variability of Stem-Base Infestation and Coexistence of Fusarium spp. Causing Crown Rot of Winter Wheat in Serbia
Radivoje Jevtić;Nemanja Stošić;Vesna Župunski;Mirjana Lalošević;Branka Orbović 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 6호 2 553-563 (11 pages)
also significantly influenced DIs (P < 0.001). Aggregation of infected plants influenced variability of DI estimations, and it was pointed out that more extensive investigation should be conducted on broad range of DI in order to establish sampling method giving uniform sampling precision. Fusarium graminearum was shown to be predominant Fusarium species in Serbia (72.6%) using sequence-characterized amplified region analysis. Interestingly F. oxysporum was isolated in higher frequencies (27.4%)... -
Inhibitory Abilities of Bacillus Isolates and Their Culture Filtrates against the Gray Mold Caused by Botrytis cinerea on Postharvest Fruit
Xiaomeng Chen, Yajie Wang, Yu Gao, Tongguo Gao, Dongdong Zhang 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 4 425-436 (12 pages)
Botrytis cinerea, a major phytopathogenic fungus, has been reported to infect more than 200 crop species worldwide, and it causes massive losses in yield. The aim of this study was to evaluate the inhibitory abilities and effects of Bacillus amyloliquefaciens RS-25, Bacillus licheniformis MG-4, Bacillus subtilis Z-14, and Bacillus subtilis Pnf-4 and their culture filtrates and extracts against the gray mold caused by B. cinerea on postharvest tomato, strawberry, and grapefruit. The results... -
Characterization of the rcsA Gene from Pantoea sp. Strain PPE7 and Its Influence on Extracellular Polysaccharide Production and Virulence on Pleurotus eryngii
한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 3호 6 276-287 (12 pages)
RcsA is a positive activator of extracellular polysaccharide (EPS) synthesis in the Enterobacteriaceae. The rcsA gene of the soft rot pathogen Pantoea sp. strain PPE7 in Pleurotus eryngii was cloned by PCR amplification, and its role in EPS synthesis and virulence was investigated. The RcsA protein contains 3 highly conserved domains, and the C-terminal end of the open reading frame shared significant amino acid homology to the helix-turn-helix DNA binding motif of bacterial activator proteins.... -
Control of Basal Stem Rot Disease in Oil Palm by Supplementation of Calcium, Copper, and Salicylic Acid
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 5호 3 396-406 (11 pages)
Continuous supplementation of mineral nutrients and salicylic acid (SA) as foliar application could improve efficacy in controlling basal stem rot (BSR) disease in oil palm seedling. It is revealed from the results that the highest disease severity index (58.3%) was recorded in T8 treatments at 9 months after inoculation. The best disease control was achieved by T7 treatments (calcium/copper/SA [Ca/Cu/SA]) (5.0%) followed by T1 (5.5%), T5 (5.8%), T3 (8.3%), T6 (8.3%), T4 (13.3%), and T2 (15.8%)... -
Note : Open Access ; Development of a Selective Medium for the Fungal Pathogen Fusarium graminearum Using Toxoflavin Produced by the Bacterial Pathogen Burkholderia glumae
한국식물병리학회 The Plant Pathology Journal 5 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 4호 11 446-450 (5 pages)
The ascomycete fungus Fusarium graminearum is a major causal agent for Fusarium head blight in cereals and produces mycotoxins such as trichothecenes and zearalenone. Isolation of the fungal strains from air or cereals can be hampered by various other airborne fungal pathogens and saprophytic fungi. In this study, we developed a selective medium specific to F. graminearum using toxoflavin produced by the bacterial pathogen Burkholderia glumae. F. graminearum was resistant to toxoflavin, while... -
Extraction and characterization of lignin from black liquor and preparation of biomass-based activated carbon therefrom
Daeyeon Kim, Jinsil Cheon, Jeonghoon Kim, Daekyun Hwang, Ikpyo Hong, Oh Hyeong Kwon, Won Ho Park, Donghwan Cho 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.22 14 81-88 (8 pages)
In the present study, biomass-based lignin was extracted from industrial waste black liquor and the extracted lignin was characterized by means of attenuated total reflectance- Fourier transform infrared spectroscopy and 1H-nuclear magnetic resonance spectroscopy. The extracted lignin was carbonized at different temperatures and then activated with steam at 850oC. The extracted lignin in powder state was transformed into a bulky carbonized lignin due to possible fusion between the lignin... -
Disorientation angle influence on the thermal residual stresses in carbon multilayered composite plates of different thicknesses
Olga Bitkina, Ki-Weon Kang, Jang-Ho Lee 한국탄소학회 Carbon Letters 5 Pages
한국탄소학회 Carbon Letters 2017, Vol.21 13 98-102 (5 pages)
One of the most acute problems in studying composite stress-strain states is determining the initial residual stresses during the design of layered construction elements. The full stress?strain state of composite constructions consists of the initial (generated during the manufacturing process) and operating (generated during the working period) stages. A thorough investigation of the initial stage of the stress-strain state is very important to finding the total stresses and deformations, and... -
Morphologies and surface properties of cellulose-based activated carbon nanoplates
Seulbee Lee, Min Eui Lee, Min Yeong Song, Se Youn Cho, Young Soo Yun, Hyoung-Joon Jin 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 5 32-38 (7 pages)
In this study, cellulose nanoplates (CNPs) were fabricated using cellulose nanocrystals obtained from commercial microcrystalline cellulose (MCC). Their pyrolysis behavior and the characteristics of the product carbonaceous materials were investigated. CNPs showed a relatively high char yield when compared with MCC due to sulfate functional groups introduced during the manufacturing process. In addition, pyrolyzed CNPs (CCNPs) showed more effective chemical activation behavior compared with... -
Bulk graphite: materials and manufacturing process
Sang-Min Lee, Dong-Su Kang and Jea-Seung Roh 한국탄소학회 Carbon Letters 12 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.3 1 135-146 (12 pages)
Graphite can be classified into natural graphite from mines and artificial graphite. Due to its outstanding properties such as light weight, thermal resistance, electrical conductivity, thermal conductivity, chemical stability, and high-temperature strength, artificial graphite is used across various industries in powder form and bulk form. Artificial graphite of powder form is usually used as anode materials for secondary cells, while artificial graphite of bulk form is used in steelmaking... -
Thermal properties in strong hydrogen bonding systems composed of poly(vinyl alcohol), polyethyleneimine, and graphene oxide
Sua Choi, Duck Kun Hwang and Heon Sang Lee 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.4 8 282-289 (8 pages)
Blends of poly(vinyl alcohol) (PVA), polyethyleneimine (PEI), and graphene oxide (GO) were prepared by solution casting method. Calorimetric thermal properties of the blends were investigated. The Tgs of PVA/PEI blends were higher than the Tgs of either of the component polymers at low concentrations of PEI. These abnormal increases of Tgs may be due to the negative entropy of mixing which is associated with strong hydrogen bonding between PVA and PEI. The degree of depression of s was not... -
반응고 A356 합금의 재가열 특성 및 반용융 압출
김대환, 정현주, 심성용, 임수근, 이상용, Kim. Dae-Hwan, Jung. Hyun-Ju, Shim. Sung-Yong, Lim. Su-Gun, Lee. Sang-Yong 한국주조공학회 한국주조공학회지 7 Pages
한국주조공학회 한국주조공학회지 2014, Vol.34 No.4 123-129 (7 pages)
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Prostaglandin F receptor expression in intrauterine tissues of pregnant rats
Elvan Anadol*, Halit Kanca, Atiye Seda Yar, Fatma Helvacioğlu, Sevda Menevşe, Engin Ҫalgüne 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 1호 14 125-131 (7 pages)
In this investigation, we studied the expression and localization of rat prostaglandin F (FP) receptor in uterine tissues of rats on gestational Days 10, 15, 18, 20, 21, 21.5 and postpartal Days 1 and 3 using Western blotting analysis, real-time PCR, and immunohistochemistry. A high level of immunoreactivity was observed on gestational Days 20, 21, and 21.5 with the most significant signals found on Day 20. FP receptor protein was expressed starting on gestational Day 15, and a fluctuating... -
Survival of avirulent thermostable Newcastle disease virus (strain I-2) in raw, baked, oiled, and cooked white rice at ambient temperatures
Philemon Nyangi Wambura, Joanne Meers, Peter Spradbrow 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 3호 17 303-305 (3 pages)
Raw white rice has not been considered a good carrier for oral vaccination, probably because of its antiviral activity. Methods are required to overcome antiviral activity in raw white rice. This study was carried out to determine the effects of various treatments of raw white rice on the survival of strain I-2 of Newcastle disease virus. These included cooking and baking the rice or mixing the rice with vegetable oil prior to coating with vaccine virus. The vaccine-coated rice was then stored... -
Genetic Polymorphism of the Serum Proteins of Horses in Jeju
Jin-Ah Shin, Young-Hoon Yang, Hee-Seok Kim, Young-Min Yun and Kyoung-Kap Lee 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 4호 2 255-263 (9 pages)
The study was carried out to investigate the genetic polymorphism of the serum proteins of horses in Cheju. They were assigned to three groups; 45 Cheju native horses(CNH), 60 Cheju racing horses(CRH) and 60 Thoroughbreds(TB). We analyzed the phenotypes and gene frequencies of serum proteins which were albumin (Alb), vitamin-D binding protein(GC), esterase (ES), A1B glycoprotein(A1B) and transferrin(TF) loci using horizontal polyacrylamide gel electrophoresis (HPAGE). All of the loci, except A1B... -
Heat Acclimatization in Hot Summer for Ten Weeks Suppress the Sensitivity of Sweating in Response to Iontophoretically-administered Acetylcholine
Jeong-BeomLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2008, Vol.12 No.6 10 349-356 (8 pages)
To determine the peripheral mechanisms involved in thermal sweating during the hot summers in July before acclimatization and after acclimatization in September, we evaluated the sweating response of healthy subjects (n=10) to acetylcholine (ACh), a primary neurotransmitter involved in peripheral sudomotor sensitivity. The quantitative sudomotor axon reflex test (QSART) measures sympathetic C fiber function after iontophoresed ACh evokes a measurable reliable sweat response. The QSART, at 2 mA... -
제철슬래그 선·분정광의 고부가화 연구
최준길, 반봉찬 한국열환경공학회 열환경공학 13 Pages
한국열환경공학회 열환경공학 2009, 제 6권 1호 6 57-69 (13 pages)
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Study on urea precursor effect on the electroactivities of nitrogen-doped graphene nanosheets electrodes for lithium cells
Ki-Yong Kim, Yongju Jung, Seok Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 5 40-46 (7 pages)
Nitrogen-atom doped graphene oxide was considered to prevent the dissolution of polysulfide and to guarantee the enhanced redox reaction of sulfur for good cycle performance of lithium sulfur cells. In this study, we used urea as a nitrogen source due to its low cost and easy preparation. To find the optimum urea content, we tested three different ratios of urea to graphene oxide. The morphology of the composites was examined by field emission scanning electron microscope. Functional groups and...
