Y. Nakagawa

Publication List Details

Period

1981 - 2009

Number

155

Co-Authors

Entanglement entropy of SU(3) Yang-Mills theory (2009)

Nakagawa, Y., Nakamura, A., Motoki, S., Zakharov, V. I.

We calculate the entanglement entropy using a SU(3) quenched lattice gauge simulation. We find that the entanglement entropy scales as $1/l^2$ at small $l$ as in the conformal field theory. Here $l$...

vertical bar V-ub vertical bar from exclusive semileptonic B -> rho decays (2009)

Flynn, J.M., Nakagawa, Y., Nieves, Juan Miguel, Toki, H.

We use Omnes representations of the form factors V, A(1) and A(2) for exclusive semileptonic B -> rho decays, and apply them to combine experimental partial branching fraction information with...

Deformation and weak decay of Lambda hypernuclei (2009)

Hagino, K., Win, Myaing Thi, Nakagawa, Y.

We use the self-consistent mean-field theory to discuss the ground state and decay properties of $\Lambda$ hypernuclei. We first discuss the deformation of $\Lambda$ hypernuclei using the...

Coulomb-gauge ghost and gluon propagators in SU(3) lattice Yang-Mills theory (2009)

Nakagawa, Y., Voigt, A., Müller-Preussker, M., Nakamura, A., Saito, T., ...

We study the momentum dependence of the ghost propagator and of the space and time components of the gluon propagator at equal time in pure SU(3) lattice Coulomb gauge theory carrying out a joint...

IR suppression of the Coulomb gauge gluon propagator in SU(3) Yang-Mills theory (2009)

Nakagawa, Y., Nakamura, A., Saito, T., Toki, H.

We calculate the equal-time transverse gluon propagator in Coulomb gauge QCD using a SU(3) quenched lattice gauge simulation on large lattices, up to 11 [fm$^4$]. We find that the equal-time gluon...

Coulomb-gauge ghost and gluon propagators in SU(3) lattice Yang-Mills theory (2009)

Nakagawa, Y., Voigt, A., Ilgenfritz, E. M., Mueller-Preussker, M., Nakamura, A., Saito, T., ...

We study the momentum dependence of the ghost propagator and of the space and time components of the gluon propagator at equal time in pure SU(3) lattice Coulomb-gauge theory carrying out a joint...

ABSTRACTS (2009)

Abdelwahab, A., Gardner, M., Parkash, R., Basta, M., Sapp, J., Veltmann, C., ...

Introduction: Scar-related ventricular tachycardia (VT) is often unmappable. Data regarding the outcomes of ablation for mappable vs unmappable VT are lacking. Methods: Catheter ablation of...

Effects of accretion flow on the chemical structure in the inner regions of protoplanetary disks (2008)

Nomura, H., Aikawa, Y., Nakagawa, Y., Millar, T. J.

We have studied the dependence of the profiles of molecular abundances and line emission on the accretion flow in the hot ($\ga 100$K) inner region of protoplanetary disks. The gas-phase reactions...

The volume dependence of the long-range two-body potentials in various color channels by lattice QCD (2008)

Nakagawa, Y., Nakamura, A., Saito, T., Toki, H.

We study the color-dependent confining forces between two quarks by the quenched lattice simulations of Coulomb gauge QCD. The color-singlet and color-antitriplet instantaneous potentials yield...

Molecular Hydrogen Emission from Protoplanetary Disks II. Effects of X-ray Irradiation and Dust Evolution (2007)

Nomura, H., Aikawa, Y., Tsujimoto, M., Nakagawa, Y., Millar, T. J.

Detailed models for the density and temperature profiles of gas and dust in protoplanetary disks are constructed by taking into account X-ray and ultraviolet (UV) irradiation from a central T Tauri...

Infrared behavior of the Faddeev-Popov operator in Coulomb gauge QCD (2007)

Nakagawa, Y., Nakamura, A., Saito, T., Toki, H.

We calculate the eigenvalue distribution of the Faddeev-Popov operator in Coulomb gauge QCD using quenched SU(3) lattice simulation. In the confinement phase, the density of the low-lying eigenvalues...

Infrared divergence of the color-Coulomb self-energy in Coulomb gauge QCD (2006)

Nakagawa, Y., Saito, T., Toki, H., Nakamura, A.

We investigate the spectrum of the Faddeev-Popov operator in Coulomb gauge QCD using quenched SU(3) lattice simulation. In the confinement phase, we observe the accumulation of the near-zero modes of...

X-ray Flashes or soft Gamma-ray Bursts? The case of the likely distant XRF 040912 (2006)

Stratta, G., Basa, S., Butler, N., Atteia, J. L., Gendre, B., Pelangeon, A., ...

In this work, we present a multi-wavelength study of XRF 040912, aimed at measuring its distance scale and the intrinsic burst properties. We performed a detailed spectral and temporal analysis of...

Cyclotron resonance energies at a low X-ray luminosity: A0535+262 observed with Suzaku (2006)

Terada, Y., Mihara, T., Nakajima, M., Suzuki, M., Isobe, N., Makishima, K., ...

The binary X-ray pulsar A0535+262 was observed with the Suzaku X-ray observatory, on 2005 September 14 for a net exposure of 22 ksec. The source was in a declining phase of a minor outburst,...

HETE-2 Localizations and Observations of Four Short Gamma-Ray Bursts: GRBs 010326B, 040802, 051211 and 060121 (2006)

Donaghy, T. Q., Lamb, D. Q., Sakamoto, T., Norris, J. P., Nakagawa, Y., Villasenor, J., ...

Here we report the localizations and properties of four short-duration GRBs localized by the High Energy Transient Explorer 2 satellite (HETE-2): GRBs 010326B, 040802, 051211 and 060121, all of which...

Properties of Color-Coulomb String Tension (2006)

Nakagawa, Y., Nakamura, A., Saito, T., Toki, H., Zwanziger, D.

We study the properties of the color-Coulomb string tension obtained from the instantaneous part of gluon propagators in Coulomb gauge using quenched SU(3) lattice simulation. In the confinement...

A new public-key cryptosystem and its applications (2006)

Kiriyama, A., Nakagawa, Y., Takaoka, T., Tu, Z.

We propose in this paper a new public-key crypto-system, called the non-linear knapsack cryptosystem. The security of this system is based on the NP-completeness of the non-linear knapsack problem....

Discovery of the short gamma-ray burst GRB 050709 (2005)

Villasenor, J. S., Lamb, D. Q., Ricker, G. R., Kawai, N., Butler, N., ...

Gamma-Ray Bursts (GRBs) fall into two classes: short-hard and long-soft bursts. The latter are now known to have X-ray and optical afterglows, to occur at cosmological distances in star-forming...

Discovery of the short gamma-ray burst GRB 050709 (2005)

Villasenor, J. S., Lamb, D. Q., Ricker, G. R., Kawai, N., Butler, N., ...

Gamma-ray bursts (GRBs) fall into two classes: short-hard and long-soft bursts. The latter are now known to have X-ray and optical afterglows, to occur at cosmological distances in starforming...

HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)

Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...

GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...

HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)

Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...

GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...

HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)

Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...

GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...

HETE-2 Observation of two gamma-ray bursts at z > 3 (2005)

Kawai, N., Vanderspek, R., Pizzichini, G., Ricker, G. R., Barraud, C., ...

GRB 020124 and GRB 030323 constitute half the sample of gamma-ray bursts with a measured redshift greater than 3. This paper presents the temporal and spectral properties of these two gamma-ray...

Design and Performance of the Wide-Field X-Ray Monitor on Board the High-Energy Transient Explorer 2 (2003)

Shirasaki, Y., Kawai, N., Yoshida, A., Matsuoka, M., Tamagawa, T., Torii, K., ...

The Wide-field X-ray Monitor (WXM) is one of the scientific instruments carried on the High Energy Transient Explorer 2 (HETE-2) satellite launched on 2000 October 9. HETE-2 is an international...

Role of Tamm-Horsfall protein and uromodulin in calcium oxalate crystallization (2002)

Carvalho,M., Mulinari,R.A., Nakagawa,Y.

One of the defenses against nephrolithiasis is provided by macromolecules that modulate the nucleation, growth, aggregation and retention of crystals in the kidneys. The aim of the present study was...

Implantation-produced structural damage in InxGa1-xN (2001)

Kucheyev, SO, Williams, JS, Zou, J, Pearton, SJ, Nakagawa, Y

The influence of In content on the accumulation of structural damage in InxGa1-xN films (with x=0.0-0.2) under heavy-ion bombardment is studied by a combination of Rutherford...

Implantation-produced structural damage in InxGa1-xN (2001)

Kucheyev, SO, Williams, JS, Zou, J, Pearton, SJ, Nakagawa, Y

The influence of In content on the accumulation of structural damage in InxGa1-xN films (with x=0.0-0.2) under heavy-ion bombardment is studied by a combination of Rutherford...

Diamagnetic Response of Normal-Superconducting Double Layers (2000)

Sumiyama, A., Endo, T., Nakagawa, Y., Oda, Y.

The diamagnetism of a normal metal (N: Cu or Au), which is induced by the proximity effect of a superconductor (S: Nb), has been investigated for N-S double layers, which are formed by a thin-film...

RESPONSE OF THE TRANSITION REGION TO INFALLING MATERIAL ASSOCIATED WITH SOLAR FLARES. (1998)

Nakagawa,Y., Hyder,Charles L.

The work is part of a continuing study of the solar activity that has a pronounced effect on our environment. The response of the transition region to infalling material associated with solar flares...

Atrial conduction abnormalities in patients with systemic progressive sclerosis (1997)

Mizuno, R., Fujimoto, S., Nakano, H., Nakajima, T., Kimura, A., Nakagawa, Y., ...

Background Atrial abnormalities in patients with progressive systemic sclerosis have not been evaluated in terms of intra-artrial conduction. We hypothesized that a delay in atrial conduction in...

A New Addressing Technique for Fast Responding STN LCDs-SAT (Sequency Addressing Technique) (1993)

Kuwata, T., Ruckmongathan, T.N., Ohnishi, T., Ihara, S., Koh, H., Nakagawa, Y.

Sorry, the full-text of this article is not available here. Please click on the alternative location (Author's homepage) to aceess it.

A colour STN-LCD with improved contrast, uniformity and response times (1992)

Ihara, S., Sugimoto, Y., Nakagawa, Y., Kuwata, T., Koh, H., Hasebe, H., ...

Proceedings of the SID international symposium: Digest of technical papers, p232, SID, 1992.

A new addressing technique for fast responding STN LCDs (1992)

Ruckmongathan, T.N., Kuwata, T., Ohnishi, T., Ihara, S., Koh, H., Nakagawa, Y.

Proceedings of the international display research conference, Japan Display 92, p65, 1992.

FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)

Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.

Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...

HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)

Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...

Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...

HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)

Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.

Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...

MAGNETIC AND CRYSTALLOGRAPHIC PROPERTIES OF MnRhAs (1988)

Kanomata, T., Suzuki, T., Kaneko, T., Yasui, H., Miura, S., Nakagawa, Y.

The crystallographic and magnetic measurements of MnRhAs were carried out. The anomaly of the lattice parameter was found at the temperature Ts ≈ 233 K, in which the discontinuity in...

MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)

Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.

The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...

MAGNETIC PROPERTIES OF ε-MnGa ALLOYS WITH THE DO19 TYPE STRUCTURE (1988)

Niida, H., Hori, T., Nakagawa, Y.

X-ray diffraction and magnetic measurements have shown that ε-MnGa alloys with the DO19 type structure are stable at 600 °C in a composition range of 70-74 at% Mn. The Néel temperature is...

MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)

Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.

Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...

SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)

Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.

A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...

TWO-DIMENSIONAL MAGNETIC ORDER IN HEXAGONAL LuFe2O4 (1988)

Iida, J., Nakagawa, Y., Funahashi, S., Takekawa, S., Kimizuka, N.

Neutron diffraction measurements have been performed on a LuFe2O4 single crystal with a hexagonal layered structure. At low temperatures a 2:l ferrimagntic spin arrangement of Fe ions is realized in...

FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)

Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.

Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...

HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)

Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...

Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...

HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)

Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.

Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...

MAGNETIC AND CRYSTALLOGRAPHIC PROPERTIES OF MnRhAs (1988)

Kanomata, T., Suzuki, T., Kaneko, T., Yasui, H., Miura, S., Nakagawa, Y.

The crystallographic and magnetic measurements of MnRhAs were carried out. The anomaly of the lattice parameter was found at the temperature Ts ≈ 233 K, in which the discontinuity in...

MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)

Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.

The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...

MAGNETIC PROPERTIES OF ε-MnGa ALLOYS WITH THE DO19 TYPE STRUCTURE (1988)

Niida, H., Hori, T., Nakagawa, Y.

X-ray diffraction and magnetic measurements have shown that ε-MnGa alloys with the DO19 type structure are stable at 600 °C in a composition range of 70-74 at% Mn. The Néel temperature is...

MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)

Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.

Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...

SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)

Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.

A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...

TWO-DIMENSIONAL MAGNETIC ORDER IN HEXAGONAL LuFe2O4 (1988)

Iida, J., Nakagawa, Y., Funahashi, S., Takekawa, S., Kimizuka, N.

Neutron diffraction measurements have been performed on a LuFe2O4 single crystal with a hexagonal layered structure. At low temperatures a 2:l ferrimagntic spin arrangement of Fe ions is realized in...

FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)

Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.

Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...

HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)

Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...

Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...

HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)

Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.

Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...

MAGNETIC AND CRYSTALLOGRAPHIC PROPERTIES OF MnRhAs (1988)

Kanomata, T., Suzuki, T., Kaneko, T., Yasui, H., Miura, S., Nakagawa, Y.

The crystallographic and magnetic measurements of MnRhAs were carried out. The anomaly of the lattice parameter was found at the temperature Ts ≈ 233 K, in which the discontinuity in...

MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)

Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.

The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...

MAGNETIC PROPERTIES OF ε-MnGa ALLOYS WITH THE DO19 TYPE STRUCTURE (1988)

Niida, H., Hori, T., Nakagawa, Y.

X-ray diffraction and magnetic measurements have shown that ε-MnGa alloys with the DO19 type structure are stable at 600 °C in a composition range of 70-74 at% Mn. The Néel temperature is...

MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)

Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.

Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...

SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)

Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.

A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...

TWO-DIMENSIONAL MAGNETIC ORDER IN HEXAGONAL LuFe2O4 (1988)

Iida, J., Nakagawa, Y., Funahashi, S., Takekawa, S., Kimizuka, N.

Neutron diffraction measurements have been performed on a LuFe2O4 single crystal with a hexagonal layered structure. At low temperatures a 2:l ferrimagntic spin arrangement of Fe ions is realized in...

HYBRID MAGNET PROJECT AT TOHOKU UNIVERSITY (1984)

Nakagawa, Y., Noto, K., Hoshi, A., Miura, S., Watanabe, K., Muto, Y.

The construction of three hybrid magnets has been conceived in this project. The smallest one now in operation is composed of a non-cryostable NbTi coil weighing 270 kg and a Bitter coil with a power...

POWER SUPPLY AND COOLING SYSTEM FOR HIGH-POWER WATER-COOLED MAGNETS AT TOHOKU UNIVERSITY (1984)

Fujioka, T., Sato, Y., Tanabe, M., Hoshi, A., Miura, S., Nakagawa, Y.

The design and test results of a DC power supply and a cooling system for high-power water cooled magnets at Tohoku university are reported.

HYBRID MAGNET PROJECT AT TOHOKU UNIVERSITY (1984)

Nakagawa, Y., Noto, K., Hoshi, A., Miura, S., Watanabe, K., Muto, Y.

The construction of three hybrid magnets has been conceived in this project. The smallest one now in operation is composed of a non-cryostable NbTi coil weighing 270 kg and a Bitter coil with a power...

POWER SUPPLY AND COOLING SYSTEM FOR HIGH-POWER WATER-COOLED MAGNETS AT TOHOKU UNIVERSITY (1984)

Fujioka, T., Sato, Y., Tanabe, M., Hoshi, A., Miura, S., Nakagawa, Y.

The design and test results of a DC power supply and a cooling system for high-power water cooled magnets at Tohoku university are reported.

HYBRID MAGNET PROJECT AT TOHOKU UNIVERSITY (1984)

Nakagawa, Y., Noto, K., Hoshi, A., Miura, S., Watanabe, K., Muto, Y.

The construction of three hybrid magnets has been conceived in this project. The smallest one now in operation is composed of a non-cryostable NbTi coil weighing 270 kg and a Bitter coil with a power...

POWER SUPPLY AND COOLING SYSTEM FOR HIGH-POWER WATER-COOLED MAGNETS AT TOHOKU UNIVERSITY (1984)

Fujioka, T., Sato, Y., Tanabe, M., Hoshi, A., Miura, S., Nakagawa, Y.

The design and test results of a DC power supply and a cooling system for high-power water cooled magnets at Tohoku university are reported.

Intense ion beam source development experiments. (1981)

Bluhm, H., Greenly, J.B., Hammer, D.A., Kusse, B.R., Maenchen, J., Maron, Y., ...

4th Internat.Topical Conf.on High Power Electron and Ion Beam Research and Technology, Palaiseau, F, June 29 - July 3, 1981

Activation of Stat5 by interleukin 2 requires a carboxyl-terminal region of the interleukin 2 receptor beta chain but is not essential for the proliferative signal transmission.

Fujii, H, Nakagawa, Y, Schindler, U, Kawahara, A, Mori, H, Gouilleux, F, ...

The high-affinity interleukin 2 (IL-2) receptor (IL-2R) consists of three subunits: the IL-2R alpha, IL-2R beta c, and IL-2R gamma c chains. Two members of the Janus kinase family, Jak1 and Jak3, are...

Characterization of calcium-binding sites in the kidney stone inhibitor glycoprotein nephrocalcin with vanadyl ions: electron paramagnetic resonance and electron nuclear double resonance spectroscopy.

Mustafi, D, Nakagawa, Y

Nephrocalcin (NC) is a calcium-binding glycoprotein of 14,000 molecular weight. It inhibits the growth of calcium oxalate monohydrate crystals in renal tubules. The NC used in this study was isolated...

Molecular cloning and functional expression of a cDNA encoding glycosylation-inhibiting factor.

Mikayama, T, Nakano, T, Gomi, H, Nakagawa, Y, Liu, Y C, Sato, M, ...

By using probes based on partial amino acid sequence of glycosylation-inhibiting factor (GIF) from a mouse T-cell hybridoma, a full-length cDNA encoding mouse GIF was isolated. A cDNA clone encoding...

Nephrotoxicity of vancomycin and drug interaction study with cilastatin in rabbits.

Toyoguchi, T, Takahashi, S, Hosoya, J, Nakagawa, Y, Watanabe, H

The nephrotoxic effects of vancomycin hydrochloride (VCM) and the potential drug-drug interaction with cilastatin sodium (CS) were examined in rabbits. The aim of the study was to measure the...

The RNA polymerase PB2 subunit is not required for replication of the influenza virus genome but is involved in capped mRNA synthesis.

Nakagawa, Y, Kimura, N, Toyoda, T, Mizumoto, K, Ishihama, A, Oda, K, ...

An established cell line, clone 64, in which the expression of the RNA polymerase PB1 and PA subunit genes and the nucleoprotein (NP) gene but not the PB2 subunit gene of influenza virus can be...

The PB1 subunit alone can catalyze cRNA synthesis, and the PA subunit in addition to the PB1 subunit is required for viral RNA synthesis in replication of the influenza virus genome.

Nakagawa, Y, Oda, K, Nakada, S

We indicated that the PB1 and PA subunits of RNA polymerase and nucleoprotein (NP) can support replication of the influenza virus genome as well as transcription to yield uncapped poly(A)(+)-RNA (Y....

Diversity of tandemly repetitive sequences due to short periodic repetitions in the chromosomes of Candida albicans.

Chibana, H, Iwaguchi, S, Homma, M, Chindamporn, A, Nakagawa, Y, Tanaka, K

In a previous study, a repeated sequence, RPS1, was cloned from the genomic DNA of Candida albicans. It was 2.1 kb in length and was tandemly repeated in a limited region of almost all of the...

A novel extracellular cyclic lipopeptide which promotes flagellum-dependent and -independent spreading growth of Serratia marcescens.

Matsuyama, T, Kaneda, K, Nakagawa, Y, Isa, K, Hara-Hotta, H, Yano, I

Serrawettin W2, a surface-active exolipid produced by nonpigmented Serratia marcescens NS 25, was examined for its chemical structure and physiological functions. The chemical structure was...

Illegitimate recombination leading to allelic loss and unbalanced translocation in p53-mutated human lymphoblastoid cells.

Honma, M, Zhang, L S, Hayashi, M, Takeshita, K, Nakagawa, Y, Tanaka, N, ...

Allelic loss and translocation are critical mutational events in human tumorigenesis. Allelic loss, which is usually identified as loss of heterozygosity (LOH), is frequently observed at tumor...

Inhibition of murine AIDS (MAIDS), development by the transplantation of bone marrow cells carrying the Fv-4 resistance gene to MAIDS virus-infected mice.

Nakagawa, Y, Kakimi, K, Ling, W, Kubo, Y, Higo, K, Masuda, T, ...

To examine whether the resistance allele of the Fv-4 gene (the Fv-4r gene) is a dominant inhibitory-product-encoding gene which an be used to prevent the development of murine AIDS (MAIDS), bone...

Mouse mammary tumor virus with rearranged long terminal repeats causes murine lymphomas.

Yanagawa, S, Kakimi, K, Tanaka, H, Murakami, A, Nakagawa, Y, Kubo, Y, ...

Mouse mammary tumor virus (MMTV) is a slowly transforming retrovirus associated primarily with the induction of mammary tumors. It is widely accepted that T-cell lymphomas of various mouse strains...

Adsorption of Escherichia coli onto insolubilized lauryl pyridinium iodide and its bacteriostatic action.

Nakagawa, Y, Tawaratani, T, Kourai, H, Horie, T, Shibasaki, I

Insoluble lauryl pyridinium iodide [C12(50)] was synthesized as an antimicrobial agent. Escherichia coli cells were not killed by C12(50) but only adsorbed onto it. Though cells on C12(50) could not...

Antimicrobial characteristic of insoluble alkylpyridinium iodide.

Nakagawa, Y, Yamano, Y, Tawaratani, T, Kourai, H, Horie, T, Shibasaki, I

Insoluble and soluble alkylpyridinium iodides (C8 to C18) were synthesized. The insoluble agents were quaternized 4-vinylpyridine-divinylbenzene copolymers. The insoluble agent [C12(50)] that...

Presence of transplantable T-lymphoid cells in C57BL/6 mice infected with murine AIDS virus.

Kubo, Y, Nakagawa, Y, Kakimi, K, Matsui, H, Iwashiro, M, Kuribayashi, K, ...

The Duplan strain of murine leukemia virus induces murine AIDS in C57BL/6 mice. When spleen cells from C57BL/6 mice infected with the virus were transplanted into nude mice, subcutaneous solid tumors...

Kinetic studies on enzymatic acetylation of chloramphenicol in Streptococcus faecalis.

Nakagawa, Y, Nitahara, Y, Miyamura, S

The kinetics of chloramphenicol (CP) acetylation by CP acetyltransferase from Streptococcus faecalis was studied. CP was shown to be acetylated enzymatically to its 3-O-acetyl derivative (3-AcCP) in...

Evidence that serum calcium oxalate supersaturation is a consequence of oxalate retention in patients with chronic renal failure.

Worcester, E M, Nakagawa, Y, Bushinsky, D A, Coe, F L

Serum oxalate rises in uremia because of decreased renal clearance, and crystals of calcium oxalate occur in the tissues of uremic patients. Crystal formation suggests that either uremic serum is...

Urine glycoprotein crystal growth inhibitors. Evidence for a molecular abnormality in calcium oxalate nephrolithiasis.

Nakagawa, Y, Abram, V, Parks, J H, Lau, H S, Kawooya, J K, Coe, F L

One reason that some people are prone to calcium oxalate nephrolithiasis is that they produce urine that is subnormal in its ability to inhibit the growth of calcium oxalate crystals. We have...

Isolation from human calcium oxalate renal stones of nephrocalcin, a glycoprotein inhibitor of calcium oxalate crystal growth. Evidence that nephrocalcin from patients with calcium oxalate nephrolithiasis is deficient in gamma-carboxyglutamic acid.

Nakagawa, Y, Ahmed, M, Hall, S L, Deganello, S, Coe, F L

We have determined that the organic matrix of calcium oxalate kidney stones contains a glycoprotein inhibitor of calcium oxalate crystal growth (nephrocalcin) that resembles nephrocalcin present in...

Characterization of proteoglycan degradation by calpain.

Suzuki, K, Shimizu, K, Hamamoto, T, Nakagawa, Y, Murachi, T, Yamamuro, T

Degradation of cartilage proteoglycans was investigated under neutral conditions (pH 7.5) by using pig kidney calpain II (EC 3.4.22.17; Ca(2+)-dependent cysteine proteinase). Aggregate and monomer...

Species pattern of phosphatidylinositol from lung surfactant and a comparison of the species pattern of phosphatidylinositol and phosphatidylglycerol synthesized de novo in lung microsomal fractions.

Rüstow, B, Nakagawa, Y, Rabe, H, Waku, K, Kunze, D

1. Phosphatidylinositol (PI) is a minor component of lung surfactant which may be able to replace the functionally important phosphatidylglycerol (PG) [Beppu, Clements & Goerke (1983) J. Appl....

Glyoxalase I is a novel nitric-oxide-responsive protein.

Mitsumoto, A, Kim, K R, Oshima, G, Kunimoto, M, Okawa, K, Iwamatsu, A, ...

To clarify the molecular mechanisms of nitric oxide (NO) signalling, we examined the NO-responsive proteins in cultured human endothelial cells by two-dimensional (2D) PAGE. Levels of two proteins...

Mitochondrial phospholipid hydroperoxide glutathione peroxidase inhibits the release of cytochrome c from mitochondria by suppressing the peroxidation of cardiolipin in hypoglycaemia-induced apoptosis.

Nomura, K, Imai, H, Koumura, T, Kobayashi, T, Nakagawa, Y

Cytochrome c (cyt. c) is a proapoptotic factor that binds preferentially to cardiolipin (CL), a mitochondrial lipid, but not to cardiolipin hydroperoxide (CL-OOH). Cyt. c that had bound to CL...

Fine mapping of the diabetes-susceptibility locus, IDDM4, on chromosome 11q13.

Nakagawa, Y, Kawaguchi, Y, Twells, R C, Muxworthy, C, Hunter, K M, Wilson, A, ...

Genomewide linkage studies of type 1 diabetes (or insulin-dependent diabetes mellitus [IDDM]) indicate that several unlinked susceptibility loci can explain the clustering of the disease in families....

Activation of Stat5 by interleukin 2 requires a carboxyl-terminal region of the interleukin 2 receptor beta chain but is not essential for the proliferative signal transmission.

Fujii, H, Nakagawa, Y, Schindler, U, Kawahara, A, Mori, H, Gouilleux, F, ...

The high-affinity interleukin 2 (IL-2) receptor (IL-2R) consists of three subunits: the IL-2R alpha, IL-2R beta c, and IL-2R gamma c chains. Two members of the Janus kinase family, Jak1 and Jak3, are...

Characterization of calcium-binding sites in the kidney stone inhibitor glycoprotein nephrocalcin with vanadyl ions: electron paramagnetic resonance and electron nuclear double resonance spectroscopy.

Mustafi, D, Nakagawa, Y

Nephrocalcin (NC) is a calcium-binding glycoprotein of 14,000 molecular weight. It inhibits the growth of calcium oxalate monohydrate crystals in renal tubules. The NC used in this study was isolated...

Molecular cloning and functional expression of a cDNA encoding glycosylation-inhibiting factor.

Mikayama, T, Nakano, T, Gomi, H, Nakagawa, Y, Liu, Y C, Sato, M, ...

By using probes based on partial amino acid sequence of glycosylation-inhibiting factor (GIF) from a mouse T-cell hybridoma, a full-length cDNA encoding mouse GIF was isolated. A cDNA clone encoding...

Nephrotoxicity of vancomycin and drug interaction study with cilastatin in rabbits.

Toyoguchi, T, Takahashi, S, Hosoya, J, Nakagawa, Y, Watanabe, H

The nephrotoxic effects of vancomycin hydrochloride (VCM) and the potential drug-drug interaction with cilastatin sodium (CS) were examined in rabbits. The aim of the study was to measure the...

The RNA polymerase PB2 subunit is not required for replication of the influenza virus genome but is involved in capped mRNA synthesis.

Nakagawa, Y, Kimura, N, Toyoda, T, Mizumoto, K, Ishihama, A, Oda, K, ...

An established cell line, clone 64, in which the expression of the RNA polymerase PB1 and PA subunit genes and the nucleoprotein (NP) gene but not the PB2 subunit gene of influenza virus can be...

The PB1 subunit alone can catalyze cRNA synthesis, and the PA subunit in addition to the PB1 subunit is required for viral RNA synthesis in replication of the influenza virus genome.

Nakagawa, Y, Oda, K, Nakada, S

We indicated that the PB1 and PA subunits of RNA polymerase and nucleoprotein (NP) can support replication of the influenza virus genome as well as transcription to yield uncapped poly(A)(+)-RNA (Y....

Diversity of tandemly repetitive sequences due to short periodic repetitions in the chromosomes of Candida albicans.

Chibana, H, Iwaguchi, S, Homma, M, Chindamporn, A, Nakagawa, Y, Tanaka, K

In a previous study, a repeated sequence, RPS1, was cloned from the genomic DNA of Candida albicans. It was 2.1 kb in length and was tandemly repeated in a limited region of almost all of the...

A novel extracellular cyclic lipopeptide which promotes flagellum-dependent and -independent spreading growth of Serratia marcescens.

Matsuyama, T, Kaneda, K, Nakagawa, Y, Isa, K, Hara-Hotta, H, Yano, I

Serrawettin W2, a surface-active exolipid produced by nonpigmented Serratia marcescens NS 25, was examined for its chemical structure and physiological functions. The chemical structure was...

Illegitimate recombination leading to allelic loss and unbalanced translocation in p53-mutated human lymphoblastoid cells.

Honma, M, Zhang, L S, Hayashi, M, Takeshita, K, Nakagawa, Y, Tanaka, N, ...

Allelic loss and translocation are critical mutational events in human tumorigenesis. Allelic loss, which is usually identified as loss of heterozygosity (LOH), is frequently observed at tumor...

Inhibition of murine AIDS (MAIDS), development by the transplantation of bone marrow cells carrying the Fv-4 resistance gene to MAIDS virus-infected mice.

Nakagawa, Y, Kakimi, K, Ling, W, Kubo, Y, Higo, K, Masuda, T, ...

To examine whether the resistance allele of the Fv-4 gene (the Fv-4r gene) is a dominant inhibitory-product-encoding gene which an be used to prevent the development of murine AIDS (MAIDS), bone...

Mouse mammary tumor virus with rearranged long terminal repeats causes murine lymphomas.

Yanagawa, S, Kakimi, K, Tanaka, H, Murakami, A, Nakagawa, Y, Kubo, Y, ...

Mouse mammary tumor virus (MMTV) is a slowly transforming retrovirus associated primarily with the induction of mammary tumors. It is widely accepted that T-cell lymphomas of various mouse strains...

Adsorption of Escherichia coli onto insolubilized lauryl pyridinium iodide and its bacteriostatic action.

Nakagawa, Y, Tawaratani, T, Kourai, H, Horie, T, Shibasaki, I

Insoluble lauryl pyridinium iodide [C12(50)] was synthesized as an antimicrobial agent. Escherichia coli cells were not killed by C12(50) but only adsorbed onto it. Though cells on C12(50) could not...

Antimicrobial characteristic of insoluble alkylpyridinium iodide.

Nakagawa, Y, Yamano, Y, Tawaratani, T, Kourai, H, Horie, T, Shibasaki, I

Insoluble and soluble alkylpyridinium iodides (C8 to C18) were synthesized. The insoluble agents were quaternized 4-vinylpyridine-divinylbenzene copolymers. The insoluble agent [C12(50)] that...

Presence of transplantable T-lymphoid cells in C57BL/6 mice infected with murine AIDS virus.

Kubo, Y, Nakagawa, Y, Kakimi, K, Matsui, H, Iwashiro, M, Kuribayashi, K, ...

The Duplan strain of murine leukemia virus induces murine AIDS in C57BL/6 mice. When spleen cells from C57BL/6 mice infected with the virus were transplanted into nude mice, subcutaneous solid tumors...

Kinetic studies on enzymatic acetylation of chloramphenicol in Streptococcus faecalis.

Nakagawa, Y, Nitahara, Y, Miyamura, S

The kinetics of chloramphenicol (CP) acetylation by CP acetyltransferase from Streptococcus faecalis was studied. CP was shown to be acetylated enzymatically to its 3-O-acetyl derivative (3-AcCP) in...

Evidence that serum calcium oxalate supersaturation is a consequence of oxalate retention in patients with chronic renal failure.

Worcester, E M, Nakagawa, Y, Bushinsky, D A, Coe, F L

Serum oxalate rises in uremia because of decreased renal clearance, and crystals of calcium oxalate occur in the tissues of uremic patients. Crystal formation suggests that either uremic serum is...

Urine glycoprotein crystal growth inhibitors. Evidence for a molecular abnormality in calcium oxalate nephrolithiasis.

Nakagawa, Y, Abram, V, Parks, J H, Lau, H S, Kawooya, J K, Coe, F L

One reason that some people are prone to calcium oxalate nephrolithiasis is that they produce urine that is subnormal in its ability to inhibit the growth of calcium oxalate crystals. We have...

Isolation from human calcium oxalate renal stones of nephrocalcin, a glycoprotein inhibitor of calcium oxalate crystal growth. Evidence that nephrocalcin from patients with calcium oxalate nephrolithiasis is deficient in gamma-carboxyglutamic acid.

Nakagawa, Y, Ahmed, M, Hall, S L, Deganello, S, Coe, F L

We have determined that the organic matrix of calcium oxalate kidney stones contains a glycoprotein inhibitor of calcium oxalate crystal growth (nephrocalcin) that resembles nephrocalcin present in...

Characterization of proteoglycan degradation by calpain.

Suzuki, K, Shimizu, K, Hamamoto, T, Nakagawa, Y, Murachi, T, Yamamuro, T

Degradation of cartilage proteoglycans was investigated under neutral conditions (pH 7.5) by using pig kidney calpain II (EC 3.4.22.17; Ca(2+)-dependent cysteine proteinase). Aggregate and monomer...

Species pattern of phosphatidylinositol from lung surfactant and a comparison of the species pattern of phosphatidylinositol and phosphatidylglycerol synthesized de novo in lung microsomal fractions.

Rüstow, B, Nakagawa, Y, Rabe, H, Waku, K, Kunze, D

1. Phosphatidylinositol (PI) is a minor component of lung surfactant which may be able to replace the functionally important phosphatidylglycerol (PG) [Beppu, Clements & Goerke (1983) J. Appl....

Glyoxalase I is a novel nitric-oxide-responsive protein.

Mitsumoto, A, Kim, K R, Oshima, G, Kunimoto, M, Okawa, K, Iwamatsu, A, ...

To clarify the molecular mechanisms of nitric oxide (NO) signalling, we examined the NO-responsive proteins in cultured human endothelial cells by two-dimensional (2D) PAGE. Levels of two proteins...

Mitochondrial phospholipid hydroperoxide glutathione peroxidase inhibits the release of cytochrome c from mitochondria by suppressing the peroxidation of cardiolipin in hypoglycaemia-induced apoptosis.

Nomura, K, Imai, H, Koumura, T, Kobayashi, T, Nakagawa, Y

Cytochrome c (cyt. c) is a proapoptotic factor that binds preferentially to cardiolipin (CL), a mitochondrial lipid, but not to cardiolipin hydroperoxide (CL-OOH). Cyt. c that had bound to CL...

Fine mapping of the diabetes-susceptibility locus, IDDM4, on chromosome 11q13.

Nakagawa, Y, Kawaguchi, Y, Twells, R C, Muxworthy, C, Hunter, K M, Wilson, A, ...

Genomewide linkage studies of type 1 diabetes (or insulin-dependent diabetes mellitus [IDDM]) indicate that several unlinked susceptibility loci can explain the clustering of the disease in families....

Features of retinal arterial macroaneurysms in patients with uveitis

Yamanaka, E, Ohguro, N, Kubota, A, Yamamoto, S, Nakagawa, Y, Tano, Y

Aim: To determine the frequency and clinical characteristics of retinal arterial macroaneurysms in patients with uveitis.

Retrograde temporal order amnesia resulting from damage to the fornix

Yasuno, F., Hirata, M., Takimoto, H., Taniguchi, M., Nakagawa, Y., Ikejiri, Y., ...

Some amnesic patients show an impairment of temporal order memory that cannot be accounted for by content memory deficits. The performance of an amnesic patient on memory tasks assessing the...

Conflict of intentions due to callosal disconnection

Nishikawa, T, Okuda, J, Mizuta, I, Ohno, K, Jamshidi, J, Tokunaga, H, ...

OBJECTIVES—Three patients with callosal syndrome manifested a peculiar symptom in that they were unable to perform intended whole body actions because another intention emerged in competition with...

Analysis of the mechanism for extracellular processing in the presentation of human immunodeficiency virus-1 envelope protein-derived peptide to epitope-specific cytotoxic T lymphocytes

Nakagawa, Y, Takeshita, T, Berzofsky, J A, Takahashi, H

An immunodominant epitope of human immunodeficiency virus-1 (HIV-1) gp160 recognized by Dd class I major histocompatibility complex (MHC) molecule-restricted, CD8+ cytotoxic T lymphocytes (CTL) was...

MN/CA IX/G250 as a potential target for immunotherapy of renal cell carcinomas

Uemura, H, Nakagawa, Y, Yoshida, K, Saga, S, Yoshikawa, K, Hirao, Y, ...

The monoclonal antibody G250 (mAbG250) raised against a human renal cell carcinoma (RCC) has been shown to react with a large number of RCCs. Recently, G250 antigen was isolated and found to be...