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전체 선택해제
총 204건 검색
본문검색 결과만 보기
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Synthesis of plate powder coated nano sized ZnO by hydrothermal precipitation method
Lee. Dong-Kyu, Lee. Jin-Hwa 한국유화학회 한국유화학회지 8 Pages
한국유화학회 한국유화학회지 2007, Vol.24 No.4 369-376 (8 pages)
우리는 마이카, boron nitride, bismuthoxychloride와 같은 판상 분체에 ZnO 나노입자를 코팅한 고 기능성 무기 분체를 합성하였다. 본 실험에서 우리는 수열침전법을 이용하여 합성 분체를 합성하였다. 출발물질은 $ZnCl_2$를 사용하였고 침전제로는 hexamethylenetetramine(HMT)와 urea를 사용하였다. 본 실험의 반응변수로는 출발물질의 농도, 침전제 및 반응온도를 변화시켜 실험하였다. 합성물의 형태, 결정성 및 UV-차단능은FE-SEM, XRD, FT-IR, TGA-DTA, in vitro SPF 테스트를 활용해 분석하였다. 본 실험의 결과, 나토입자... -
Nano powder propolis 투여가 streptozotocin으로 유발된 당뇨병 rat의 혈당에 미치는 영향
정년기, 조영채, 하창수, 김희성, Chung. Nyun-Ki, Cho. Young-Chae, Ha. Chang-Su, Kim. Hee-Sung 한국가축위생학회 韓國家畜衛生學會誌 8 Pages
한국가축위생학회 韓國家畜衛生學會誌 2010, Vol.33 No.2 199-206 (8 pages)
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Effect of Microwave Irradiation on Morphology and Size of Anatase Nano Powder: Efficient Photodegradation of 4-Nitrophenol by W-doped Titania
Shojaei. Abdollah Fallah, Loghmani. Mohammad Hassan 대한화학회 Bulletin of the Korean Chemical Society 6 Pages
대한화학회 Bulletin of the Korean Chemical Society 2012, Vol.33 No.12 3981-3986 (6 pages)
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Effect of the Concentration of Cobalt Chloride Solution for the Preparation of Nano-Sized Cobalt Oxide Powder by Spray Pyrolysis Process
Yu. Jae Keun, Cha. Kwang Yong, Seo. Dong Jun, Han. Joung Su, Jang. Jae Bum, Lee. Yong Hwa, Kim. Dong Hee 한국재료학회 한국재료학회지 8 Pages
한국재료학회 한국재료학회지 2014, Vol.24 No.6 277-284 (8 pages)
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Original Article : Comparison of teratogenecity induced by nano- and micro-sized particles of zinc oxide in cultured mouse embryos
A Young Jung , Ki Youn Jung , Chun Mei Lin , Jung Min Yon , Jong Geol Lee , Beom Jun Lee , Young Won Yun , Sang Yoon Nam 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 7 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2015, 제 55권 제 2호 9 133-139 (7 pages)
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Preparation of Nanomaterial Wettable Powder Formulations of Antagonistic Bacteria from Phellodendron chinense and the Biological Control of Brown Leaf Spot Disease
Yanling Zeng, Han Liu, Tianhui Zhu, Shan Han, Shujiang Li 한국식물병리학회 The Plant Pathology Journal 17 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 2 215-231 (17 pages)
2% glucose, 0.1% soybean powder, 0.1% KCl, and 0.05% MgSO4; initial concentration 6 × 106 cfu/ml, and a 42-h optimal fermentation time. A composite of 0.1% nano-SiO2 JKB05 improved the thermal stability, acid-base stability and ultraviolet resistance by 16%, 12%, and 38.9%, respectively, and nano-SiO2 was added to the fermentation process. The best formula for the wettable powder was 35% kaolin, 4% polyethylene glycol, 8% Tween, and 2% humic acid. The following quality test results for the... -
Photocatalytic degradation and antibacterial investigation of nano synthesized Ag₃VO₄ particles @PAN nanofibers
Prem Singh Saud, Zafar Khan Ghouri, Bishweshwar Pant, Taehee An, Joong Hee Lee, Mira Park, Hak-Yong Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2016, Vol.18 5 30-36 (7 pages)
Well-dispersed Ag₃VO₄ nanoparticles @polyacrylonitrile (PAN) nanofibers were synthesized by an easily controlled, template-free method as a photo-catalyst for the degradation of methylene blue. Their structural, optical, and photocatalytic properties have been studied by X-ray diffraction, transmission electron microscopy, field-emission scanning electron microscopy equipped with rapid energy dispersive analysis of X-ray, photoluminescence, and ultraviolet?visible spectroscopy. The... -
Electrochemical synthesis of nanosized hydroxyapatite/graphene composite powder
Vesna Mi?kovi?-Stankovi?, Sanja Erakovi?, Ana Jankovi?, Maja Vuka?inovi?-Sekuli?, Miodrag Mitri?, Young Chan Jung, Soo Jin Park, Kyong 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.4 2 233-240 (8 pages)
Electrochemical synthesis was employed to prepare a novel hydroxyapatite/graphene (HAP/ Gr) composite powder suitable for medical applications as a hard tissue implant (scaffold). The synthesis was performed in a homogeneous dispersion containing Na2H2EDTA·2H2O, NaH2PO4 and CaCl2 with a Ca/EDTA/PO4 3? concentration ratio of 0.25/0.25/0.15M, along with 0.01 wt% added graphene nanosheets, at a current density of 137 mA cm?2 and pH value of 9.0. The field emission scanning electron microscopy and... -
Preparation of Nano-sized Pt Powders by Solution-phase Reduction
김철주, 윤호성, 조성욱, 손정수, Kim. Chul-Joo, Yoon. Ho-Sung, Cho. Sung-Wook, Sohn. Jung-Soo 한국자원리싸이클링학회 資源리싸이클링 : 한국자원리싸이클링학회지 5 Pages
한국자원리싸이클링학회 資源리싸이클링 : 한국자원리싸이클링학회지 2007, Vol.16 No.5 36-40 (5 pages)
백금은 물리화학적 특성에 기인하여 많은 분야에서 중요한 역할을 하고 있으며, 이러한 분야에서는 아주 미세한 백금의 사용을 요구하고 있다. 그러므로 본 연구에서는 액상에서 환원제를 사용하여 백금염을 환원시킴으로서 나노크기의 백금을 제조하는 방법에 대하여 알아보았다. 수용액상에서 C14TABr과 $H_2[PtCl_6]$ 상호작용은 $[C1_4TA]_2[PtCl_6]$의 유기백금염 화합물을 형성한다. 단분산 나노 백금입자를 얻기 위해서는 $C1_4TABr$과 $H_2[PtCl_6]$ 농도가 각각 cmc와 0.32 mM 이상이 되어야 한다. $H_2[PtCl_6]$와 C14TABr... -
THERMAL PLASMA SYNTHESIS OF NANO-SIZED POWDERS
Seo. Jun-Ho, Hong. Bong-Guen 한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 12 Pages
한국원자력학회 Nuclear engineering and technology : an international journal of the Korean Nuclear Society 2012, Vol.44 No.1 9-20 (12 pages)
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Nano TiNx를 함유한 Ti복합체의 제조
김문협, 김동식, 오영환, 박성범, 박승식, 이지혜, 박노진, 김성진, 정찬회, 이준희, Kim. Mun-Hyup, Kim. Dong-Sik, Oh. Young-Hwan, Park. Sung-Bum, Park. Seung-Sik, Lee. Jee-Hye, P 한국분말야금학회 한국분말야금학회지 6 Pages
한국분말야금학회 한국분말야금학회지 2006, Vol.13 No.2 144-149 (6 pages)
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The Effects of (Ba0.4Ca0.6)SiO3 Nano Spheroidization Glass Additives on the Microstructure and Microwave Dielectric Properties of Ba(Zn1/3Ta2/3)O3 Ceramics
Choi. Cheal Soon, Kim. Ki Soo, Rhie. Dong Hee, Yoon. Jung Rag 대한전기학회 Journal of electrical engineering & technology 5 Pages
대한전기학회 Journal of electrical engineering & technology 2014, Vol.9 No.5 1719-1723 (5 pages)
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Efficacy of nano-hydroxyapatite prepared by an aqueous solution combustion technique in healing bone defects of goat
Samit Kumar Nandi, Biswanath Kundu*, Samir Kumar Ghosh, Dipak Kumar De, Debabrata Basu 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 2호 9 183-192 (10 pages)
The present study was undertaken to evaluate porous hydroxyapatite (HAp), the powder of which was prepared by a novel aqueous solution combustion technique, as a bone substitute in healing bone defects in vivo, as assessed by radiologic and histopathologic methods, oxytetracycline labeling, and angiogenic features in Bengal goat. Bone defects were created in the diaphysis of the radius and either not filled (group I) or filled with a HAp strut (group II). The radiologic study in group II showed... -
Nano-sized TiCxNy를 함유한 STS 복합체의 특성
반태호, 박성범, 조수정, 이동원, 박용일, 김성진, Ban. Tae-Ho, Park. Sung-Bum, Jo. Soo-Jeong, Lee. Dong-Won, Park. Yong-Il, Kim. Sung-Jin 한국분말야금학회 한국분말야금학회지 7 Pages
한국분말야금학회 한국분말야금학회지 2011, Vol.18 No.3 290-296 (7 pages)
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The effects of green tea (Camellia sinensis) flower extract on melanin synthesis in B16-F10 melanoma cells
Chanuri-Yashara Dissanayake, Hae-Hee Moon, Kyeong-Mi Yang, Younjae Lee, Chang-Hoon Han 대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 8 Pages
대한수의학회 Korean Journal of Veterinary Research(구 대한수의학회지) 2018, 제 58권 제 2호 1 65-72 (8 pages)
The present study observed the effects of a green tea (Camellia sinensis) flower extract (GTFE) on melanin synthesis in B16-F10 melanoma cells. GTFE exhibited antioxidant activity on 2,2-diphenyl-1-picrylhydrazyl and inhibited mushroom tyrosinase activity in a dose-dependent manner. Furthermore, GTFE significantly diminished α-melanocyte stimulating hormone (α-MSH) stimulated cellular melanin content and tyrosinase activity throughout the concentration range evaluated. Based on RNA sequencing... -
The Small GTPase CsRAC1 Is Important for Fungal Development and Pepper Anthracnose in Colletotrichum scovillei
Noh-Hyun Lee, Teng Fu, Jong-Hwan Shin, Yong-Won Song, Dong-Cheol Jang, Kyoung Su Kim 한국식물병리학회 The Plant Pathology Journal 12 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 6호 10 607-618 (12 pages)
The pepper anthracnose fungus, Colletotrichum scovil- lei, causes severe losses of pepper fruit production in the tropical and temperate zones. RAC1 is a highly conserved small GTP-binding protein in the Rho GT- Pase family. This protein has been demonstrated to play a role in fungal development, and pathogenicity in several plant pathogenic fungi. However, the functional roles of RAC1 are not characterized in C. scovillei caus- ing anthracnose on pepper fruits. Here, we generated a deletion... -
Graphene Based Electrochemical DNA Biosensor for Detection of False Smut of Rice (Ustilaginoidea virens)
Kritika Rana, Jagjiwan Mittal, Jagriti Narang, Annu Mishra, Ramesh Namdeo Pudake 한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 8 291-298 (8 pages)
False smut caused by Ustilaginoidea virens is an impor- tant rice fungal disease that significantly decreases its production. In the recent past, conventional methods have been developed for its detection that is time-consuming and need high-cost equipments. The research and development in nanotechnology have made it possible to assemble efficient recognition interfaces in biosensors. In this study, we present a simple, sensitive, and selective oxidized graphene-based geno-biosensor for the... -
Overcoming Encouragement of Dragon Fruit Plant (Hylocereus undatus) against Stem Brown Spot Disease Caused by Neoscytalidium dimidiatum Using Bacillus subtilis Combined with Sodium Bicarbonate
Sanan Ratanaprom, Korakot Nakkanong, Charassri Nualsri, Palakrit Jiwanit, Thanyakorn Rongsawat, Natthakorn Woraathakorn 한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2021, 37권 3호 1 205-214 (10 pages)
The use of the supernatant from a Bacillus subtilis culture mixed with sodium bicarbonate was explored as a means of controlling stem brown spot disease in dragon fruit plants. In in vitro experiments, the B. subtilis supernatant used with sodium bicarbonate showed a strong inhibition effect on the growth of the fungus, Neoscytalidium dimidiatum, the agent causing stem brown spot disease and was notably effective in preventing fungal invasion of dragon fruit plant. This combination not only... -
A Biostimulant Preparation of Brown Seaweed Ascophyllum nodosum Suppresses Powdery Mildew of Strawberry
Sruti Bajpai, Pushp Sheel Shukla, Samuel Asiedu, Kris Pruski, Balakrishnan Prithiviraj 한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 5호 2 406-416 (11 pages)
Strawberry, an important fruit crop, is susceptible to a large number of pathogens that reduce fruit quality and productivity. In this study, the effect of a biostimulant prepared from Ascophyllum nodosum extract (ANE) (0.1%, 0.2%, and 0.3%) was evaluated on powdery mildew progression under greenhouse and field conditions. In the greenhouse, application of 0.2% ANE showed maximum reduction in powdery mildew progression as compared to the control. Forty-eight hour post-inoculation, foliar spray... -
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... -
Selection of Reference Genes for Real-time Quantitative PCR Normalization in the Process of Gaeumannomyces graminis var. tritici Infecting Wheat
Li-hua Xie, Xin Quan, Jie Zhang, Yan-yan Yang, Run-hong Sun, Ming-cong Xia, Bao-guo Xue, Chao Wu, Xiao-yun Han, Ya-nan Xue, Li-rong Yang 한국식물병리학회 The Plant Pathology Journal 8 Pages
한국식물병리학회 The Plant Pathology Journal 2019, 35권 1호 2 11-18 (8 pages)
Gaeumannomyces graminis var. tritici is a soil borne pathogenic fungus associated with wheat roots. The accurate quantification of gene expression during the process of infection might be helpful to understand the pathogenic molecular mechanism. However, this method requires suitable reference genes for transcript normalization. In this study, nine candidate reference genes were chosen, and the specificity of the primers were investigated by melting curves of PCR products. The expression... -
Growth Promoting Rhizospheric and Endophytic Bacteria from Curcuma longa L. as Biocontrol Agents against Rhizome Rot and Leaf Blight Diseases
한국식물병리학회 The Plant Pathology Journal 18 Pages
한국식물병리학회 The Plant Pathology Journal 2018, 34권 3호 8 218-235 (18 pages)
Plant growth promoting rhizobacteria and endophytic bacteria were isolated from different varieties of turmeric (Curcuma longa L.) from South India. Totally 50 strains representing, 30 PGPR and 20 endophytic bacteria were identified based on biochemical assays and 16S rDNA sequence analysis. The isolates were screened for antagonistic activity against Pythium aphanidermatum (Edson) Fitzp., and Rhizoctonia solani Kuhn., causing rhizome rot and leaf blight diseases in turmeric, by dual culture and... -
Characterization of Pyrenophora tritici-repentis (Tan Spot of Wheat) Races in Baltic States and Romania
한국식물병리학회 The Plant Pathology Journal 7 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 2호 5 133-139 (7 pages)
Tan spot, caused by the fungus Pyrenophora triticirepentis, is economically important foliar disease in Latvia, Lithuania, and Romania; however, race structure from Baltic States and Romania is not known. In this study, we performed genotypic and phenotypic race characterization of a large collection of P. triticirepentis isolates from these countries to determine race structure and utilize this information for better disease management and breeding wheat for tan spot resistance. We... -
The Transcription Cofactor Swi6 of the Fusarium graminearum Is Involved in Fusarium Graminearum Virus 1 Infection-Induced Phenotypic Alterations
한국식물병리학회 The Plant Pathology Journal 9 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 4호 1 281-289 (9 pages)
The transcription cofactor Swi6 plays important roles in regulating vegetative growth and meiosis in Saccharomyces cerevisiae. Functions of Swi6 ortholog were also characterized in Fusarium graminearum which is one of the devastating plant pathogenic fungi. Here, we report possible role of FgSwi6 in the interaction between F. graminearum and Fusarium graminearum virus 1 (FgV1) strain DK21. FgV1 perturbs biological characteristics of host fungi such as vegetative growth, sporulation,... -
Dual Effect of the Cubic Ag3PO4 Crystal on Pseudomonas syringae Growth and Plant Immunity
한국식물병리학회 The Plant Pathology Journal 3 Pages
한국식물병리학회 The Plant Pathology Journal 2016, 32권 2호 11 168-170 (3 pages)
We previously found that the antibacterial activity of silver phosphate crystals on Escherichia coli depends on their structure. We here show that the cubic form of silver phosphate crystal (SPC) can also be applied to inhibit the growth of a plant-pathogenic Pseudomonas syringae bacterium. SPC pretreatment resulted in reduced in planta multiplication of P. syringae. Induced expression of a plant defense marker gene PR1 by SPC alone is suggestive of its additional plant immunity-stimulating... -
마이크로파 가열을 이용한 β-SiC 분말 합성
허석, 김수룡, 김영희, 권우택 한국열환경공학회 열환경공학 6 Pages
한국열환경공학회 열환경공학 2016, 제 13권 1호 6 39-44 (6 pages)
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고주파 유도결합 열플라즈마를 이용한 다중벽 탄소나노튜브 합성
남준석, 서준호 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2012, 제 9권 1호 2 9-16 (8 pages)
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열분해 촉매로서의 천연 벤토나이트 개질 방법이 LDPE 열분해 오일의 생성속도와 비점분포에 미치는 영향
김성수, 박성열, 김진걸 한국열환경공학회 열환경공학 9 Pages
한국열환경공학회 열환경공학 2013, 제 10권 2호 1 1-9 (9 pages)
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SiC 전환 카본 제거공정에 대한 CFD 해석
Poudel Jeeban, 임대원, 권우택, 오세천 한국열환경공학회 열환경공학 8 Pages
한국열환경공학회 열환경공학 2014, 제 11권 1호 6 42-49 (8 pages)
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Synthesis and physicochemical characterization of NixZnx- FeO₂O₄/MWCNT nanostructures as enzyme mimetics with peroxidase-like catalytic activity
Navvabeh Salarizadeh, Minoo Sadri, Hassan Hosseini, Reza. H. Sajedi 한국탄소학회 Carbon Letters 8 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 14 103-110 (8 pages)
Carbon-based magnetic nanostructures in several instances have resulted in improved physicochemical and catalytic properties when compared to multi-wall carbon nanotubes (MWCNTs) and magnetic nanoparticles. In this study, magnetic MWCNTs with a structure of NixZnxFe2O4/MWCNT as peroxidase mimics were fabricated by the one-pot hydrothermal method. The structure, composition and morphology of the nanocomposites were characterized with X-ray diffraction (XRD), Fourier transform infrared... -
Optical sensitivity of DNA-dispersed single-walled carbon nanotubes within cement composites under mechanical load
Jin Hee Kim, Inkyu Rhee, Yong Chae Jung, Sumin Ha, Yoong Ahm Kim 한국탄소학회 Carbon Letters 7 Pages
한국탄소학회 Carbon Letters 2017, Vol.24 12 90-96 (7 pages)
We demonstrated the sensitivity of optically active single-walled carbon nanotubes (SWCNTs) with a diameter below 1 nm that were homogeneously dispersed in cement composites under a mechanical load. Deoxyribonucleic acid (DNA) was selected as the dispersing agent to achieve a homogeneous dispersion of SWCNTs in an aqueous solution, and the dispersion state of the SWCNTs were characterized using various optical tools. It was found that the addition of a large amount of DNA prohibited the...
