• Title/Summary/Keyword: bases

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Translocation of DNA bases sandwiched between two graphene layers: an ab-initio study on their energetics and molecular fingerprints.

  • Shim, Yoon Su
    • Proceeding of EDISON Challenge
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    • 2014.03a
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    • pp.442-445
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    • 2014
  • In this work, we studied the interactions of the complexes of a DNA base inserted between graphene layers through density functional theory (DFT) calculations. We find that there exists the negligible energy barrier as well as robust and distinguishable electronic fingerprints during the translocation of the DNA bases. Our result shows that the bilayer graphene can be a possible candidate for the future-generation of DNA sequencing device platform.

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Structural Behaviors for Pressurized Fabric Leaning Arches

  • Kim, Jae Yeol
    • Architectural research
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    • v.3 no.1
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    • pp.45-52
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    • 2001
  • In this paper, a pressurized single vertical arch and a pressurized leaning arch composed of flexible fabric material are considered. These arches have also been considered as a possible support structure for the tent-like structures. Two different boundary conditions are considered in leaning arches with fixed bases and pinned bases. The behaviors of the leaning arches are investigated for two tilt angles as 15, 30. For each angle, two loading conditions are considered as uniformly distributed load and wind loads. The F.E.M. is used through the all analysis procedures. For the results, load-deflection relationships, buckling modes, differences between two boundary conditions and deformed configurations are discussed.

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Nuclear Design Characteristics of SMART

  • Lee, Chungchan;Park, Sang-Yoon;Lee, Ki-Bog;Zee, Sung-Quun;Chang, Moon-Hee
    • Proceedings of the Korean Nuclear Society Conference
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    • 1998.05a
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    • pp.19-26
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    • 1998
  • Nuclear design bases for System-Integrated Modular Advanced ReacTor(SMART) core are presented. Based on the proposed design bases, a SMART core loading pattern is constructed and its nuclear characteristics are studied. The proposed core loading pattern satisfies 3-year cycle length and soluble boron-free operation requirements at any time during the cycle

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Synthesis of Mannich Bases of Antineoplaston A10 and their Antitumor Activity

  • Choi, Bo-Gil;Seo, Hee-Kyoung;Chung, Byung-Ho;Choi, Sang-Un;Lee, Chong-Ock
    • Archives of Pharmacal Research
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    • v.17 no.6
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    • pp.467-469
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    • 1994
  • Some Mannich bases of Antineoplaston A10 which is antitumor agent under chlinical investigation were synthesized and tested fro cytotoxicity. The tested compounds (2a, 2b, 2d) showed good activity comparable to that of carboplatin.

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Synthesis, Antinicrobial and Molluscicidal Activities of New Benzimidazole Derivatives

  • Nofal, Z.M.;Fanmy, H.H.;Mohamed, H.S.
    • Archives of Pharmacal Research
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    • v.25 no.1
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    • pp.28-38
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    • 2002
  • A series of Schiff's benzimidazole bases, thiosemicarbazides were synthesized, azole ring systems as 1,3,4-triazole, 1,3,4-oxadiazole were prepared. 1-Methylbenzimidazole incorporated to substituted dithio-carbamate, thiophenol, diethylamine via acetamido group were synthesized. A series of pyrimidinobenzimidazoles, triazinobenz-imidazoles, and 2-(acetonylamino)-1-methyl-benzimidazole were prepared. The antimicrobial and molluscicidal activities of some newly prepared compounds were carried out.

Stressed High Temperature Superconductor Films

  • Nikolaevich, Yugay Klimenty;Soh, Deawha
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2004.05a
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    • pp.80-84
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    • 2004
  • The goal of the project is to study and describe a new stressed state of High Temperature Superconducting (High-Tc) YBCO Films, to create of SQUIDs on the bases of these Films with maximal sensitivity. The problems of the project are: 1. The experimental studying of the stressed films growing by laser ablation method. 2. The studying of stressed film properties. 3. The making of the dc-SQUIDs with maximal sensitivity on the bases of the stressed YBCO films.

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RELATIVE INTEGRAL BASES OVER A RAY CLASS FIELD

  • Choi, So-Young
    • Bulletin of the Korean Mathematical Society
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    • v.43 no.1
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    • pp.77-80
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    • 2006
  • Let K be a number field, $K_n$ its ray class field with conductor n and L a Galois extension of K containing $K_n$. We prove that $L/K_n$ has a relative integral basis (RIB) under certain simple condition. Also we reduce the problem of the existence of a RIB to a quadratic extension of $K_n$ under some condition.

Synthesis of Poly(enaryloxynitriles) Containing Schiff Bases and Their Thermal Properties

  • 김상곤;한양규;공명선
    • Bulletin of the Korean Chemical Society
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    • v.16 no.4
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    • pp.326-331
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    • 1995
  • Poly(enaryloxynitriles) containing Schiff bases were prepared from p-bis(1-chloro-2,2-dicyanovinyl)benzene (2) and various aromatic diols having Schiff base moiety by interfacial polymerization. The chemical structure of the polymers was confirmed through synthesis of their corresponding model compounds. All the polymers were soluble in polar aprotic solvents and their brittle films were cast from DMF solution. They showed a large exotherm around 340 ℃ attributable to the chemical change of dicyanovinyl group. Especially, curing of azomethine group was observed to occur at 390 ℃ by differential scanning calorimetry. According to the thermogravimetric analyses, they exhibited excellent thermal stability with 60-90% residual weight at 500 ℃ in nitrogen.

ON NORMAL BASES

  • CHO, IN-HO
    • Journal of the Korean Mathematical Society
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    • v.21 no.2
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    • pp.173-175
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    • 1984
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