T. Uemura

Publication List Details

Period

1989 - 2008

Number

93

Co-Authors

Convergence of symmetric Markov chains on $\Z^d$ (2008)

Bass, R. F., Kumagai, T., Uemura, T.

For each $n$ let $Y^n_t$ be a continuous time symmetric Markov chain with state space $n^{-1} \Z^d$. A condition in terms of the conductances is given for the convergence of the $Y^n_t$ to a...

Superconducting Focusing Solenoid For X-Band Klystron (2007)

Ogitsu Higo And, T. Ogitsu, T. Higo, H. Mizuno, Y. Imai, T. Inaguchi, ...

INTRODUCTION The X-band klystron, now being developed at KEK [1], requires a focusing solenoid whose warm bore aperture is about 180 mm and maximum axial field is 7 kGauss. The normal conducting...

Fabrication of Fully Epitaxial Co2Cr0.6Fe0.4Al/MgO/Co2Cr0.6Fe0.4Al Magnetic Tunnel Junctions (2007)

Marukame, T., Ishikawa, T., Hakamata, S., Uemura, T., Yamamoto, M.

Fully epitaxial magnetic tunnel junctions (MTJs) of Co2Cr0.6Fe0.4Al (CCFA)/MgO/CCFA with exchange biasing were fabricated. The fabricated MTJs showed clear exchange-biased tunnel magnetoresistance...

Four-State Magnetoresistance in Epitaxial CoFe-Based Magnetic Tunnel Junctions (2007)

Uemura, T., Marukame, T., Matsuda, K., Yamamoto, M.

A four-state magnetic random access memory (MRAM) was developed using an epitaxial Co50Fe50-MgO-Co50Fe 50 magnetic tunnel junction (MTJ) with a tunnel magnetoresistance (TMR) ratio of 145% at room...

Fabrication of Fully Epitaxial Co2Cr0.6Fe0.4Al/MgO/Co2Cr0.6Fe0.4Al Magnetic Tunnel Junctions (2007)

Marukame, T., Ishikawa, T., Hakamata, S., Uemura, T., Yamamoto, M.

Fully epitaxial magnetic tunnel junctions (MTJs) of Co2Cr0.6Fe0.4Al (CCFA)/MgO/CCFA with exchange biasing were fabricated. The fabricated MTJs showed clear exchange-biased tunnel magnetoresistance...

Four-State Magnetoresistance in Epitaxial CoFe-Based Magnetic Tunnel Junctions (2007)

Uemura, T., Marukame, T., Matsuda, K., Yamamoto, M.

A four-state magnetic random access memory (MRAM) was developed using an epitaxial Co50Fe50-MgO-Co50Fe 50 magnetic tunnel junction (MTJ) with a tunnel magnetoresistance (TMR) ratio of 145% at room...

Effect of a MgO interlayer on the structural and magnetic properties of Co[sub 2]Cr[sub 0.6]Fe[sub 0.4]Al thin films epitaxially grown on GaAs substrates (2007)

Yano, T., Uemura, T., Yamamoto, M.

The effect of a MgO interlayer on the structural and magnetic properties of Co2Cr0.6Fe0.4Al (CCFA) thin films epitaxially grown on GaAs substrates by sputtering was investigated. When the MgO...

Effect of a MgO interlayer on the structural and magnetic properties of Co[sub 2]Cr[sub 0.6]Fe[sub 0.4]Al thin films epitaxially grown on GaAs substrates (2007)

Yano, T., Uemura, T., Yamamoto, M.

The effect of a MgO interlayer on the structural and magnetic properties of Co2Cr0.6Fe0.4Al (CCFA) thin films epitaxially grown on GaAs substrates by sputtering was investigated. When the MgO...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

Spin-dependent tunneling characteristics of fully epitaxial magnetic tunneling junctions with a full-Heusler alloy Co[sub 2]MnSi thin film and a MgO tunnel barrier (2006)

Ishikawa, T., Marukame, T., Kijima, H., Uemura, T., Arita, M., ...

Fully epitaxial, exchange-biased magnetic tunnel junctions (MTJs) were fabricated with a Co-based full-Heusler alloy Co2MnSi (CMS) thin film as a lower electrode, a MgO tunnel barrier, and a Co50Fe50...

Highly Spin-Polarized Tunneling in Fully Epitaxial Magnetic Tunnel Junctions Using Full-Heusler Alloy Co2Cr0.6Fe0.4Al Thin Film and MgO Tunnel Barrier (2006)

Marukame, T., Ishikawa, T., Sekine, W., Matsuda, K., Uemura, T., Yamamoto, M.

Highly spin-polarized tunneling with tunnel magnetoresistance (TMR) ratios of 90% at room temperature and 240% at 4.2 K was demonstrated for fully epitaxial magnetic tunnel junctions fabricated using...

Epitaxial Growth of Full-Heusler Alloy Co2MnSi Thin Films on MgO-Buffered MgO Substrates (2006)

Kijima, H., Ishikawa, T., Marukame, T., Koyama, H., Matsuda, K., Uemura, T., ...

Full-Heusler alloy Co₂MnSi (CMS) thin films were epitaxially grown on MgO-buffered MgO substrates through magnetron sputtering. The films were deposited at room temperature and subsequently...

Exchange Bias Effect in Full-Heusler Alloy Co2Cr0.6Fe0.4Al Epitaxial Thin Films (2006)

Ishikawa, T., Marukame, T., Uemura, T., Yamamoto, M.

We fabricated trilayer structures consisting of a Co-based full-Heusler alloy Co2Cr0.6Fe0.4Al (CCFA) layer, a Ru ultrathin film, and a Co90Fe10 layer, and demonstrated well-established...

Epitaxial Growth of Full-Heusler Alloy Co₂MnSi Thin Films on MgO-Buffered MgO Substrates (2006)

Kijima, H., Ishikawa, T., Marukame, T., Koyama, H., Matsuda, K., Uemura, T., ...

Full-Heusler alloy Co₂MnSi (CMS) thin films were epitaxially grown on MgO-buffered MgO substrates through magnetron sputtering.

Exchange Bias Effect in Full-Heusler Alloy Co₂Cr0.6Fe0.4Al Epitaxial Thin Films (2006)

Ishikawa, T., Marukame, T., Uemura, T., Yamamoto, M.

We fabricated trilayer structures consisting of a Co-based full-Heusler alloy Co₂Cr0.6Fe0.4Al (CCFA) layer, a Ru ultrathin film, and a

Epitaxial Growth of Full-Heusler Alloy Co₂MnSi Thin Films on MgO-Buffered MgO Substrates (2006)

Kijima, H., Ishikawa, T., Marukame, T., Koyama, H., Matsuda, K., Uemura, T., ...

Full-Heusler alloy Co₂MnSi (CMS) thin films were epitaxially grown on MgO-buffered MgO substrates through magnetron sputtering.

Exchange Bias Effect in Full-Heusler Alloy Co₂Cr0.6Fe0.4Al Epitaxial Thin Films (2006)

Ishikawa, T., Marukame, T., Uemura, T., Yamamoto, M.

We fabricated trilayer structures consisting of a Co-based full-Heusler alloy Co₂Cr0.6Fe0.4Al (CCFA) layer, a Ru ultrathin film, and a

Proposal and analysis of a ferromagnetic triple-barrier resonant-tunneling spin filter (2003)

Uemura, T, Marukame, T, Yamamoto, M, 植村, 哲也

A novel spin filter consisting of a triple-barrier resonant tunneling system in the form F/I/N/I/F/I/F is proposed, where F, I, and N represent a ferromagnetic material, an insulator, and a...

Proposal and analysis of a ferromagnetic triple-barrier resonant-tunneling spin filter (2003)

Uemura, T, Marukame, T, Yamamoto, M

A novel spin filter consisting of a triple-barrier resonant tunneling system in the form F/I/N/I/F/I/F is proposed, where F, I, and N represent a ferromagnetic material, an insulator, and a...

Proposal and analysis of a ferromagnetic triple-barrier resonant-tunneling spin filter (2003)

Uemura, T, Marukame, T, Yamamoto, M

A novel spin filter consisting of a triple-barrier resonant tunneling system in the form F/I/N/I/F/I/F is proposed, where F, I, and N represent a ferromagnetic material, an insulator, and a...

Flamingo regulates R8 axon-axon and axon-target interactions in the Drosophila visual system. (2003)

Senti, K A, Usui, T, Boucke, K, Greber, U F, Uemura, T, Dickson, B J

Photoreceptors (R cells) in the Drosophila retina connect to targets in three distinct layers of the optic lobe of the brain: R1-R6 connect to the lamina, and R7 and R8 connect to distinct layers in...

A three-valued D-flip-flop and shift register using multiple-junction surface tunnel transistors (2002)

Uemura, T, Baba, T, 植村, 哲也

A three-valued D-flip-flop (D-FF) circuit and a two-stage shift register built from InGaAs-based multiple-junction surface tunnel transistors (MJSTT) and Si-based metal-oxide-semiconductor field...

A three-valued D-flip-flop and shift register using multiple-junction surface tunnel transistors (2002)

Uemura, T, Baba, T

A three-valued D-flip-flop (D-FF) circuit and a two-stage shift register built from InGaAs-based multiple-junction surface tunnel transistors (MJSTT) and Si-based metal-oxide-semiconductor field...

A three-valued D-flip-flop and shift register using multiple-junction surface tunnel transistors (2002)

Uemura, T, Baba, T

A three-valued D-flip-flop (D-FF) circuit and a two-stage shift register built from InGaAs-based multiple-junction surface tunnel transistors (MJSTT) and Si-based metal-oxide-semiconductor field...

Table 2. Nuclear abnormalities in top3 mutants (1999)

Goodwin, Adele, Wang, Shao-Win, Toda, Takashi, Norbury, Chris, Hickson, Ian D., Watt, P.M., ...

Topoisomerases catalyse changes in the topological state of DNA and are required for many aspects of DNA metabolism. While the functions of topoiso­merases I and II in eukaryotes are well...

A Novel Three-Dimensional PTV Algorithm Composed by Efficient Space and Timewise Particle Identification, (1992)

Uemura, T., Yamamoto, F., Iguchi, M.

A new efficient algorithm consisting of a stereo-pair matching and a particle-tracking is developed for three-dimensional particle tracking velocimetry. In the former procedure, three-dimensional...

Reynolds Shear Stress Measurements Using a 2-D LDV System in a Water Bath Agitated by Bubbles, (1992)

Iguchi, M., Morita, Z., Kondoh, T., Uemura, T., Yamamoto, F.

Measurements of mean velocity, turbulence intensity and Reynolds shear stress were made using a two-dimensional LDV system for a vertical bubbling jet in a cylindrical water bath subject to centric...

Theory and experiments on evaporating sessile drops of binary liquid mixtures (1989)

Guo, K. H., Uemura, T.

Theoretical and experimental studies are performed to determine the size, history and lifetime of evaporating sessile drops of binary liquid mixtures. The minimum and maximum drop lifetimes...

Purification and some properties of Aeromonas hydrophila hemolysin.

Asao, T, Kinoshita, Y, Kozaki, S, Uemura, T, Sakaguchi, G

A hemolysin produced by a strain of Aeromonas hydrophila isolated from a patient with diarrhea was purified by acid precipitation and quarternary aminoethyl-Sephadex chromatography. The molecular...

Production and characterization of monoclonal antibodies to Clostridium perfringens enterotoxin.

Horiguchi, Y, Uemura, T, Kamata, Y, Kozaki, S, Sakaguchi, G

Four hybridoma cell lines producing monoclonal antibodies to Clostridium perfringens enterotoxin were established by fusion of mouse myeloma and spleen cells obtained from mice immunized with the...

Purification and characterization of an Aeromonas hydrophila hemolysin.

Asao, T, Kozaki, S, Kato, K, Kinoshita, Y, Otsu, K, Uemura, T, ...

A hemolysin produced by Aeromonas hydrophila CA-11, isolated from an environmental source, was purified by sulfopropyl-Sephadex C-25 chromatography at pH 5.0. This hemolysin caused fluid accumulation...

Cloning and sequencing of Schizosaccharomyces pombe DNA topoisomerase I gene, and effect of gene disruption.

Uemura, T, Morino, K, Uzawa, S, Shiozaki, K, Yanagida, M

We cloned the structural gene topl+ for Schizosaccharomyces pombe DNA topoisomerase I (topo I) by hybridization. An eight-fold increase of topo I relaxing activity was obtained in S. pombe cells...

In Vitro Production of Clostridium perfringens Enterotoxin and Its Detection by Reversed Passive Hemagglutination

Uemura, T., Sakaguchi, G., Riemann, H. P.

The reversed passive hemagglutination (RPHA) test yielded a positive reaction in 2 h with as little as 0.5 ng of purified Clostridium perfringens enterotoxin (CPE) per ml as well as with cultures of...

Isolation of type I and II DNA topoisomerase mutants from fission yeast: single and double mutants show different phenotypes in cell growth and chromatin organization.

Uemura, T, Yanagida, M

We have isolated mutants defective in DNA topoisomerases and an endonuclease from the fission yeast Schizosaccharomyces pombe by screening individual extracts of mutagenized cells. Two type I...

The nucleotide sequence of the fission yeast DNA topoisomerase II gene: structural and functional relationships to other DNA topoisomerases.

Uemura, T, Morikawa, K, Yanagida, M

We have determined the complete nucleotide sequence of a 5.3-kb long genomic DNA fragment of the fission yeast Schizosaccharomyces pombe that encodes DNA topoisomerase II. It contains a 4293 bp long...

Purification and some properties of Aeromonas hydrophila hemolysin.

Asao, T, Kinoshita, Y, Kozaki, S, Uemura, T, Sakaguchi, G

A hemolysin produced by a strain of Aeromonas hydrophila isolated from a patient with diarrhea was purified by acid precipitation and quarternary aminoethyl-Sephadex chromatography. The molecular...

Production and characterization of monoclonal antibodies to Clostridium perfringens enterotoxin.

Horiguchi, Y, Uemura, T, Kamata, Y, Kozaki, S, Sakaguchi, G

Four hybridoma cell lines producing monoclonal antibodies to Clostridium perfringens enterotoxin were established by fusion of mouse myeloma and spleen cells obtained from mice immunized with the...

Purification and characterization of an Aeromonas hydrophila hemolysin.

Asao, T, Kozaki, S, Kato, K, Kinoshita, Y, Otsu, K, Uemura, T, ...

A hemolysin produced by Aeromonas hydrophila CA-11, isolated from an environmental source, was purified by sulfopropyl-Sephadex C-25 chromatography at pH 5.0. This hemolysin caused fluid accumulation...

Cloning and sequencing of Schizosaccharomyces pombe DNA topoisomerase I gene, and effect of gene disruption.

Uemura, T, Morino, K, Uzawa, S, Shiozaki, K, Yanagida, M

We cloned the structural gene topl+ for Schizosaccharomyces pombe DNA topoisomerase I (topo I) by hybridization. An eight-fold increase of topo I relaxing activity was obtained in S. pombe cells...

In Vitro Production of Clostridium perfringens Enterotoxin and Its Detection by Reversed Passive Hemagglutination

Uemura, T., Sakaguchi, G., Riemann, H. P.

The reversed passive hemagglutination (RPHA) test yielded a positive reaction in 2 h with as little as 0.5 ng of purified Clostridium perfringens enterotoxin (CPE) per ml as well as with cultures of...

Isolation of type I and II DNA topoisomerase mutants from fission yeast: single and double mutants show different phenotypes in cell growth and chromatin organization.

Uemura, T, Yanagida, M

We have isolated mutants defective in DNA topoisomerases and an endonuclease from the fission yeast Schizosaccharomyces pombe by screening individual extracts of mutagenized cells. Two type I...

The nucleotide sequence of the fission yeast DNA topoisomerase II gene: structural and functional relationships to other DNA topoisomerases.

Uemura, T, Morikawa, K, Yanagida, M

We have determined the complete nucleotide sequence of a 5.3-kb long genomic DNA fragment of the fission yeast Schizosaccharomyces pombe that encodes DNA topoisomerase II. It contains a 4293 bp long...

Patterning of cell assemblies regulated by adhesion receptors of the cadherin superfamily.

Takeichi, M, Nakagawa, S, Aono, S, Usui, T, Uemura, T

During morphogenesis, cell-cell association patterns are dynamically altered. We are interested in how cell adhesion molecules can regulate the patterning of cellular assemblies. Cadherins, a group...

A six year follow up study of the subclinical effects of carbon disulphide exposure on the cardiovascular system

Takebayashi, T, Nishiwaki, Y, Uemura, T, Nakashima, H, Nomiyama, T, Sakurai, H, ...

Aims: A six year prospective cohort study was conducted to clarify whether the current carbon disulphide (CS2) exposure level is low enough to prevent subclinical health impairment and/or to...

Six year observational cohort study of the effect of carbon disulphide on brain MRI in rayon manufacturing workers

Nishiwaki, Y, Takebayashi, T, O'Uchi, T, Nomiyama, T, Uemura, T, Sakurai, H, ...

Aims: To clarify whether the current occupational exposure limit (OEL) for carbon disulphide (CS2) is low enough to prevent the occurrence of adverse effects on the cerebrovascular system.

Cross sectional observation of the effects of carbon disulphide on arteriosclerosis in rayon manufacturing workers

Omae, K., Takebayashi, T., Nomiyama, T., Ishizuka, C., Nakashima, H., Uemura, T., ...

OBJECTIVE: A prospective cohort study was designed to clarify the relations between occupational exposure to carbon disulphide (CS2) and its effects on arteriosclerosis in workers in 11 Japanese...