자료유형
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전체 선택해제
총 77건 검색
본문검색 결과만 보기
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Double-walled carbon nanotubes: synthesis, structural characterization, and application
Yoong Ahm Kim, Kap-Seung Yang, Hiroyuki Muramatsu, Takuya Hayashi, Morinobu Endo, Mauricio Terrones, Mildred S. Dresselhaus 한국탄소학회 Carbon Letters 12 Pages
한국탄소학회 Carbon Letters 2014, Vol.15 No.2 4 77-88 (12 pages)
Double walled carbon nanotubes (DWCNTs) are considered an ideal model for studying the coupling interactions between different concentric shells in multi-walled CNTs. Due to their intrinsic coaxial structures they are mechanically, thermally, and structurally more stable than single walled CNTs. Geometrically, owing to the buffer-like function of the outer tubes in DWCNTs, the inner tubes exhibit exciting transport and optical properties that lend them promise in the fabrication of field-effect... -
ZrO2-SiO2 복합산화물에 담지된 백금 촉매의 요오드화수소 분해 특성 연구
고윤기, 박은정, 배기광, 박주식, 강경수, 조원철, 정성욱, 김창희, 김영호, Ko. Yunki, Park. Eunjung, Bae. Kikwang, Park. Chusik, Kang. Kyoungsoo, Cho. Wonchul, Jeong. Seongu 한국수소및신에너지학회 한국수소 및 신에너지학회 논문집 8 Pages
한국수소및신에너지학회 한국수소 및 신에너지학회 논문집 2013, Vol.24 No.5 359-366 (8 pages)
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Effects of CoCl2 on multi-lineage differentiation of C3H/10T1/2 mesenchymal stem cells
HongIlYoo, YeonHeeMoon, MinSeokKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 10 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2016, Vol.20 No.1 7 53-62 (10 pages)
Mesenchymal stem cells (MSCs) in the bone marrow and other somatic tissues reside in an environment with relative low oxygen tension. Cobalt chloride (CoCl2) can mimic hypoxic conditions through transcriptional changes of some genes including hypoxia-inducible factor-1a (HIF-1a) and vascular endothelial growth factor (VEGF). This study evaluated the potential role of CoCl2 preconditioning on multi-lineage differentiation of C3H/10T1/2, a murine MSC line to understand its possible molecular... -
Alteration of Striatal Tetrahydrobiopterin in Iron-Induced Unilateral Model of Parkinson’s Disease
BijayAryal, Jin-KooLee, , HakRimKim, , Hyung-GunKim 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 6 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2014, Vol.18 No.2 6 129-134 (6 pages)
It has been suggested that transition metal ions such as iron can produce an oxidative injuries to nigrostriatal dopaminergic neurons, like Parkinson’s disease (PD) and subsequent compensative increase of tetrahydrobiopterin (BH4) during the disease progression induces the aggravation of dopaminergic neurodegeneration in striatum. It had been established that the direct administration of BH4 into neuron would induce the neuronal toxicity in vitro. To elucidate a role of BH4 in patho-genesis in... -
Gene Expression Profile in Microglia following Ischemia- Reperfusion Injury
JuHyeonOh, HyungSooHan, JaeSikPark 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 8 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2006, Vol.10 No.4 2 173-180 (8 pages)
Microglial activation is thought to play a role in the pathogenesis of many brain disorders. Therefore, understanding the response of microglia to noxious stimuli may provide insights into their role in disorders such as stroke and neurodegeneration. Many genes involved in this response have been identified individually, but not systematically. In this regards, the microarray system permitted to screen a large number of genes in biological or pathological processes. Therefore, we used microarray... -
Cell-free Myeloperoxidase/H2O3/Chloride System에서 Singlet Oxygen이 관여한다는 실험적 증거
정명희(Myung-Hee Chung), 김용식(Yong-Sik Kim) 대한약리학회 대한약리학잡지 12 Pages
대한약리학회 대한약리학잡지 1984, 제 20권 제 1호 1 1-12 (12 pages)
인체 백혈구에서 추출한 myeloperoxidase(MPO)에 의한 NADH산화 및 methional에서의 ethylene 생성을 관찰하여 cell-free MPO/H2O2/Cl- system에서 관여하는 oxygen metabolites가 무엇인지를 규명하기 위하여 본 실험을 수행하였다. 1) NADH는 MPO/H2O2/Cl-에 의하여 산화됨을 확인하였다. 즉 MPO, H2O2 및 Cl-가 존재하는 medium에서 NADH의 산화는 azide와 catalase에 의하여, 그리고 medium에서 Cl-를 제거하였을 때 완전히 제거되었다. 2) 이와같은 MPO/H2O2/Cl-에 의한 NADH산화는 1O2 제거물질인 1,4-diazabicyclo(2,2,2)... -
Different Profiles of the Negatively Stained Citrus Canker Bacterium Xanthomonas citri pv. citri Depending on Culture Media and Heavy Metal Stains
한국식물병리학회 The Plant Pathology Journal 3 Pages
한국식물병리학회 The Plant Pathology Journal 2010, 26권 1호 13 90-92 (3 pages)
Staining profiles and bacterial morphology were compared in Xanthomonas citri pv. citri by a transmission electron microscopy. Four types of negative staining regimes were employed depending on culture media and heavy metal stains. The bacterial cells grown on LB agar media often appeared clustered on the supporting film. Meanwhile, individual bacterial cells could be readily found on the preparations from LB broth media. Typical rod-shaped cells (ca. 1 μm in length) and their flagella were... -
Enhancing Preschoolers’ Creativity through Creative Play-STEAM Activities in Malaysia
Ying Qin Tee 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 27 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2022, Vol.16 No.3 7 151-177 (27 pages)
Creativity and science are perceived by many as separate entities. Could early science integrated as STEAM be used as a means for creativity development in the preschool context? This study explores an implementation of the creative play approach through integration of early science and creativity in the Malaysian preschool context, as well as its effects and impact towards young children through qualitative and quantitative means. Children’s levels of creativity following the implementation... -
Exploring the Relationship Between an ECEC Teacher and Children from the Perspective of E-series Time: Focusing on the “Slide and Mud Play”
Harutomo Ueda, Mahito Katsuura, Maki Fujii 환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 23 Pages
환태평양유아교육연구학회 Asia-Pacific journal of research in early childhood education 2021, Vol.15 No.2 6 111-133 (23 pages)
This is a case study of an ECEC teacher’s narrative of her subjective world, relative to “slide and mud play” at an ECEC center. The purpose of this study was to reconstruct the teacher’s understanding of play based on her own narratives of interactive time with young children, to examine the narratives from the perspective of living through E-series time, and to approach the meaning of play describing the experienced reality of the teacher. This study is based on an interview with the ECEC... -
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...
