S. Yamamoto

Publication List Details

Period

1952 - 2009

Number

131

Co-Authors

Fabrication and characterization of pseudo-spin-MOSFET (2009)

Shuto, Y., Nakane, R., Sukegawa, H., Yamamoto, S., Tanaka, M., Inomata, K., ...

Recently spin-transistors receive considerable attention as a highly-functional building block of future integrated circuits. In order to realize spin-transistors, it is essential that technology of...

Expected Performance of the ATLAS Experiment - Detector, Trigger and Physics (2008)

Abat, E., Abbott, B., Abdallah, J., Abdelalim, A. A., Abdesselam, A., ...

A detailed study is presented of the expected performance of the ATLAS detector. The reconstruction of tracks, leptons, photons, missing energy and jets is investigated, together with the performance...

GW approximation with LSDA+U method and applications to NiO, MnO, and V$_2$O$_3$ (2008)

Kobayashi, S., Nohara, Y., Yamamoto, S., Fujiwara, T.

A GW approximation (GWA) method named U+GWA is proposed, where we can start GWA with more localized wave functions obtained by the local spin-density approximation (LSDA)+U method. Then GWA and U+GWA...

Solar neutrino measurements in Super-Kamiokande-II (2008)

Cravens, J. P., Abe, K., Iida, T., Ishihara, K., Kameda, J., Koshio, Y., ...

The results of the second phase of the Super-Kamiokande solar neutrino measurement are presented and compared to the first phase. The solar neutrino flux spectrum and time variation as well as...

Charge Behavior in Palm Fatty Acid Ester Oil (PFAE) / Pressboard Insulation System under Flow Condition in Power Transformers (2008)

Okubo, H., Yamamoto, S., Nara, T., Kato, K., Endo, F., Yamazaki, A., ...

From viewpoints of low environment impact, Palm Fatty Acid Ester oil (PFAE) is potent insulating liquid for power transformers because of its high biodegradation performance. Moreover, PFAE has high...

Femtosecond pump–probe studies of phonons and carriers in bismuth under high pressure (2006)

Kasami, M, Ogino, T, Mishina, T, Yamamoto, S, Nakahara, J, 中原, 純一郎

We investigate the high-pressure phase of Bi under hydrostatic pressure using pump-probe spectroscopy at pressures up to 3.0 GPa, and we observe coherent phonons signal and relaxation signal of...

Chemical Compositions and Salinity Development in Paddy Soil as Affected by Irrigation Intervals of Mixed Water under Saline Soil (2006)

B. Zayed, T. Honna, S. Yamamoto

The northern Nile Delta, in Egypt, is an area with extensive saline soils with high ESP and EC. It was necessary to study the behavior of soil chemical compositions and soil salinity development...

Limits on the neutrino magnetic moment using 1496 days of Super-Kamiokande-I solar neutrino data (2004)

Ashie, Y, Fukuda, S, Fukuda, Y, Ishihara, K, Itow, Y, ...

A search for a nonzero neutrino magnetic moment has been conducted using 1496 live days of solar neutrino data from Super-Kamiokande-I. Specifically, we searched for distortions to the energy...

The role of intuition in geometry education: learning from the teaching practice in the early 20th century (2004)

Fujita, T., Jones, K., Yamamoto, S.

Intuition is often regarded as essential in the learning of geometry, but questions remain about how we might effectively develop students’ such skills. This paper provides some results from...

Review on the progress of the LHD experiment (2004)

Motojima, O., Yamada, H., Komori, A., Watanabe, K. Y., Mutoh, T., Takeiri, Y., ...

Recent progress in the Large Helical Device (LHD) experiment during the last 2 yr is reviewed. The LHD has been extending its operational regime toward fusion-relevant conditions while taking...

Expression level of valosin-containing protein (VCP) as a prognostic marker for gingival squamous cell carcinoma (2004)

Yamamoto, S., Tomita, Y., Hoshida, Y., Toyosawa, S., Inohara, H., Kishino, M., ...

Background: Valosin-containing protein (VCP) is associated with anti-apoptotic function and metastasis via activation of the nuclear factor-κB signaling pathway. In the present study, association of...

Indications of neutrino oscillation in a 250 km long-baseline experiment (2003)

Aoki, S, Bhang, H, Casper, D, Choi, J H, ...

The K2K experiment observes indications of neutrino oscillation: a reduction of nu(mu) flux together with a distortion of the energy spectrum. Fifty-six beam neutrino events are observed in...

A demonstration of magnetic field optimization in LHD (2003)

Murakami, S., Yamada, H., Wakasa, A., Sasao, M., Isobe, M., Ozaki, T., ...

The behaviors of trapped particles in helical ripples are complicated and would enhance the radial transport of energetic particles and thermal plasma (neoclassical transport) in heliotrons. Thus the...

Impact of heat deposition profile on global confinement of NBI heated plasmas in the LHD (2003)

Yamada, H., Murakami, S., Yamazaki, K., Kaneko, O., Miyazawa, J., Sakamoto, R., ...

Energy confinement and heat transport of net-current-free NBI heated plasmas in the large helical device (LHD) are discussed with emphasis on density and power deposition profile dependences....

Recent advances in the LHD experiment (2003)

Motojima, O., Ohyabu, N., Komori, A., Kaneko, O., Yamada, H., Kawahata, K., ...

In the first four years of the LHD experiment, several encouraging results have emerged, the most significant of which is that MHD stability and good transport are compatible in the inward shifted...

220 GHz zenith atmospheric transparency at IAO, Hanle (2002)

Ananthasubramanian, P. G, Yamamoto, S, Prabhu, T. P

We present 220 GHz (1.36 mm) measurements of zenith optical depth obtained to characterise the Indian Astronomical Observatory, Hanle (Ladakh, India) during the period from late December 1999 to...

Application of a simplified method based on regular regime approach to determine the effective moisture diffusivity of mixture of low molecular weight sugars and maltodextrin during desorption (2002)

Adhikari, B., Howes, T., Bhandari, B. R., Yamamoto, S., Truong, V.

The binary diffusivities of water in low molecular weight sugars; fructose, sucrose and a high molecular weight carbohydrate; maltodextrin (DE 11) and the effective diffusivities of water in mixtures...

Application of a simplified method based on regular regime approach to determine the effective moisture diffusivity of mixture of low molecular weight sugars and maltodextrin during desorption (2002)

Adhikari, B., Howes, T., Bhandari, B. R., Yamamoto, S., Truong, V.

The binary diffusivities of water in low molecular weight sugars; fructose, sucrose and a high molecular weight carbohydrate; maltodextrin (DE 11) and the effective diffusivities of water in mixtures...

Helicobacter pylori infection in rheumatoid arthritis: effect of drugs on prevalence and correlation with gastroduodenal lesions (2002)

Ishikawa, N., Fuchigami, T., Matsumoto, T., Kobayashi, H., Sakai, Y., Tabata, H., ...

Objective. The aim of this study was to investigate the impact of Helicobacter pylori infection on clinical features in patients with rheumatoid arthritis (RA) under medication with...

220 GHz tipping radiometer for monitoring atmospheric opacity at Hanle (2001)

Ananthasubramanian, P. G, Yamamoto, S, Prabhu, T. P

In this poster presentation, we describe the working principle, data acquisition method and data reduction scheme of a 220 GHz tipping radiometer. We also present the preliminary 220 GHz zenith...

Configuration flexibility and extended regimes in Large Helical Device (2001)

Yamada, H., Komori, A., Ohyabu, N., Kaneko, O., Kawahata, K., Watanabe, K. Y., ...

Recent experimental results in the Large Helical Device have indicated that a large pressure gradient can be formed beyond the stability criterion for the Mercier (high-n) mode. While the stability...

MHD characteristics in the high beta regime of the Large Helical Device (2001)

Sakakibara, S., Yamada, H., Watanabe, K., Narushima, Y., Toi, K., Ohdachi, S., ...

The highest volume averaged beta values beta (t) of 2.2% at B-t = 0.75 T (gas puff) and 2.4% at D-t = 1.3 T (pellet) in helical devices have been achieved in LHD. The beta (t) dependence of MHD...

Early Return of Reproductive Function in Postpartum Dairy Cows by Intrauterine Infusion of Iodine(PVP-I) (1996)

Yamamoto, S, Tsujii, H, Hashizume, K

The relation between the effect on postpartal intrauterine infusion of polyvinyl pyrolidone-iodine (PVP-I) on the early return of reproductive function and follicular development was investigated in...

Control of Corpus Luteum Function for Shortening the Conception Interval of Dairy Cows (1996)

Yamamoto, S, Tsujii, H, Hashizume, K

The present study was undertaken to evaluate the shortening of conception interval by artificially controlling the function of corpus luteum. A commercial solution of polyvinyl pyrolidone and iodine...

Mechanically and Optically Stimulated Luminescence Spectra of Silica Glass: The Role of Defects on Photoradiation (1996)

Kawaguchi, Y., Yamamoto, S.

There have been many studies aimed at clarifying the fundamental nature of defects and the physical processes of defect formation in solids, because dynamic processes on defects play a key role in...

The effects of food consistency on maxillary growth in rats (1996)

Yamamoto, S

The effect of food consistency on the bone appositional pattern at the growth site in the palatal region of the maxillary complex in growing rats was examined by quantitative analysis employing bone...

Atomic Layer-by-Layer MOCVD of Oxide Superconductors (1995)

Oda, S., Yamamoto, S., Kawaguchi, A.

A very smooth surface film of c-axis oriented YBa2Cu3Ox (YBCO) with roughness of less than monomolecular layer over 10µmx10µm, free of precipitates, has benne obtained by atomic layer-by-layer...

Atomic Layer-by-Layer MOCVD of Oxide Superconductors (1995)

Oda, S., Yamamoto, S., Kawaguchi, A.

A very smooth surface film of c-axis oriented YBa2Cu3Ox (YBCO) with roughness of less than monomolecular layer over 10µmx10µm, free of precipitates, has benne obtained by atomic layer-by-layer...

Percutaneous absorptiometry by UV laser photoacoustic method using a novel open-ended cell combined with light guide (1994)

Takamoto, R., Yamamoto, S., Namba, R., Matsuoka, M., Sawada, T.

A UV laser photoacoustic(PA) method with high sensitivity and accuracy using a novel open-ended cell was developed. This PA cell was constructed by processing the end of a light guide as the sample...

Percutaneous absorptiometry by UV laser photoacoustic method using a novel open-ended cell combined with light guide (1994)

Takamoto, R., Yamamoto, S., Namba, R., Matsuoka, M., Sawada, T.

A UV laser photoacoustic(PA) method with high sensitivity and accuracy using a novel open-ended cell was developed. This PA cell was constructed by processing the end of a light guide as the sample...

LATEX AGGLUTINATION TEST : A SIMPLE, RAPID AND PRACTICAL METHOD FOR BOVINE SERUM CRP DETERMINATION (1992)

SARIKAPUTI, M., MORIMATSU, M., YAMAMOTO, S., SYUTO, B., SAITO, M., NAIKI, M.

A semi-quantitative latex agglutination test for bovine serum CRP levels has been established by mixing diluted serum (or diluted standard serum) with a 1% latex suspension containing 0.489 μm latex...

Infant Feeding and Growth in Rural Ghana: Is the Use of the Traditional Fermented Porridge a Case for Early Supplementation? (1991)

Armar-Klemesu, M. A., Wheeler, E. F., Brakohiapa, L. A., Yamamoto, S.

Thirty infants were studied longitudinally for 6 months. Breast milk and intakes of supplements were measured at the first and third months post-partum. Mode of feeding, morbidity, and weights were...

Three-dimensional structure of protein C inhibitor predicted from structure of {alpha}1-antitrypsin with computer graphics (1987)

Toma, K., Yamamoto, S., Deyashiki, Y., Suzuki, K.

The three-dimensional structure of a proteolytically modified protein C inhibitor, a member of the serine protease inhibitor superfamily, was constructed with computer graphics based on its amino...

Respiratory diseases in hard metal workers: an occupational hygiene study in a factory.

Kusaka, Y, Yokoyama, K, Sera, Y, Yamamoto, S, Sone, S, Kyono, H, ...

A hygiene study of a hard metal factory was conducted from 1981 to 1984. All workers exposed to hard metal were medically examined and their exposure to cobalt measured. Eighteen employees had...

Identification of novel MUNC13-4 mutations in familial haemophagocytic lymphohistiocytosis and functional analysis of MUNC13-4-deficient cytotoxic T lymphocytes

Yamamoto, K, Ishii, E, Sako, M, Ohga, S, Furuno, K, Suzuki, N, ...

Background: Familial haemophagocytic lymphohistiocytosis (FHL) has an autosomal recessive mode of inheritance and consists of at least three subtypes. FHL2 subtype with perforin (PRF1) mutation...

Non-specific interstitial pneumonia: findings on sequential CT scans of nine patients

Akira, M., Inoue, G., Yamamoto, S., Sakatani, M.

BACKGROUND—The purpose of this study was to describe findings on sequential high resolution computed tomographic (CT) scans of nine patients with non-specific interstitial...

Serial computed tomographic evaluation in desquamative interstitial pneumonia

Akira, M., Yamamoto, S., Hara, H., Sakatani, M., Ueda, E.

BACKGROUND: Desquamative interstitial pneumonia (DIP) may represent the early stage and usual interstitial pneumonia (UIP) the late stage of the same disease. The purpose of this study was to...

Immunohistochemical expression of the c-kit proto-oncogene product in human malignant and non-malignant breast tissues.

Chui, X., Egami, H., Yamashita, J., Kurizaki, T., Ohmachi, H., Yamamoto, S., ...

The immunohistochemical expression of c-kit proto-oncogene product in 57 breast cancer tissues was studied using anti-c-kit proto-oncogene product antibody in comparison with 20 normal breast tissues...

Immunohistochemical expression of SKALP/elafin in squamous cell carcinoma of the oesophagus.

Yamamoto, S., Egami, H., Kurizaki, T., Ohmachi, H., Hayashi, N., Okino, T., ...

In this study, the immunohistochemical expression of a new inducible elastase inhibitor, SKALP (skin-derived anti-leucoproteinase)/elafin, in the tissue of squamous cell carcinoma and uninvolved...

Expression of vascular endothelial growth factor (VEGF) in epithelial ovarian neoplasms: correlation with clinicopathology and patient survival, and analysis of serum VEGF levels.

Yamamoto, S., Konishi, I., Mandai, M., Kuroda, H., Komatsu, T., Nanbu, K., ...

Vascular endothelial growth factor (VEGF) is known to be produced by various solid tumours and is thought to be involved in microvascular permeability and/or angiogenesis. To examine the relationship...

No association between fruit or vegetable consumption and the risk of colorectal cancer in Japan

Tsubono, Y, Otani, T, Kobayashi, M, Yamamoto, S, Sobue, T, Tsugane, S

In a pooled analysis of two prospective studies with 88 658 Japanese men and women, fruit and vegetable consumptions, were not associated with a lower risk of colorectal cancer (705 cases);...

Medroxyprogesterone acetate inhibits interleukin 6 secretion from KPL-4 human breast cancer cells both in vitro and in vivo: a possible mechanism of the anticachectic effect

Kurebayashi, J, Yamamoto, S, Otsuki, T, Sonoo, H

Interleukin 6 (IL-6) is a multifunctional cytokine. Recent reports suggest that circulating IL-6 secreted from tumour cells plays an important role in cancer-induced cachexia. Medroxyprogesterone...

Isolation and characterization of a new human breast cancer cell line, KPL-4, expressing the Erb B family receptors and interleukin-6

Kurebayashi, J, Otsuki, T, Kurosumi, M, Yamamoto, S, Tanaka, K, Mochizuki, M, ...

A new human breast cancer cell line, KPL-4, was recently isolated from the malignant pleural effusion of a breast cancer patient with an inflammatory skin metastasis. This cell line can be cultured...

Anti-HER2 antibody enhances the growth inhibitory effect of anti-oestrogen on breast cancer cells expressing both oestrogen receptors and HER2

Kunisue, H, Kurebayashi, J, Otsuki, T, Tang, C K, Kurosumi, M, Yamamoto, S, ...

Anti-oestrogen is effective for the treatment of oestrogen receptor (ER)-positive breast carcinomas, butmost of these tumours become resistant to anti-oestrogen. It has been suggested that...

Immunohistochemical analysis of Bcl-2 protein in early squamous cell carcinoma of the bronchus treated with photodynamic therapy

Kawaguchi, T, Yamamoto, S, Naka, N, Okishio, K, Atagi, S, Ogawara, M, ...

Photodynamic therapy (PDT) in early squamous cell carcinoma of the bronchus has been shown to result in complete response (CR) and cure. However, local recurrence after PDT develops frequently even...