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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,... -
Can prosthetic limbs made too quickly cause kidney damage?
Jerrold S. Petrofsky, Mary Browne, Mahyar Jamshidi, Anthony Libo-on, Ha-neul Lee 물리치료재활과학회 Physical Therapy Rehabilitation Science 6 Pages
물리치료재활과학회 Physical Therapy Rehabilitation Science 2014, 제 3권 제 2호 7 119-124 (6 pages)
Objective: The use of chemicals for building prosthetic sockets present the possibility of being hazardous and unsafe due to off-gassing. The purpose of the present study was to investigate if freshly made materials used in prosthetic sockets causes off-gassing that would penetrate the skin and cause damage to the kidneys or blood. Design: Cross-sectional study. Methods: In this research, the off-gassing effects during the initial curing process of styrene monomer, vinyl ester resin, epoxy... -
Alginate encapsulation preserves the quality and fertilizing ability of Mediterranean Italian water buffalo (Bubalus bubalis) and Holstein Friesian (Bos taurus) spermatozoa after cryopreservation
Sara Perteghella, Alessandro Gaviraghi, Silvia Cenadelli, Valeria Bornaghi, Andrea Galli, Barbara Crivelli, Barbara Vigani, Dani 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 1호 11 81-88 (8 pages)
The use of artificial insemination (AI) in buffalo (Bubalus bubalis) is limited by poor ovarian activity during the hot season, seasonal qualitative patterns in semen, low resistance of sperm cells in the female tract, difficulties in estrus detection, and variable estrus duration. Although AI procedures are commonly used in bovine, use of AI has been limited in buffalo. In the zootechnical field, different studies have been conducted to develop techniques for improvement of fertilizing ability... -
Preparation and evaluation of enrofloxacin microspheres and tissue distribution in rats
Fan Yang, Jijun Kang, Fang Yang, Zhensheng Zhao, Tao Kong, Zhenling Zeng 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 2호 4 157-164 (8 pages)
New enrofloxacin microspheres were formulated, and their physical properties, lung-targeting ability, and tissue distribution in rats were examined. The microspheres had a regular and round shape. The mean diameter was 10.06 μm, and the diameter of 89.93% of all microspheres ranged from 7.0 μm to 30.0 μm. Tissue distribution of the microspheres was evaluated along with a conventional enrofloxacin preparation after a single intravenous injection (7.5 mg of enrofloxacin/kg bw). The results... -
NaCl plus chitosan as a dietary salt to prevent the development of hypertension in spontaneously hypertensive rats
Sung-Hoon Park, Noton Kumar Dutta, Min-Won Baek, Dong-Jae Kim, Yi-Rang Na, Seung-Hyeok Seok, Byoung-Hee Lee, Ji-Eun Cho, Geon-Si 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 2호 7 141-146 (6 pages)
The effect of NaCl plus 3% chitosan on the systolic blood pressure of spontaneously hypertensive rats (SHR) were evaluated and compared with NaCl plus KCl (NaCl, 49.36% + KCl 49.36%) and chitosan or NaCl treatment alone. In SHR, administration of NaCl plus chitosan (44 mM Na/day) for two months significantly decreased the systolic blood pressure greater than of NaCl plus KCl and NaCl alone. NaCl plus chitosan resulted, though not statistically significant, in decreased urinary Na excretion and... -
A biosensor assay for the detection of Mycobacterium avium subsp. paratuberculosis in fecal samples
Vijayarani Kumanan, Sam R. Nugen, Antje J. Baeumner, Yung-Fu Chang* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 6 35-42 (8 pages)
A simple, membrane-strip-based lateral-flow (LF) biosensor assay and a high-throughput microtiter plate assay have been combined with a reverse transcriptase polymerase chain reaction (RT-PCR) for the detection of a small number (ten) of viable Mycobacterium (M.) avium subsp. paratuberculosis (MAP) cells in fecal samples. The assays are based on the identification of the RNA of the IS900 element of MAP. For the assay, RNA was extracted from fecal samples spiked with a known quantity of (10 to... -
Comparative study on the aflatoxin B1 degradation ability of rumen fluid from Holstein steers and Korean native goats
Santi Devi Upadhaya, Ha Guyn Sung, Chan Hee Lee, Se Young Lee, Sun Woo Kim, Kyung Jin Cho, Jong K. Ha* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 1호 5 29-34 (6 pages)
compared in this study. One set of experiments evaluated the aflatoxin B1 degradation ability of different rumen fluid donors (steers vs. goats) as well as the rumen fluid filtration method (cheese cloth filtered vs. 0.45 Ռm Millipore) in a 2 × 2 factorial arrangement. Additional studies examined aflatoxin B1 degradation by collecting rumen fluid at different times (0, 3, 6, 9 and 12 h) after feeding. Cannulated Holstein steers (740 ± 10 kg bw) and Korean native goats (26 ±... -
Effects of Free Anthraquinones Extract from the Rhubarb on Cell Proliferation and Accumulation of Extracellular Matrix in High Glucose Cultured-Mesangial Cells
JianyunWang, HuiFang, BingzhengDong, DongdongWang, YanLi, XiaoChen, LijuanChen, TongWei, QunliWei 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 5 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2015, Vol.19 No.6 2 485-489 (5 pages)
Diabetic nephropathy (DN) is the leading cause of end-stage failure of the kidney, but the efficacy of currently available strategies for the prevention of DN remains unsatisfactory. In this study, we investigated the effects of free anthraquinones (FARs) extract, which was extracted from the rhubarb and purified by macroporous resin DM130 with gradient mixtures of ethanol/water as the lelution solvents, in high glucose-cultured glomerular mesangial cells (MCs). The cell proliferation was... -
The Protective Effect of Quercetin-3-O-β-D-Glucuronopyranoside on Ethanol-induced Damage in Cultured Feline Esophageal Epithelial Cells
JungHyunCho, SunYoungPark, HoSungLee, WanKyunnWhang, UyDongSohn 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2011, Vol.15 No.6 1 319-326 (8 pages)
Quercetin-3-O-Ղ-D-glucuronopyranoside (QGC) is a flavonoid glucoside extracted from Rumex Aquaticus Herba. We aimed to explore its protective effect against ethanol-induced cell damage and the mechanism involved in the effect in feline esophageal epithelial cells (EEC). Cell viability was tested and 2',7'-dichlorofluorescin diacetate assay was used to detect intracellular H2O2 production. Western blotting analysis was performed to investigate MAPK activation and interleukin 6 (IL-6)... -
Enhancement of ATP-induced Currents by Phospholipase D1 Overexpressed in PC12 Cells
JinBongPark, YoungRaeKim, ByeongHwaJeon, Seung-KielPark, Sae-OckOh, YoungGeunKim, SangDoLee, KwangJinKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.4 6 223-229 (7 pages)
Using phospholipase D1 (PLD1)-overexpressing PC12 (PLD1-PC12) cells, the regulatory roles of PLD1 on ATP-induced currents were investigated. In control and PLD1-PC12 cells, ATP increased PLD activity in an external Ca2 dependent manner. PLD activity stimulated by ATP was substantially larger in PLD1-PC12 cells than in control cells. In whole-cell voltage-clamp mode, ATP induced transient inward and outward currents. The outward currents inhibited by TEA or charybdotoxin were significantly... -
Changes in the Expressional Levels of Sarcoplasmic Reticulum Ca2+-regulatory Proteins in the Postnatal Developing Rat Heart
EunHeeLee, SooSungPark, JaeSungLee, YoungJuSeo, Young-HoonKim, HaeWonKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2002, Vol.6 No.2 6 101-108 (8 pages)
In the present study, the postnatal developmental changes in the expressional levels of cardiac sarcoplasmic reticulum (SR) Ca2 regulatory proteins, i.e. Ca2-ATPase, phospholamban, and Ca2 release channel, were investigated. Both SR Ca2-ATPase and phospholamban mRNA levels were about 35% of adult levels at birth and gradually increased to adult levels. Protein levels of both SR Ca2-ATPase and phospholamban, which were measured by quantitative immunoblotting,... -
Effect of t-butylhydroperoxide on Na+-dependent Glutamate Uptake in Rabbit Brain Synaptosome
HyunJeLeeYongKeunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.4 3 367-376 (10 pages)
The effect of an organic peroxide, t-butylhydroperoxide (t-BHP), on glutamate uptake was studied in synaptosomes prepared from cerebral cortex. t-BHP inhibited the Na+-dependent glutamate uptake with no change in the Na+-independent uptake. This effect of t-BHP was not altered by addition of Ca2+ channel blockers (verapamil, diltiazem and nifedipine) or PLA2 inhibitors (dibucaine, butacaine and quinacrine). However, the effect was prevented by iron chelators (deferoxamine and phenanthroline)... -
Effect of Hemorrhage on mRNA Expressions of Renin, Angiotensinogen and AT1 Receptors in Rat Central and Peripheral Tissues
MiKyungLee, HakryulJo, Kyung-SoonKim, Eun-KyoungYang, Won-JungLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 1997, Vol.1 No.2 5 151-159 (9 pages)
In an attempt to investigate whether hemorrhage affects the gene expression of the renin-angioteusin system (RAS) components in the brain and peripheral angiotensin-generating tissues, changes in mRNA levels of the RAS components in response to hemorrhage were measured in conscious unrestrained rats. Wistar rats were bled at a rate of 3 ml/kg/min for 5 min, and then decapitated 7 h after hemorrhage. Levels of mRNA for renin, angiotensinogen and angiotensin II-AT1 receptor subtypes (AT1A and... -
새로운 Platinum (II) Complex [Pt (II)(trans-d-dach)(DPPE)] (NO3)2의 항암효과 및 신독성에 관한 연구
정지창(Jee-Chang Jung), 이문호(Moon-Ho Lee), 장성구(Sung-Goo Chang), 노영수(Young-Soo Rho) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1995, 제 31권 제 1호 11 103-114 (12 pages)
일부 malignant tumor에 Pt-complex의 일상 응용 과정에서 신장독성등의 심한 부작용이 문제점으로 지적되고 있다. 이 연구에서는 기존의 cisplatin보다 항암효과는 우수하면서, 부작용을 감소시킨 새로운 Pt-complex의 개발에 역점을 두었다. 본 연구에서 합성한 Pt(Ⅱ) complex는 carrier ligand로서 1,2-diaminocyclohexane(dach)을 사용하였고, leaving group으로는 diophosphine류인 1,2-bisdiphenylphosphinoethane(DPPE)을 도입하였으며, 물에 대한 용해도를 높이기 위해 dinitrate로 만들었다. 새로이 합성한... -
사람의 백혈구 내에 있는 Elestase: 순수부리, 금속이온의 화학량, 그리고 Chelating 효과에 의한 활성도 조절
강구일(Koo-Il Kang) 대한약리학회 대한약리학잡지 14 Pages
대한약리학회 대한약리학잡지 1988, 제 24권 제 1호 12 111-124 (14 pages)
사람의 혈액으로부터 Elastase를 분리하는 새로운 방법을 개발하여 순도 높은 효소를 얻고 이 효소에 의하여 발생되어지는 질병의 예방과 치료에 응용하기 위하여 이 효소의 근본적인 성질규명을 시도하였다. 정제 방법으로는 Sephodex G-75를 이용한 1회의 액체 크로마토그라피와 HPLC을 이용한 2회의 코마토그라피를 거치는 2단계 방법을 사용하였다. 이때 얻어진 효소는 분자량이 26,000 ~ 29,700 사이에 있는 3개의 다른 분자량을 가진 물질로 확인되었으며, 항체 반응에서 사람의 결구내 Elastase의 특성을 나타내었다. 함유하고... -
실험적 고혈압 백서의 심맥관계 기능조절에 있어서 중추 Opiate System의 역할
김기원(Kee-Won Kim), 곽용근(Yong-Geun Kwak), 채준석(Joon-Seak Chae), 조규박(Kyu-Park Cho) 대한약리학회 대한약리학잡지 10 Pages
대한약리학회 대한약리학잡지 1987, 제 23권 제 2호 7 123-132 (10 pages)
Morphine을 비롯한 opioid peptide가 말초 또는 중추에 투여시 혈압하강과 심박동수감소를 보이며 opiate 수용체 길항제인 naloxone에 의해 길항됨이 관찰되었던바 근래 몇몇 보고들은 중추신경내에서 adrenergic및 opioidergic system이 서로 관련되어 있음을 시사하고 있다. 이에 본 실험에서 고혈압 연구에 널리 사용되고 있는 2-kidney, 1-clip (2K1C) 방법으로 실험적 고혈압을 유발시킨 백서의 측뇌실내 clonidine또는 morphine의 심맥관계에 대한 효과와 각각의 차단제에 의한 영향 그리고 정상 및 고혈압상태 백서의 뇌내... -
흰쥐 뇌내(腦內)의 무수카린성 콜린 수용체의 이질성(異質性)
이종화(Jong-Hwa Lee), Esam E. EI-Fakahany 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1987, 제 23권 제 2호 5 101-112 (12 pages)
중추신경계 특히 뇌내(腦內)의 무수카린성 콜린 수용체 (mAchR)에 대한 수용체 특성의 연구의 하나로, 물리 화학적 성상에 다른 두 종류의 콜린길항제를 사용하여 서로 다른 두 형태의 조직에서 약물의 작용양상 및 다른 약물과의 상호작용을 정초하였다. 실험동물로는 흰쥐를 일정기간 규정사료를 사육하였고, 사용한 Radioactive ligands는 (3H) QNB와 (3H) NMS였으며 그외에 다른 수종의 길항제 또는 효능제와의 치환작용을 brain homogenates와 intact brain cell aggregates에서 관찰하여 다음과 같은 결과를 얻었다. 1. (3H) QNB와... -
Effect of Probenecid on Tetraethylammonium (TEA) Transport Across Basolateral Membrane of Rabbit Proximal Tubule
Choi, Tae-Ryong, Kim, Yong-Keun, 대한생리학회 대한생리학회지 8 Pages
대한생리학회 대한생리학회지 1996, 제 30권 제 2호 7 249-256 (8 pages)
The effect of probenecid on the transport of tetraethylammonium (TEA) was studied in renal cortical slices and isolated membrane vesicles to investigate the interaction of organic anion with the organic cation transport system in proximal tubule. Probenecid reversibly inhibited TEA uptake by renal cortical slices in a dose-dependent manner over the concentration range of 1 and 5 mM. The efflux of TEA was not affected by the presence of 3 mM probenecid. Kinetic analysis indicated that probenecid... -
Effect of Temperature on Dicarboxylate Transport in Plasma Membrane Vesicles of Rabbit Proximal Tubule
Han, Kyung-Moon, Kim, Young-Hee, Woo, Jae-Suk, Kim, Yong-Keun 대한생리학회 대한생리학회지 6 Pages
대한생리학회 대한생리학회지 1993, 제 27권 제 2호 11 227-232 (6 pages)
The temperature dependence of Na+-dependent succinate uptake was studied in brush border (BBMV) and basolateral (BLMV) membrane vesicles isolated from the rabbit kidney cortex. The succinate uptake was markedly altered by temperature in a similar fashion in both membranes. The temperature dependence was characterized by a nonlinear Arrhenius plot with a break point at 22 and 25℃ for BBMV and BLMV, respectively. The activation energy was 3.91 and 17.09 kcal/mole at above and below the break... -
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 근위세뇨관 Basolateral Membrane Vesicle에서 Succinate 이동 특성
김용근(Kim, Yong-Keun), 배혜란(Bae, Hae-Rahn), 임병용(Rhim, Byung-Yong) 대한생리학회 대한생리학회지 12 Pages
대한생리학회 대한생리학회지 1988, 제 22권 제 2호 13 307-318 (12 pages)
가토 신장 피질에서 Percoll density gradient방법으로 분리한 basolateral membrane vesicle (BLMV)에서 rapid filtration technique을 이용하여 succinate의 이동 특성을 관찰하였다. Na+은 succinate의 이동을 증가시켜 overshoot 현상을 보였으며 이러한 효과는 K+, Li+, Rb+, choline 과 같은 다른 양이온들에 의해 나타나지 않았다. Na+농도변화에 따른 succinate의 이동율은 sigmoid모양을 보였고, Na+에 대한 Hill coefficient는 2.0이었다. soccinate의 이동은 vesicle 내부가 음전압일 때 더욱 증가되었다. BLMV에서... -
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... -
Survival Factor Gene FgSvf1 Is Required for Normal Growth and Stress Resistance in Fusarium graminearum
Taiying Li, Boknam Jung, Sook-Young Park, Jungkwan Lee 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 1 393-405 (13 pages)
Survival factor 1 (Svf1) is a protein involved in cell survival pathways. In Saccharomyces cerevisiae, Svf1 is required for the diauxic growth shift and survival under stress conditions. In this study, we characterized the role of FgSvf1, the Svf1 homolog in the homothallic ascomycete fungus Fusarium graminearum. In the FgSvf1 deletion mutant, conidial germination was delayed, vegetative growth was reduced, and pathogenicity was completely abolished. Although the FgSvf1 deletion mutant produced... -
Disinfection by Ozone Microbubbles Can Cause Morphological Change of Fusarium oxysporum f. sp. melonis Spores
Masahiko Tamaki, Fumiyuki Kobayashi, Hiromi Ikeura, Michio Sato 한국식물병리학회 The Plant Pathology Journal 6 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 4호 8 335-340 (6 pages)
To investigate the difference in the disinfectant efficiency of ozone microbubbles (O3MB) and ozone millibubbles (O3MMB), the morphological change of the treated Fusarium oxysporum f. sp. melonis spores was observed with scanning and transmission electron microscopies (SEM and TEM). The disinfectant efficiency of O3MB on F. oxysporum f. sp. melonis spores was greater than that of O3MMB. On observation with SEM, it was revealed that morphological change of F. oxysporum f. sp. melonis spores was... -
Fungicide Sensitivity and Characterization of Cobweb Disease on a Pleurotus eryngii Mushroom Crop Caused by Cladobotryum mycophilum
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2014, 30권 1호 10 82-89 (8 pages)
In 2009?2010, unusual symptoms were observed on Pleurotus eryngii grown in mushroom farms in Gyeongnam Province, Republic of Korea. One of the main symptoms was a cobweb-like growth of fungal mycelia over the surface of the mushroom. The colonies on the surface rapidly overwhelmed the mushrooms and developed several spores within 3?4 days. The colonized surface turned pale brown or yellow. The fruit body eventually turned dark brown and became rancid. Koch’s postulates were completed by... -
Microwave Irradiation-assisted RNA Extraction from Woody Tissues for Plant Virus Detection
한국식물병리학회 The Plant Pathology Journal 3 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 3호 14 286-288 (3 pages)
Plant tissue homogenization using a mortar or mechanical equipment has been the preferred method for obtaining high yields of total RNA; this method, however, is both time-consuming and expensive. Additionally, homogenization may generate excessive endogenous RNases, polyphenolics, and other substances that reduce the quality and quantity of RNA. In this study, we describe the microwave irradiation-assisted RNA extraction (MIRE) technique which, without tissue disruption and homogenization,... -
혈액투석을 받고 있는 노인환자들의 삶의 질을 향상시키고 또 바람직한 환자의 관리방향을 제시하기 위하여 대학병원에서 만성신 부전으로 혈액투석을 받았던 노인환자 109명의 기록을 분석하였다. 자 료의 내용은 노인환자의 개인적인 특성을 비롯하여 혈액투석과 관계되 는 여러 가지 특성들로 1997년 후반기에서 1998년 전반기에 실시된 혈 액투석에 관련된 기록이었다. 환자들은 대부분 당뇨병이나 고혈압 등 의 전신질환을 경험하고 있었으며, 또 1주일에 3차례 정도 혈액투석을 받고 있었다. 또 환자의 약 ¾정도가 투석을 받고...
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Pitch-based carbon fibers from coal tar or petroleum residue under the same processing condition
Jiyoung Kim, Ui-Su Im, Byungrok Lee, Dong-Hyun Peck, Seong-Ho Yoon, Doo-Hwan Jung 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.19 9 72-78 (7 pages)
a simple distillation under strong nitrogen flow, and further vacuum distillation to obtain a high softening point. Carbon fibers were produced from the above pitches by single-hole melt spinning and additional heat treatment, for oxidization and carbonization. Even though spinnable pitches and carbon fibers were processed under the same conditions, the melt-spinning and properties of the carbon fiber were different depending on the raw materials. A fine carbon fiber could not be prepared from...
