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Gamma-ray irradiation stimulates the expression of caveolin-1 and GFAP in rat spinal cord: a study of immunoblot and immunohistochemistry
Meejung Ahn, Heechul Kim, Jeong Tae Kim, Jeeyoung Lee, Jin Won Hyun, Jae Woo Park, Taekyun Shin 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2006, 제 7권 제 4호 1 309-314 (6 pages)
Gray (Gy)) in order to determine the possible involvement of caveolin-1 in the tissues of the central nervous system after irradiation. Spinal cords sampled at days 1, 4, and 9 post-irradiation (PI) (n = 5 per each time point) were analyzed by Western blot and immunohistochemistry. Western blot analysis showed that the expression of caveolin-1 was significantly increased at day 1 PI (p < 0.05), and returned to the level of normal control rats on days 4 and 9 PI. Immunohistochemistry showed that... -
Characterization of an Antibacterial Silver Chloride/Poly(acrylic acid) Deodorant Prepared by a Gamma-ray Irradiation
Youn. Min-Ho, Lim. Youn-Mook, Gwon. Hui-Jeong, Park. Jong-Seok, An. Sung-Jun, Nho. Young-Chang 한국고분자학회 Macromolecular research 4 Pages
한국고분자학회 Macromolecular research 2009, Vol.17 No.10 813-816 (4 pages)
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Preparation of Alginate/Poly(N-isopropylacrylamide) Hydrogels Using Gamma-ray Irradiation Grafting
Lee. Young-Moo, Lee. Sang-Bong, Seo. Sung-Mi, Lim. Youn-Mook, Cho. Seong-Kwan, Nho. Young-Chang 한국고분자학회 Macromolecular research 7 Pages
한국고분자학회 Macromolecular research 2004, Vol.12 No.3 269-275 (7 pages)
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Preparation and Characterization of pH-Sensitive Poly(ethylene oxide) Grafted Methacrylic Acid and Acrylic Acid Hydrogels by ${gamma}-ray $ Irradiation
Lim. Youn-Mook, Lee. Young-Moo, Nho. Young-Chang 한국고분자학회 Macromolecular research 7 Pages
한국고분자학회 Macromolecular research 2005, Vol.13 No.4 327-333 (7 pages)
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Effect of ${gamma}$-Ray Irradiation on Surface Oxidation of Ultra High Molecular Weight Polyethylene/Zirconia Composite Prepared by in situ Ziegler-Natta Polymerization
Kwak. Soon-Jong, Noh. Dong-Il, Chun. Heung-Jae, Lim. Youn-Mook, Nho. Young-Chang, Jang. Ju-Woong, Shim. Young-Bock 한국고분자학회 Macromolecular research 6 Pages
한국고분자학회 Macromolecular research 2009, Vol.17 No.8 603-608 (6 pages)
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Cytotoxicity of gamma-ray in rat immature hippocampal neurons
Miyoung Yang, Myoung-Sub Song, Sung-Ho Kim, Jong-Choon Kim, Joong-Sun Kim, Taekyun Shin, Changjong Moon* 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 3호 1 203-207 (5 pages)
analyzed using a lactate dehydrogenase release assay at 24 h after g-irradiation. Radiation-induced cytotoxicity in immature hippocampal neurons increased in a dose- dependent manner. Pre-treatments of pro-apoptotic caspase inhibitors and anti-oxidative substances significantly blocked g-irradiation-induced cytotoxicity in immature hippocampal neurons. The results suggest that the caspase-dependent cytotoxicity of g-rays in immature hippocampal cultured neurons may be caused by oxidative stress. -
Prolonged expression of senescence markers in mice exposed to gamma-irradiation
Min-A Seol, Uhee Jung*, Hyeon Soo Eom, Seol-Hwa Kim, Hae-Ran Park, Sung-Kee Jo 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 4호 1 331-338 (8 pages)
In this study, we examined the prolonged expression of senescence markers in mice irradiated with single or fractionated doses. C57BL/6 female mice were exposed to 5 Gy of γ-rays in single or 5, 10, 25 fractions. At 2, 4, and 6 months after irradiation, senescence markers including mitochondrial DNA (mtDNA) common deletion, p21, and senescence-associated β-galactosidase (SA β-gal) were monitored in the lung, liver, and kidney. Increases of mtDNA deletion were detected in the lung, liver, and... -
Effect of Gamma Ray Irradiation on the Availability of Applied $^{65}Zn$ to Applied at Organic Matter Added Soils under Laboratory Conditions
Kim. Tai-Soon, Han. Kang-Wan 한국원자력학회 Journal of the Korean Nuclear Society 6 Pages
한국원자력학회 Journal of the Korean Nuclear Society 1979, Vol.11 No.2 105-110 (6 pages)
3종의 유기물을 첨가한 산성, 알카리성 답 토양에 방사성 아연비료($^{65}ZnSO_4$)를시용(施用)하고 $^{60}Co$ gamma선을 조사(照射)하였을때 시용한 $^{65}Zn$의 고정(固定)과 방출(放出)에 어떤 영향을 주는가를 보기 위하여 실험실내에서 항온방치 실험을 행한 결과를 요약하면 다음과 같다. 산성, 알카리성 답 토양에 시용한 $^{65}ZnSO_4$는 이들 토양에 고정되므로 DTPA용액에의 가용성 $^{65}Zn$ 는 방치시간이 경과 할수록 감소되다가 항온방치 4주 부터 고액상(固液相)간에 평형을 유지하게된다. 이 평형상태하에서... -
Preparation and Characterization of Oxygen Generating (OG) Hydrogels Using ${gamma}$-Ray Irradiation Crosslinking
Song. Nho-Eul, Song. Young-Ran, Gwon. Hui-Jeong, Lim. Youn-Mook, Baik. Sang-Ho 한국고분자학회 Macromolecular research 7 Pages
한국고분자학회 Macromolecular research 2012, Vol.20 No.11 1137-1143 (7 pages)
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Controlling Botrytis elliptica Leaf Blight on Hybrid Lilies through the Application of Convergent Chemical X-ray Irradiation
한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 1 77-84 (8 pages)
this study used convergent chemical X-ray irradiation of 200 Gy or 150 Gy. Leaf and petal blight was measured in terms of incidence and severity at 8 days after infection using total 552 cuttings. Results indicate that the treatments of X-ray irradiation and NaDCC in 2014 and 2015 slightly decreased the severity of petal blight on Siberia and Sorbonne. However, the results were not significant and severity did not decrease as NaDCC concentration increased. Vase-life was observed separately after... -
Evaluations of Poly{vinyl alcohol)/Alginate Hydrogels Cross-linked by r-ray Irradiation Technique
Nam. Sang-Yong, Nho. Young-Chang, Chae. Gue-Tae, Jang. Hong-Seok, Suh. Tae-Suk, Ahn. Woong-Shick, Ryu. Kyu-Eun, Chun. Heung-Jae 한국고분자학회 Macromolecular research 6 Pages
한국고분자학회 Macromolecular research 2004, Vol.12 No.2 219-224 (6 pages)
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Immune-Localization of Peroxidase in Pumpkin (Cucurbita ficifolia $Bouchacute{e}$) Seedlings Exposed to High-Dose Gamma Ray
Wi. Seung-Gon, Chung. Byung-Yeoup, Kim. Jae-Sung, Chae. Hyo-Seok, Park. Young-Mi, An. Byung-Chull, Lee. Ju-Woon, Kim. Yoon-Soo 한국식물학회 Journal of plant biology 6 Pages
한국식물학회 Journal of plant biology 2006, Vol.49 No.2 180-185 (6 pages)
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Localization of Hydrogen Peroxide in Pumpkin (Cucurbita ficifolia Bouche) Seedlings Exposed to High-Dose Gamma Ray
Wi. Seung Gon, Chung. Byung Yeoup, Kim. Jae-Sung, Kim. Jin-Hong, Baek. Myung-Hwa, Lee. Ju-Woon 한국식물학회 Journal of plant biology 8 Pages
한국식물학회 Journal of plant biology 2006, Vol.49 No.1 1-8 (8 pages)
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Dose-Incidence Relationships on the Prenatal Effects of Gamma-Radiation in Mice
Sung Ho Kim, Jong Hwan Lee, Yun Sil Lee, Cha Soo Lee, Tae Hwan Kim, Se Ra Kim, Dae Won Bang, Heon Oh 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 1호 2 7-11 (5 pages)
The objective of this investigation was to evaluate dose-incidence relationships on the prenatal effects of gamma-radiation. Pregnant ICR mice were exposed on day 11.5 after conception, coincident with the most sensitive stage for the induction of major congenital malformations, with 0.5-4.0 Gy of gamma- radiations. The animals were sacrificed on day 18 of gestation and the fetuses were examined for mortality, growth retardation, change in head size and any other morphological abnormalities.... -
Effects of Antioxidants on the Gamma-Radiation Damage of the Cultured Vascular Smooth Mucle Cells of Rat Aorta
Jong-DooLee, Hyoung-ChulChoi, Young-JinKang, Myung-SeKim, Kwang-YounLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 7 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2007, Vol.11 No.5 5 189-195 (7 pages)
To study the protective effects of antioxidants on the radiation damages of the cells, vascular smooth muscle cells (VSMC) from thoracic aorta of Sprague-Dawley rats were cultured and irradiated with gamma-ray. Cell viability was measured by direct cell counting and MTT assay, and flow cytometry was performed to measure fractional distributions of the cells. Gamma-ray irradiation inhibited cell proliferations accompanied with decreased G1 phase and increased S- and G2/M phases, and the maximum... -
Postharvest Disease Control of Colletotrichum gloeosporioides and Penicillium expansum on Stored Apples by Gamma Irradiation Combined with Fumigation
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 5호 10 460-468 (9 pages)
maximum inhibition of C. gloeosporioides and P. expansum spore germination. The gamma irradiation dose required to reduce the spore germination by 90% was 0.22 and 0.35 kGy for C. gloeosporioides and P. expansum, respectively. Microscopic observations revealed that when the fungal spores were treated with gamma irradiation (4.0 kGy), conidial germination was stopped completely resulting in no germ tube formation in C. gloeosporioides. Treatment with the eco-friendly fumigant ethanedinitrile had... -
Graphitization of PAN-based carbon fibers by CO₂ laser irradiation
Liangbo Yao, Weimin Yang, Sanyang Li, Yang Sha, Jing Tan, Ying An, Haoyi Li 한국탄소학회 Carbon Letters 6 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 13 97-102 (6 pages)
electron microscopy revealed that the surface of irradiated CFs was rougher than that of the unirradiated ones and there were scale-like small fragments that had peeled off from the fibers. The tensile modulus increased by 17.51% and the Weibull average tensile strength decreased by 30.53% after being irradiated by a laser. These results demonstrate that the laser irradiation was able to increase the graphitization degree of the CFs, which showed some properties comparable to graphite fibers. -
Polysaccharide Extracted from Rheum Tanguticum Prevents Irradiation-induced Immune Damage in Mice
Liu. Lin-Na, Guo. Zhi-Wei, Zhang. Yan, Qin. Hua, Han. Yan 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP 5 Pages
아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP 2012, Vol.13 No.4 1401-1405 (5 pages)
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Amifostine ameliorates recognition memory defect in acute radiation syndrome caused by relatively low-dose of gamma radiation
Hae-June Lee, Joong-Sun Kim, Myoung-Sub Song, Heung-Sik Seo, Miyoung Yang, Jong Choon Kim, Sung-Kee Jo, Taekyun Shin, Changjong 대한수의학회 Journal of Veterinary Science 3 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 12 81-83 (3 pages)
transferase-mediated dUTP nick end-labeling assay, and immunohistochemical markers of neurogenesis [Ki-67 and doublecortin (DCX)]. Amifostine treatment (214 mg/kg, i.p.) prior to irradiation significantly attenuated the recognition memory defect in ARS, and markedly blocked the apoptotic death and decrease of Ki-67- and DCX-positive cells in ARS. Therefore, amifostine may attenuate recognition memory defect in a relatively low-dose exposure of ARS in adult mice, possibly by inhibiting a... -
Phytotherapeutic effects of Echinacea purpurea in gamma-irradiated mice
Amira M. K. Abouelella, Yasser E. Shahein*, Sameh S. Tawfik, Ahmed M. Zahran 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 5 341-352 (12 pages)
male mice that were divided into five groups (control, treated, irradiated, treated before irradiation & treated after irradiation) at a dose of 30 mg/kg body weight for 2 weeks before and after irradiation with 3 Gy of ■-rays. The results reflected the detrimental reduction effects of ■-rays on peripheral blood hemoglobin and the levels of red blood cells, differential white blood cells, and bone marrow cells. The thiobarbituric acid-reactive substances (TBARs) level, Superoxide dismutase... -
Influence of gestational age at exposure on the prenatal effects of gamma-radiation
Sung-ho Kim, Se-ra Kim, Yun-sil Lee, Tae-hwan Kim, Sung-kee Jo, Cha-soo Lee 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2001, 제 2권 제 1호 6 37-42 (6 pages)
2.5 to 15.5 days post-coitus (p.c.). The animals were sacrificed on day 18 of gestation and the fetuses were examined for mortality, growth retardation, change in head size and any other morphological abnormalities. The only demonstrable effect of irradiation during the preimplantation period was an increase in prenatal mortality. Resorptions were maximal on post-exposure day 2.5 after conception. The pre-implantation irradiated embryos which survived did not show any major fetal abnormalities.... -
Effect of X-irradiation on Citrus Canker Pathogen Xanthomonas citri subsp. citri of Satsuma Mandarin Fruits
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 4호 3 343-349 (7 pages)
irradiation on quarantine, the Xcc-inoculated citrus fruits were irradiated with different X-ray doses at which Xcc was completely inhibited by an irradiation dose of 250 Gy. The D;sub>10;/sub> value for Xcc on citrus fruits was found to be 97 Gy, indicating the possibility of direct application on citrus quarantine without any side sterilizer. Beside, presence of Xcc on the surface of asymptomatic citrus fruits obtained from citrus canker-infected orchards was noted. It indicated that the... -
The radioprotective effects of the hexane and ethyl acetate extracts of Callophyllis japonica in mice that undergo whole body irradiation
Jeongtae Kim, Changjong Moon, Heechul Kim, Jinwoo Jeong, Juyeon Lee, Jihoon Kim, Jin Won Hyun, Jae Woo Park, Mi Yeon Moon, Nam H 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 3호 8 281-284 (4 pages)
(EtOAc), butanol and the remaining H2O] were used. Each fraction (100 mg/kg body weight) was administered intraperitoneally (i.p.) 2 times into the BALB/c mice, once at 1 and once at 24 h before exposure to 9 Gray (Gy) of gamma radiation. Pre-irradiation administration of the hexane and EtOAc fractions saved the mice, with their survival rates being greater than 80% at 30 days post-irradiation; the mice that were pretreated with the other fractions showed survival rates lower than 20% over the... -
The micronucleus frequency in cytokinesis-blocked lymphocytes of cattle in the vicinity of a nuclear power plant
Hae-June Lee, Chang-Mo Kang, Se-Ra Kim, Jong-Choon Kim, Chun-Sik Bae, Ki-Seok Oh, Sung-Kee Jo, Tae-Hwan Kim, Jong-Sik Jang, Sung 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 2호 3 117-120 (4 pages)
Cytogenetic and hematological analyses were performed on the peripheral blood lymphocytes (PBLs) obtained from Korean native cattle bred in the vicinity of three nuclear power plants (Wolsong, Uljin and Yeonggwang) and in a control area. The micronucleus (MN) rates for the cattle from the Wolsong, Uljin and Yeonggwang nuclear power plants and for the control area were 9.87 ± 2.64, 8.90 ± 3.84, 9.20 ± 3.68 and 9.60 ± 3.91 per 1,000 cytokinesis-blocked lymphocytes, respectively. The apparent... -
Frequencies of Micronuclei in Peripheral Lymphocytes in Korean Populations after Chronic Low-dose Radiation Exposure
Mi-Young An and Tae-Hwan Kim 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 11 213-218 (6 pages)
The purpose of this study was to estimate predictive markers of intrinsic radiosensitivity in individuals who were exposed to occupational or environmental radiation. Throughout this process, the actual biohazard risks and base-line chromosome damage were evaluated in human population. Further studies were carried out to provide evidence for the existence of individual variations in age-dependent responses through micronuclei (MN) assay. Spontaneous frequencies not only vary greatly between... -
Cs-137 및 Co-60감마선 조사장치 설치 연구
김원식, 하석호, 황선태, Kim. Wuon-Shik, Hah. Suck-Ho, Hwang. Sun-Tae 대한방사선방어학회 방사선방어학회지 7 Pages
대한방사선방어학회 방사선방어학회지 1986, Vol.11 No.2 123-129 (7 pages)
Cs-137 및 Co-60감마선 조사장치를 사용하여 비임의 입체각이 $2.4{pi}{ imes}10^{-3}sr$에서 $17.3{pi}{ imes}10^{-3}sr$로 변함에 따른 공기의 산란인자와 두께 2.9cm 납 흡수체 사용에 따른 축적인자를 결정하였다. 그 결과 산란인자는 $1{sim}1.064$, 축적인자는 $1.054{sim}1.194$범위의 값을 갖는 것으로 각각 나타났다. 결정된 인자들의 검증을 위하여 계산값과 측정값을 비교한 결과 그 차이는 3.3%이하인 것으로 나타났다. -
Differential expression of thymic DNA repair genes in low-dose-rate irradiated AKR/J mice
Jin Jong Bong, Yu Mi Kang, Suk Chul Shin, Seung Jin Choi, Kyung Mi Lee, Hee Sun Kim 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 6 271-279 (9 pages)
γ-irradiation facility developed less spontaneous thymic lymphoma and survived longer than those receiving sham or high-dose-rate (HDR) (Cs, 0.8 Gy/min, 4.5 Gy) radiation. Interestingly, histopathological analysis showed a mild lymphomagenesis in the thymus of LDR-irradiated mice. Therefore, in this study, we investigated whether LDR irradiation could trigger the expression of thymic genes involved in the DNA repair process of AKR/J mice. The enrichment analysis of Gene Ontology terms and Kyoto... -
Protective effect of the methanol extract of Polyopes Lancifolia (Harvey) kawaguchi et wang against ionizing radiation-induced mouse gastrointestinal injury
Sung Ho Kim , Tae Kyun Shin , Mee Jung Ahn , Jin Woo Jeong , Jin Won Hyun , Chang Jong Moon , Won Jun Yang , Ki Cheon Ki 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 7 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2011, 제 51권 제 3호 1 177-183 (7 pages)
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PDGF-C and PDGF α-Receptor in Mouse during Embryogenesis
In Shik Kim, Dong Choon Ahn, Byung Yong Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 319 508-509 (2 pages)
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Therapeutic effect of topical application of curcumin during treatment of radiation burns in a mini-pig model
Joongsun Kim, Sunhoo Park, Byung-Suk Jeon, Won-Seok Jang, Sun-Joo Lee, Yeonghoon Son, Kyung-Jin Rhim, Soong In Lee, Seung-Sook L 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 1 435-444 (10 pages)
the skin against radiation-induced epidermal damage and prevents morphological changes induced by irradiation skin, thereby maintaining the epidermal thickness and cell density of basal layers. In this study, the effects of topical curcumin treatment on radiation burns were evaluated in a mini-pig model. Histological and clinical changes were observed five weeks after radiation exposure to the back (Co gamma-radiation, 50 Gy). Curcumin was applied topically to irradiated skin (200 mg/cm) twice a... -
Increased phosphorylation of caveolin-1 in the spinal cord of irradiated rats
Heechul Kim, Changjong Moon, Jeongtae Kim, Meejung Ahn, Jin Won Hyun, Jae Woo Park, Sung-Ho Kim, Seungjoon Kim, Taekyun Shin* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 2 323-328 (6 pages)
stimuli. In this study, the involvement of caveolin-1 in an irradiation injured spinal cord was examined by analyzing the phosphorylation of caveolin-1 in the spinal cord of rats after irradiation with a single dose of 15 Gray from a Co ■-ray source at 24 h post-irradiation (PI). A Western blot analysis showed that the phosphorylated form of caveolin-1 (p-caveolin-1) was expressed constitutively in the normal spinal cords and was significantly higher in the spinal cord of irradiated rats at 24... -
Distinct Cellular Calcium Metabolism in Radiation-sensitive RKO Human Colorectal Cancer Cells
YunTaiKim, SooShinJo, YoungJunPark, MyungZaLee, ChangKookSuh 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.6 10 509-516 (8 pages)
by radiation. In response to DNA damage, cytochrome c was released from mitochondria by activation of pro-apoptotic Bcl-2 family proteins, and then elicits massive Ca2＋ release from the ER that lead to cell death. It was also suggested that irradiation may cause the deregulation of Ca2＋ homeostasis and trigger programmed cell death and regulate death specific enzymes. Thus, in this study, we investigated how cellular Ca2＋ metabolism in RKO cells, in comparison to radiation-resistant A549... -
Effect of the surface modification using MWCNTs with different L/D by two different methods of deposition on the IFSS of single carbon fiber-epoxy resin composite
Minerva L. Herrera-Sosa, Alex Valadez-Gonz?lez, Humberto V?zquez-Torres, Pierre G. Mani-Gonz?lez, Pedro J. Herrera-Franco 한국탄소학회 Carbon Letters 10 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 3 18-27 (10 pages)
Multiwall carbon nanotubes (MWCNT) with two different (L/D) aspect ratios (7±2 μm/140±30 nm and 0.5?2 μm/8?15 nm) were surface treated using nitric acid (HNO3) and polyethyleneimine (PEI) prior to their deposition on carbon fibers (CF). Before the hierarchical reinforcement with CF-MWCNT, the CFs were treated with 3-glycidoxypropyltrimethoxysilane, a coupling agent (Z6040) and with poly(amidoamine) (PAMAM) a dendrimer containing an ethylenediamine core and amine surface groups. The MWCNT... -
Effects of cross-linking methods for polyethylene-based carbon fibers: review
Kwan-Woo Kim, Hye-Min Lee, Jeong-Hun An, Byoung-Suhk Kim, Byung-Gak Min, Shin-Jae Kang, Kay-Hyeok An, Byung-Joo Kim 한국탄소학회 Carbon Letters 24 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.3 2 147-170 (24 pages)
In recent decades, there has been an increasing interest in the use of carbon fiber reinforced plastic (CFRP) in aerospace, renewable energy and other industries, due to its low weight and relatively good mechanical properties compared with traditional metals. However, due to the high cost of petroleum-based precursors and their associated processing costs, CF remains a specialty product and as such has been limited to use in high-end aerospace, sporting goods, automotive, and specialist... -
감마선 조사-해바라기 종자의 저장기간에 따른 종자활력과 추출물의 항산화활성
김선일, 이현화, 김춘성, 서명덕, 이숙영, Kim. Sun-Il, Lee. Hyun-Hwa, Kim. Chun-Sung, Seo. Myung-Deok, Lee. Sook-Young 한국응용생명화학회 한국응용생명화학회지 5 Pages
한국응용생명화학회 한국응용생명화학회지 2008, Vol.51 No.2 148-152 (5 pages)
저선량 감마선 조사에 의한 해바라기종자의 발아율과 초기생육을 통해 수량증감 여부를 조사하였고, DPPH radical 소거능 조사를 통한 항산화 활성을 분석하였다. 방사선을 조사한 직후 발아율은 무처리의 대조구에 비해 증가하였으며, 4개월 실온 보관한 후의 종자 발아율은 대조구에 비해 전체적으로 감소하는 효과를 나타내엇다. 특히 조사량이 높은 32 Gy에서의 감소율이 가장 높았으나 적정선량은 8 Gy이다. 조사된 종자의 보관 온도에 따라 초기생육에 미치는 영향을 조사한 결과, 1 Gy 조사구의 10$^{circ}C$ 보관된 종자가... -
$^{60}Co;{gamma}$-선 조사에 따른 클로프렌 고무의 열적 특성
김기엽, 이청, 류부형, Kim. Ki-Yup, Lee. Chung, Ryu. Boo-Hyung 한국안전학회 산업안전학회지 7 Pages
한국안전학회 산업안전학회지 2003, Vol.18 No.4 64-70 (7 pages)
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$gamma$-선 조사에 의한 LDPE, LLDPE의 가교특성에 관한 연구
김정일, 박성현, 강필현, 노영창 한국고분자학회 폴리머 8 Pages
한국고분자학회 폴리머 2001, Vol.25 No.5 657-664 (8 pages)
본 연구에서는 고분자 수지의 가교율 향상을 위하여 가교제를 첨가한 low density polyethylene (LDPE), linear low density polyethylene (LLDPE) 수지의 가교에 있어서 ${gamma}$-선 조사의 효과를 조사하였다. LDPE와 LLDPE 시편들은 가교제와 혼합하여 13$0^{circ}C$의 hot-press mold에서 sheet 형태의 준비하였다. ${gamma}$-선은 질소분위기에서 50부터 150 kGy로 변화시키며 조사하였다. 이렇게 준비된 시편을 이용하여 방사선 조사선량, 가교제의 종류에 따른 가교율의 변화를 조사하였으며 가교에 따른 기계적 특성, 열안정성과... -
Preparation and Characterization of Temperature-Sensitive Poly(N-isopropylacrylamide)-g-Poly(L-lactide-co-$varepsilon$-caprolactone) Nanofibers
Jeong. Sung-In, Lee. Young-Moo, Lee. Joo-Hyeon, Shin. Young-Min, Shin. Heung-Soo, Lim. Youn-Mook, Nho. Young-Chang 한국고분자학회 Macromolecular research 10 Pages
한국고분자학회 Macromolecular research 2008, Vol.16 No.2 139-148 (10 pages)
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감마선 조사에 의한 2,4,6-Trinitrotoluene (TNT)의 분해
이병진, 이면주, Lee. Byung-Jin, Lee. Myun-Joo 대한환경공학회 대한환경공학회지 10 Pages
대한환경공학회 대한환경공학회지 2005, Vol.27 No.1 1-10 (10 pages)
본 연구의 목적은 수용액상의 TNT를 분해하기 위한 감마선 조사의 적용가능성을 조사하는 것이었다. 연구 결과, 감마선 조사에 의한 TNT 분해반응은 유사일차속도반응식을 따르는 것으로 나타났으며, 반응속도를 나타내는 조사상수는 초기 TNT 농도에 강한 의존성을 나타내는 것으로 조사되었다. TNT를 함유한 시료의 pH를 강염기성으로 조정할 경우 TNT의 가수분해가 진행되었으며, 이로 인한 TNT에 함유된 일부 질소성분이 아질산성 질소와 질산성질소로 탈리되어 이온상태로 존재하는 것을 확인할 수 있었다. 또한 UV에 의한 자외선... -
Fabrication and Optical Characteristics of CdS/Ag Metal-Semiconductor Composite Quantum Dots
Jeang. Eun-Hee, Lee. Jae-Hoon, Je. Koo-Chul, Yim. Sang-Youp, Park. Seung-Han, Choi. Young-Soo, Choi. Joong-Gill, Treguer. Mona, Cardinal 대한화학회 Bulletin of the Korean Chemical Society 3 Pages
대한화학회 Bulletin of the Korean Chemical Society 2004, Vol.25 No.6 934-936 (3 pages)
