H. Tamura

Publication List Details

Period

1978 - 2008

Number

119

Co-Authors

The HypHI project: Hypernuclear spectroscopy with stable heavy ion beams and rare isotope beams at GSI and FAIR (2008)

Bianchin, S., Achenbach, P., Ajimura, S., Borodina, O., Fukuda, T., Hoffmann, J., ...

The HypHI collaboration aims to perform a precise hypernuclear spectroscopy with stable heavy ion beams and rare isotope beams at GSI and fAIR in order to study hypernuclei at extreme isospin,...

Different changes in resistance index between uterine artery and uterine radial artery during early pregnancy (2008)

Tamura, H., Miwa, I., Taniguchi, K., Maekawa, R., Asada, H., Taketani, T., ...

BACKGROUND Changes in blood flow impedance of the uterine artery (UA) and uterine radial artery (RA) which is in the lower-extremity of the UA were examined during early pregnancy. METHODS Blood...

Photoproduction of neutral kaons on the liquid deuterium target in the threshold region (2007)

Tsukada, K., Takahashi, T., Watanabe, T., Fujii, Y., Futatsukawa, K., Hashimoto, O., ...

The photoproduction process of neutral kaons on a liquid deuterium target is investigated near the threshold region, Egamma = 0.8-1.1 GeV. K0 events are reconstructed from positive and negative...

Weak Decay of Hypernuclei- Recent Results from Korea-Japan Collaboration research on Hypernuclear Physics at KEK- (2007)

H. Bhang, H. Park, J. H. Kim, Y. D. Kim, M. Youn, O. Hashimoto, ...

Through the last 7-8 years of collaboration with the SKS hypernuclear physics group at KEK, we have concentrated on the measurement of hypernuclear decays. Non-mesonic weak decay mode of hypernucleus...

EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH CERN--PPE/94-213 7 December 1994 (2007)

Phase And Density, E. Widmann, I. Sugai, T. Yamazaki, R. S. Hayano, M. Iwasaki, ...

Systematic studies of the phase and density dependence of the delayed annihilation time spectra of antiprotons (DATS) in gaseous, liquid and solid helium have been performed using the Low Energy...

Photo-production of neutral kaons on 12C in the threshold region (2006)

Watanabe, T., Bydžovský, P., Dobashi, K., Endo, S., Fujii, Y., Hashimoto, O., ...

Kaon photo-production process on $^{12}$C has been studied by measuring neutral kaons in a photon energy range of 0.8$-$1.1 GeV. Neutral kaons were identified by the invariant mass constructed from...

Non-local Control of the Kondo Effect in a Double Quantum Dot-Quantum Wire Coupled System (2006)

Sasaki, S., Kang, S., Kitagawa, K., Yamaguchi, M., Miyashita, S., Maruyama, T., ...

We have performed low-temperature transport measurements on a double quantum dot-quantum wire coupled device and demonstrated non-local control of the Kondo effect in one dot by manipulating the...

Coincidence Measurement of the Nonmesonic Weak Decay of ^{12}_{Lambda}C (2006)

Kim, M. J., Ajimura, S., Aoki, K., Banu, A., Bhang, H., Fukuda, T., ...

We have measured the angular correlation of the pair nucleons np and nn emitted from the nonmesonic weak decay (NMWD) of ^{12}_{Lambda}C produced via the (pi^+,K^+) reaction in coincidence...

CSM’06- i- Aug-23-2006, 23:34 Contents (2006)

T. Arai, K. Inoue, T. Takubo, S. Kunimatsu, H. Tamura

and dependability 1 A. Beulens, Y. Li, M. Kramer, J. van der Vorst, Possibilities for applying data mining for early warning in food supply networks 6

Large-scale Filamentary Structure around the Protocluster at Redshift z=3.1 (2005)

Matsuda, Y., Yamada, T., Hayashino, T., Tamura, H., Yamauchi, R., Murayama, T., ...

We report the discovery of a large-scale coherent filamentary structure of Lyman alpha emitters in a redshift space at z=3.1. We carried out spectroscopic observations to map the three dimensional...

A Random Point Field related to Bose-Einstein Condensation (2005)

Tamura, H., Ito, K. R.

The random point field which describes the position distribution of the system of ideal boson gas in a state of Bose-Einstein condensation is obtained through the thermodynamic limit. The resulting...

Exclusive proton asymmetry measurement in non-mesonic weak decay of polarized 5_Lambda_He (2005)

Maruta, T., Ajimura, S., Aoki, K., Banu, A., Bhang, H., Fukuda, T., ...

The asymmetry parameter alpha_p^NM for a proton exclusively emitted in the Lambda p -> np process was, for the first time, measured in the non-mesonic weak decay of a polarized 5_La,bda_He...

Exclusive Measurement of the Nonmesonic Weak Decay of ^{5}_{\Lambda}He Hypernucleus (2005)

Kang, B. H., Ajimura, S., Aoki, K., Banu, A., Bhang, H., Fukuda, T., ...

We performed a coincidence measurement of two nucleons emitted from the nonmesonic weak decay (NMWD) of ^{5}_{\Lambda}He formed via the ^{6}Li(\pi^+,K^+) reaction. The energies of two nucleons and...

Inclusive pion double charge exchange on O-16 above the delta resonance (2005)

Krutenkova, A. P., Watanabe, T., Abe, D., Fujii, Y., Hashimoto, O., Kulikov, V. V., ...

The forward inclusive pion double charge exchange reaction, ^{16}O(pi^-,pi^+)X, at T_0 = 0.50 and 0.75 GeV has been studied in the kinematical region where an additional pion production is forbidden...

A Canonical Ensemble Approach to the Fermion/Boson Random Point Processes and its Applications (2005)

Tamura, H., Ito, K. R.

We introduce the boson and the fermion point processes from the elementary quantum mechanical point of view. That is, we consider quantum statistical mechanics of canonical ensemble for a fixed...

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...

Bi2212 HTS tubular bulk with a conical shape for current lead use. (2005)

Tamura, H., Mito, T., Yamada, Y., Watanabe, M., Ohkubo, J., Tachikawa, K., ...

7th European Conf.on Applied Superconductivity (EUCAS 2005), Wien, A, September 11-15, 2005

Gamma-Ray Spectroscopy in Lambda Hypernuclei (2004)

Tamura, H.

The present status of hypernuclear gamma-ray spectroscopy with Hyperball is summarized. We observed two gamma transitions of 16-Lambda-O(1- -> 1-,0-) and obtained the strength of the Lambda-N tensor...

Nucleon-nucleon coincidence measurement in the non-mesonic weak decay of 5_Lambda-He and 12_Lambda-C hypernuclei (2004)

Okada, S., Ajimura, S., Aoki, K., Banu, A., Bhang, H. C., Fukuda, T., ...

We have measured both yields of neutron-proton and neutron-neutron pairs emitted from the non-mesonic weak decay process of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the (pi^+,K^+)...

The Subaru Deep Field: The Optical Imaging Data (2004)

Kashikawa, N., Shimasaku, K., Yasuda, N., Ajiki, M., Akiyama, M., Ando, H., ...

The Subaru Deep Field (SDF) project is a program of Subaru Observatory to carry out a deep galaxy survey over a blank field as large as 34'x27'. The program consists of very deep multi-band optical...

A Strong Lyman-alpha Emitter at z=6.33 in the Subaru Deep Field Selected as an i' Dropout (2004)

Nagao, T., Taniguchi, Y., Kashikawa, N., Kodaira, K., Kaifu, N., Ando, H., ...

We report on the discovery of a star-forming galaxy at z=6.33 in the Subaru Deep Field. This object is selected as a candidate of an i'-dropout, high-redshift galaxy around z=6 because of its red...

Neutron and proton energy spectra from the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C (2004)

Okada, S., Ajimura, S., Aoki, K., Banu, A., Bhang, H. C., Fukuda, T., ...

We have simultaneously measured the energy spectra of neutrons and protons emitted in the non-mesonic weak decays of 5_Lambda-He and 12_Lambda-C hypernuclei produced via the (pi^+,k^+) reaction with...

Study of the Sigma-nucleus potential by the (pi^-,K^+) reaction on medium-to-heavy nuclear targets (2004)

Saha, P. K., Noumi, H., Abe, D., Ajimura, S., Aoki, K., Bhang, H. C., ...

In order to study the Sigma-nucleus optical potential, we measured inclusive (pi^-,K^+) spectra on medium-to-heavy nuclear targets: CH_2, Si, Ni, In and Bi. The CH_2 target was used to calibrate the...

Photoluminescence measurements in Be-delta-doped back-gate induced quantum well (2004)

Yamaguchi, M., Nomura, S., Sato, D., Akazaki, T., Tamura, H., Takayanagi, H.

The photoluminescence (PL) spectra of a two-dimensional electron system induced in a Be-delta-doped GaAs/AlGaAs quantum well (QW) with a back gate are measured. The electron density is controlled...

A Subaru Search for Ly-alpha Blobs in and around the Proto-cluster Region at Redshift z=3.1 (2004)

Matsuda, Y., Yamada, T., Hayashino, T., Tamura, H., Yamauchi, R., Ajiki, M., ...

We report the properties of the 35 robust candidates of Ly-alpha blobs (LABs), which are larger than 16 arcsec^2 in isophotal area and brighter than 0.7 x 10^-16 ergs s^-1 cm^-2, searched in and...

Tunable Exchange Interaction in Quantum Dot Devices (2004)

Tamura, H., Shiraishi, K., Takayanagi, H.

We theoretically discuss the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between semiconductor quantum dots (QDs). When each QD having a local spin is coupled to the conduction electrons in...

Large Cosmic Variance in the Clustering Properties of Lyman Alpha Emitters at z~5 (2004)

Shimasaku, K., Hayashino, T., Matsuda, Y., Ouchi, M., Ohta, K., Okamura, S., ...

We reported in a previous paper the discovery of large-scale structure of Lyman Alpha emitters (LAEs) at z=4.86+-0.03 with a projected size of 20 Mpc x 50 Mpc in narrow-band data of a 25' x 45' area...

Measurement of the $\pi^-$ decay width of $^5_\Lambda$He (2004)

Kameoka, S., Ajimura, S., Aoki, K., Banu, A., Bhang, H. C., Fukuda, T., ...

We have precisely measured $\Lambda \to p\pi^-$ decay width of \5LHe and demonstrated significantly larger $\alpha$ -$\Lambda$ overlap than expected from the central repulsion $\alpha$-$\Lambda$...

pi^0 decay branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei (2004)

Okada, S., Ajimura, S., Aoki, K., Banu, A., Bhang, H. C., Fukuda, T., ...

We precisely measured pi^0 branching ratios of 5_Lambda-He and 12_Lambda-C hypernuclei produced via (pi^+,k^+) reaction. Using these pi^0 branching ratios with the pi^- branching ratios and the...

Proton asymmetry in non-mesonic weak decay of light hypernuclei (2004)

Maruta, T., Ajimura, S., Aoki, K., Banu, A., Bhang, H., Fukuda, T., ...

We have obtained the decay asymmetry parameters in non-mesonic weak decay of polarized Lambda-hypernuclei by measuring the proton asymmetry. The polarized Lambda-hypernuclei, 5_Lambda-He,...

Design study of HTS current lead using reinforced Bi-2212 tubular bulk. (2004)

Tamura, H., Mito, T., Yamada, Y., Tachikawa, K., Heller, R.

18th Internat.Conf.on Magnet Technology (MT-18), Morioka, J, October 20-24, 2003

Subaru Deep Survey. IV. Discovery of a Large-Scale Structure at Redshift \simeq 5 (2003)

Shimasaku, K., Ouchi, M., Okamura, S., Kashikawa, N., Doi, M., Furusawa, H., ...

We report the discovery of a large-scale structure of Lyman alpha emitters (LAEs) at z=4.86 based on wide-field imaging with the prime-focus camera (Suprime-Cam) on the Subaru telescope. We observed...

Subaru Deep Survey II. Luminosity Functions and Clustering Properties of Lya Emitters at z=4.86 in the Subaru Deep Field (2002)

Ouchi, M., Shimasaku, K., Furusawa, H., Miyazaki, M., Doi, M., Hamabe, M., ...

We report on early results from deep and wide-field narrow-band imaging on a 543 arcmin^2 area of the Subaru Deep Field. We find 87 Lya emitters (LAEs) at z=4.86(+/-0.03) which are photometrically...

Injection and Mixing Processes in High-Pressure Liquid Oxygen/Gaseous Hydrogen Rocket Combustors (2000)

Mayer, W., Schik, A., Schäffler, M., Tamura, H.

The injection, mixing combustion processes in a liquid oxygen (LOX)/gaseous hydrogen (GH2) rocket engine combustor at high chamber pressures (10 MPa) are studied and modeled. An experimental LOX/GH2...

Representations of O(N) spin models by self-avoiding random walks (1997)

Ito, K. R., Kugo, T., Tamura, H.

We establish that correlation functions of classical lattice spin models can be represented by series expansions in terms of self-avoiding random walks. Using this, we get new upper bounds of...

High-Precision Structural Studies of the Antiproton Helium Atom $\overline{p}^{4}He^+$ by Observing Laser Resonances with $\Delta v = \Delta (n-l-1) = 2$ (1996)

Yamazaki, T, Widmann, E, Eades, John, Kumakura, M, Morita, N, Torii, H A, ...

Very weak laser resonances of unfavoured transitions $(n,l) \rightarrow (n+1,l-1)$ have been observed in metastable \={p}$^4$He$^+$ atoms by using a pulsed antiproton beam. The observed wavelengths...

High-Precision Structural Studies of the Antiproton Helium Atom $\overline{p}^{4}He^+$ by Observing Laser Resonances with $\Delta v = \Delta (n-l-1) = 2$ (1996)

Yamazaki, T, Widmann, E, Eades, John, Kumakura, M, Morita, N, Torii, H A, ...

Very weak laser resonances of unfavoured transitions $(n,l) \rightarrow (n+1,l-1)$ have been observed in metastable \={p}$^4$He$^+$ atoms by using a pulsed antiproton beam. The observed wavelengths...

Observation of double resonant laser induced transitions in the $v = n - l - 1 = 2$ metastable cascade of antiprotonic helium-4 atoms (1996)

Hayano, R S, Ishikawa, T, Tamura, H, Torii, H A, Hori, Masaki, Maas, F E, ...

A new laser-induced resonant transition in the $v=n-l-1=2$ metastable cascade of antiprotonic $^4$He atoms has been found by using a double resonance technique. This was done by setting the first...

Changes in activity of superoxide dismutase in the human endometrium throughout the menstrual cycle and in early pregnancy (1996)

Sugino, N., Shimamura, K., Takiguchi, S., Tamura, H., Ono, M., Nakata, M., ...

To investigate the possible role of the superoxide radical and its scavenging system in the human endometrium, the immunohistochemical distribution of superoxide dismutase (SOD), activities of SOD...

Ovary and ovulation: Nitric oxide concentrations in the follicular fluid and apoptosis of granulosa cells in human follicles (1996)

Sugino, N., Takiguchi, S., Ono, M., Tamura, H., Shimamura, K., Nakamura, Y., ...

To study the relationship between follicular atresia, apoptosis, and nitric oxide (NO) generation in follicular development, steroidogenesis, NO levels in follicular fluid and apoptosis were analysed...

Effects of impurity atoms and molecules on the lifetime of antiprotonic helium atoms (1995)

Widmann, E, Sugai, I, Yamazaki, T, Hayano, R S, Iwasaki, M, Nakamura, S N, ...

Delayed annihilation time spectra of antiprotons (DATS) in room temperature helium gas have been studied as a function of the concentration of admixed noble gases (Ne, Ar, Kr, Xe) as well as...

Isotope Effects on Delayed Annihilation Time Spectra of Antiprotonic Helium Atoms in Low-Temperature Gas (1995)

Ketzer, B, Hartmann, F J, Daniel, H, Von Egidy, T, Niestroj, A, Schmid, S, ...

The delayed annihilation time spectra (DATS) of antiprotonic helium atoms have been studied in isotopically pure low temperature ^3He and ^4He gas at various densities. The DATS taken at 5.8~K and...

Anisotropy of Electrical Resistivity in High-Purity Aluminium Single Crystals (1995)

Ueda, Y., Hashimoto, E., Tamura, H., Kino, T.

The current direction dependence of electrical resistivity was measured at temperatures between 4.2 and 80 K in single crystals of high-purity aluminium (RRR ≈ 50 000) with a common {110}...

Anisotropy of Electrical Resistivity in High-Purity Aluminium Single Crystals (1995)

Ueda, Y., Hashimoto, E., Tamura, H., Kino, T.

The current direction dependence of electrical resistivity was measured at temperatures between 4.2 and 80 K in single crystals of high-purity aluminium (RRR ≈ 50 000) with a common {110}...

Anisotropy of Electrical Resistivity in High-Purity Aluminium Single Crystals (1995)

Ueda, Y., Hashimoto, E., Tamura, H., Kino, T.

The current direction dependence of electrical resistivity was measured at temperatures between 4.2 and 80 K in single crystals of high-purity aluminium (RRR ≈ 50 000) with a common {110}...

Estimation of rare errors using expert judgement (1988)

TAMURA, H.

Cox & Snell (1979) investigate inference about the total population error when most observations are zero. Their approach is parametric and assumes that errors are positive. Empirical evidence...

STEADY AND EXPLOSION MODES IN ELECTRON EMISSION FROM LIQUID METAL SOURCE (1987)

Hata, K., Nishigaki, S., Inoue, M., Noda, T., Tamura, H.

With a liquid metal electron source, we showed a possibility of steady field emission (SFE) at 33th IFES. In comparison with a pulsed explosive emission (EE) observed by Swanson and Schwind, it is...

STEADY AND EXPLOSION MODES IN ELECTRON EMISSION FROM LIQUID METAL SOURCE (1987)

Hata, K., Nishigaki, S., Inoue, M., Noda, T., Tamura, H.

With a liquid metal electron source, we showed a possibility of steady field emission (SFE) at 33th IFES. In comparison with a pulsed explosive emission (EE) observed by Swanson and Schwind, it is...

STEADY AND EXPLOSION MODES IN ELECTRON EMISSION FROM LIQUID METAL SOURCE (1987)

Hata, K., Nishigaki, S., Inoue, M., Noda, T., Tamura, H.

With a liquid metal electron source, we showed a possibility of steady field emission (SFE) at 33th IFES. In comparison with a pulsed explosive emission (EE) observed by Swanson and Schwind, it is...

DEVELOPMENT OF BORON AND PHOSPHORUS LIQUID-METAL-ION SOURCES (1984)

Ishitani, T., Umemura, K., Kawanami, Y., Tamura, H.

Boron (B) and phosphorus (P) liquid-metal-ion (LMI) sources have been developed for maskless implantation in silicon. The B-LMI source, which employs a carbon or carbide emitter and a Ni-B base alloy...

DEVELOPMENT OF BORON AND PHOSPHORUS LIQUID-METAL-ION SOURCES (1984)

Ishitani, T., Umemura, K., Kawanami, Y., Tamura, H.

Boron (B) and phosphorus (P) liquid-metal-ion (LMI) sources have been developed for maskless implantation in silicon. The B-LMI source, which employs a carbon or carbide emitter and a Ni-B base alloy...

DEVELOPMENT OF BORON AND PHOSPHORUS LIQUID-METAL-ION SOURCES (1984)

Ishitani, T., Umemura, K., Kawanami, Y., Tamura, H.

Boron (B) and phosphorus (P) liquid-metal-ion (LMI) sources have been developed for maskless implantation in silicon. The B-LMI source, which employs a carbon or carbide emitter and a Ni-B base alloy...

A novel component different from endotoxin extracted from Prevotella intermedia ATCC 25611 activates lymphoid cells from C3H/HeJ mice and gingival fibroblasts from humans.

Iki, K, Kawahara, K, Sawamura, S, Arakaki, R, Sakuta, T, Sugiyama, A, ...

A novel immunobiologically active fraction was prepared from a phenol-water extract of Prevotella intermedia ATCC 25611 by Sephadex G-100 column chromatography. The fraction consisted mainly of...

Endotoxin-inactivating activity in normal and pathological human blood samples.

Obayashi, T, Tamura, H, Tanaka, S, Ohki, M, Takahashi, S, Kawai, T

The endotoxin-specific chromogenic test revealed that plasma endotoxin-inactivating activity was markedly diminished by endotoxemia, but not by fungemia or by dialysis with cellulose membranes,...

Clearance of endotoxin from blood of rabbits injected with staphylococcal toxic shock syndrome toxin-1.

Fujiwaka, H, Igarashi, H, Usami, H, Tanaka, S, Tamura, H

This study was undertaken to examine some of the properties of staphylococcal toxic shock syndrome toxin 1 (TSST-1) with regard to the clearance of endotoxin from blood. The concentration of...

Molecular cloning of a cDNA of a camptothecin-resistant human DNA topoisomerase I and identification of mutation sites.

Tamura, H, Kohchi, C, Yamada, R, Ikeda, T, Koiwai, O, Patterson, E, ...

Camptothecin (CPT), a plant alkaloid with antitumor activity, is a specific inhibitor of eukaryotic DNA topoisomerase I. We have previously isolated and characterized a CPT-resistant topoisomerase I...

Zonal distribution of sulfotransferase for phenol in olfactory sustentacular cells.

Miyawaki, A, Homma, H, Tamura, H, Matsui, M, Mikoshiba, K

We have immunolocalized phenol sulfotransferase (PST)G, an isoform of PST in sustentacular cells which reside in the dorso-medial portion of the nasal cavity of the mouse. The same topographical...

Liddle disease caused by a missense mutation of beta subunit of the epithelial sodium channel gene.

Tamura, H, Schild, L, Enomoto, N, Matsui, N, Marumo, F, Rossier, B C

Mutations in beta or gamma subunit of the epithelial sodium channel (ENaC) have been found to cause a hereditary form of human hypertension, Liddle syndrome. Most of the mutations reported are either...

Linear programming models for cost reimbursement.

Diehr, G, Tamura, H

Tamura, Lauer, and Sanborn (1985) reported a multiple regression approach to the problem of determining a cost reimbursement (rate-setting) formula for facilities providing long-term care (nursing...

Estimating "reasonable cost" of Medicaid patient care using a patient-mix index.

Tamura, H, Lauer, L W, Sanborn, F A

A multiple regression method of defining "reasonable cost" for Medicaid reimbursement of nursing home patient care was implemented in Washington State in July 1978. A patient-mix index, the Katz ADL...

Mutation in aspartic acid residues modifies catalytic and haemolytic activities of Bacillus cereus sphingomyelinase.

Tamura, H, Tameishi, K, Yamada, A, Tomita, M, Matsuo, Y, Nishikawa, K, ...

Four aspartic acid residues (Asp126, Asp156, Asp233 and Asp295) of Bacillus cereus sphingomyelinase (SMase) in the conservative regions were changed to glycine by in vitro mutagenesis, and the mutant...

Mechanisms underlying orientation selectivity of neurons in the primary visual cortex of the macaque.

Sato, H, Katsuyama, N, Tamura, H, Hata, Y, Tsumoto, T

1. Effects of blocking intracortical inhibition by microiontophoretic administration of bicuculline methiodide (BMI), a selective antagonist for GABAA receptors, on orientation selectivity of 109...

Horizontal interactions between visual cortical neurones studied by cross-correlation analysis in the cat.

Hata, Y, Tsumoto, T, Sato, H, Tamura, H

1. To explore the functional significance of horizontal neural connections in the extent of a 'hypercolumn' of the cat visual cortex, we carried out cross-correlation analysis of spike trains...

A novel component different from endotoxin extracted from Prevotella intermedia ATCC 25611 activates lymphoid cells from C3H/HeJ mice and gingival fibroblasts from humans.

Iki, K, Kawahara, K, Sawamura, S, Arakaki, R, Sakuta, T, Sugiyama, A, ...

A novel immunobiologically active fraction was prepared from a phenol-water extract of Prevotella intermedia ATCC 25611 by Sephadex G-100 column chromatography. The fraction consisted mainly of...

Endotoxin-inactivating activity in normal and pathological human blood samples.

Obayashi, T, Tamura, H, Tanaka, S, Ohki, M, Takahashi, S, Kawai, T

The endotoxin-specific chromogenic test revealed that plasma endotoxin-inactivating activity was markedly diminished by endotoxemia, but not by fungemia or by dialysis with cellulose membranes,...

Clearance of endotoxin from blood of rabbits injected with staphylococcal toxic shock syndrome toxin-1.

Fujiwaka, H, Igarashi, H, Usami, H, Tanaka, S, Tamura, H

This study was undertaken to examine some of the properties of staphylococcal toxic shock syndrome toxin 1 (TSST-1) with regard to the clearance of endotoxin from blood. The concentration of...

Molecular cloning of a cDNA of a camptothecin-resistant human DNA topoisomerase I and identification of mutation sites.

Tamura, H, Kohchi, C, Yamada, R, Ikeda, T, Koiwai, O, Patterson, E, ...

Camptothecin (CPT), a plant alkaloid with antitumor activity, is a specific inhibitor of eukaryotic DNA topoisomerase I. We have previously isolated and characterized a CPT-resistant topoisomerase I...

Zonal distribution of sulfotransferase for phenol in olfactory sustentacular cells.

Miyawaki, A, Homma, H, Tamura, H, Matsui, M, Mikoshiba, K

We have immunolocalized phenol sulfotransferase (PST)G, an isoform of PST in sustentacular cells which reside in the dorso-medial portion of the nasal cavity of the mouse. The same topographical...

Liddle disease caused by a missense mutation of beta subunit of the epithelial sodium channel gene.

Tamura, H, Schild, L, Enomoto, N, Matsui, N, Marumo, F, Rossier, B C

Mutations in beta or gamma subunit of the epithelial sodium channel (ENaC) have been found to cause a hereditary form of human hypertension, Liddle syndrome. Most of the mutations reported are either...

Linear programming models for cost reimbursement.

Diehr, G, Tamura, H

Tamura, Lauer, and Sanborn (1985) reported a multiple regression approach to the problem of determining a cost reimbursement (rate-setting) formula for facilities providing long-term care (nursing...

Estimating "reasonable cost" of Medicaid patient care using a patient-mix index.

Tamura, H, Lauer, L W, Sanborn, F A

A multiple regression method of defining "reasonable cost" for Medicaid reimbursement of nursing home patient care was implemented in Washington State in July 1978. A patient-mix index, the Katz ADL...

Mutation in aspartic acid residues modifies catalytic and haemolytic activities of Bacillus cereus sphingomyelinase.

Tamura, H, Tameishi, K, Yamada, A, Tomita, M, Matsuo, Y, Nishikawa, K, ...

Four aspartic acid residues (Asp126, Asp156, Asp233 and Asp295) of Bacillus cereus sphingomyelinase (SMase) in the conservative regions were changed to glycine by in vitro mutagenesis, and the mutant...

Mechanisms underlying orientation selectivity of neurons in the primary visual cortex of the macaque.

Sato, H, Katsuyama, N, Tamura, H, Hata, Y, Tsumoto, T

1. Effects of blocking intracortical inhibition by microiontophoretic administration of bicuculline methiodide (BMI), a selective antagonist for GABAA receptors, on orientation selectivity of 109...

Horizontal interactions between visual cortical neurones studied by cross-correlation analysis in the cat.

Hata, Y, Tsumoto, T, Sato, H, Tamura, H

1. To explore the functional significance of horizontal neural connections in the extent of a 'hypercolumn' of the cat visual cortex, we carried out cross-correlation analysis of spike trains...

Proliferation of an athymic mouse-derived T-cell clone on thymic stromal cells with interleukin-2.

Tamura, H, Kuzuhara, H, Hiramine, C, Hojo, K, Yamamoto, H, Fujimoto, S

An athymic mouse-derived CD4+8+ T-cell clone, N-9F, was established. It expresses both full length gamma and delta T-cell receptor (TcR) mRNA. N-9F clone was not maintained by interleukin-2 (IL-2)...

The effects of aromatic amino acid derivatives on the excitability of an identifiable giant neurone of the African giant snail (Achatina fulica Férussac).

Takeuchi, H., Tamura, H.

1 The effects of derivatives of aromatic amino acids on the excitability of an identifiable giant neurone (TAN, tonically autoactive neurone) of the African giant snail (Achatina fulica Férussac)...

A distant evolutionary relationship between bacterial sphingomyelinase and mammalian DNase I.

Matsuo, Y., Yamada, A., Tsukamoto, K., Tamura, H., Ikezawa, H., Nakamura, H., ...

The three-dimensional structure of bacterial sphingomyelinase (SMase) was predicted using a protein fold recognition method; the search of a library of known structures showed that the SMase sequence...

In vivo evaluation of ocular inflammatory responses in experimental diabetes

Tamura, H, Kiryu, J, Miyamoto, K, Nishijima, K, Katsuta, H, Miyahara, S, ...

Aims: Diabetic patients may have abnormal inflammatory reactions to foreign or endogenous stimuli. This study was designed to evaluate inflammatory reactions in the diabetic eye through retinal...

Relative Susceptibility of Four Pine Species to Infection by Pinewood Nematode

Linit, M. J., Tamura, H.

Mature trees of eastern white, jack, Scotch, and shortleaf pines were inoculated with 25,000-34,000 pinewood nematodes, Bursaphelenchus xylophilus, isolated from infected Scotch pines in Missouri....

Pulmonary toxicity after granulocyte colony-stimulating factor-combined chemotherapy for non-Hodgkin's lymphoma.

Yokose, N., Ogata, K., Tamura, H., An, E., Nakamura, K., Kamikubo, K., ...

Sporadic cases have developed pulmonary toxicity after receiving chemotherapy and granulocyte colony-stimulating factor (G-CSF). However, because such cases received chemotherapy that alone...