Anomalous mode, elastic constants and phonon images in CaWO4 (2007)
Hayasaka, K., Higashi, R., Suda, J., Tanaka, Y., Tamura, S., Giltrow, M., ...
Stimulated by the “anomalous mode” observed in the time-of-flight measurement of phonon signals [J.K. Wigmore, A.G. Kozorezov, H. bin Rani, M. Giltrow, H. Kraus, B.M. Taele, Physica B 316–317...
Structure of the hot object in the symbiotic prototype Z And during its 2000-03 active phase (2006)
Skopal, A., Vittone, A., Errico, L., Otsuka, M., Tamura, S., Wolf, M., ...
Aims: To investigate structure of the hot object in the symbiotic prototype Z And during its major 2000-03 active phase. Methods: Analysis of the far ultraviolet, optical low- and high-resolution...
Tanaka, Y., Yoshida, F., Tamura, S., 田中, 之博
The quantization of lattice thermal conductance g normalized by g0=π2k2BT/3h (the universal quantum of thermal conductance) was recently predicted theoretically to take an integer value over a...
Tanaka, Y., Yoshida, F., Tamura, S.
The quantization of lattice thermal conductance g normalized by g0=π2k2BT/3h (the universal quantum of thermal conductance) was recently predicted theoretically to take an integer value over a...
An X-Band GaAs FET Oscillator Using a Dielectric Resonator, (2005)
Wakino,K., Nishikawa,T., Tamura,S., Tamura,H.
An X-band GaAs FET oscillator highly stabilized by a dielectric resonator was developed. The oscillator's frequency stability is less than + or - 1MHz (-40 deg C 85 deg C), and its size has been...
Tanaka, Y., Yoshida, F., Tamura, S.
The quantization of lattice thermal conductance g normalized by g0=π2k2BT/3h (the universal quantum of thermal conductance) was recently predicted theoretically to take an integer value over a...
Tamura, S., Sangu, A., Maris, H. J., 田村 信一朗
We calculate the anharmonic scattering rates of low-frequency longitudinal (L) acoustic phonons with thermally excited phonons via the Herring process L + ST→FT (with ST and FT the slow-transverse...
We calculate the anharmonic scattering rates of low-frequency longitudinal (L) acoustic phonons with thermally excited phonons via the Herring process L + ST→FT (with ST and FT the slow-transverse...
We calculate the anharmonic scattering rates of low-frequency longitudinal (L) acoustic phonons with thermally excited phonons via the Herring process L + ST→FT (with ST and FT the slow-transverse...
Watching Ripples on Crystals (2002)
Sugawara, Y., Wright, O. B., Matsuda, O., Takigahira, M., Tanaka, Y., Tamura, S., ...
We present a new method for imaging surface phonon focusing and dispersion at frequencies up to 1 GHz that makes use of ultrafast optical excitation and detection. Animations of coherent surface...
Watching Ripples on Crystals (2002)
Sugawara, Y., Wright, O. B., Matsuda, O., Takigahira, M., Tanaka, Y., Tamura, S., ...
We present a new method for imaging surface phonon focusing and dispersion at frequencies up to
Watching Ripples on Crystals (2002)
Sugawara, Y., Wright, O. B., Matsuda, O., Takigahira, M., Tanaka, Y., Tamura, S., ...
We present a new method for imaging surface phonon focusing and dispersion at frequencies up to
Nuclear transmutation doping of phosphorus into 6H-SiC (2000)
Tamura, S, Kimoto, T, Matsunami, H, Okada, M, Kanazawa, S, Kimura, I
Recent progress in SiC epitaxial growth and device processing technology (2000)
Kimoto, T, Yano, H, Tamura, S, Miyamoto, N, Fujihira, K, Negoro, Y, ...
Acoustic phonons in multiconstituent superlattices (1998)
Tamura, S., Wolfe, J. P., 田村, 信一朗
Acoustic phonons propagating parallel to the growth direction of a periodic superlattice composed of more than two different constituent layers are studied theoretically. We give general formulas for...
Acoustic phonons in multiconstituent superlattices (1998)
Acoustic phonons propagating parallel to the growth direction of a periodic superlattice composed of more than two different constituent layers are studied theoretically. We give general formulas for...
Acoustic phonons in multiconstituent superlattices (1998)
Acoustic phonons propagating parallel to the growth direction of a periodic superlattice composed of more than two different constituent layers are studied theoretically. We give general formulas for...
Imamura, A, Tamura, S, Shimozawa, N, Suzuki, Y, Zhang, Z, Tsukamoto, T, ...
Okumoto, K, Itoh, R, Shimozawa, N, Suzuki, Y, Tamura, S, Kondo, N, ...
Asteroseismological Observations of the Central Star of the Planetary Nebula NGC 1501 (1996)
Bond, H. E., Kawaler, S., Ciardullo, R., Stover, R., Kuroda, T., Ishida, T., ...
We report on a global CCD time-series photometric campaign to decode the pulsations of the nucleus of the planetary nebula NGC1501. The star is hot and hydrogen-deficient, similar to the...
Effects of liquid loading on surface acoustic waves in solids (1996)
Tamura, S., Vines, R. E., Wolfe, J. P., 田村, 信一朗
We study the effect of liquid loading on the characteristics of surface acoustic waves propagating along the (100) surface of silicon. A nonviscous liquid layer of infinite thickness in contact with...
Effects of liquid loading on surface acoustic waves in solids (1996)
Tamura, S., Vines, R. E., Wolfe, J. P.
We study the effect of liquid loading on the characteristics of surface acoustic waves propagating along the (100) surface of silicon. A nonviscous liquid layer of infinite thickness in contact with...
Effects of liquid loading on surface acoustic waves in solids (1996)
Tamura, S., Vines, R. E., Wolfe, J. P.
We study the effect of liquid loading on the characteristics of surface acoustic waves propagating along the (100) surface of silicon. A nonviscous liquid layer of infinite thickness in contact with...
Temperature dependence of phonon lifetimes in dielectric crystals (1995)
Tamura, S., Maris, H. J., 田村, 信一朗
We present calculations of the temperature dependence of the lifetime of phonons due to anharmonic interactions. The contributions to the lifetime arising from phonon decay and phonon-phonon...
Temperature dependence of phonon lifetimes in dielectric crystals (1995)
We present calculations of the temperature dependence of the lifetime of phonons due to anharmonic interactions. The contributions to the lifetime arising from phonon decay and phonon-phonon...
Temperature dependence of phonon lifetimes in dielectric crystals (1995)
We present calculations of the temperature dependence of the lifetime of phonons due to anharmonic interactions. The contributions to the lifetime arising from phonon decay and phonon-phonon...
Kobayashi, K., Mizuno, K., Hida, A., Komaki, R., Tomita, K., Matsushita, I., ...
The authors wish to correct an error in the sequence of one of the primers for the YRRMI locus. A letter A is missing from the Fl9 primer sequence, the correct sequence being: F19,...
Kobayashi, K, Mizuno, K, Hida, A, Komaki, R, Tomita, K, Matsushita, I, ...
Adjacency on Combinatorial Polyhedra (1993)
Tomomi Matsui, S. Tamura, Sunao Tamura
: This paper shows some useful properties of the adjacency structures of a class of combinatorial polyhedra including the equality constrained 0-1 polytopes. The class of polyhedra considered here...
Lattice dynamics and elastic phonon scattering in silicon (1991)
Tamura, S., Shields, J. A., Wolfe, J. P., 田村, 信一朗
We have examined the propagation of acoustic phonons in silicon on the basis of two lattice-dynamics models: a bond-charge model and an effective-force-constant model consisting of only short-range...
Lattice dynamics and elastic phonon scattering in silicon (1991)
Tamura, S., Shields, J. A., Wolfe, J. P.
We have examined the propagation of acoustic phonons in silicon on the basis of two lattice-dynamics models: a bond-charge model and an effective-force-constant model consisting of only short-range...
Lattice dynamics and elastic phonon scattering in silicon (1991)
Tamura, S., Shields, J. A., Wolfe, J. P.
We have examined the propagation of acoustic phonons in silicon on the basis of two lattice-dynamics models: a bond-charge model and an effective-force-constant model consisting of only short-range...
Transmission and frequency spectra of acoustic phonons in Thue-Morse superlattices (1989)
Tamura, S., Nori, Franco, 田村, 信一朗
We study the transmission and frequency spectra of phonons in aperiodic Thue-Morse superlattices. Calculations based on the transfer-matrix method predict rich structures of the transmission dips and...
Transmission and frequency spectra of acoustic phonons in Thue-Morse superlattices (1989)
We study the transmission and frequency spectra of phonons in aperiodic Thue-Morse superlattices. Calculations based on the transfer-matrix method predict rich structures of the transmission dips and...
Transmission and frequency spectra of acoustic phonons in Thue-Morse superlattices (1989)
We study the transmission and frequency spectra of phonons in aperiodic Thue-Morse superlattices. Calculations based on the transfer-matrix method predict rich structures of the transmission dips and...
Tamura, S., Kitagawa, H., 田村, 信一朗
Magneto-oscillations of thermal conductance observed recently by Eisenstein, Gossard, and Narayanamurti in GaAs/AlxGa1-xAs heterostructures at low temperatures are studied theoretically. We calculate...
Magneto-oscillations of thermal conductance observed recently by Eisenstein, Gossard, and Narayanamurti in GaAs/AlxGa1-xAs heterostructures at low temperatures are studied theoretically. We calculate...
Magneto-oscillations of thermal conductance observed recently by Eisenstein, Gossard, and Narayanamurti in GaAs/AlxGa1-xAs heterostructures at low temperatures are studied theoretically. We calculate...
Correlations in phonon-transmission spectra in periodic and quasiperiodic superlattices (1989)
Tamura, S., Watanabe, T., 田村, 信一朗
We study the origin of correlations in phonon-transmission spectra in Fibonacci and periodic superlattices (SL’s), which have recently been recognized by numerical calculations and then confirmed...
Correlations in phonon-transmission spectra in periodic and quasiperiodic superlattices (1989)
We study the origin of correlations in phonon-transmission spectra in Fibonacci and periodic superlattices (SL's), which have recently been recognized by numerical calculations and then confirmed by...
Correlations in phonon-transmission spectra in periodic and quasiperiodic superlattices (1989)
We study the origin of correlations in phonon-transmission spectra in Fibonacci and periodic superlattices (SL's), which have recently been recognized by numerical calculations and then confirmed by...
Coupled-mode stop bands of acoustic phonons in semiconductor superlattices (1987)
Tamura, S., Wolfe, J. P., 田村, 信一朗
Dispersion relations of acoustic phonons in the (001) GaAs/AlAs superlattice are calculated for arbitrary propagation directions using the continuum approximation with the elastic anisotropy...
Coupled-mode stop bands of acoustic phonons in semiconductor superlattices (1987)
Dispersion relations of acoustic phonons in the (001) GaAs/AlAs superlattice are calculated for arbitrary propagation directions using the continuum approximation with the elastic anisotropy...
Coupled-mode stop bands of acoustic phonons in semiconductor superlattices (1987)
Dispersion relations of acoustic phonons in the (001) GaAs/AlAs superlattice are calculated for arbitrary propagation directions using the continuum approximation with the elastic anisotropy...
Spontaneous decay of TA phonons (1985)
Tamura, S., Maris, H. J., 田村, 信一朗
Anharmonic decay of high-energy transverse acoustic (TA) phonons satisfying ħω≫kBT is studied taking account of the elastic anisotropy of real crystalline solids. Dispersive effects are assumed...
Spontaneous decay of TA phonons (1985)
Anharmonic decay of high-energy transverse acoustic (TA) phonons satisfying ħω≫kBT is studied taking account of the elastic anisotropy of real crystalline solids. Dispersive effects are assumed...
Spontaneous decay of TA phonons (1985)
Anharmonic decay of high-energy transverse acoustic (TA) phonons satisfying ħω≫kBT is studied taking account of the elastic anisotropy of real crystalline solids. Dispersive effects are assumed...
Focusing of high-frequency dispersive phonons (1982)
Focusing of near-zone-edge acoustic phonons in Ge is studied based on the dynamical matrix of lattice derived by Herman. We find that the focusing behaviors of transverse phonons in the dispersive...
Focusing of high-frequency dispersive phonons (1982)
Focusing of near-zone-edge acoustic phonons in Ge is studied based on the dynamical matrix of lattice derived by Herman. We find that the focusing behaviors of transverse phonons in the dispersive...
Focusing of high-frequency dispersive phonons (1982)
Focusing of near-zone-edge acoustic phonons in Ge is studied based on the dynamical matrix of lattice derived by Herman. We find that the focusing behaviors of transverse phonons in the dispersive...
Yanagishima, N., Shimizu, T., Hagiya, M., Yoshida, K., Sakurai, A., Tamura, S.
We found a substance which binds to α substance-I to inactivate the biological activity of the pheromone to induce sexual agglutinability of a mating type cells. Both living and boiled cells of the...
Yanagishima, N., Yoshida, K., Hamada, K., Hagiya, M., Kawanabe, Y., Sakurai, A., ...
The sexual agglutinability of haploid cells of heterothallic Saccharomyces cerevisiae was repressed when they were cultured in the absence of easily fermentable sugars, such as glucose and mannose....
Gastric DNA-binding proteins recognize upstream sequence motifs of parietal cell-specific genes.
Tamura, S, Wang, X H, Maeda, M, Futai, M
Polymerase chain reaction amplification of cDNA from pig gastric mucosa demonstrated the presence of zinc-finger proteins called GATA-GT1, GATA-GT2, and GATA-GT3, each having zinc-finger sequences...
Molecular cloning of rat type 2C (IA) protein phosphatase mRNA.
Tamura, S, Lynch, K R, Larner, J, Fox, J, Yasui, A, Kikuchi, K, ...
A full-length cDNA encoding rat type 2C (IA) protein phosphatase was isolated from a kidney cDNA library. The cDNA was identified by screening the library with oligonucleotides based on a partial...
Itoh, N, Hanafusa, T, Miyazaki, A, Miyagawa, J, Yamagata, K, Yamamoto, K, ...
We examined pancreas biopsy specimens from 18 newly diagnosed insulin-dependent diabetes mellitus (IDDM) patients to elucidate the mechanism underlying beta cell destruction. Pancreas islets were...
Miyagawa, J, Higashiyama, S, Kawata, S, Inui, Y, Tamura, S, Yamamoto, K, ...
Heparin-binding EGF-like growth factor (HB-EGF) is a potent chemoattractant and mitogen for smooth muscle cells (SMC) in culture. To elucidate whether HB-EGF is implicated in the pathogenesis of...
Structure and alternative promoters of the mouse glutamic acid decarboxylase 67 gene.
Yanagawa, Y, Kobayashi, T, Kamei, T, Ishii, K, Nishijima, M, Takaku, A, ...
gamma-Aminobutyric acid is synthesized by glutamic acid decarboxylase (GAD), which has two forms, GAD65 and GAD67. Genomic clones coding mouse GAD67 (mGAD67) have been isolated. The restriction map...
Mutational analysis of the domain structure of mouse protein phosphatase 2Cbeta.
Kusuda, K, Kobayashi, T, Ikeda, S, Ohnishi, M, Chida, N, Yanagawa, Y, ...
The structures of five distinct isoforms of mammalian protein phosphatase 2Cbeta (PP2Cbeta-1, -2, -3, -4 and -5) have previously been found to differ only at their C-terminal regions. In the present...
Protein phosphatase (PP) 2A1, a trimer composed of A-, B- and C-subunits in the PP2A family, has been regarded as a principal form localizing at microtubules (MT), but PP2A2, the dimer of A- and...
Tamura, S, Matsumoto, N, Imamura, A, Shimozawa, N, Suzuki, Y, Kondo, N, ...
The peroxisome biogenesis disorders (PBDs), including Zellweger syndrome (ZS), neonatal adrenoleucodystrophy (NALD) and infantile Refsum disease (IRD), are fatal autosomal recessive diseases caused...
Honsho, M, Tamura, S, Shimozawa, N, Suzuki, Y, Kondo, N, Fujiki, Y
Peroxisome-biogenesis disorders (PBDs), including Zellweger syndrome (ZS), are autosomal recessive diseases caused by a deficiency in peroxisome assembly as well as by a malfunction of peroxisomes,...
Gastric DNA-binding proteins recognize upstream sequence motifs of parietal cell-specific genes.
Tamura, S, Wang, X H, Maeda, M, Futai, M
Polymerase chain reaction amplification of cDNA from pig gastric mucosa demonstrated the presence of zinc-finger proteins called GATA-GT1, GATA-GT2, and GATA-GT3, each having zinc-finger sequences...
Molecular cloning of rat type 2C (IA) protein phosphatase mRNA.
Tamura, S, Lynch, K R, Larner, J, Fox, J, Yasui, A, Kikuchi, K, ...
A full-length cDNA encoding rat type 2C (IA) protein phosphatase was isolated from a kidney cDNA library. The cDNA was identified by screening the library with oligonucleotides based on a partial...
Itoh, N, Hanafusa, T, Miyazaki, A, Miyagawa, J, Yamagata, K, Yamamoto, K, ...
We examined pancreas biopsy specimens from 18 newly diagnosed insulin-dependent diabetes mellitus (IDDM) patients to elucidate the mechanism underlying beta cell destruction. Pancreas islets were...
Miyagawa, J, Higashiyama, S, Kawata, S, Inui, Y, Tamura, S, Yamamoto, K, ...
Heparin-binding EGF-like growth factor (HB-EGF) is a potent chemoattractant and mitogen for smooth muscle cells (SMC) in culture. To elucidate whether HB-EGF is implicated in the pathogenesis of...
Structure and alternative promoters of the mouse glutamic acid decarboxylase 67 gene.
Yanagawa, Y, Kobayashi, T, Kamei, T, Ishii, K, Nishijima, M, Takaku, A, ...
gamma-Aminobutyric acid is synthesized by glutamic acid decarboxylase (GAD), which has two forms, GAD65 and GAD67. Genomic clones coding mouse GAD67 (mGAD67) have been isolated. The restriction map...
Mutational analysis of the domain structure of mouse protein phosphatase 2Cbeta.
Kusuda, K, Kobayashi, T, Ikeda, S, Ohnishi, M, Chida, N, Yanagawa, Y, ...
The structures of five distinct isoforms of mammalian protein phosphatase 2Cbeta (PP2Cbeta-1, -2, -3, -4 and -5) have previously been found to differ only at their C-terminal regions. In the present...
Protein phosphatase (PP) 2A1, a trimer composed of A-, B- and C-subunits in the PP2A family, has been regarded as a principal form localizing at microtubules (MT), but PP2A2, the dimer of A- and...
Tamura, S, Matsumoto, N, Imamura, A, Shimozawa, N, Suzuki, Y, Kondo, N, ...
The peroxisome biogenesis disorders (PBDs), including Zellweger syndrome (ZS), neonatal adrenoleucodystrophy (NALD) and infantile Refsum disease (IRD), are fatal autosomal recessive diseases caused...
Honsho, M, Tamura, S, Shimozawa, N, Suzuki, Y, Kondo, N, Fujiki, Y
Peroxisome-biogenesis disorders (PBDs), including Zellweger syndrome (ZS), are autosomal recessive diseases caused by a deficiency in peroxisome assembly as well as by a malfunction of peroxisomes,...
Beta-catenin expression in human cancers.
Takayama, T., Shiozaki, H., Shibamoto, S., Oka, H., Kimura, Y., Tamura, S., ...
Cell-cell adhesion in tissue is mainly regulated by homotypic interaction of cadherin molecules, which are anchored to the cytoskeleton via cytoplasmic proteins, including alpha- and beta-catenin....
Augmentation effect of postprandial hyperinsulinaemia on growth of human hepatocellular carcinoma
Saito, K, Inoue, S, Saito, T, Kiso, S, Ito, N, Tamura, S, ...
Background: Cirrhotic patients with hepatocellular carcinoma (HCC) frequently have impaired glucose metabolism.
Naito, H., Arisawa, J., Harada, K., Yamagami, H., Kozuka, T., Tamura, S.
OBJECTIVE--Right ventricular regional contractility has been thought to be difficult to assess precisely. Cine magnetic resonance imaging with presaturation myocardial tagging was employed to...
Yamamoto, K, Kiyohara, T, Murayama, Y, Kihara, S, Okamoto, Y, Funahashi, T, ...
Background and aims: A characteristic feature of Crohn’s disease (CD) is mesenteric adipose tissue hypertrophy. Mesenteric adipocytes or specific proteins secreted by them may play a role in the...
Shiozaki, H., Kadowaki, T., Doki, Y., Inoue, M., Tamura, S., Oka, H., ...
Epidermal growth factor (EGF) mediates many pleiotrophic biological effects, one of which is alteration of cellular morphology. In the present study, we examine the possibility that this alteration...
Aberrant expression and phosphorylation of beta-catenin in human colorectal cancer.
Takayama, T., Shiozaki, H., Doki, Y., Oka, H., Inoue, M., Yamamoto, M., ...
The cytoplasmic domain of cadherins is known to associate with the intracellular proteins, catenins, which link cadherins to the actin-based cytoskeleton. In this study, we immunohistochemically...
Nagase, T., Kawata, S., Tamura, S., Matsuda, Y., Inui, Y., Yamasaki, E., ...
Recently, many inhibitors of farnesyl protein transferase (FPTase) have been identified. Some of them interrupt cell growth in addition to Ras and nuclear lamin processing of Ras-transformed cells....
Tumour inoculation site-dependent induction of cachexia in mice bearing colon 26 carcinoma
Matsumoto*, T, Fujimoto-Ouchi, K, Tamura, S, Tanaka, Y, Ishitsuka, H
Murine colon 26 carcinoma growing at either subcutaneous (s.c.) or intramuscular (i.m.) inoculation sites causes cachexia in mice. Such animals show extensive loss of body weight, wasting of the...
Kawata, S, Yamasaki, E, Nagase, T, Inui, Y, Ito, N, Matsuda, Y, ...
Chemotherapy is not effective for hepatocellular carcinoma (HCC). HMG-CoA redutase inhibitors have cytostatic activity for cancer cells, but their clinical usefulness is unknown. To investigate...
Clinical significance of CDC25A and CDC25B expression in squamous cell carcinomas of the oesophagus
Nishioka, K, Doki, Y, Shiozaki, H, Yamamoto, H, Tamura, S, Yasuda, T, ...
CDC25A, CDC25B and CDC25C belong to a family of protein phosphatases which activate the cyclin-dependent kinase at different points of the cell cycle. According to accumulating evidence, CDC25A and...