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  1. No Access

    Article

    Size Distribution of Emission Vortex Rings in Turbulence Induced by Vibrating Wire in Superfluid \(^4\) He

    We report the spontaneous emission of vortex rings from turbulence induced by a vibrating wire in superfluid \(^4\) 4 He, and investigate the statistical behavior of quantum turbulence. Using a set of vibra...

    H. Yano, K. Hamazaki, N. Koizumi, K. Sato, K. Obara in Journal of Low Temperature Physics (2020)

  2. Article

    Development of cable-in-conduit conductor for ITER CS in Japan

    The National Institutes for Quantum and Radiological Science and Technology has the responsibility to develop a cable-in-conduit conductor (CICC) for the ITER central solenoid (CS). Qualification tests of CICC...

    H. Kajitani, T. Hemmi, T. Suwa, Y. Takahashi, K. Matsui, N. Koizumi in SN Applied Sciences (2019)

  3. No Access

    Article

    Geochemical characteristics of hydrous basaltic magmas due to assimilation and fractional crystallization: the Ikoma gabbroic complex, southwest Japan

    To clarify the processes that occur in hydrous basaltic magma chambers, we have undertaken detailed petrological and geochemical analyses of mafic and intermediate rocks from the Ikoma gabbroic complex, southw...

    N. Koizumi, T. Okudaira, D. Ogawa, K. Yamashita, Y. Suda in Mineralogy and Petrology (2016)

  4. No Access

    Article

    Characterization of capsid-modified adenovirus vectors containing heterologous peptides in the fiber knob, protein IX, or hexon

    Adenovirus (Ad) vectors are widely used in gene therapy and in vitro/in vivo gene transfer because of their high transduction efficiency. However, Ad vector application in the gene therapy field is limited by poo...

    S Kurachi, N Koizumi, F Sakurai, K Kawabata, H Sakurai, S Nakagawa in Gene Therapy (2007)

  5. No Access

    Article

    Analysis of cracking of lithium tantalate (LiTaO3) single crystals due to thermal stress

    Quantitative estimation of failure of a LiTaO3 single crystal due to thermal stress was investigated. Cylindrical test slabs were heated in a silicone oil bath, then subjected to large thermal stress by pouring s...

    N. Miyazaki, N. Koizumi in Journal of Materials Science (2006)

  6. No Access

    Article

    Adenovirus serotype 35 vector-mediated transduction into human CD46-transgenic mice

    We previously demonstrated that systemic administration of adenovirus serotype 35 (Ad35) vectors to mice does not mediate efficient transduction in organs, probably because expression of the mouse analog of th...

    F Sakurai, K Kawabata, N Koizumi, N Inoue, M Okabe, T Yamaguchi, T Hayakawa in Gene Therapy (2006)

  7. No Access

    Article

    CAR- or αv integrin-binding ablated adenovirus vectors, but not fiber-modified vectors containing RGD peptide, do not change the systemic gene transfer properties in mice

    Targeted gene delivery to the tissue of interest by recombinant adenovirus (Ad) vectors is limited by the relatively broad expression of the primary receptor, the coxsackievirus and adenovirus receptor (CAR), ...

    H Mizuguchi, N Koizumi, T Hosono, A Ishii-Watabe, E Uchida, N Utoguchi in Gene Therapy (2002)

  8. No Access

    Article

    Identification of early-responsive genes associated with the hypersensitive response to tobacco mosaic virus and characterization of a WRKY-type transcription factor in tobacco plants

    In order to identify genes that are involved in the defense reaction against pathogen attack, we screened for examples that are regulated during the hypersensitive response (HR) to infection by tobacco mosaic...

    H. Yoda, M. Ogawa, Y. Yamaguchi, N. Koizumi, T. Kusano in Molecular Genetics and Genomics (2002)

  9. No Access

    Article

    Microseismicity Induced by Heavy Rainfall Around Flooded Vertical Ore Veins

     — Microseismicity (M < 0) induced by heavy rainfall was investigated around the flooded, vertically dip** Tertiary ore veins with dimensions of about 1 km × 1 km in the Ikuno mine, Japan. The ore veins had roc...

    H. Ogasawara, K. Fujimori, N. Koizumi, N. Hirano in pure and applied geophysics (2002)

  10. No Access

    Article

    A simplified system for constructing recombinant adenoviral vectors containing heterologous peptides in the HI loop of their fiber knob

    The use of recombinant adenovirus (Ad) vectors containing genetically modified capsid proteins is an attractive strategy for achieving targeted gene transfer. The HI loop of the fiber knob is a promising candi...

    H Mizuguchi, N Koizumi, T Hosono, N Utoguchi, Y Watanabe, M A Kay in Gene Therapy (2001)

  11. No Access

    Article

    Two novel genes encoding SNF1-related protein kinases from Arabidopsis thaliana: differential accumulation of AtSR1 and AtSR2 transcripts in response to cytokinins and sugars, and phosphorylation of sucrose synthase by AtSR2

    We searched for genes encoding members of the group-3 SNF1-related protein kinase (SnRK3) family in the Arabidopsis thaliana database, and seven independent sequences were identified. Transcripts of two of them ...

    H. Chikano, M. Ogawa, Y. Ikeda, N. Koizumi, T. Kusano in Molecular and General Genetics MGG (2001)

  12. No Access

    Article

    Diverse response of rice and maize genes encoding homologs of WPK4, an SNF1-related protein kinase from wheat, to light, nutrients, low temperature and cytokinins

    The wheat gene WPK4 encodes a 56-kDa protein kinase that belongs to group 3 of the SNF1-related protein kinase family (SnRK3), and is up-regulated by light and cytokinins and down-regulated by sucrose. In order ...

    H. Ohba, N. Steward, S. Kawasaki, T. Berberich in Molecular and General Genetics MGG (2000)

  13. No Access

    Article

    Secreted proteins of tobacco cultured BY2 cells: identification of a new member of pathogenesis-related proteins

    Cultured cells of tobacco BY2 secrete more than 100 proteins into culture medium. Six major proteins were purified, and partial protein sequences were determined. Five of them were found to be similar to an as...

    Y. Okushima, N. Koizumi, T. Kusano, H. Sano in Plant Molecular Biology (2000)

  14. No Access

    Article

    Gibberellin-responsive genes: high level of transcript accumulation in leaf sheath meristematic tissue from Zea mays L.

    In order to identify genes that are related to the gibberellin (GA) response in maize (Zea mays L.), mRNA species from wild-type and single-gene dwarf mutants, d5 and D8, were compared by fluorescent different...

    M. Ogawa, T. Kusano, N. Koizumi, M. Katsumi, H. Sano in Plant Molecular Biology (1999)

  15. No Access

    Chapter

    Thermal and Hydraulic Measurement in the ITER QUELL Experiments

    The Japan Atomic Energy Research Institute has a collaboration with the European Union, the United States of America and the Russian Federation for the International Thermonuclear Experimental Reactor (ITER). ...

    K. Hamada, Y. Takahashi, N. Koizumi, H. Tsuji in Advances in Cryogenic Engineering (1998)

  16. No Access

    Chapter

    Experimental Investigation of Stability in Cable — in — Conduit Conductors Subjected to Varying Field Due to Plasma Disruption

    The stability in cable-in-conduit conductors subjected to varying field has been experimentally investigated to obtain a data base for conductor design of the ITER coils. The conductors of the ITER-coil are de...

    M. Nozawa, T. Ando, S. Iwamoto, S. Yasukawa in Advances in Cryogenic Engineering Material (1997)

  17. No Access

    Article

    Serial MRI in early Creutzfeldt-Jacob disease with a point mutation of prion protein at codon 180

    We report a 66-year-old woman with histologically diagnosed Creutzfeldt-Jacob disease (CJD), followed with MRI from an early clinical stage. MRI demonstrated expansion of the high cortical signal on T2-weighte...

    S. Ishida, M. Sugino, N. Koizumi, K. Shinoda, N. Ohsawa, T. Ohta in Neuroradiology (1995)

  18. No Access

    Chapter

    The Second Test Results on the Nb3Sn Demo Poloidal Coil(DPC-EX)

    The second test of the DPC-EX fabricated as one of developments of superconducting poloidal coils for fusion machines, has been carried out. The DPC-EX is a winding inner diameter of 1m, wound with a Nb3Sn cable-...

    T. Ando, H. Nakajima, T-Y. Sasaki, T. Hiyama in Advances in Cryogenic Engineering (1994)

  19. Article

    Characterization of Ultrathin Organic Membranes by Vibrational Spectroscopy

    We first deal with a new method for quantitative evaluation of the molecular orientation in thin Langmuir-Blodgett (LB) films by Fourier transform infrared (FT-IR) transmission and reflection-absorption (RA) s...

    T Takenaka, J Umemura, T Kamata, T Kawai, N Koizumi in Polymer Journal (1991)

  20. No Access

    Chapter and Conference Paper

    Photoautotrophic Culture: A Model System to Investigate the Regulation of Gene Expression in Cultured Plant Cells

    Photoautotrophism is one of the outstanding characteristics carried out by chloroplasts in plant cells. This unique property is usually not expressed in cultured plant cells, because they are grown heterotroph...

    F. Sato, S. Takeda, Y. Shigematsu in Primary and Secondary Metabolism of Plant … (1989)

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