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Three-dimensional porous graphene materials for environmental applications
Muruganantham Rethinasabapathy, Sung-Min Kang, Sung-Chan Jang, Yun Suk Huh 한국탄소학회 Carbon Letters 13 Pages
한국탄소학회 Carbon Letters 2017, Vol.22 1 1-13 (13 pages)
Porous materials play a vital role in science and technology. The ability to control their pore structures at the atomic, molecular, and nanometer scales enable interactions with atoms, ions and molecules to occur throughout the bulk of the material, for practical applications. Three-dimensional (3D) porous carbon-based materials (e.g., graphene aerogels/hydrogels, sponges and foams) made of graphene or graphene oxide-based networks have attracted considerable attention because they offer low... -
Superhydrophobic carbon-based materials: a review of synthesis, structure, and applications
Long-Yue Meng, Soo-Jin Park 한국탄소학회 Carbon Letters 16 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.2 5 89-104 (16 pages)
water contact angles greater than 150°. Superhydrophobic carbon-based materials are particularly interesting due to their exceptional physicochemical properties. This review discusses the various techniques used to produce superhydrophobic carbon-based materials such as carbon fibers, carbon nanotubes, graphene, amorphous carbons, etc. Recent advances in emerging fields such as energy, environmental remediation, and thermal management in relation to these materials are also discussed. -
The effects of stacking sequence on the penetration-resistant behaviors of T800 carbon fiber composite plates under low-velocity impact loading
Furqan Ahmad, Jung-Wuk Hong, Heung Soap Choi, Soo-Jin Park, Myung Kyun Park 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2015, Vol.16 No.2 6 107-115 (9 pages)
Impact damages induced by a low-velocity impact load on carbon fiber reinforced polymer (CFRP) composite plates fabricated with various stacking sequences were studied experimentally. The impact responses of the CFRP composite plates were significantly affected by the laminate stacking sequences. Three types of specimens, specifically quasi-isotropic, unidirectional, and cross-ply, were tested by a constant impact carrying the same impact energy level. An impact load of 3.44 kg, corresponding to... -
A review: methane capture by nanoporous carbon materials for automobiles
Pil-Seon Choi, Ji-Moon Jeong, Yong-Ki Choi, Myung-Seok Kim, Gi-Joo Shin, Soo-Jin Park 한국탄소학회 Carbon Letters 11 Pages
한국탄소학회 Carbon Letters 2016, Vol.17 No.1 3 18-28 (11 pages)
as an important green and economic technology. It is very important to develop highly efficient adsorbents to realize techno-economic systems for CH4 adsorption and storage. In this review, we summarize the nanomaterials being used for CH4 adsorption, which are divided into non-carbonaceous (e.g., zeolites, metal-organic frameworks, and porous polymers) and carbonaceous materials (e.g., activated carbons, ordered porous carbons, and activated carbon fibers), with a focus on recent research. -
Indole, Indole-3-calbinol 및 Benzofuran이 간장 microsome과 cytosol의 약물대사 효소 활성도에 미치는 영향
차영남(Young-Nam Cha), 정진호(Jin-Ho Chung), David C. Thompson, Henry S. Heine 대한약리학회 대한약리학잡지 11 Pages
대한약리학회 대한약리학잡지 1985, 제 21권 제 1호 1 1-11 (11 pages)
이물질(xenobiotics) 대사에 관여하는 간장 microsome과 cytosol 효소 활성에 indole, indole-3-carbinol 및 benzofuran이 미치는 영향을 검색하기위하여 마우스에 이들 약물을 각각 5 mmole/kg씩 10일간 투여하여 다음 몇 가지의 성적을 얻었다. Benzofuran은 microsome 효소인 aniline hydroxylase, 7-ethoxycoumarin O-deethylase, p-nitrophenol UDPGA-transferase, epoxide hydrolase와 cytosol 효소인 glutathione S-tranferase, NADH : quinone reductase, UDP-glucose dehydrogenase의 활성도를 증가시켰다. 그러나... -
Biocontrol Activity of Aspergillus terreus ANU-301 against Two Distinct Plant Diseases, Tomato Fusarium Wilt and Potato Soft Rot
Hyong Woo Choi, S. M. Ahsan 한국식물병리학회 The Plant Pathology Journal 13 Pages
한국식물병리학회 The Plant Pathology Journal 2022, 38권 1호 4 33-45 (13 pages)
To screen antagonistic fungi against plant pathogens, dual culture assay (DCA) and culture filtrate assay (CFA) were performed with unknown soil-born fungi. Among the different fungi isolated and screened from the soil, fungal isolate ANU-301 successfully inhibited growth of different plant pathogenic fungi, Colletotri- chum acutatum, Alternaria alternata, and Fusarium oxysporum, in DCA and CFA. Morphological character- istics and rDNA internal transcribed spacer sequence analysis identified... -
Alteration of Genetic Make-up in Karnal Bunt Pathogen (Tilletia indica) of Wheat in Presence of Host Determinants
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 2호 1 97-107 (11 pages)
Alteration of genetic make-up of the isolates and monosporidial strains of Tilletia indica causing Karnal bunt (KB) disease in wheat was analyzed using DNA markers and SDS-PAGE. The generation of new variation with different growth characteristics is not a generalized feature and is not only dependant on the original genetic make up of the base isolate/monosporidial strains but also on interaction with host. Host determinant(s) plays a significant role in the generation of variability and the... -
Improving dispersion of multi-walled carbon nanotubes and graphene using a common non-covalent modifier
Youbin Kwon, Wonbo Shim, Seung-Yeol Jeon, Ji-Ho Youk, Woong-Ryeol Yu 한국탄소학회 Carbon Letters 9 Pages
한국탄소학회 Carbon Letters 2016, Vol.20 8 53-61 (9 pages)
The reportedly synergistic effects of carbon nanotubes (CNTs) and graphene hybrids have prompted strong demand for an efficient modifier to enhance their dispersion. Here, we investigated the ability of poly(acrylonitrile) (PAN) to overcome the van der Waals interaction of multi-walled CNTs (MWCNTs) and graphene by employing a simple wrapping process involving ultrasonication and subsequent centrifugation of PAN/MWCNT/graphene solutions. The physical wrapping of MWCNTs and graphene with PAN was... -
Carbon-allotropes: synthesis methods, applications and future perspectives
P. S. Karthik, A. L. Himaja and Surya Prakash Singh 한국탄소학회 Carbon Letters 19 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.4 1 219-237 (19 pages)
fields of science and technology. So as an honour to this marvellous element, we humans should know about its various forms of existence. In this review article, we shed light on all possible carbon-allotropes; similarities in their synthesis techniques and the starting materials; their wide range of possible availability; and finally, future perspectives and applications. A brief introduction is given on the types, structures, and shapes of the allotropes of carbon for a better understanding. -
플라이애시 및 폴리실리콘 슬러지 혼입율에 따른 제지애시 경화체의 경량 특성
박선규, 김윤미, 이상수, Park. Sun-Gyu, Kim. Yun-Mi, Lee. Sang-Soo 한국건설순환자원학회 Journal of the Korean Recycled Construction Resources Institute 6 Pages
한국건설순환자원학회 Journal of the Korean Recycled Construction Resources Institute 2014, Vol.2 No.2 166-171 (6 pages)
기포콘크리트의 재료 중 시멘트는 제조과정 중에 $CO_2$를 다량 발생시키기 때문에 지구 환경적인 측면에서 커다란 문제가 되고 있지만, 아직까지 시멘트를 대체할 수 있는 대체재에 대한 연구 개발이 미흡한 실정이다. 또한, 발포제는 압축강도가 낮고 고가인 단점이 있다. 이 때문에 강도와 경량 등의 성능 개선과 친환경적인 재료의 사용이 필요한 실정이다. 이에 본 연구에서는 시멘트와 발포제를 대체하기 위해 고로슬래그와 제지애시를 사용하여 경량 경화체를 제조하고자 하였으며, 강도 및 경량성을 보완하기 위해 플라이애시와... -
“In the Shoes of an Algorithm”: A Media Education Game to Address Issues Related to Recommendation Algorithms
Jerry Jacques, J?r?my Grosman, Anne-Sophie Collard, Yeonju Oh, Amie Kim, Hyeon-Seon Jeong 경인교육대학교 교육연구원 The Journal of Education 26 Pages
경인교육대학교 교육연구원 The Journal of Education 2020, Vol.3 No.1 4 37-62 (26 pages)
Recommendation algorithms play an important role in the current media landscape by fostering interactions between users of digital media platforms and media content. The growing concern with recommendation algorithms raises important questions for media educators who emphasize critical analysis of media content and creative production and are required to develop media education initiatives focused on a critical understanding of digital platforms and their underlying technical infrastructures.... -
Comparing the osteogenic potential of canine mesenchymal stem cells derived from adipose tissues, bone marrow, umbilical cord blood, and Wharton's jelly for treating bone defects
Byung-Jae Kang, Hak-Hyun Ryu, Sung Su Park, Yoshihisa Koyama, Masanori Kikuchi, Heung-Myong Woo, Wan Hee Kim, Oh-Kyeong Kweon* 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 3호 12 299-310 (12 pages)
Alternative sources of mesenchymal stem cells (MSCs) for replacing bone marrow (BM) have been extensively investigated in the field of bone tissue engineering. The purpose of this study was to compare the osteogenic potential of canine MSCs derived from adipose tissue (AT), BM, umbilical cord blood (UCB), and Wharton's jelly (WJ) using in vitro culture techniques and in vivo orthotopic implantation assays. After canine MSCs were isolated from various tissues, the proliferation and osteogenic... -
The Effect of LidocaineㆍHCl on the Fluidity of Native and Model Membrane Lipid Bilayers
Jun-SeopPark, Tae-SangJung, Yang-HoNoh, Woo-SungKim, Won-IckPark, Young-SooKim, In-KyoChung, UyDongSohn, Soo-KyungBae, Moon-KyoungBae, Hye 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2012, Vol.16 No.6 7 413-422 (10 pages)
The purpose of this study is to investigated the mechanism of pharmacological action of local anesthetic and provide the basic information about the development of new effective local anesthetics. Fluorescent probe techniques were used to evaluate the effect of lidocaineㆍHCl on the physical properties (transbilayer asymmetric lateral and rotational mobility, annular lipid fluidity and protein distribution) of synaptosomal plasma membrane vesicles (SPMV) isolated from bovine cerebral cortex, and... -
Identification and Characterization of Pathogenic and Endophytic Fungal Species Associated with Pokkah Boeng Disease of Sugarcane
한국식물병리학회 The Plant Pathology Journal 11 Pages
한국식물병리학회 The Plant Pathology Journal 2017, 33권 3호 3 238-248 (11 pages)
Pokkah Boeng is a serious disease of sugarcane, which can lead to devastating yield losses in crop-producing regions, including southern China. However, there is still uncertainty about the causal agent of the disease. Our aim was to isolate and characterize the pathogen through morphological, physiological, and molecular analyses. We isolated sugarcane-colonizing fungi in Fujian, China. Isolated fungi were first assessed for their cell wall degrading enzyme capabilities, and five isolates were... -
Effect of Aerated Compost Tea on the Growth Promotion of Lettuce, Soybean, and Sweet Corn in Organic Cultivation
한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2015, 31권 3호 7 259-268 (10 pages)
This study investigated the chemical characteristics and microbial population during incubation of four kinds of aerated compost teas based on oriental medicinal herbs compost, vermicompost, rice straw compost, and mixtures of three composts (MOVR). It aimed to determine the effects of the aerated compost tea (ACT) based on MOVR on the growth promotion of red leaf lettuce, soybean and sweet corn. Findings showed that the pH level and EC of the compost tea slightly increased based on the... -
Sampling and Selection Factors that Enhance the Diversity of Microbial Collections: Application to Biopesticide Development
한국식물병리학회 The Plant Pathology Journal 10 Pages
한국식물병리학회 The Plant Pathology Journal 2013, 29권 2호 4 144-153 (10 pages)
Diverse bacteria are known to colonize plants. However, only a small fraction of that diversity has been evaluated for their biopesticide potential. To date, the criteria for sampling and selection in such bioprospecting endeavors have not been systematically evaluated in terms of the relative amount of diversity they provide for analysis. The present study aimed to enhance the success of bioprospecting efforts by increasing the diversity while removing the genotypic redundancy often present in... -
Examining Teacher Collegiality in Context
함승환, Seung-Hwan Ham 한국교육행정학회 교육행정학연구 23 Pages
한국교육행정학회 교육행정학연구 2011, 제 29권 제 2호 9 135-157 (23 pages)
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Development of a Quantitative Methodology to Analyze the Growth of Recognition of Musical Elements in Early Childhood from a Viewpoint of Change of Body Movement
Mina Sano 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 20 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2018, Vol.12 No.1 4 61-80 (20 pages)
It is widely viewed that music induced body movement of early childhood children changes reflecting progress of development stage of recognition of musical elements. The author had devised four-phased Music Expression Bringing-up (MEB) program to enhance music recognition of children and devised associated Music Test to evaluate recognition achievements based on respective development phase. As such framework successfully showed development of recognition, the author tried to introduce... -
Whose Job Is It? Parents’ Perspectives on Volunteering to Help in New Zealand Kindergartens
Qilong Zhang, Louise Keown, Susan Farruggia 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 20 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2015, Vol.9 No.2 3 51-70 (20 pages)
Volunteering to help is a traditional type of parental involvement in early childhood education. There have been concerns over the justification of teachers’ practice of leaving their work with parents, particularly for routine tasks such as washing and cleaning, however, little research has been conducted to scrutinize the practice and examine parents’ experiences with volunteering to help. Based on a sample of 25 parents from New Zealand public kindergartens, this study investigates parents... -
Carbon nanotubes–properties and applications
Khalid Saeed Ibrahim 한국탄소학회 Carbon Letters 14 Pages
한국탄소학회 Carbon Letters 2013, Vol.14 No.3 1 131-144 (14 pages)
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자기조절학습자로서의 성인 블로거의 학습경험
허경미, 이로미, 박영 한국성인교육학회 Andragogy Today 31 Pages
한국성인교육학회 Andragogy Today 2007, Vol.10 No.1 8 249-279 (31 pages)
Blogging is one of the popular online activities in Korea, and bloggers enjoy this experience with meaningful outcomes, including self-growth, an expanded social network, and enhanced knowledge level. This study investigates the experiences of adult bloggers when using a framework of self-regulated learning (SRL) as a social-cognitive model of learning. Data were collected from adult users of Cyworld through an online survey (n=100) and online interviews (n=15). The findings indicate that blogs... -
Doing Inquiry like Scientists: Elementary Students’ Scientific Inquiry in an Untact Online Science Learning Environment
Jang Shinho 경인교육대학교 교육연구원 교육논총 13 Pages
경인교육대학교 교육연구원 교육논총 제 42권 특별호 7 79-91 (13 pages)
phenomena appear while other students simply repeated trial and error?rather than going through the process of building evidence and justifying their findings by explaining reasonably, they did not think of a better way to solve the problem. Furthermore, the students expressed the deficiencies of the untact online inquiry situation and their regret or difficulty with it. Educational implications for science education are discussed to promote effective online scientific inquiry in untact mode. -
Teachers Awareness and Analysis of the Current Status of Disposable Plastic in Science Textbooks for Elementary School
Chae Heein, Noh Sukgoo 경인교육대학교 교육연구원 교육논총 18 Pages
경인교육대학교 교육연구원 교육논총 제 41권 특별호 3 45-62 (18 pages)
such experiment equipment and materials in the scientific inquiry in each year was estimated based on the consumption amount by school years and items. The survey of the teachers indicated that most used plastic in their inquiry activities and had a positive idea on the use of plastic equipment and materials in consideration of the interest, safety, and convenience for students. They also agreed that disposable plastics need to be substituted, which should be reflected in the scheduled revision...
