T. Katayama

Publication List Details

Period

1979 - 2008

Number

95

Co-Authors

Chemical Constituents from Swietenia macrophylla Bark and Their Antioxidant Activity (2008)

S. Falah, T. Suzuki, T. Katayama

Chemical constituents of the bark of Swietenia macrophylla King (Meliaceae) was investigated not only to develop further bark utilization but also to understand the biochemical function of the bark...

Experimental Test of Momentum Cooling Model Predictions at COSY and Conclusions for WASA and HESR (2007)

Stockhorst, H., Stassen, R., Maier, R., Prasuhn, D., Katayama, T., Thorndahl, L.

The High-Energy Storage Ring (HESR) of the future International Facility for Antiproton and Ion Research (FAIR) at GSI in Darmstadt is planned as an anti-proton cooler ring in the momentum range from...

Defect-mediated properties of magnetic tunnel junctions (2007)

Velev, Julian P., Zhuravlev, M. Ye., Belashchenko, Kirill D., Jaswal, Sitaram S., Tsymbal, Evgeny Y, Katayama, T., ...

Defects play an important role in the properties of metal oxides which are currently used as barrier layers in magnetic tunnel junctions (MTJs). We study the effect of O vacancies on the interlayer...

Interlayer Exchange Coupling in Fe/MgO/Fe Magnetic Tunnel Junctions (2006)

Katayama, T., Yuasa, S., Velev, J. P., Zhuravlev, M. Ye., Jaswal, Sitaram S., Tsymbal, Evgeny Y

Interlayer exchange coupling (IEC) in fully epitaxial Fe/MgO/Fe (001) tunnel junctions with wedge-shaped MgO layers is measured at room temperature from the unidirectional shift of the Kerr...

A search for deeply bound kaonic nuclear states (2005)

Suzuki, T., Bhang, H., Franklin, G., Gomikawa, K., Hayano, R. S., Hayashi, T., ...

We have measured proton and neutron energy spectra by stopping negative kaons on liquid helium4. Two distinct peak structures were found on both spectra, which were assigned to the formation of new...

Indication of a strange tribaryon S^+ from the ^4He(stopped K^-,n) reaction (2003)

Iwasaki, M., Suzuki, T., Bhang, H., Franklin, G., Gomikawa, K., Hayano, R. S., ...

We measured the neutron time-of-flight spectrum in the ^4He(stopped K^-, n) reaction by stopping negative kaons in a superfluid helium target. A clear enhancement was observed in the neutron...

The Data Acquisition System Based on PMC Bus (2003)

Igarashi, Y., Fujii, H., Higuchi, T., Ikeno, M., Inoue, E., Itoh, R., ...

High energy physics experiments in KEK/Japan rush into over KHz trigger stage. Thus, we need a successor of the data acquisition(DAQ) system that replaces the CAMAC or FASTBUS systems. To meet these...

Development of a PCI Based Data Acquisition Platform for High Intensity Accelerator Experiments (2003)

Higuchi, T., Fujii, H., Ikeno, M., Igarashi, Y., Inoue, E., Itoh, R., ...

Data logging at an upgraded KEKB accelerator or the J-PARC facility, currently under commission, requires a high density data acquisition platform with integrated data reduction CPUs. To follow...

Attribute Grammars as Record Calculus - A Structure-Oriented Denotational Semantics of Attribute Grammars by Using Cardelli's Record Calculus (2000)

K. Gondow, T. Katayama

In this paper, we present a new denotational semantics of attribute grammars (AGs) by using Cardelli's record calculus. This new denotational semantics is simple, natural and structureoriented. AGs...

Using Object-Oriented Attribute Grammars as ODB System Generator (2000)

T. Hagiwara, K. Gondow, T. Imaizumi, T. Katayama

This paper presents MAGE2 system. It implements a computational model OOAG (Object-Oriented Attribute Grammars) and creates its attributed object trees in object-oriented database (ODB) using...

Computation of J-Inner-Outer Factorizations of Rational Matrices (1998)

Varga, A., Katayama, T.

A new numerically reliable computational approach is proposed to compute the factorization of a rational transfer function matrix G as a product of a J-lossless factor with a stable, minimum-phase...

Magneto-optical Kerr rotation spectra in ordered and disordered plases of Fe-Pt alloy films (1992)

Katayama, T., Sugimoto, T., Suzuki, Y., Hashimoto, M., Haan, P. De, Lodder, J.C.

The magneto-optical Kerr rotation (¿K) spectra and the related properties have been measured in ordered and disordered phases of several kinds of Fe-Pt alloy films. The |¿K| in as-deposited...

Magnetic and magneto-optical properties of sputtered Co/Pd multilayers (1992)

Haan, P. De, Meng, Q., Katayama, T., Lodder, J.C.

Co/Pd multilayer thin films consisting of Co layers between 2¿25 Å and Pd layers of typically 14 Å were prepared by rf sputtering. Hysteresis loops and the magnetization were measured parallel and...

Magneto-optical Kerr rotation spectra in ordered and disordered plases of Fe-Pt alloy films (1992)

Katayama, Dr. T., Sugimoto, T., Suzuki, Y., Hashimoto, M., Haan De, Ir. P., Lodder, Prof.dr. J.C.

The magneto-optical Kerr rotation (¿K) spectra and the related properties have been measured in ordered and disordered phases of several kinds of Fe-Pt alloy films. The |¿K| in as-deposited...

Magnetic and magneto-optical properties of sputtered Co/Pd multilayers (1992)

Haan De, Ir. P., Meng, Dr. Q., Katayama, Dr. T., Lodder, Prof.dr. J.C.

Co/Pd multilayer thin films consisting of Co layers between 2¿25 Å and Pd layers of typically 14 Å were prepared by rf sputtering. Hysteresis loops and the magnetization were measured parallel and...

Magneto-optical Kerr rotation spectra in ordered and disordered plases of Fe-Pt alloy films (1992)

Katayama, T., Sugimoto, T., Suzuki, Y., Hashimoto, M., Haan De, P., Lodder, J.C.

The magneto-optical Kerr rotation (¿K) spectra and the related properties have been measured in ordered and disordered phases of several kinds of Fe-Pt alloy films. The |¿K| in as-deposited...

Magnetic and magneto-optical properties of sputtered Co/Pd multilayers (1992)

Haan De, P., Meng, Q., Katayama, T., Lodder, J.C.

Co/Pd multilayer thin films consisting of Co layers between 2¿25 Å and Pd layers of typically 14 Å were prepared by rf sputtering. Hysteresis loops and the magnetization were measured parallel and...

MAGNETIC AND MAGNETO-OPTICAL PROPERTIES OF Co/Ag COMPOSITIONALLY MODULATED MULTILAYER FILMS (1988)

Katayama, T., Sugimoto, T., Suzuki, Y., Kitaguchi, T., Nishihara, Y., Koshizuka, N.

Magnetic properties and magneto-optical Kerr rotation θK spectra are studied for Co/Ag compositionally modulated multilayer films. It is shown that a new peak appears around λ = 310 nm with...

MAGNETIC AND MAGNETO-OPTICAL PROPERTIES OF Co/Ag COMPOSITIONALLY MODULATED MULTILAYER FILMS (1988)

Katayama, T., Sugimoto, T., Suzuki, Y., Kitaguchi, T., Nishihara, Y., Koshizuka, N.

Magnetic properties and magneto-optical Kerr rotation θK spectra are studied for Co/Ag compositionally modulated multilayer films. It is shown that a new peak appears around λ = 310 nm with...

MAGNETIC AND MAGNETO-OPTICAL PROPERTIES OF Co/Ag COMPOSITIONALLY MODULATED MULTILAYER FILMS (1988)

Katayama, T., Sugimoto, T., Suzuki, Y., Kitaguchi, T., Nishihara, Y., Koshizuka, N.

Magnetic properties and magneto-optical Kerr rotation θK spectra are studied for Co/Ag compositionally modulated multilayer films. It is shown that a new peak appears around λ = 310 nm with...

PRESENT STATUS OF UVSOR (1986)

Watanabe, M, Kasuga, T, Yonehara, H, Uchida, A, Sakai, K, Matsudo, O, ...

In *Tsukuba 1984, Proceedings, Accelerator Science and Technology*, 15-17

MÖSSBAUER AND MAGNETIC MEASUREMENTS IN AMORPHOUS RARE EARTH-TRANSITION METAL FILMS (1979)

Katayama, T., Nishihara, Y., Yamaguchi, Y., Ogawa, S., Tsushima, T.

Mössbauer and magnetic studies were carried out on the amorphous GdFe and DyFe films prepared under the conditions with or without negative voltage Vb. It is found that the preferential resputtering...

MÖSSBAUER AND MAGNETIC MEASUREMENTS IN AMORPHOUS RARE EARTH-TRANSITION METAL FILMS (1979)

Katayama, T., Nishihara, Y., Yamaguchi, Y., Ogawa, S., Tsushima, T.

Mössbauer and magnetic studies were carried out on the amorphous GdFe and DyFe films prepared under the conditions with or without negative voltage Vb. It is found that the preferential resputtering...

MÖSSBAUER AND MAGNETIC MEASUREMENTS IN AMORPHOUS RARE EARTH-TRANSITION METAL FILMS (1979)

Katayama, T., Nishihara, Y., Yamaguchi, Y., Ogawa, S., Tsushima, T.

Mössbauer and magnetic studies were carried out on the amorphous GdFe and DyFe films prepared under the conditions with or without negative voltage Vb. It is found that the preferential resputtering...

Serodiagnosis of hepatitis C virus (HCV) infection with an HCV core protein molecularly expressed by a recombinant baculovirus.

Chiba, J, Ohba, H, Matsuura, Y, Watanabe, Y, Katayama, T, Kikuchi, S, ...

An enzyme-linked immunosorbent assay (ELISA) was developed for serological diagnosis of hepatitis C virus (HCV) infection, using HCV core protein (p22) synthesized by a recombinant baculovirus. Among...

Detection of antibody against antigen expressed by molecularly cloned hepatitis C virus cDNA: application to diagnosis and blood screening for posttransfusion hepatitis.

Miyamura, T, Saito, I, Katayama, T, Kikuchi, S, Tateda, A, Houghton, M, ...

A cDNA clone has been derived from the plasma of a chimpanzee with chronic non-A, non-B viral hepatitis (NANBH). We have assayed for antibodies reacting with the encoded antigen in sera from...

Hepatitis C virus infection is associated with the development of hepatocellular carcinoma.

Saito, I, Miyamura, T, Ohbayashi, A, Harada, H, Katayama, T, Kikuchi, S, ...

A possible causative role for the recently discovered hepatitis C virus (HCV) in the development of hepatocellular carcinoma (HCC) was investigated by assay of sera from HCC patients in Japan for...

Antimycobacterial activities in vitro and in vivo and pharmacokinetics of dihydromycoplanecin A.

Haneishi, T, Nakajima, M, Shiraishi, A, Katayama, T, Torikata, A, Kawahara, Y, ...

The in vitro activity of dihydromycoplanecin A (DHMP A), a new cyclic peptide antibiotic, was compared with those of antimycobacterial drugs such as streptomycin, isoniazid (INH), rifampin, and...

The nucleoid protein H-NS facilitates chromosome DNA replication in Escherichia coli dnaA mutants.

Katayama, T, Takata, M, Sekimizu, K

Growth inhibition of the dnaA(Cs) mutant, which overinitiates chromosome replication, was shown to be dependent upon the nucleoid protein H-NS. [3H]thymine incorporation experiments indicated that...

Comparative study on the natural occurrence of Fusarium mycotoxins (trichothecenes and zearalenone) in corn and wheat from high- and low-risk areas for human esophageal cancer in China.

Luo, Y, Yoshizawa, T, Katayama, T

A comparative study on the natural occurrence of Fusarium toxins was done with 47 corn and 30 wheat samples collected in 1989 from Linxian and Shangqiu Counties in Henan Province, People's Republic...

Genetic suppression of a dnaG mutation in Escherichia coli.

Katayama, T, Murakami, Y, Wada, C, Ohmori, H, Yura, T, Nagata, T

Escherichia coli strains with a temperature-sensitive mutation, dnaG2903, in the primase-encoding gene spontaneously reverted to the temperature-insensitive phenotype at a high frequency. Many of the...

Specific amplification of Rickettsia japonica DNA from clinical specimens by PCR.

Furuya, Y, Katayama, T, Yoshida, Y, Kaiho, I

The gene encoding the 17,000-molecular-weight genus-common antigen (17K genus-common antigen) has been cloned and sequenced from Rickettsia japonica. The primer pair used for PCR was designed from...

Expression of processed core protein of hepatitis C virus in mammalian cells.

Harada, S, Watanabe, Y, Takeuchi, K, Suzuki, T, Katayama, T, Takebe, Y, ...

A structural protein of hepatitis C virus (HCV) was expressed in monkey COS cells under the control of an exogenous promoter, and a protein of 22 kDa was identified by immunoblot analysis. This...

Cloning of a Streptococcus sobrinus gtf gene that encodes a glucosyltransferase which produces a high-molecular-weight water-soluble glucan.

Hanada, N, Yamashita, Y, Shibata, Y, Sato, S, Katayama, T, Takehara, T, ...

The gtf gene coding for glucosyltransferase (GTF), which produces a water-soluble glucan, was cloned from Streptococcus sobrinus OMZ176 (serotype d) into plasmid vector pBR322. This gene was...

Serotype-specific amplification of Rickettsia tsutsugamushi DNA by nested polymerase chain reaction.

Furuya, Y, Yoshida, Y, Katayama, T, Yamamoto, S, Kawamura, A

Polymerase chain reaction (PCR) with nested primer pairs was used to diagnose scrub typhus and identify the Rickettsia tsutsugamushi serotype. The primer pairs used for PCR were designed on the basis...

Specific amplification of Rickettsia tsutsugamushi DNA from clinical specimens by polymerase chain reaction.

Furuya, Y, Yoshida, Y, Katayama, T, Kawamori, F, Yamamoto, S, Ohashi, N, ...

Polymerase chain reaction (PCR) was used to detect Rickettsia tsutsugamushi-specific DNA in clinical specimens. The primer pair used for PCR was designed from the nucleotide sequence of the gene...

Nucleotide sequence analysis of the gtfT gene from Streptococcus sobrinus OMZ176.

Hanada, N, Isobe, Y, Aizawa, Y, Katayama, T, Sato, S, Inoue, M

The gtfT gene and its upstream region isolated from the Streptococcus sobrinus OMZ176 chromosomal DNA were sequenced. The gtfT gene was preceded by a potential Shine-Dalgarno sequence. The gtfT gene...

Immunopathological mechanisms of human T cell lymphotropic virus type 1 (HTLV-I) uveitis. Detection of HTLV-I-infected T cells in the eye and their constitutive cytokine production.

Sagawa, K, Mochizuki, M, Masuoka, K, Katagiri, K, Katayama, T, Maeda, T, ...

The immunopathology of human T cell lymphotropic virus type 1 (HTLV-I) uveitis was addressed by using T cell clones (TCC) established from the intraocular fluid of patients with HTLV-I uveitis....