Low latitude ionosphere-thermosphere dynamics studies with inosonde chain in Southeast Asia (2008)
Maruyama, T., Kawamura, M., Saito, S., Nozaki, K., Kato, H., Hemmakorn, N., ...
An ionosonde network consisting of a meridional chain and an equatorial pair was established in the Southeast Asian area. Three of four ionosondes are along the magnetic meridian of 100° E; two are...
A transequatorial radio-wave propagation experiment at shortwave frequencies (HF-TEP) was done between Shepparton, Australia, and Oarai, Japan, using the radio broadcasting signals of Radio...
Low latitude ionosphere-thermosphere dynamics studies with inosonde chain in Southeast Asia (2008)
Maruyama, T., Kawamura, M., Saito, S., Nozaki, K., Kato, H., Hemmakorn, N., ...
An ionosonde network consisting of a meridional chain and an equatorial pair was established in the Southeast Asian area. Three of four ionosondes are along the magnetic meridian of 100° E; two are...
A transequatorial radio-wave propagation experiment at shortwave frequencies (HF-TEP) was done between Shepparton, Australia, and Oarai, Japan, using the radio broadcasting signals of Radio...
Kawamura, M., Takahashi, H., Masubuchi, S., Hashimoto, Y., Katsumoto, S., Hamaya, K., ...
Nuclear spins are polarized electrically in a breakdown regime of an odd-integer quantum Hall effect (QHE). Electron excitation to the upper Landau subband with the opposite spin polarity flips...
Kondo effect in a semiconductor quantum dot coupled to ferromagnetic electrodes (2007)
Hamaya, K., Kitabatake, M., Shibata, K., Jung, M., Kawamura, M., Hirakawa, K., ...
Using a laterally-fabricated quantum-dot (QD) spin-valve device, we experimentally study the Kondo effect in the electron transport through a semiconductor QD with an odd number of electrons (N). In...
Hamaya, K., Kitabatake, M., Shibata, K., Jung, M., Kawamura, M., Hirakawa, K., ...
We demonstrate an electric-field control of tunneling magnetoresistance (TMR) effect in a semiconductor quantum-dot (QD) spin-valve device. By using ferromagnetic Ni nano-gap electrodes, we observe...
Electrical coherent control of nuclear spins in a breakdown regime of quantum Hall effect (2007)
Takahashi, H., Kawamura, M., Masubuchi, S., Hamaya, K., Machida, T., Hashimoto, Y., ...
Using a conventional Hall-bar geometry with a micro-metal strip on top of the surface, we demonstrate an electrical coherent control of nuclear spins in an AlGaAs/GaAs semiconductor heterostructure....
Electrical polarization of nuclear spins in a breakdown regime of quantum Hall effect (2006)
Kawamura, M., Takahashi, H., Sugihara, K., Masubuchi, S., Hamaya, K., Machida, T.
We have developed a method for electrical polarization of nuclear spins in quantum Hall systems. In a breakdown regime of odd-integer quantum Hall effect (QHE), excitation of electrons to the upper...
Spin transport through a single self-assembled InAs quantum dot with ferromagnetic leads (2006)
Hamaya, K., Masubuchi, S., Kawamura, M., Machida, T., Jung, M., Shibata, K., ...
We have fabricated a lateral double barrier magnetic tunnel junction (MTJ) which consists of a single self-assembled InAs quantum dot (QD) with ferromagnetic Co leads. The MTJ shows clear hysteretic...
Spectroscopy of SrRuO/Ru Junctions in Eutectic (2006)
Yaguchi, H., Takizawa, K., Kawamura, M., Kikugawa, N., Maeno, Y., Meno, T., ...
We have investigated the tunnelling properties of the interface between superconducting Sr2RuO4 and a single Ru inclusion in eutectic. By using a micro-fabrication technique, we have made Sr2RuO4/Ru...
Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
We search for coincident gravitational wave signals from inspiralling neutron star binaries using LIGO and TAMA300 data taken during early 2003. Using a simple trigger exchange method, we perform an...
Akutsu, T., Akutsu, T., Ando, M., Arai, K., Araya, A., Asada, H., ...
We analyze the data of the TAMA300 detector to search for gravitational waves from inspiraling compact star binaries with masses of the component stars in the range 1M[sun]–3M[sun]. In this...
Concentration of hydrogen nanobubbles in electrolyzed water (2006)
Kikuchi, K, Tanaka, Y, Saihara, Y, Maeda, M, Kawamura, M, Ogumi, Z
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Ajith,P., ...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott,B., Abbott,R., Adhikari,R., Ageev,A., Agresti,J., Ajith,P., ...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
Ando, M., Arai, K., Aso, Y., Beyersdorf, P., Hayama, K., Iida, Y., ...
Upper limits from the LIGO and TAMA detectors on the rate of gravitational-wave bursts (2005)
Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, J., Ajith, P., ...
Igarashi, S., Kawamura, M., Watanabe, A.
Formation of microstructure in cement pastes and mortars were quantitatively analyzed by the SEM-BSE image analysis. Effects of water/cement ratio and of the addition of mineral admixtures on the...
Kawamura, M., Yaguchi, H., Kikugawa, N., Maeno, Y., Takayanagi, H.
We have investigated the magnetic field and temperature dependence of the tunneling spectra of the eutectic system Sr2RuO4-Ru. Electric contacts to individual Ru lamellae embedded in Sr2RuO4 enable...
Proximity Effect in a Superconductor-Metallofullerene-Superconductor Molecular Junction (2004)
Kasumov, A. Yu., Tsukagoshi, K., Kawamura, M., Kobayashi, T., Aoyagi, Y., Senba, K., ...
We report low-temperature transport measurements through molecules of Gd metallofullerenes between superconducting suspended electrodes. The presence and number of molecules in the 2 nm-wide gap...
The N-terminus of the Na+,K+-ATPase -subunit acts like an inactivation “ball” (2003)
Wu, C. H., Vasilets, L. A., Takeda, K., Kawamura, M., Schwarz, W.
Nanowires and Nanorings at the Atomic Level (2003)
Kawamura, M., Paul, N., Cherepanov, V., Voigtländer, B.
This version is available at the following Publisher URL: http://prl.aps.org
The RF source of the 60-MeV Linac for the KEK/JAERI Joint Project (2000)
Fukuda, S., Anami, A., Kubota, C., Kawamura, M., Yamaguchi, S., Ono, M., ...
The construction of the 60-MeV proton linac has started as a low-energy front of the KEK/JAERI Joint Project for a high-intensity proton accelerator facility at KEK. The accelerating frequency is 324...
Status of the new muon (g-2) experiment (2000)
Nodulman, L, Roberts, B L, Carey, R M, Earle, W, Efstathiadis, E F, Hare, M, ...
H. N. Brown, G. Bunce, R. M. Carey, P. Cushman, G. T. Danby, P. T. Debevec, ...
The muon (g Gamma 2) experiment at Brookhaven has completed a first run. The main components of the experiment, which include the superconducting inflector, the superferric storage ring and the...
Matsuzaki, Y., Kawamura, M., Fujioka, J., Minakata, S., Miyamoto, Y.
This paper concerned mmc in some important way and contained information about, utilized, or discussed these subjects: basic topics:, analytical, data, imc, imc data, reports materials and material...
High-power test of the RF window for a UHF pulse Klystron (1998)
Kawamura, M, Wang, X L, Fukuda, S, Kubota, C, Miyake, S, Sakamoto, M
Development of a high-power VHF klystron for JHF (1998)
Fukuda, S, Anami, S, Naito, F, Kubota, C, Kawamura, M, Miyake, S, ...
Beam test of the pre-injector and the 3-MeV $H^{-}$ RFQ with a new field stabilizer PISL (1997)
Ueno, A, Fujimura, S, Yamashita, Y, Tanaka, M, Kubota, C, Yoshino, K, ...
Okamoto, T., Fujita, K., Kawamura, M.
The local structure around Mo atoms in fuel-saving engine oils has been investigated by XAFS using laboratory scale equipment. The EXAFS results suggest that the local structure of the Mo atoms in...
Okamoto, T., Fujita, K., Kawamura, M.
The local structure around Mo atoms in fuel-saving engine oils has been investigated by XAFS using laboratory scale equipment. The EXAFS results suggest that the local structure of the Mo atoms in...
Okamoto, T., Fujita, K., Kawamura, M.
The local structure around Mo atoms in fuel-saving engine oils has been investigated by XAFS using laboratory scale equipment. The EXAFS results suggest that the local structure of the Mo atoms in...
Elizalde, E., Kawamura, M., Nojiri, S., Odintsov, S. D., Sugamoto, A.
The static potential is investigated in string and membrane theories coupled to $U(1)$ gauge fields (specifically, external magnetic fields) and with antisymmetric tensor fields. The explicit...
First operation of a 432-MHz, 3-MeV RFQ stabilized with PISLs (1995)
Ueno, A, Yamazaki, Y, Fujimura, S, Kubota, C, Yoshino, K, Morozumi, Y, ...
rf characteristics of a high-power model of the 432 MHz DTL (1995)
Naito, F, Anami, S, Igarashi, Z E, Kato, T, Kawamura, M, Kubota, T, ...
High-power test of a 432-MHz, 3-MeV RFQ stabilized with PISLs (1994)
Ueno, A, Yamazaki, Y, Kubota, C, Yoshino, K, Morozumi, Y, Kawamura, M, ...
Murata, K., Kawamura, M., Nagami, K.
The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...
Murata, K., Kawamura, M., Nagami, K.
The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...
Murata, K., Kawamura, M., Nagami, K.
The spatial resolution of X-ray microanalysis has been investigated by Monte Carlo calculations, including knock-on secondary electron production. The results for AuMα in a l000Å thin Au film...
Kawamura, M, McVicar, D W, Johnston, J A, Blake, T B, Chen, Y Q, Lal, B K, ...
Protein-tyrosine kinases (PTKs) are critical enzymes for receptor-mediated signaling in lymphocytes. Because natural killer (NK) cells are large granular lymphocytes with specialized effector...
Mizuno, T, Kaibuchi, K, Yamamoto, T, Kawamura, M, Sakoda, T, Fujioka, H, ...
We have purified a stimulatory GDP/GTP exchange protein for smg p21A and -B, ras p21-like small GTP-binding proteins (G proteins), cloned its cDNA, and named it GDP dissociation stimulator (smg p21...
Toki, J, Kumamoto, T, Ogata, H, Kawamura, M, Fukumoto, M, ...
Using differential radiation sensitivity of components of mouse embryonal thymus, an in vitro method for studying T-cell differentiation from hemopoietic stem cells (HSCs) in the G0 phase was...
Organ-specific and systemic autoimmune diseases originate from defects in hematopoietic stem cells.
Ikehara, S, Kawamura, M, Takao, F, Inaba, M, Yasumizu, R, Than, S, ...
Transplantation of bone marrow cells from nonobese diabetic (NOD) mice, a model for type 1 diabetes mellitus, to C3H/HeN mice, which express I-E alpha molecules and have aspartic acid at residue 57...
Integration is essential for efficient gene expression of human immunodeficiency virus type 1.
Sakai, H, Kawamura, M, Sakuragi, J, Sakuragi, S, Shibata, R, Ishimoto, A, ...
A mutant of human immunodeficiency virus type 1 which carries a frameshift insertion in the integrase/endonuclease region of pol gene was constructed in vitro. Upon transfection into cells, although...
Sakai, H, Shibata, R, Sakuragi, J, Sakuragi, S, Kawamura, M, Adachi, A
A highly sensitive single-round infection assay using a bacterial chloramphenicol acetyltransferase was developed to analyze an early stage of human immunodeficiency virus type 1 replication. By a...
Shibata, R, Kawamura, M, Sakai, H, Hayami, M, Ishimoto, A, Adachi, A
We constructed five chimeric clones between human immunodeficiency virus type 1 (HIV-1) and simian immunodeficiency virus (SIVMAC) and four SIVMAC mutants by recombinant DNA techniques. Three...
Kominami, K, Okura, N, Kawamura, M, DeMartino, G N, Slaughter, C A, Shimbara, N, ...
Nin1p, a component of the 26S proteasome of Saccharomyces cerevisiae, is required for activation of Cdc28p kinase at the G1-S-phase and G2-M boundaries. By exploiting the temperature-sensitive...
Tsutsumi, K, Inoue, Y, Shima, A, Iwasaki, K, Kawamura, M, Murase, T
We have discovered a novel compound, NO-1886, which possesses a powerful lipoprotein lipase (LPL) activity-increasing action. Administration of NO-1886 increased LPL activity in the postheparin...
Shimano, H, Namba, Y, Ohsuga, J, Kawamura, M, Yamamoto, K, Shimada, M, ...
To investigate the role of apoE in hepatic uptake of chylomicron remnants, we studied chylomicron metabolism in transgenic mice overexpressing apoE in the liver. Plasma clearance of injected...
Inaba, T, Shimano, H, Gotoda, T, Harada, K, Shimada, M, Kawamura, M, ...
Macrophage colony-stimulating factor (M-CSF) regulates cholesterol metabolism in vivo and in vitro. We studied the effects of M-CSF on enzyme activities of acidic cholesteryl ester (CE) hydrolase,...
Gotoda, T, Yamada, N, Kawamura, M, Kozaki, K, Mori, N, Ishibashi, S, ...
The DNA sequences were determined for the lipoprotein lipase (LPL) gene from five unrelated Japanese patients with familial LPL deficiency. The results demonstrated that all five patients are...
Kawamura, M, Heinecke, J W, Chait, A
Oxidized lipoproteins may be important in the pathogenesis of atherosclerosis. Because diabetic subjects are particularly prone to vascular disease, and glucose autoxidation and protein glycation...
Besman, M J, Yanagibashi, K, Lee, T D, Kawamura, M, Hall, P F, Shively, J E
Delivery of cholesterol to inner mitochondrial membranes is rate-limiting for steroidogenesis in the zona fasciculata of adrenal cortex. A protein that stimulates this process was isolated to...
Kawamura, M, Jensen, D F, Wancewicz, E V, Joy, L L, Khoo, J C, Steinberg, D
Differentiation of 3T3-L1 fibroblasts to adipocyte-like cells was accompanied by a 19-fold increase in neutral triglyceride lipase activity, a 12-fold increase in diglyceride lipase activity, a...
A new restriction endonuclease from Spirulina platensis.
Kawamura, M, Sakakibara, M, Watanabe, T, Kita, K, Hiraoka, N, Obayashi, A, ...
Three restriction endonucleases, Sp1I, Sp1II and Sp1III have been purified partially from Spirulina platensis subspecies siamese and named. Sp1I cleaves bacteriophage lambda DNA at one site, phi X...
Horiuchi, H, Kaibuchi, K, Kawamura, M, Matsuura, Y, Suzuki, N, Kuroda, Y, ...
Mammalian ras genes substitute for the yeast RAS gene, and their products activate adenylate cyclase i