H. Takahashi

Publication List Details

Period

1954 - 2009

Number

205

Co-Authors

Is the black hole in GX 339-4 really spinning rapidly? (2009)

Yamada, S., Makishima, K., Uehara, Y., Nakazawa, K., Takahashi, H., Dotani, T., ...

The wide-band Suzaku spectra of the black hole binary GX 339-4, acquired in 2007 February during the Very High state, were reanalyzed. Effects of event pileup (significant within ~ 3' of the image...

Origin of critical-temperature enhancement of an iron-based high-T_c superconductor, LaFeAsO_{1-x}F_{x} : NMR study under high pressure (2009)

Nakano, T., Fujiwara, N., Tatsumi, K., Okada, H., Takahashi, H., Kamihara, Y., ...

Nuclear magnetic resonance (NMR) measurements of an iron (Fe)-based superconductor LaFeAsO_{1-x}F_x (x = 0.08 and 0.14) were performed at ambient pressure and under pressure. The relaxation rate...

Optical and Near-Infrared Photometric Observation during the Superoutburst of the WZ Sge-Type Dwarf Nova, V455 Andromedae (2009)

Matsui, R., Uemura, M., Arai, A., Sasada, M., Ohsugi, T., Yamashita, T., ...

We report on optical and infrared photometric observations of a WZ Sge-type dwarf nova, V455 And during a superoutburst in 2007. These observations were performed with the KANATA (V, J, and K_s...

Fully Compatible Integration of High Density Embedded DRAM with 65nm CMOS Technology (CMOS5) (2009)

Y. Matsubara, M. Habu, S. Matsuda, K. Honda, E. Morifuji, T. Yoshida, ...

65nm node SoC technology has been achieved to show good yield of 8M bit DRAM ADM using tapered BF2 implantation without additional mask step, which cell size is 0.11um 2 [1], with 3 layers hybrid...

Early phase observations of extremely luminous Type Ia Supernova 2009dc (2009)

Yamanaka, M., Kawabata, K. S., Kinugasa, K., Tanaka, M., Imada, A., Maeda, K., ...

We present early phase observations in optical and near-infrared wavelengths for the extremely luminous Type Ia supernova (SN Ia) 2009dc. The decline rate of the light curve is $\Delta...

Fermi/Large Area Telescope Discovery of Gamma-Ray Emission from a Relativistic Jet in the Narrow-Line Quasar PMN J0948+0022 (2009)

Abdo, A. A., Ackermann, M., Ajello, M., Axelsson, M., Baldini, L., Ballet, J., ...

We report the discovery by the Large Area Telescope (LAT) onboard the Fermi Gamma-Ray Space Telescope of high-energy γ-ray emission from the peculiar quasar PMN J0948+0022 (z = 0.5846). The optical...

Observation of a kilogram-scale oscillator near its quantum ground state (2009)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen , B., Allen, G., ...

We introduce a novel cooling technique capable of approaching the quantum ground state of a kilogram-scale system—an interferometric gravitational wave detector. The detectors of the Laser...

Suzaku Detection of Super-hard X-ray Emission from the Classical Nova V2491 Cygni (2009)

Takei, D., Tsujimoto, M., Kitamoto, S., Drake, J. J., Takahashi, H., ...

We report the detection of super-hard (>10 keV) X-ray emission extending up to 70 keV from the classical nova V2491 Cygni using the Suzaku observatory. We conducted two ~20 ks target-of-opportunity...

All-Sky LIGO Search for Periodic Gravitational Waves in the Early Fifth-Science-Run Data (2009)

Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...

We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50–1100 Hz and with the frequency’s time derivative in the range -5 x 10^(-9)–0...

Simulation of Mass Transfer of Calcium in Concrete by the Lattice Kinetic Scheme for a Binary Miscible Fluid Mixture (2009)

Yoshino, M, Murayama, T, Matsuzaki, A, Takahashi, H

The lattice kinetic scheme (LKS) for a binary miscible fluid mixture was applied to the simulation of the mass transfer of calcium in concrete. Cement paste, a major component of concrete, is a...

Constraints on the Intracluster Dust Emission in the Coma Cluster of Galaxies (2009)

Kitayama, T., Ito, Y., Okada, Y., Kaneda, H., Takahashi, H., Ota, N., ...

We have undertaken a search for the infrared emission from the intracluster dust in the Coma cluster of galaxies by the Multiband Imaging Photometer for Spitzer. Our observations yield the deepest...

Einstein@Home search for periodic gravitational waves in LIGO S4 data (2009)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P, Allen, B., Allen, G., ...

A search for periodic gravitational waves, from sources such as isolated rapidly spinning neutron stars, was carried out using 510 h of data from the fourth LIGO science run (S4). The search was for...

The Einstein@Home search for periodic gravitational waves in LIGO S4 data (2009)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

A search for periodic gravitational waves, from sources such as isolated rapidly-spinning neutron stars, was carried out using 510 hours of data from the fourth LIGO science run (S4). The search was...

All-sky LIGO search for periodic gravitational waves in the early fifth-science-run data. (2009)

Abbott, B. P., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...

We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1100 Hz and with the frequency's time derivative in the range -5 x 10{-9}-0 Hz s{-1}....

Observation of a kilogram-scale oscillator near its quantum ground state (2009)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...

We introduce a novel cooling technique capable of approaching the quantum ground state of a kilogram-scale system-an interferometric gravitational wave detector. The detectors of the Laser...

The Einstein@Home search for periodic gravitational waves in early S5 LIGO data (2009)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

This paper reports on an all-sky search for periodic gravitational waves from sources such as deformed isolated rapidly spinning neutron stars. The analysis uses 840 hours of data from 66 days of the...

Longitudinal variability in intraseasonal oscillation in the tropical mesosphere and lower thermosphere region (2009)

Rao, R. K., Gurubaran, S., Sathishkumar, S., Sridharan, S., Nakamura, T., Tsuda, T., ...

Simultaneous observations of mean zonal wind at 88 km obtained by the meteor radars at Cariri (7.4 degrees S, 36.5 degrees W) and Ascension Island (7.9 degrees S, 14.4 degrees W) and two...

An overview of pollen morphology and its systematic significance in the subfamily Arbutoideae of the Ericaceae (2008)

Ito, T., Takahashi, H.

Subfamily Arbutoideae (Ericaceae) comprises four genera (Arbutus, Arctostaphylos, Comarostaphylos and Ornithostaphylos) and 81 species. We have examined the pollen morphology of 17 species from three...

75As-NMR studies on La FeAsO1-xFx (x=0.14) under a pressure of 3GPa (2008)

Tatsumi, K., Fujiwara, N., Okada, H., Takahashi, H., Kamihara, Y., Hirano, M., ...

75As-nuclear magnetic resonance (NMR) on an iron-based superconductor LaFeAsO1-xFx (x=0.14) was performed under a pressure of 3GPa. Enhancement of superconducting transition temperature Tc was...

Search for Gravitational-Wave Bursts from Soft Gamma Repeaters (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...

We present a LIGO search for short-duration gravitational waves (GWs) associated with soft gamma ray repeater (SGR) bursts. This is the first search sensitive to neutron star f modes, usually...

Pressure-induced superconductivity in Iron pnictide compound SrFe2As2 (2008)

Igawa, K., Okada, H., Takahashi, H., Matsuishi, S., Kamihara, Y., Hirano, M., ...

Electrical resistivity under high pressure have been measured on nominally pure SrFe2As2 up to 14 GPa. The resistivity drop appeared with increasing pressure, and we clearly observed zero...

Implications for the origin of GRB 070201 from LIGO observations (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...

We analyzed the available LIGO data coincident with GRB 070201, a short-duration, hard-spectrum γ-ray burst (GRB) whose electromagnetically determined sky position is coincident with the spiral arms...

Astrophysically triggered searches for gravitational waves: status and prospects (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, B., Allen, G., ...

In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from γ-ray...

A joint search for gravitational wave bursts with AURIGA and LIGO (2008)

Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...

The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational wave...

Implications for the origin of GRB 070201 from LIGO observations (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We analyzed the available LIGO data coincident with GRB 070201, a short-duration, hard-spectrum gamma-ray burst (GRB) whose electromagnetically determined sky position is coincident with the spiral...

Astrophysically triggered searches for gravitational waves: status and prospects (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e. g. from...

A joint search for gravitational wave bursts with AURIGA and LIGO (2008)

Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...

The first simultaneous operation of the AURIGA detector(63) and the LIGO observatory(64) was an opportunity to explore real data, joint analysis methods between two very different types of...

Search for gravitational waves associated with 39 gamma-ray bursts using data from the second, third, and fourth LIGO runs (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We present the results of a search for short-duration gravitational-wave bursts associated with 39 gamma-ray bursts (GRBs) detected by gamma-ray satellite experiments during LIGO's S2, S3, and S4...

Search for gravitational waves from binary inspirals in S3 and S4 LIGO data (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We report on a search for gravitational waves from the coalescence of compact binaries during the third and fourth LIGO science runs. The search focused on gravitational waves generated during the...

All-sky search for periodic gravitational waves in LIGO S4 data (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We report on an all-sky search with the LIGO detectors for periodic gravitational waves in the frequency range 50-1000 Hz and with the frequency's time derivative in the range -1 x 10(-8) Hz s(-1) to...

Search of S3 LIGO data for gravitational wave signals from spinning black hole and neutron star binary inspirals (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We report on the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyze 788 hours of data...

Beating the spin-down limit on gravitational wave emission from the Crab pulsar (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

We present direct upper limits on gravitational wave emission from the Crab pulsar using data from the first 9 months of the fifth science run of the Laser Interferometer Gravitational-wave...

DECIGO pathfinder (2008)

Ando, M., Kawamura, Seiji, Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...

DECIGO pathfinder (DPF) is a milestone satellite mission for DECIGO (DECi-hertz Interferometer Gravitational wave Observatory) which is a future space gravitational wave antenna. DECIGO is expected...

The Japanese space gravitational wave antenna: DECIGO (2008)

Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...

DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. DECIGO is expected to open a new window of observation for gravitational...

The Japanese space gravitational wave antenna - DECIGO (2008)

Kawamura, Seiji, Ando, M., Nakamura, T., Tsubono, K., Tanaka, T., Funaki, I., ...

DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. The goal of DECIGO is to detect gravitational waves from various kinds of...

Search for Gravitational-Wave Bursts from Soft Gamma Repeaters (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

We present a LIGO search for short-duration gravitational waves (GWs) associated with soft gamma ray repeater (SGR) bursts. This is the first search sensitive to neutron star f modes, usually...

First joint search for gravitational-wave bursts in LIGO and GEO 600 data (2008)

Abbott, B., Abbott, R., Adhikari, R., Ajith, P., Allen, Bruce, Allen, Gabrielle, ...

We present the results of the first joint search for gravitational-wave bursts by the LIGO and GEO 600 detectors. We search for bursts with characteristic central frequencies in the band 768-2048 Hz...

Search of S3 LIGO data for gravitational wave signals from spinning black hole and neutron star binary inspirals (2008)

Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...

We report in the methods and results of the first dedicated search for gravitational waves emitted during the inspiral of compact binaries with spinning component bodies. We analyze 788 hours of data...

Planetary Wave Coupling (5-6-Day Waves) in the Low Latitude Atmosphere-Ionosphere System (2008)

Pancheva, D, Mukhatrov, PJ, Mitchell, NJ, Fritts, DC, Riggin, DM, Takahashi, H, ...

Vertical coupling in the low-latitude atmosphere-ionosphere system driven by the 5-day Rossby W1 and 6-day Kelvin E1 waves in the low-latitude MLT region has been investigated. Three different types...

Planetary wave coupling (5-6-day waves) in the low-latitude atmosphere-ionosphere system (2008)

Pancheva, D. V., Mukhtarov, P. J., Mitchell, N. J., Fritts, D. C., Riggin, D. M., Takahashi, H., ...

Vertical coupling in the low-latitude atmosphere-ionosphere system driven by the 5-day Rossby W1 and 6-day Kelvin E1 waves in the low-latitude MLT region has been investigated. Three different types...

Effects of pneumococcal vaccine in patients with chronic respiratory disease (2008)

Yuji Watanuki, N. Miyazawa, M. Kudo, S. Inoue, H. Goto, H. Takahashi, ...

In developed countries, it is very difficult to demonstrate the effectiveness of pneumococcal vaccines because the incidence of pneumococcal pneumonia is very low. Vaccination against pneumococci...

A joint search for gravitational wave bursts with AURIGA and LIGO (2008)

Baggio, L., Bignotto, M., Bonaldi, M., Cerdonio, M., De Rosa, M., Falferi, P., ...

The first simultaneous operation of the AURIGA detector(63) and the LIGO observatory(64) was an opportunity to explore real data, joint analysis methods between two very different types of...

A joint search for gravitational wave bursts with AURIGA and LIGO (2008)

Baggio, L, Bignotto, M, Bonaldi, M, Cerdonio, M, Rosa, M De, Falferi, P, ...

"The first simultaneous operation of the AURIGA detector and the LIGO observatory was an opportunity to explore real data, joint analysis methods between two very different types of gravitational...

Astrophysically triggered searches for gravitational waves: status and prospects (2008)

Abbott, B, Abbott, R, Adhikari, R, Ajith, P, Allen, B, Allen, G, ...

"In gravitational-wave detection, special emphasis is put onto searches that focus on cosmic events detected by other types of astrophysical observatories. The astrophysical triggers, e.g. from g-ray...

First joint search for gravitational-wave bursts in LIGO and GEO 600 data (2008)

Abbott, B, Abbott, R, Adhikari, R, Ajith, P, Allen, B, Allen, G, ...

"We present the results of the first joint search for gravitational-wave bursts by the LIGO and GEO 600 detectors. We search for bursts with characteristic central frequencies in the band 768-2048 Hz...

Dynamic nuclear polarization and Knight shift measurements in a breakdown regime of integer quantum Hall effect (2007)

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...

Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)

Abbott, B, Abbott, R, Adhikari, R, Agresti, J, Ajith, P, Allen, B, ...

The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...

University Student Learning in Everyday Life Activity: Place, Time, and Media (2007)

Takahashi, H., Komatsu, Y.

A lot of Japanese universities introduce some e-learning systems into their education. In this paper, we ask 22 female university/college students to report when, where, and what they do, and which...

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....

Loss of aquaporin 4 in lesions of neuromyelitis optica: distinction from multiple sclerosis (2007)

Misu, T., Fujihara, K., Kakita, A., Konno, H., Nakamura, M., Watanabe, S., ...

Neuromyelitis optica (NMO) is an inflammatory and necrotizing disease clinically characterized by selective involvement of the optic nerves and spinal cord. There has been a long controversy as to...

Hydrogen Gas Sensor Based Upon Proton Acceptors Integrated in Copper-Tetra-2,3-Pyridinoporphyradine (2007)

Hoki, T., Takahashi, H., Suzuki, S., Mizuguchi, Jin, 水口, 仁, ミズグチ, ジン, ...

We have previously developed a novel H2 gas sensor based upon a high proton affinity of diketodipyridylpyrrolopyrrole. Protonation is found to bring about a remarkable reduction of the electrical...

Search for gravitational wave radiation associated with the pulsating tail of the SGR 1806-20 hyperflare of 27 December 2004 using LIGO (2007)

Abbott, B., Abbott, R., Adhikari, R., Boschi, V., Agresti, Juri, Ajith, P., ...

We report on a search for gravitational waves from binary black hole inspirals in the data from the second science run of the LIGO interferometers. The search focused on binary systems with component...

First cross-correlation analysis of interferometric and resonant-bar gravitational-wave data for stochastic backgrounds (2007)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

Data from the LIGO Livingston interferometer and the ALLEGRO resonant bar detector, taken during LIGO's fourth science run, were examined for cross-correlations indicative of a stochastic...

Upper limit map of a background of gravitational waves (2007)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We searched for an anisotropic background of gravitational waves using data from the LIGO S4 science run and a method that is optimized for point sources. This is appropriate if, for example, the...

Searches for periodic gravitational waves from unknown isolated sources and Scorpius X-1: Results from the second LIGO science run (2007)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

We carry out two searches for periodic gravitational waves using the most sensitive few hours of data from the second LIGO science run. Both searches exploit fully coherent matched filtering and...

Search for gravitational-wave bursts in LIGO data from the fourth science run (2007)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

The fourth science run of the LIGO and GEO 600 gravitational-wave detectors, carried out in early 2005, collected data with significantly lower noise than previous science runs. We report on a search...

Searching for a stochastic background of gravitational waves with the laser interferometer gravitational-wave observatory (2007)

Abbott, B., Abbott, R., Adhikari, R., Agresti, Juri, Ajith, P., Allen, Bruce, ...

The Laser Interferometer Gravitational‐Wave Observatory (LIGO) has performed the fourth science run, S4, with significantly improved interferometer sensitivities with respect to previous runs....

A systematical veto by all monitor signals in a gravitational-wave detector (2007)

Ishidoshiro, K., Ando, M., Tsubono, K., Kanda, Nobuyuki, Takahashi, H.

We present the current state of veto studies in TAMA300 by monitor signals of the interferometer and its environment. In GW data analysis, fake GW events may bury real GW events or worse upper limits...

MLT gravity wave climatology in the South America equatorial region observed by airglow imager (2007)

Medeiros, A. F., Takahashi, H., Buriti, R. A., Fechine, J., Wrasse, C. M., Gobbi, D.

An all-sky CCD imager for OH, O2 and OI (557.7 nm) airglow emission measurements was operated at São João do Cariri (Cariri), Brazil (7° S, 36° W), from October 2000 to December 2004. A large...

MLT gravity wave climatology in the South America equatorial region observed by airglow imager (2007)

Medeiros, A. F., Takahashi, H., Buriti, R. A., Fechine, J., Wrasse, C. M., Gobbi, D.

An all-sky CCD imager for OH, O2 and OI (557.7 nm) airglow emission measurements was operated at São João do Cariri (Cariri), Brazil (7° S, 36° W), from October 2000 to December 2004. A large...

University Student Learning in Everyday Life Activity: Place, Time, and Media (2007)

Takahashi, H., Komatsu, Y.

A lot of Japanese universities introduce some e-learning systems into their education. In this paper, we ask 22 female university/college students to report when, where, and what they do, and which...

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...

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...

Demonstration of quantum telecloning of optical coherent states (2006)

Koike, S., Takahashi, H., Yonezawa, H., Takei, N., Braunstein, S.L., Aoki, T., ...

We demonstrate unconditional telecloning for the first time. In particular, we symmetrically and unconditionally teleclone coherent states of light from one sender to two receivers, achieving a...

Carrier generation and carrier determination in dipyridyldiketopyrrolopyrrole-based H-2 gas sensors (2006)

Takahashi, H., Mizuguchi, Jin, 水口, 仁, ミズグチ, ジン

Operation mechanism of dipyridyldiketopyrrolopyrrole (DPPP)-based H-2 sensor has been investigated with special attention to the electric-field-assisted dissociation of H-2 in the presence of Pd or...

3,6-Di-3-pyridylpyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (2006)

Hirota, T., Imoda, T., Takahashi, H., Mizuguchi, Jin, 水口, 仁, ミズグチ, ジン, ...

The title compound, C16H10N4O2, is an organic red pigment utilized for hydrogen gas sensors. The centrosymmetric diketopyrrolopyrrole is nearly planar and is linked to four neighbouring molecules via...

Polymorph of 1,4-diketo-3,6-bis-(4 '-dipyridyl)-pyrrolo-[3,4-c] pyrrole and their hydrogen bond network: A material for H-2 gas sensor (2006)

Mizuguchi, Jin, Imoda, T., Takahashi, H., Yamakami, H., 水口, 仁, ミズグチ, ジン, ...

Diketodiphenylpyrrolopyrroles (DPP) are industrially important red pigments. The title compound (DPPP) is a dipyridyl derivative that possesses a high proton affinity because of the N atoms of the...

Joint LIGO and TAMA300 search for gravitational waves from inspiralling neutron star binaries (2006)

Abbott, B., Abbott, R., Adhikari, R., Ageev, A., Agresti, Juri, 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...

Results of the search for inspiraling compact star binaries from TAMA300's observation in 2000-2004 (2006)

Akutsu, Tomomi, Akutsu, Tomotadu, Ando, Masaki, Arai, Koji, Araya, Akito, 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...

The Japanese space gravitational wave antenna - DECIGO (2006)

Kawamura, Seiji, Nakamura, T., Ando, M., Seto, N., Tsubono, K., Numata, K., ...

DECi-hertz Interferometer Gravitational wave Observatory (DECIGO) is the future Japanese space gravitational wave antenna. It aims at detecting various kinds of gravitational waves between 1 mHz and...

Detecting gravitational waves from inspiraling binaries with a network of detectors: Coherent versus coincident strategies (2006)

Mukhopadhyay, Himan, Sago, N., Tagoshi, Hideyuki, Dhurandhar, Sanjeev, Takahashi, H., Kanda, Nobuyuki

We compare two strategies of multidetector detection of compact binary inspiral signals, namely, the coincidence and the coherent. For simplicity we consider here two identical detectors having the...

Status of the LIGO detectors (2006)

Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...

Copyright © Institute of Physics and IOP Publishing Limited 2006.

Status of the LIGO detectors (2006)

Abbott, B., Abbott, R., Adhikari, R., Agresti, J., Ajith, P., Allen, B., ...

Copyright © Institute of Physics and IOP Publishing Limited 2006.

Signatures of 3?6 day planetary waves in the equatorial mesosphere and ionosphere (2006)

Takahashi, H., Wrasse, C. M., Pancheva, D., Abdu, M. A., Batista, I. S., Lima, L. M., ...

Common periodic oscillations have been observed in meteor radar measurements of the MLT winds at Cariri (7.4° S, 36.5° W) and Ascension Island (7.9° S, 14.4° W) and in the minimum ionospheric...

Mesospheric gravity waves observed near equatorial and low?middle latitude stations: wave characteristics and reverse ray tracing results (2006)

Wrasse, C. M., Nakamura, T., Takahashi, H., Medeiros, A. F., Taylor, M. J., Gobbi, D., ...

Gravity wave signatures were extracted from OH airglow observations using all-sky CCD imagers at four different stations: Cachoeira Paulista (CP) (22.7° S, 45° W) and São João do Cariri (7.4° S,...

Signatures of 3?6 day planetary waves in the equatorial mesosphere and ionosphere (2006)

Takahashi, H., Wrasse, C. M., Pancheva, D., Abdu, M. A., Batista, I. S., Lima, L. M., ...

Common periodic oscillations have been observed in meteor radar measurements of the MLT winds at Cariri (7.4° S, 36.5° W) and Ascension Island (7.9° S, 14.4° W) and in the minimum ionospheric...

Mesospheric gravity waves observed near equatorial and low?middle latitude stations: wave characteristics and reverse ray tracing results (2006)

Wrasse, C. M., Nakamura, T., Takahashi, H., Medeiros, A. F., Taylor, M. J., Gobbi, D., ...

Gravity wave signatures were extracted from OH airglow observations using all-sky CCD imagers at four different stations: Cachoeira Paulista (CP) (22.7° S, 45° W) and São João do Cariri (7.4° S,...

N,N'-Bis(4-pyridyl)naphthalene-3,4 : 7,8-dicarboximide dimethylformamide disolvate (2005)

Mizuguchi, Jin, Makino, T., Imura, Y., Takahashi, H., Suzuki, S., 水口, 仁, ...

In the title compound, C24H12N4O4 (.)2C(3)H(7)NO, the naphthalene imide, which is an organic pigment utilized for H-2 gas sensors, has inversion symmetry. The pyridyl rings are twisted, in the same...

N,N '-di-4-pyridylperylene-3,4 : 9,10-bis-(dicarboximide) (2005)

Hino, K., Sato, K., Takahashi, H., Suzuki, S., Mizuguchi, Jin, 水口, 仁, ...

The title compound, C34H16N4O4, is a perylene - imide pigment utilized for H-2 gas sensors. The molecule has C-i symmetry. The angle between each of the pyridyl rings and the peryleneimide skeleton...

N,N '-di-2-pyridylperylene-3,4 : 9,10-bis(dicarboximide) (2005)

Mizuguchi, Jin, Hino, K., Sato, K., Takahashi, H., Suzuki, S., 水口, 仁, ...

The title compound, C34H16N4O4, is a perylene - imide pigment utilized for H-2 gas sensors. There are two independent half-molecules in the asymmetric unit. The symmetry of both molecules is C-i. The...

3,6-di-4-pyridylpyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione (2005)

Mizuguchi, Jin, Imoda, T., Takahashi, H., 水口, 仁, ミズグチ, ジン, ...

The centrosymmetric title compound, C16H10N4O2, is an organic red pigment utilized for H-2 gas sensors. The centrosymmetric diketopyrrolopyrrole moieties are connected by bifurcated N...H...O...

N,N '-di-3-pyridylperylene-3,4 : 9,10-bis-(dicarboximide) (2005)

Mizuguchi, Jin, Hino, K., Sato, K., Takahashi, H., Suzuki, S., 水口, 仁, ...

The title compound, C34H16N4O4, is a perylene - imide pigment utilized for H-2 gas sensors. The molecule has C-i symmetry with one half- molecule in the asymmetric unit. The angle between each of the...

The climatology of ionospheric plasma bubbles and irregularities over Brazil (2005)

Chu, F. D., Liu, J. Y., Takahashi, H., Sobral, J. H. A., Taylor, M. J., Medeiros, A. F.

In this paper, we examine ionospheric plasma depletions (or bubbles) and irregularities observed by photometers and a ground-based receiver of the global positioning system (GPS) both located in...

The climatology of ionospheric plasma bubbles and irregularities over Brazil (2005)

Chu, F. D., Liu, J. Y., Takahashi, H., Sobral, J. H. A., Taylor, M. J., Medeiros, A. F.

In this paper, we examine ionospheric plasma depletions (or bubbles) and irregularities observed by photometers and a ground-based receiver of the global positioning system (GPS) both located in...

Clinical and pathological differences between Mikulicz's disease and Sjogren's syndrome (2005)

Yamamoto, M., Harada, S., Ohara, M., Suzuki, C., Naishiro, Y., Yamamoto, H., ...

Objective. Mikulicz's disease (MD) has been included within the diagnosis of primary Sjögren's syndrome (SS), but represents a unique condition involving enlargement of the lachrymal and salivary...

Role of alpha-methylacyl coenzyme A racemase in the degradation of methyl-branched alkanes by Mycobacterium sp strain P101 (2004)

Takahashi, H, Wakasa, Y, Kotani, T, Yurimoto, H, Miyachi, N, ...

A new isolate, Mycobacterium sp. strain P101, is capable of growth on methyl-branched alkanes (pristane, phytane, and squalane). Among ca. 10,000 Tn5-derived mutants, we characterized 2 mutants...

Plasma bubble zonal velocity variations with solar activity in the Brazilian region (2004)

Terra, P. M., Sobral, J. H. A., Abdu, M. A., Souza, J. R., Takahashi, H.

A statistical study of the zonal drift velocities of the ionospheric plasma bubbles using experimental airglow data acquired at the low-latitude station Cachoeira Paulista (Geogr. 22.5° S, 45° W,...

Plasma bubble zonal velocity variations with solar activity in the Brazilian region (2004)

Terra, P. M., Sobral, J. H. A., Abdu, M. A., Souza, J. R., Takahashi, H.

A statistical study of the zonal drift velocities of the ionospheric plasma bubbles using experimental airglow data acquired at the low-latitude station Cachoeira Paulista (Geogr. 22.5° S, 45° W,...

Clinical and pathological differences between Mikulicz's disease and Sjogren's syndrome (2004)

Yamamoto, M., Harada, S., Ohara, M., Suzuki, C., Naishiro, Y., Yamamoto, H., ...

Objective. Mikulicz's disease (MD) has been included within the diagnosis of primary Sjögren's syndrome (SS), but represents a unique condition involving enlargement of the lachrymal and salivary...

Clinical and pathological differences between Mikulicz's disease and Sjogren's syndrome (2004)

Yamamoto, M., Harada, S., Ohara, M., Suzuki, C., Naishiro, Y., Yamamoto, H., ...

Objective. Mikulicz's disease (MD) has been included within the diagnosis of primary Sjögren's syndrome (SS), but represents a unique condition involving enlargement of the lachrymal and salivary...

Contents page (2003)

International Bioethics, Brain Death, Organ Transplantation Knowledge, A. Bagheri, T. Tanaka, H. Takahashi, ...

Official Journal of the Asian Bioethics Association (ABA) and the IUBS Bioethics Program

Vacancy ion-exclusion chromatography of carboxylic acids on a strongly acidic cation-exchange resin (2002)

Tanaka, K, Ding, MY, Takahashi, H, Helaleh, MIH, Taoda, H, Hu, W, ...

A new approach to ion-exclusion chromatography (IEC) is proposed to overcome the relatively poor conductivity detection response which occurs in IEC on when acids are added to the eluent in order to...

Vacancy ion-exclusion chromatography of carboxylic acids on a weakly acidic cation-exchange resin (2002)

Tanaka, K, Ding, MY, Helaleh, MIH, Taoda, H, Takahashi, H, Hu, W, ...

In this preliminary study, a new approach to ion-exclusion chromatography is proposed to overcome the relatively poor conductivity detection response which occurs in ion-exclusion chromatography when...

Vacancy ion-exclusion chromatography of carboxylic acids on a strongly acidic cation-exchange resin (2002)

Tanaka, K, Ding, MY, Takahashi, H, Helaleh, MIH, Taoda, H, Hu, W, ...

A new approach to ion-exclusion chromatography (IEC) is proposed to overcome the relatively poor conductivity detection response which occurs in IEC on when acids are added to the eluent in order to...

Vacancy ion-exclusion chromatography of carboxylic acids on a weakly acidic cation-exchange resin (2002)

Tanaka, K, Ding, MY, Helaleh, MIH, Taoda, H, Takahashi, H, Hu, W, ...

In this preliminary study, a new approach to ion-exclusion chromatography is proposed to overcome the relatively poor conductivity detection response which occurs in ion-exclusion chromatography when...

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT with a silicon interface control layer showing high DC- and RF-performance (2001)

Yong, Gui Xie., Kasai, S., Takahashi, H., Chao, Jiang., Hasegawa, H., 葛西, 誠也

A novel InGaAs/InAlAs insulated gate pseudomorphic HEMT (IG-PHEMT) utilizing a silicon interface control layer (Si ICL) was successfully fabricated and its DC and RF performances were characterized....

Photosynthetic electron transport inhibition by pyrimidines and pyridines substituted with benzylamino, methyl and trifluoromethyl groups (2001)

Ohki, S., Takahashi, H., Kuboyama, N., Koizumi, K., Kohno, H., ...

The decrease of the number of ring nitrogen atoms of 2-benzylamino-4-methyl-6-trifluoromethyl-1,3,5-triazines on herbicidal activity and inhibition of photosynthetic electron transport (PET) was...

Alcohol and the pancreas (2001)

Haber, Paul, Nakamura, Masahiko, Tsuchimoto, Kanji, Ishii, Hiromasa, Keogh, Gregory W., Apte, Minoti V., ...

This article represents the proceedings of a workshop at the 2000 ISBRA Meeting in Yokohama, Japan. The presentations were (1) Phenotypic alteration of myofibroblast during ethanol-induced pancreatic...

Brief communication. Fifty microsatellite markers for Japanese quail (2000)

Kayang, BB, Inoue-Murayama, M, Nomura, A, Kimura, K, Takahashi, H, Mizutani, M, ...

A Japanese quail genomic library enriched for (CA/GT)n simple sequence was screened and positive clones were sequenced. Fifty original microsatellite sequences were isolated that consisted mainly of...

Observations of day-to-day variability in precursor signatures to equatorial F-region plasma depletions (1999)

Fagundes, P. R., Sahai, Y., Batista, I. S., Abdu, M. A., Bittencourt, J. A., Takahashi, H.

In December 1995, a campaign was carried out to study the day-to-day variability in precursor signatures to large-scale ionospheric F-region plasma irregularities, using optical diagnostic...

Observations of day-to-day variability in precursor signatures to equatorial F-region plasma depletions (1999)

Fagundes, P. R., Sahai, Y., Batista, I. S., Abdu, M. A., Bittencourt, J. A., Takahashi, H.

In December 1995, a campaign was carried out to study the day-to-day variability in precursor signatures to large-scale ionospheric F-region plasma irregularities, using optical diagnostic...

Nano-crystalline formation during stress-induced amorphization at crack tips in TiNi (1999)

Tozawa, K., Haishi, Y., Matsukawa, Y., Watanabe, S., Ohnuki, S., Takahashi, H.

Although the local stress intensification in the immediate vicinity of a crackat room temperature was also carried out. Local stress-induced amorphization at moving crack tips has been observed. The...

Brief communication. Genetic relationships among Japanese native breeds of chicken based on microsatellite DNA polymorphisms (1998)

Takahashi, H, Nirasawa, K, Nagamine, Y, Tsudzuki, M, Yamamoto, Y

Genetic relationships among Japanese native breeds of chickens were studied on the basis of microsatellite DNA polymorphisms. DNA samples from 10 Japanese native breeds (Iwate-Jidori, Aizu-Jidori,...

Increases in body mass index and waist circumference as outcomes of working overtime (1998)

Nakamura, K., Shimai, S., Kikuchi, S., Takahashi, H., Tanaka, M., Nakano, S., ...

This epidemiologic study was undertaken to determine whether working overtime is associated with anthropometric indices and serum lipids, risk factors for obesity, in white-collar workers....

The complete genome sequence of the Gram-positive bacterium Bacillus subtilis (1997)

Kunst, F., Ogasawara, N., Moszer, I., Albertini, A.M., Alloni, G., Azevedo, V., ...

Bacillus subtilis is the best-characterized member of the Gram-positive bacteria. Its genome of 4,214,810 base pairs comprises 4,100 protein-coding genes. Of these protein-coding genes, 53% are...

Mesospheric energy loss rates by OH and O2 emissions at 23°S (1997)

Fagundes, P. R., Gobbi, D., Takahashi, H., Sahai, Y.

The nightglow OH(9, 4) and O2 atmospheric (0,1) band emission intensities and their rotational temperatures T(OH) and T(O2), respectively, observed at Cachoeira Paulista (23°S, 45°W), Brazil,...

Mesospheric energy loss rates by OH and O2 emissions at 23°S (1997)

Fagundes, P. R., Gobbi, D., Takahashi, H., Sahai, Y.

The nightglow OH(9, 4) and O2 atmospheric (0,1) band emission intensities and their rotational temperatures T(OH) and T(O2), respectively, observed at Cachoeira Paulista (23°S, 45°W), Brazil,...

Shift work and risk factors for coronary heart disease in Japanese blue-collar workers: Serum lipids and anthropometric characteristics (1997)

Nakamura, K., Shimai, S., Kikuchi, S., Tominaga, K., Takahashi, H., Tanaka, M., ...

This study was conducted to determine if there is an association between shift work and risk factors for coronary heart disease (CHD) in Japanese mate blue-collar shift workers. Health check-up data...

Study of Shear Viscosity of Amorphous Materials (1996)

Hiki, Y., Kobayashi, H., Takahashi, H.

Viscoelastic properties of amorphous solids deformed under uniform shear stress were studied using a kind of sandwich method with utilizing a sensitive optical technique. Time-dependent deformation...

Study of Shear Viscosity of Amorphous Materials (1996)

Hiki, Y., Kobayashi, H., Takahashi, H.

Viscoelastic properties of amorphous solids deformed under uniform shear stress were studied using a kind of sandwich method with utilizing a sensitive optical technique. Time-dependent deformation...

Interactions between Hydrotropism and Gravitropism in the Primary Seminal Roots of Triticum eastivum L. (1995)

Oyanagi, A., Takahashi, H., Suge, H.

It has been proposed that hydrotropism interacts with gravitropism in seedling roots; that is, roots which are highly gravitropic show less hydrotropism (Takahashi and Suge, 1991 Physiologia...

Effects of etomidate on whole-cell and single L-type calcium channel currents in guineapig isolated ventricular myocytes (1994)

TAKAHASHI, H., TERRAR, D. A.

We have investigated the effects of etomidate 4.4 μmol litre−1, 1.0 mg litre−1 and 27.4 μmol litre−1, 6.25 mg litre−1 on whole-cell and single L-type calcium channel currents in myocytes...

Spinal cord potential recordings from the extradural space during scoliosis surgery (1994)

FUJIOKA, H., SHIMOJI, K., TOMITA, M., DENDA, S., TAKADA, T., HOMMA, T., ...

For monitoring spinal cord functions during corrective surgery of scoliosis, we have recorded percutaneously from the posterior extradural space at the C5-7 levels the ascending conducted spinal cord...

SEVOFLURANE DOES NOT INCREASE INTRACRANIAL PRESSURE IN HYPERVENTILATED DOGS (1993)

TAKAHASHI, H., MURATA, K., IKEDA, K.

We have measured the effects of 0.5, 1.0 and 1.5 MAC (minimum alveolar concentration) endtidal concentrations of sevollurane on intracranial pressure (ICP), cerebral perfusion pressure (CPP), mean...

Prediction of smoking behavior in Japanese young adults (1992)

Kawabata, T., Orlandi, M.A., Takahashi, H., Nishioka, N., Okajima, Y., Watanabe, M., ...

Eighty-eight second grade students of a senior high school in Saitama prefecture in Japan participated in a prospective study to predict cigarette smoking behavior 3.5 years later. Predictor...

INFLUENCE OF LOADING RATE ON ANISOTROPY OF COMPACT BONE (1991)

Tanabe, Y., Tanaka, S., Sakamoto, M., Hara, T., Takahashi, H., Koga, Y.

Impact compression experiments for bovine femoral compact bone (plexiform bone) are performed using the split-Hopkinson pressure-bar (SHPB) technique. A method is developed for the identification of...

INFLUENCE OF LOADING RATE ON ANISOTROPY OF COMPACT BONE (1991)

Tanabe, Y., Tanaka, S., Sakamoto, M., Hara, T., Takahashi, H., Koga, Y.

Impact compression experiments for bovine femoral compact bone (plexiform bone) are performed using the split-Hopkinson pressure-bar (SHPB) technique. A method is developed for the identification of...

A COMPRESSION TESTING TECHNIQUE AT HIGH RATES OF STRAIN FOR SHEET METALS (1988)

Sato, Y., Matsui, S., Kobayashi, M., Takahashi, H.

Stress-strain curves of sheet metals at high strain rates, say 700 S-1, are determined. Laminated plates are compressed dynamically by a modified split Hopkinson pressure bar system. Plate specimens...

A COMPRESSION TESTING TECHNIQUE AT HIGH RATES OF STRAIN FOR SHEET METALS (1988)

Sato, Y., Matsui, S., Kobayashi, M., Takahashi, H.

Stress-strain curves of sheet metals at high strain rates, say 700 S-1, are determined. Laminated plates are compressed dynamically by a modified split Hopkinson pressure bar system. Plate specimens...

ICRF HEATING IN TOKAMAKS (1977)

Takahashi, H.

The current status of ICRF heating of Tokamak plasmas is described. Two aspects of the subject are discussed : the physics of wave damping and the evaluation of ion heating. Recent experiments in...

Upregulated EMMPRIN/CD147 might contribute to growth and angiogenesis of gastric carcinoma: a good marker for local invasion and prognosis

Zheng, H-C, Takahashi, H, Murai, Y, Cui, Z-G, Nomoto, K, Miwa, S, ...

Tumour growth depends on angiogenesis, which is closely associated with vascular endothelial growth factor (VEGF) and matrix metalloproteinases (MMPs). Extracellular MMP inducer (EMMPRIN) was...

PTEN activity could be a predictive marker of trastuzumab efficacy in the treatment of ErbB2-overexpressing breast cancer

Fujita, T, Doihara, H, Kawasaki, K, Takabatake, D, Takahashi, H, Washio, K, ...

Trastuzumab is the only HER2/neu-directed therapy to have received Food and Drug Administration approval for the treatment of patients with metastatic breast cancer. The efficacy of trastuzumab...