Ishii, M., Murayama, Y., Kubota, M., Mori, H., ...
The cosmic noise absorption (CNA) is compared with the precipitating electron flux for 19 events observed in the morning sector, using the high-resolution data obtained during the conjugate...
Mori, H., Ishii, M., Murayama, Y., Kubota, M., Sakanoi, K., ...
This study is a statistical analysis on energy distribution of precipitating electrons, based on CNA (cosmic noise absorption) data obtained from the 256-element imaging riometer in Poker Flat,...
Ishii, M., Murayama, Y., Kubota, M., Mori, H., ...
The cosmic noise absorption (CNA) is compared with the precipitating electron flux for 19 events observed in the morning sector, using the high-resolution data obtained during the conjugate...
Mori, H., Ishii, M., Murayama, Y., Kubota, M., Sakanoi, K., ...
This study is a statistical analysis on energy distribution of precipitating electrons, based on CNA (cosmic noise absorption) data obtained from the 256-element imaging riometer in Poker Flat,...
Effects of out-of-plane disorder on the nodal quasiparticle and superconducting gap in Bi2201 (2008)
Hashimoto, M., Yoshida, T., Fujimori, A., Lu, D. H., Kubota, M., ...
How out-of-plane disorder affects the electronic structure has been investigated for the single-layer cuprates Bi$_2$Sr$_{1.6}$$Ln$$_{0.4}$CuO$_{6+\delta}$ ($Ln$ = La, Nd, Gd) by angle-resolved...
Observation of Coherent Precession of Magnetization in Superfluid 3He A-phase (2008)
Sato, T., Kunimatsu, T., Izumina, K., Matsubara, A., Kubota, M., Mizusaki, T., ...
We report the first observation of coherent quantum precession of magnetization (CQP) in superfluid 3He-A in aerogel. The coherent precession in bulk 3He A-phase is unstable due to the positive...
Ikeda, M., Yoshida, T., Fujimori, A., Kubota, M., Ono, K., Das, Hena, ...
We have performed angle-resolved photoemission spectroscopy (ARPES) measurements and first-principles electronic structure calculations on the electron-doped high-Tc superconductors Ln1.85Ce0.15CuO4...
Hashimoto, M., Yoshida, T., Yagi, H., Takizawa, M., Fujimori, A., Kubota, M., ...
We have performed angle-resolved photoemission and core-level x-ray photoemission studies of the single-layer cuprate Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6+\delta}$ (Bi2201) and revealed the doping evolution...
Annealing Effect for Supersolid Fraction in $^4$He (2007)
Penzev, A., Yasuta, Y., Kubota, M.
We report on experimental confirmation of the non-classical rotational inertia (NCRI) in solid helium samples originally reported by Kim and Chan. The onset of NCRI was observed at temperatures below...
Ikeda, M., Yoshida, T., Fujimori, A., Kubota, M., Ono, K., Unozawa, K., ...
We have performed an angle-resolved photoemission study of the electron-doped high-Tc superconductors (HTSCs) Sm_{1.85}Ce_{0.15}CuO_{4} (SCCO) and Eu_{1.85}Ce_{0.15}CuO_{4} (ECCO). Around the nodal...
NMR of superfluid 3He in anisotropic aerogel (2006)
Kunimatsu, T., Sato, T., Izumina, K., Matsubara, A., Sasaki, Y., Kubota, M., ...
We report on orientation of the order parameter in the 3He-A and 3He-B phases caused by aerogel anisotropy. In 3He-A we have observed relatively homogeneous NMR line with an anomalously large...
Nakayama, K., Sato, T., Terashima, K., Matsui, H., Takahashi, T., Kubota, M., ...
We have performed high-resolution angle-resolved photoemission spectroscopy on YBa2Cu3O7-delta (Y123; delta = 0.06; Tc = 92 K). By accurately determining the Fermi surface and energy band dispersion,...
Vortex formation and annihilation in three textures of rotating superfluid 3He-A (2004)
Ishiguro, R, Ishikawa, O, Yamashita, M, Sasaki, Y, Fukuda, K, Kubota, M, ...
Rotation-induced 3D vorticity in 4He superfluid films adsorbed on a porous glass (2004)
Fukuda, M., Zalalutdinov, M. K., Kovacik, V., Minoguchi, T., Obata, T., Kubota, M., ...
Detailed study of torsional oscillator experiments under steady rotation up to 6.28 rad/sec is reported for a 4He superfluid monolayer film formed in 1 micrometer-pore diameter porous glass. We found...
Aiura, Y., Hase, I., Bando, H., Yagi-Watanabe, K., Tanaka, K., Ozawa, K., ...
We present an angle-resolved photoemission (ARPES) study on the layered transition-metal dichalcogenide 1{\em T}-TaS$_{1.2}$Se$_{0.8}$ in the metallic commensurate charge-density-wave (CDW) phase. A...
Casher, DL, Tsuji, H, Sano, A, Katkevics, M, Toshimitsu, A, Tamao, K, ...
The vortex pair phase field is calculated, through a solution of the Laplace equation, for a superfluid film adsorbed on the surface of a model 3D connected porous medium. A number of different...
Rates of neutrino conversion and decay in hot and dense QED plasma (2001)
Asida, N., Niégawa, A., Ozaki, H., Kubota, M.
Using a real-time formalism of equilibrium and nonequilibrium quantum-field theory, we derive the reaction-rate formula for neutrino-conversion ($\nu \to \nu'$) process and $\nu \bar{\nu}'$...
Highly Degenerate Canted Spin Structure in Bilayer Manganite La$_{1.1}$Sr$_{1.9}$Mn$_2$O$_7$ (2001)
Kubota, M., Oohara, Y., Yoshizawa, H., Fujioka, H., Hirota, K., Moritomo, Y., ...
We have examined magnetic ordering of the two-dimensional (2D) bilayer manganite La$_{1.1}$Sr$_{1.9}$Mn$_2$O$_7$ with neutron diffraction technique. Due to the two-dimensionality, there appears...
Hirota, K., Ishihara, S., Fujioka, H., Kubota, M., Yoshizawa, H., Moritomo, Y., ...
Low-temperature spin dynamics of the double-layered perovskite La_2-2x_Sr_1+2x_Mn_2_O_7 (LSMO327) was systematically studied in a wide hole concentration range (0.3
Kubota, M., Oohara, Y., Yoshizawa, H., Fujioka, H., Shimizu, K., Hirota, K., ...
The charge ordering in the bilayer manganite system La$_{2-2x}$Sr$_{1+2x}$Mn$_{2}$O$_{7}$ with $0.30 \le x \le 0.50$ has been studied by neutron diffraction. The charge order is characterized by the...
Charge and spin ordering in Nd{1/3}Sr{2/3}FeO{3} (2000)
Kajimoto, R., Oohara, Y., Kubota, M., Yoshizawa, H., Park, S. K., Taguchi, Y., ...
We have investigated the charge and spin ordering in Nd{1/3}Sr{2/3}FeO{3} with neutron diffraction technique. This sample undergoes a charge ordering transition accompanying charge disproportionation...
Do students learn differently, and does it matter? (2000)
Kubota, M., Peters, G., Skoutarides, A.
Abstract not available.
Do students learn differently, and does it matter? (2000)
Kubota, M., Peters, G., Skoutarides, A.
Abstract not available.
Do students learn differently, and does it matter? (2000)
Kubota, M., Peters, G., Skoutarides, A.
Abstract not available.
Do students learn differently, and does it matter? (2000)
Kubota, M., Peters, G., Skoutarides, A.
Abstract not available.
Kubota, M., Fujioka, H., Hirota, K., Ohoyama, K., Moritomo, Y., Yoshizawa, H., ...
Comprehensive neutron-powder diffraction and Rietveld analyses were carried out to clarify the relation between the crystal and magnetic structures of La2-2xSr1+2xMn2O7 (0.30 =< x =< 0.50). The...
Spin Dynamical Properties of the Layered Perovskite La1.2Sr1.8Mn2O7 (1999)
Fujioka, H., Kubota, M., Hirota, K., Yoshizawa, H., Moritomo, Y., Endoh, Y.
Inelastic neutron-scattering measurements were performed on a single crystal of the layered colossal magnetoresistance (CMR) material La1.2Sr1.8Mn2O7 (Tc ~ 120K). We found that the spin wave...
Kubota, M., Fujioka, H., Ohoyama, K., Hirota, K., Moritomo, Y., Yoshizawa, H., ...
Systematic powder diffraction studies have been carried out to establish the magnetic phase diagram of La_{2-2x}Sr_{1+2x}Mn_2O_7 (LSMO327) in a wide hall concentration range ($0.30 \leq x \leq...
Kubota, M., Yoshizawa, H., Moritomo, Y., Fujioka, H., Hirota, K., Endoh, Y.
We demonstrate that the half-doped bilayer manganite La_{1}Sr_{2}Mn_{2}O_{7} exhibits CE-type charge-ordered and spin-ordered states below $T_{N, CO}^A = 210$ K and below $T_{N}^{CE} \sim 145$ K,...
SCANNING TUNNELING MICROSCOPY STUDY OF ALKALI METAL ADSORPTION ON THE Si (001) 2x1 SURFACE (1989)
Hasegawa, Y., Hashizume, T., Kamiya, I., Ide, T., Sumita, I., Hyodo, S., ...
Li and K adsorption on the Si(001)2x1 surface has been investigated by field ion-scanning tunneling microscopy (FI-STM). The STM images have shown that at the initial stage of adsorption Li (K) atoms...
SCANNING TUNNELING MICROSCOPY STUDY OF ALKALI METAL ADSORPTION ON THE Si (001) 2x1 SURFACE (1989)
Hasegawa, Y., Hashizume, T., Kamiya, I., Ide, T., Sumita, I., Hyodo, S., ...
Li and K adsorption on the Si(001)2x1 surface has been investigated by field ion-scanning tunneling microscopy (FI-STM). The STM images have shown that at the initial stage of adsorption Li (K) atoms...
SCANNING TUNNELING MICROSCOPY STUDY OF ALKALI METAL ADSORPTION ON THE Si (001) 2x1 SURFACE (1989)
Hasegawa, Y., Hashizume, T., Kamiya, I., Ide, T., Sumita, I., Hyodo, S., ...
Li and K adsorption on the Si(001)2x1 surface has been investigated by field ion-scanning tunneling microscopy (FI-STM). The STM images have shown that at the initial stage of adsorption Li (K) atoms...
Nuclear demagnetization of PrS and PrNi5 (1978)
Buchal, Ch., Fischer, K.J., Kubota, M., Mueller, R.M., Pobell, F.
We have demagnetized the hyperfine enhanced Van Vleck paramagnets PrS and PrNi5. End temperatures of 0.72 mK (PrS), and 0.55 mK (PrNi 5) were measured by a Pt-wire NMR thermometer. The nuclear...
THERMAL BOUNDARY RESISTANCE BETWEEN LIQUID 3He AND COPPER POTASSIUM TUTTON SALT (1978)
Fujii, Y., Kubota, M., Matsumoto, H., Tanaka, Y., Shigi, T.
The thermal boundary resistance between liquid 3He and copper potassium tutton Salt (CPS) was measured in the temperature range of 8.5 mK to 110 mK. The CPS turned out to have the ferromagnetic-like...
Nuclear demagnetization of PrS and PrNi5 (1978)
Buchal, Ch., Fischer, K.J., Kubota, M., Mueller, R.M., Pobell, F.
We have demagnetized the hyperfine enhanced Van Vleck paramagnets PrS and PrNi5. End temperatures of 0.72 mK (PrS), and 0.55 mK (PrNi 5) were measured by a Pt-wire NMR thermometer. The nuclear...
THERMAL BOUNDARY RESISTANCE BETWEEN LIQUID 3He AND COPPER POTASSIUM TUTTON SALT (1978)
Fujii, Y., Kubota, M., Matsumoto, H., Tanaka, Y., Shigi, T.
The thermal boundary resistance between liquid 3He and copper potassium tutton Salt (CPS) was measured in the temperature range of 8.5 mK to 110 mK. The CPS turned out to have the ferromagnetic-like...
Nuclear demagnetization of PrS and PrNi5 (1978)
Buchal, Ch., Fischer, K.J., Kubota, M., Mueller, R.M., Pobell, F.
We have demagnetized the hyperfine enhanced Van Vleck paramagnets PrS and PrNi5. End temperatures of 0.72 mK (PrS), and 0.55 mK (PrNi 5) were measured by a Pt-wire NMR thermometer. The nuclear...
THERMAL BOUNDARY RESISTANCE BETWEEN LIQUID 3He AND COPPER POTASSIUM TUTTON SALT (1978)
Fujii, Y., Kubota, M., Matsumoto, H., Tanaka, Y., Shigi, T.
The thermal boundary resistance between liquid 3He and copper potassium tutton Salt (CPS) was measured in the temperature range of 8.5 mK to 110 mK. The CPS turned out to have the ferromagnetic-like...
Correspondence; A Dental Anomaly. (1936)
Editors: Aug. 1859-July 1865, J. D. White, J. H. McQuillen, G. J. Ziegler.--Aug. 1865-Dec. 1871, J. H. McQuillen, G. J. Ziegler.--Jan. 1872-May 1891, J. W. White.--July 1891-Apr. 1930, E. C. Kirk...
Shinomura, T, Nagatani, A, Hanzawa, H, Kubota, M, Watanabe, M, Furuya, M
We have examined the seed germination in Arabidopsis thaliana of wild type (wt), and phytochrome A (PhyA)- and B (PhyB)-mutants in terms of incubation time and environmental light effects. Seed...
In vitro and in vivo antibacterial activities of CS-834, a novel oral carbapenem.
Fukuoka, T, Ohya, S, Utsui, Y, Domon, H, Takenouchi, T, Koga, T, ...
CS-834 is a novel oral carbapenem antibiotic. This compound is an ester-type prodrug of the active metabolite R-95867. The antibacterial activity of R-95867 was tested against 1,323 clinical isolates...
Minamisawa, K, Seki, T, Onodera, S, Kubota, M, Asami, T
Forty-nine isolates of Bradyrhizobium japonicum indigenous to a field where soybeans were grown for 45 years without inoculation were characterized by using four DNA hybridization probes from B....
Fujita, M, Torigoe, K, Nakada, T, Tsusaki, K, Kubota, M, Sakai, S, ...
The gene (amyP) coding for maltotetraose-forming amylase (exo-maltotetraohydrolase) of Pseudomonas stutzeri MO-19 was cloned. Its nucleotide sequence contained an open reading frame coding for a...
Takeuchi, M, Inoue, N, Strickland, T W, Kubota, M, Wada, M, Shimizu, R, ...
Two forms of erythropoietin, EPO-bi and EPO-tetra, with different biological activities were isolated from the culture medium of a recombinant Chinese hamster ovary cell line, B8-300, into which the...
Parathyroid hormone-related protein purified from a human lung cancer cell line.
Moseley, J M, Kubota, M, Diefenbach-Jagger, H, Wettenhall, R E, Kemp, B E, Suva, L J, ...
A protein with biological activities similar to parathyroid hormone (PTH) has been purified from serum-free culture medium obtained from a human lung cancer cell line (BEN). A major protein band of...
Folkers, K, Bowers, C Y, Tang, P F, Kubota, M
Apparently, no agonist has been found that is comparable in potency to the luteinizing hormone-releasing hormone (LHRH) for release of LH and follicle-stimulating hormone (FSH) without substitutions...
Mechanism of deoxyadenosine and 2-chlorodeoxyadenosine toxicity to nondividing human lymphocytes.
Seto, S, Carrera, C J, Kubota, M, Wasson, D B, Carson, D A
Deoxyadenosine has been implicated as the toxic metabolite causing profound lymphopenia in immunodeficient children with a genetic deficiency of adenosine deaminase (ADA), and in adults treated with...
Specific activity of phosphatidylinositol 3-kinase is increased by insulin stimulation.
Okamoto, M, Hayashi, T, Kono, S, Inoue, G, Kubota, M, Okamoto, M, ...
We investigated whether phosphatidylinositol 3-kinase (PI3K) is phosphorylated and whether its specific activity is increased by insulin stimulation in vivo using Fao cells and antibodies raised...
Kubota, M, Ng, K W, Martin, T J
The effect of 1,25-dihydroxyvitamin D3 on adenylate cyclase responsiveness was studied in the clonal osteogenic sarcoma cell line, UMR 106-06, which responds to several bone active hormones....
Vitamin D metabolism and its possible role in the developing chick embryo.
Kubota, M, Abe, E, Shinki, T, Suda, T
The relationship between bone formation and vitamin D metabolism was investigated in the developing chick embryo. Fertilized White Leghorn eggs were incubated at 38 degrees C in an incubator for 21...
Studies on the secondary structure of nuclear ribonucleic acids
Brentani, M., Kubota, M., Brentani, R.
Rat liver nuclei were separated into two fractions, the nucleolus and the nucleoplasm, by a combined salt–enzymic extraction. RNA was purified from both sources and analysed on sucrose density...
Gene structure of mouse BIT/SHPS-1.
Sano, S, Ohnishi, H, Kubota, M
BIT/SHPS-1/SIRPalpha/P84 is a unique molecule with a high degree of homology with immune antigen recognition molecules (immunoglobulin, T-cell receptor and MHC), and is highly expressed in the brain....
Horikawa, J, Hosokawa, Y, Kubota, M, Nasu, M, Taniguchi, I
1. Glutamatergic excitation and gamma-aminobutyric acid (GABA)-ergic inhibition in layers II and III of the auditory cortex of anaesthetized guinea-pigs were recorded optically using a...
1. Intracellular recordings were made from zebra finch hyperstriatum ventrale pars caudale (HVc) neurones in in vitro slice preparations. 2. Small depolarizing current pulses elicited tonic firing...
Electrophysiology of smooth muscle of the small intestine of some mammals.
Hara, Y, Kubota, M, Szurszewski, J H
Intracellular recordings were made from cells located in the longitudinal, inner and outer circular muscle layers of the dog, cat, rabbit, opossum and human small intestine. In whole-thickness...
Ionic conductance associated with electrical activity of guinea-pig red nucleus neurones in vitro.
Kubota, M, Nakamura, M, Tsukahara, N
Intracellular recordings were made from red nucleus (r.n.) neurones in guinea-pig slice preparations in vitro. In the control solution, a fast action potential was elicited by a depolarizing current...
Shinomura, T, Nagatani, A, Hanzawa, H, Kubota, M, Watanabe, M, Furuya, M
We have examined the seed germination in Arabidopsis thaliana of wild type (wt), and phytochrome A (PhyA)- and B (PhyB)-mutants in terms of incubation time and environmental light effects. Seed...
In vitro and in vivo antibacterial activities of CS-834, a novel oral carbapenem.
Fukuoka, T, Ohya, S, Utsui, Y, Domon, H, Takenouchi, T, Koga, T, ...
CS-834 is a novel oral carbapenem antibiotic. This compound is an ester-type prodrug of the active metabolite R-95867. The antibacterial activity of R-95867 was tested against 1,323 clinical isolates...
Minamisawa, K, Seki, T, Onodera, S, Kubota, M, Asami, T
Forty-nine isolates of Bradyrhizobium japonicum indigenous to a field where soybeans were grown for 45 years without inoculation were characterized by using four DNA hybridization probes from B....
Fujita, M, Torigoe, K, Nakada, T, Tsusaki, K, Kubota, M, Sakai, S, ...
The gene (amyP) coding for maltotetraose-forming amylase (exo-maltotetraohydrolase) of Pseudomonas stutzeri MO-19 was cloned. Its nucleotide sequence contained an open reading frame coding for a...