T. Sakamoto

Publication List Details

Period

1977 - 2009

Number

127

Co-Authors

A big γ-ray burst at a redshift of z ≈ 8.2 (2009)

Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...

4 pages, 3 figures.-- ArXiv pre-print available at: http://arxiv.org/abs/0906.1577

A γ-ray burst at a redshift of z ≈ 8.2 (2009)

Tanvir, N. R., Fox , D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...

Long-duration γ-ray bursts (GRBs) are thought to result from the explosions of certain massive stars, and some are bright enough that they should be observable out to redshifts of z > 20 using...

GRB081028 and its late-time afterglow re-brightening (2009)

Margutti, R., Genet, F., Granot, J., Duran, R. Barniol, Guidorzi, C., Chincarini, G., ...

Swift captured for the first time a smoothly rising X-ray re-brightening of clear non-flaring origin after the steep decay in a long gamma-ray burst (GRB): GRB081028. A rising phase is likely present...

GRB090111: extra soft steep decay emission and peculiar re-brightening (2009)

Margutti, R., Sakamoto, T., Chincarini, G., Guidorzi, C., Mao, J., Pasotti, F., ...

We present a detailed study of GRB090111, focusing on its extra soft power-law photon index Gamma>5 at the very steep decay phase emission (power-law index alpha=5.1, steeper than 96% of GRBs...

Spectral Lags and the Lag-Luminosity Relation: An Investigation with Swift BAT Gamma-ray Bursts (2009)

Ukwatta, T. N., Stamatikos, M., Dhuga, K. S., Sakamoto, T., Barthelmy, S. D., Gehrels, N., ...

Spectral lag, the time difference between the arrival of high-energy and low-energy photons, is a common feature in Gamma-ray Bursts (GRBs). Norris et al. 2000 reported a correlation between the...

Testing the Epeak - Eiso relation for GRBs detected by Swift and Suzaku-WAM (2009)

Krimm, H. A., Yamaoka, K., Sugita, S., Ohno, M., Sakamoto, T., Barthelmy, S. D., ...

One of the most prominent, yet controversial associations derived from the ensemble of prompt-phase observations of gamma-ray bursts (GRBs) is the apparent correlation in the source frame between the...

Variability in the Prompt Emission of Swift-BAT Gamma-Ray Bursts (2009)

Ukwatta, T. N., Dhuga, K. S., Parke, W. C., Sakamoto, T., Markwardt, C. B., Barthelmy, S. D., ...

We present the results of our study of the variability time scales of a sample of 27 long Swift Gamma-Ray Bursts (GRBs) with known redshifts. The variability time scale can help our understanding of...

A glimpse of the end of the dark ages: the gamma-ray burst of 23 April 2009 at redshift 8.3 (2009)

Tanvir, N. R., Fox, D. B., Levan, A. J., Berger, E., Wiersema, K., Fynbo, J. P. U., ...

It is thought that the first generations of massive stars in the Universe were an important, and quite possibly dominant, source of the ultra-violet radiation that reionized the hydrogen gas in the...

The 22-Month Swift-BAT All-Sky Hard X-ray Survey (2009)

Tueller, J., Baumgartner, W. H., Markwardt, C. B., Skinner, G. K., Mushotzky, R. F., Ajello, M., ...

We present the catalog of sources detected in the first 22 months of data from the hard X-ray survey (14--195 keV) conducted with the BAT coded mask imager on the \swift satellite. The catalog...

Indication of Two Classes in the Swift Short Gamma-Ray Bursts from the XRT X-Ray Afterglow Light Curves (2009)

Sakamoto, T., Gehrels, N.

We present the discovery of two distinct classes in the Swift short duration gamma-ray bursts (S-GRBs) from the X-Ray Telescope (XRT) X-ray afterglow light curve. We find that about 40% of the Swift...

Suzaku Observation of the New Soft Gamma Repeater SGR 0501+4516 in Outburst (2009)

Enoto, T., Nakagawa, Y. E., Rea, N., Esposito, P., Gotz, D., Hurley, K., ...

We present the first Suzaku observation of the new Soft Gamma Repeater SGR 0501+4516, performed on 2008 August 26, four days after the onset of bursting activity of this new member of the magnetar...

Investigating the Possibility of Screening High-z GRBs based on BAT Prompt Emission Properties (2009)

Ukwatta, T. N., Sakamoto, T., Dhuga, K. S., Parke, W. C., Barthelmy, S. D., Gehrels, N., ...

Being able to quickly select among gamma-ray bursts (GRBs) seen by the Swift satellite those which are high-z candidates would give ground-based observers a better chance to determine a redshift for...

GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by Extended Emission. (2009)

Perley, D.A., Metzger, B.D., Granot, J., Butler, N.R., Sakamoto, T., Ramirez-Ruiz, E., ...

Original article can be found at: http://www.iop.org/EJ/journal/ap Copyright IOP Publishing / American Astronomical Society. DOI: 10.1088/0004-637X/696/2/1871 [Full text of this article is not...

GRB 080503: implications of a naked short gamma-ray burst dominated by extended emission (2009)

Perley, D. A., Metzger, B. D., Granot, J., Butler, N. R., Sakamoto, T., Ramirez-Ruiz, Enrico, ...

We report on observations of GRB 080503, a short gamma-ray burst (GRB) with very bright extended emission (about 30 times the gamma-ray fluence of the initial spike) in conjunction with a thorough...

GRB 080503: implications of a naked short gamma-ray burst dominated by extended emission (2009)

Perley, D. A., Metzger, B. D., Granot, J., Butler, N. R., Sakamoto, T., Ramirez-Ruiz, Enrico, ...

We report on observations of GRB 080503, a short gamma-ray burst (GRB) with very bright extended emission (about 30 times the gamma-ray fluence of the initial spike) in conjunction with a thorough...

A phase I study of full-dose gemcitabine and regional arterial infusion of nafamostat mesilate for advanced pancreatic cancer (2009)

Uwagawa, T., Misawa, T., Sakamoto, T., Ito, R., Gocho, T., Shiba, H., ...

Background: The primary end points of this study were to determine the dose-limiting toxic effects (DLTs), maximum tolerated dose, and a recommended phase II dose of a synthetic serine protease...

Development of 10-kJ PW Laser for the FIREX-I Program IF/P5-2 (2008)

N. Miyanaga, H. Azechi, T. Jitsuno, J. Kawanaka, Y. Fujimoto, H. Shiraga, ...

Abstract. A 10-kJ PW laser (LFEX) is under construction for the FIREX-I program. This paper reports a design overview of LFEX, the technological development of a large-aperture 2x2 arrayed amplifier...

Jet breaks and Energetics of Swift GRB X-ray Afterglows (2008)

Racusin, J. L., Liang, E. W., Burrows, D. N., Falcone, A., Sakamoto, T., Zhang, B. B., ...

We present a systematic temporal and spectral study of all Swift-XRT observations of GRB afterglows discovered between 2005 January and 2007 December. After constructing and fitting all light curves...

Intrinsic properties of a complete sample of HETE-2 gamma-ray bursts. A measure of the GRB rate in the Local Universe (2008)

Pélangeon, A., Nakagawa, Y. E., Hurley, K., Yoshida, A., Vanderspek, R., ...

Aims: Taking advantage of the forthcoming Catalog of the HETE-2 mission, the aim of this paper is to evaluate the main properties of HETE-2 GRBs - the E_peak, the T_90 and the E_iso - in their source...

Epeak estimator for Gamma-Ray Bursts Observed by the Swift Burst Alert Telescope (2008)

Sakamoto, T., Sato, G., Barbier, L., Barthelmy, S. D., Cummings, J. R., Fenimore, E. E., ...

We report a correlation based on a spectral simulation study of the prompt emission spectra of gamma-ray bursts (GRBs) detected by the Swift Burst Alert Telescope (BAT). The correlation is between...

GRB 080503: Implications of a Naked Short Gamma-Ray Burst Dominated by Extended Emission (2008)

Perley, D. A., Metzger, B. D., Granot, J., Butler, N. R., Sakamoto, T., Ramirez-Ruiz, E., ...

We report on observations of GRB 080503, a short gamma-ray burst with very bright extended emission (about 30 times the gamma-ray fluence of the initial spike) in conjunction with a thorough...

POET: POlarimeters for Energetic Transients (2008)

Hill, J. E., McConnell, M. L., Bloser, P., Legere, J., Macri, J., Ryan, J., ...

POET (Polarimeters for Energetic Transients) is a Small Explorer mission concept proposed to NASA in January 2008. The principal scientific goal of POET is to measure GRB polarization between 2 and...

Correlations of Prompt and Afterglow Emission in Swift Long and Short Gamma Ray Bursts (2008)

Gehrels, N., Barthelmy, S. D., Burrows, D. N., Cannizzo, J. K., Chincarini, G., Fenimore, E., ...

Correlation studies of prompt and afterglow emissions from gamma-ray bursts (GRBs) between different spectral bands has been difficult to do in the past because few bursts had comprehensive and...

The 2008 May burst activation of SGR 1627-41 (2008)

Esposito, P., Israel, G. L., Zane, S., Senziani, F., Starling, R. L. C., Rea, N., ...

In May 2008 the soft gamma-ray repeater SGR 1627-41 resumed its bursting activity after nearly a decade of quiescence. After detection of a bright burst, Swift pointed its X-ray telescope in the...

The Swift Discovery of X-ray Afterglows Accompanying Short Bursts from SGR 1900+14 (2008)

Nakagawa, Y. E., Sakamoto, T., Sato, G., Gehrels, N., Hurley, K., Palmer, D. M.

The discovery of X-ray afterglows accompanying two short bursts from SGR 1900+14 is presented. The afterglow luminosities at the end of each observation are lower by 30-50% than their initial...

A Swift gaze into the 2006 March 29th burst forest of SGR 1900+14 (2008)

Israel, G. L., Romano, P., Mangano, V., Dall'Osso, S., Chincarini, G., Stella, L., ...

We report on the intense burst ``forest'' recorded on 2006 March 29 which lasted for ~30s. More than 40 bursts were detected both by BAT and by XRT, seven of which are rare intermediate flares (IFs):...

Screening High-z GRBs with BAT Prompt Emission Properties (2008)

Ukwatta, T. N., Sakamoto, T., Stamatikos, M., Gehrels, N., Dhuga, K. S.

Detecting high-z GRBs is important for constraining the GRB formation rate, and tracing the history of re-ionization and metallicity of the universe. Based on the current sample of GRBs detected by...

Global Properties of X-Ray Flashes and X-Ray-Rich Gamma-Ray Bursts Observed by Swift (2008)

Sakamoto, T., Hullinger, D., Sato, G., Yamazaki, R., Barbier, L., Barthelmy, S. D., ...

We describe and discuss the spectral and temporal characteristics of the prompt emission and X-ray afterglow emission of X-ray flashes (XRFs) and X-ray-rich gamma-ray bursts (XRRs) detected and...

Constraints on the Pleistocene chronology of sediments from the Lomonosov Ridge (2008)

O'Regan, M., King, J., Backman, J., Jakobsson, M., Pälike, H., Moran, K., ...

Despite its importance in the global climate system, age-calibrated marine geologic records reflecting the evolution of glacial cycles through the Pleistocene are largely absent from the central...

Intrinsic properties of a complete sample of HETE-2 gamma-ray bursts. A measure of the GRB rate in the Local Universe (2008)

Pélangeon, A., Nakagawa, Y. E., Hurley, K., Yoshida, A., Vanderspek, R., ...

Aims: Taking advantage of the forthcoming Catalog of the HETE-2 mission, the aim of this paper is to evaluate the main properties of HETE-2 GRBs - the E_peak, the T_90 and the E_iso - in their source...

Intrinsic properties of a complete sample of HETE-2 gamma-ray bursts. A measure of the GRB rate in the Local Universe (2008)

Pélangeon, A., Nakagawa, Y. E., Hurley, K., Yoshida, A., Vanderspek, R., ...

Aims: Taking advantage of the forthcoming Catalog of the HETE-2 mission, the aim of this paper is to evaluate the main properties of HETE-2 GRBs - the E_peak, the T_90 and the E_iso - in their source...

The 2008 May burst activation of SGR 1627–41 (2008)

Esposito, P., Israel, G.L., Zane, S., Senziani, F., Starling, R.L.C., Rea, N., ...

In 2008 May, the soft gamma-ray repeater (SGR) SGR 1627-41 resumed its bursting activity after nearly a decade of quiescence. After detection of a bright burst, Swift pointed its X-ray telescope in...

Correlations of prompt and afterglow emission in Swift long and short gamma-ray bursts (2008)

Gehrels, N., Barthelmy, S.D., Burrows, D.N., Cannizzo, J.K., Chincarini, G., Fenimore, E., ...

Correlation studies of prompt and afterglow emission from gamma-ray bursts (GRBs) between different spectral bands have been difficult to do in the past because few bursts had comprehensive and...

The First Swift BAT Gamma-Ray Burst Catalog (2007)

Sakamoto, T., Barthelmy, S. D., Barbier, L., Cummings, J. R., Fenimore, E. E., Gehrels, N., ...

We present the first Swift Burst Alert Telescope (BAT) catalog of gamma-ray bursts (GRBs), which contains bursts detected by the BAT between 2004 December 19 and 2007 June 16. This catalog (hereafter...

Periodicities in X-ray Binaries from Swift/BAT Observations (2007)

Corbet, R., Markwardt, C., Barbier, L., Barthelmy, S., Cummings, J., Gehrels, N., ...

The Burst Alert Telescope (BAT) on board Swift has accumulated extensive light curves for 265 sources (not including GRBs) in the energy range 14 to 200 keV. We present here a summary of searches for...

Panchromatic study of GRB 060124: from precursor to afterglow (2006)

Romano, P., Campana, S., Chincarini, G., Cummings, J., Cusumano, G., Holland, S. T., ...

We present observations of GRB 060124, the first event for which both the prompt and the afterglow emission could be observed simultaneously and in their entirety by the three Swift instruments and...

The circumburst environment of a FRED GRB: study of the prompt emission and X-ray/optical afterglow of GRB 051111 (2006)

Guidorzi, C., Gomboc, A., Kobayashi, S., Mundell, C. G., Rol, E., Bode, M. F., ...

We report a multi-wavelength analysis of the prompt emission and early afterglow of GRB051111 and discuss its properties in the context of current fireball models. The detection of GRB051111 by the...

Swift Discovery of Gamma-Ray Bursts without Jet Break Feature in their X-Ray Afterglows (2006)

Sato, G., Yamazaki, R., Ioka, K., Sakamoto, T., Takahashi, T., Nakazawa, K., ...

We analyze Swift gamma-ray bursts (GRBs) and X-ray afterglows for three GRBs with spectroscopic redshift determinations -- GRB 050401, XRF 050416a, and GRB 050525a. We find that the relation between...

Discovery of a Faint Old Stellar System at 150 kpc (2006)

Sakamoto, T., Hasegawa, T.

We report the detection of a faint old stellar system at $(\alpha,\delta)=(194.29^\circ,~34.32^\circ)$ (SDSS J1257+3419), based on the spatial distribution of bright red-giant branch stars in the...

Swift detects a remarkable gamma-ray burst, GRB 060614, that introduces a new classification scheme (2006)

Gehrels, N., Norris, J. P., Mangano, V., Barthelmy, S. D., Burrows, D. N., Granot, J., ...

Gamma ray bursts (GRBs) are known to come in two duration classes, separated at ~2 s. Long bursts originate from star forming regions in galaxies, have accompanying supernovae (SNe) when near enough...

Swift observations of GRB050904: the most distant cosmic explosion ever observed (2006)

Cusumano, G., Mangano, V., Chincarini, G., Panaitescu, A., Burrows, D. N., La Parola, V., ...

Swift discovered the high redshift (z=6.29) GRB050904 with the Burst Alert Telescope (BAT) and began observing with its narrow field instruments 161 s after the burst onset. This gamma-ray burst is...

Arctic hydrology during global warming at the palaeocene/Eocene thermal maximum (2006)

Pagani, M., Pedentchouk, N., Huber, M., Sluijs, A., Schouten, S., Brinkhuis, H., ...

The Palaeocene/Eocene thermal maximum represents a period of rapid, extreme global warming approx55 million years ago, superimposed on an already warm world. This warming is associated with a severe...

The association of GRB 060218 with a supernova and the evolution of the shock wave (2006)

Campana, S., Mangano, V., Blustin, A.J., Brown, P., Burrows, D.N., Chincarini, G., ...

Although the link between long -ray bursts (GRBs) and supernovae has been established, hitherto there have been no observations of the beginning of a supernova explosion and its intimate link to a...

Subtropical Arctic Ocean temperatures during the Palaeocene/Eocene thermal maximum (2006)

Sluijs, Appy, Schouten, Stefan, Pagani, Mark, Woltering, Martijn, Brinkhuis, Henk, Sinninghe Damsté, Jaap S., ...

The Palaeocene/Eocene thermal maximum, ~55 million years ago, was a brief period of widespread, extreme climatic warming, that was associated with massive atmospheric greenhouse gas input. Although...

The Cenozoic palaeoenvironment of the Arctic Ocean (2006)

Moran, K., Backman, J., Brinkhuis, H., Clemens, S.C., Cronin, T., Dickens, G.R., ...

The history of the Arctic Ocean during the Cenozoic era (0–65 million years ago) is largely unknown from direct evidence. Here we present a Cenozoic palaeoceanographic record constructed from >400...

GRB 060121: Implications of a Short/Intermediate Duration Gamma-Ray Burst at High Redshift (2006)

Postigo, A. De Ugarte, Castro-Tirado, A. J., Guziy, S., Gorosabel, J., Johannesson, G., Aloy, M. A., ...

Since the discovery of the first short-hard gamma-ray burst afterglows in 2005, the handful of observed events have been found to be embedded in nearby (z < 1), bright underlying galaxies. We present...

Swift panchromatic observations of the bright gamma‐ray burst GRB 050525a (2006)

Blustin, A.J., Band, D., Barthelmy, S., Boyd, P., Capalbi, M., Holland, S.T., ...

The bright gamma-ray burst GRB 050525a has been detected with the Swift observatory, providing unique multiwavelength coverage from the very earliest phases of the burst. The X-ray and optical/UV...

Letter. Episodic fresh surface waters in the Eocene Arctic Ocean (2006)

Brinkhuis, Henk, Schouten, Stefan, Collinson, Margaret E., Sluijs, Appy, Sinninghe Damsté, Jaap S., Dickens, Gerald R., ...

It has been suggested, on the basis of modern hydrology and fully coupled palaeoclimate simulations, that the warm greenhouse conditions that characterized the early Palaeogene period (55–45 Myr...

A short gamma-ray burst apparently associated with an elliptical galaxy at redshift z = 0.225 (2005)

Sarazin, C L, O'Brien, P T, Zhang, B, Barthelmy, S D, ...

Gamma-ray bursts (GRBs) come in two classes: long (> 2 s), soft-spectrum bursts and short, hard events. Most progress has been made on understanding the long GRBs, which are typically observed at...

Ultrafast all-optical switching by cross-absorption modulation in silicon wire waveguides (2005)

Liang, T, Nunes, L, Sakamoto, T, Sasagawa, K, Kawanishi, T, Tsuchiya, M, ...

We describe the use of two-photon absorption in submicron silicon wire waveguides for all-optical switching by cross-absorption modulation. Optical pulses of 3.2 ps were successfully converted from...

A giant gamma-ray flare from the magnetar SGR 1806-20 (2005)

Barthelmy, S, Gehrels, N, Kippen, R M, Cayton, T, Kouveliotou, C, ...

Two classes of rotating neutron stars-soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars-are magnetars, whose X-ray emission is powered by a very strong magnetic field (B approximately...

A short gamma-ray burst apparently associated with an elliptical galaxy at redshift z = 0.225 (2005)

Gehrels, N., Sarazin, C.L., O'Brien, P.T., Zhang, B., Barbier, L., Barthelmy, S.D., ...

Gamma-ray bursts (GRBs) come in two classes: long (> 2s), soft-spectrum bursts and short, hard events. Most progress has been made on understanding the long GRBs, which are typically observed at high...

A giant gamma-ray flare from the magnetar SGR 1806 - 20 (2005)

Palmer, D.M., Barthelmy, S., Gehrels, N., Kippen, R.M., Cayton, T., Kouveliotou, C., ...

Two classes of rotating neutron stars-soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars-are magnetars, whose X-ray emission is powered by a very strong magnetic field (B ~ 1015G). SGRs...

Sex-linked Quantitative Trait Loci for Thermotolerance and Length in the Rainbow Trout (2005)

Perry, G. M. L., Ferguson, M. M., Sakamoto, T., Danzmann, R. G.

We hypothesized that correlation between growth traits and upper thermal tolerance (UTT) in rainbow trout (Oncorhynchus mykiss) might be explained by quantitative trait loci (QTL) localized to the...

Sex-linked Quantitative Trait Loci for Thermotolerance and Length in the Rainbow Trout (2005)

Perry, G. M. L., Ferguson, M. M., Sakamoto, T., Danzmann, R. G.

We hypothesized that correlation between growth traits and upper thermal tolerance (UTT) in rainbow trout (Oncorhynchus mykiss) might be explained by quantitative trait loci (QTL) localized to the...

Comparison of the effects of sevoflurane and propofol on cooling and rewarming during deliberate mild hypothermia for neurosurgery (2003)

Iwata, T., Inoue, S., Kawaguchi, M., Takahashi, M., Sakamoto, T., Kitaguchi, K., ...

Background. Because the time available for cooling and rewarming during deliberate mild hypothermia is limited, studies of the rate of the cooling and rewarming are useful. The decrease in core...

Quantitative Trait Loci for Spawning Date and Body Weight in Rainbow Trout: Testing for Conserved Effects Across Ancestrally Duplicated Chromosomes (2003)

O'Malley, K. G., Sakamoto, T., Danzmann, R. G., Ferguson, M. M.

We incorporated 69 microsatellite loci into an existing data set of 132 markers to test for quantitative trait loci (QTLs) affecting spawning date and body weight in a backcross between two outbred...

Effect of nitrous oxide on myogenic motor evoked potentials during hypothermia in rabbits anaesthetized with ketamine/fentanyl/propofol (2002)

Kakimoto, M., Kawaguchi, M., Sakamoto, T., Inoue, S., Takahashi, M., Furuya, H.

Background. A number of authors have reported that anaesthetics suppress myogenic motor evoked potentials (MEPs). However, the influence of hypothermia on these effects is unknown. Therefore we...

Suppressive effect of nitrous oxide on motor evoked potentials can be reversed by train stimulation in rabbits under ketamine/fentanyl anaesthesia, but not with additional propofol (2001)

Sakamoto, T., Kawaguchi, M., Inoue, S., Furuya, H.

The effect of nitrous oxide on myogenic motor evoked potentials (MEPs) after multipulse stimulation is controversial. We investigated the effects of propofol in this paradigm. MEPs were elicited...

Amrinone can accelerate the cooling rate of core temperature during deliberate mild hypothermia for neurosurgical procedures (2001)

Inoue, S., Kawaguchi, M., Sakamoto, T., Iwata, T., Kawaraguchi, Y., Furuya, H., ...

We investigated the effects of i.v. amrinone on intraoperative changes of core temperature during deliberate mild hypothermia for neurosurgery. The patients in a control group (n=10) did not...

EFFECT OF THIOPENTONE ON MOTOR EVOKED POTENTIALS INDUCED BY TRANSCRANIAL MAGNETIC STIMULATION IN HUMANS (1993)

KAWAGUCHI, M., SAKAMOTO, T., SHIMIZU, K., OHNISHI, H., KARASAWA, J.

We have studied the effect of repeated doses of thiopentone on motor evoked potentials (MEP) after transcranial magnetic stimulation in 13 patients. Thiopentone was administered i.v. in an initial...

GROWTH CONTROL OF GexSi1-x/Si STRAINED-LAYER SUPERLATTICE BY THE RHEED INTENSITY OSCILLATIONS (1987)

Sakamoto, T., Sakamoto, K., Oyanagi, H., Yao, T., Ishiguro, T., Nagao, S ., ...

Reflection high-energy electron diffraction intensity oscillations are observed during the heteroepitaxy of GexSi1-x/Si strained structure. The oscillations are found to be strongly dependent on the...

GROWTH CONTROL OF GexSi1-x/Si STRAINED-LAYER SUPERLATTICE BY THE RHEED INTENSITY OSCILLATIONS (1987)

Sakamoto, T., Sakamoto, K., Oyanagi, H., Yao, T., Ishiguro, T., Nagao, S ., ...

Reflection high-energy electron diffraction intensity oscillations are observed during the heteroepitaxy of GexSi1-x/Si strained structure. The oscillations are found to be strongly dependent on the...

GROWTH CONTROL OF GexSi1-x/Si STRAINED-LAYER SUPERLATTICE BY THE RHEED INTENSITY OSCILLATIONS (1987)

Sakamoto, T., Sakamoto, K., Oyanagi, H., Yao, T., Ishiguro, T., Nagao, S ., ...

Reflection high-energy electron diffraction intensity oscillations are observed during the heteroepitaxy of GexSi1-x/Si strained structure. The oscillations are found to be strongly dependent on the...

Pharmacological modulation of inhaled sodium metabisulphite-induced airway microvascular leakage and bronchoconstriction in the guinea-pig.

Sakamoto, T., Elwood, W., Barnes, P. J., Chung, K. F.

1. We have investigated the effects of chlorpheniramine, atropine and capsaicin pretreatment on inhaled sodium metabisulphite (MBS)-induced airway microvascular leakage and bronchoconstriction in...

The characterisation of hyalocytes: the origin, phenotype, and turnover

Qiao, H, Hisatomi, T, Sonoda, K-H, Kura, S, Sassa, Y, Kinoshita, S, ...

Aim: To determine the characterisation of hyalocytes: the origin, phenotype, and turnover in the rodent.

Effects of sodium metabisulphite on guinea pig contractile airway smooth muscle responses in vitro.

Sun, J, Sakamoto, T, Chung, K F

BACKGROUND--Sodium metabisulphite (MBS) is known to induce bronchoconstriction in asthmatic patients. The effects of MBS on guinea pig airway smooth muscle and on neurally mediated contraction in...

Lack of correlation between delayed traumatic intracerebral haematoma and disseminated intravascular coagulation.

Sawada, Y, Sadamitsu, D, Sakamoto, T, Ikemura, K, Yoshioka, T, Sugimoto, T

The relationship between delayed traumatic intracerebral haematoma and disseminated intravascular coagulation was investigated. Eighteen patients with delayed traumatic intracerebral haematoma were...

Effect of the leukotriene receptor antagonist pranlukast on cellular infiltration in the bronchial mucosa of patients with asthma

Nakamura, Y., Hoshino, M., Sim, J. J., Ishii, K., Hosaka, K., Sakamoto, T.

BACKGROUND—It has been reported that pranlukast reduces the antigen induced immediate and late phase asthmatic responses, airway hyperreactivity to acetylcholine, and pulmonary eosinophil...

Human mannan-binding lectin inhibits the infection of influenza A virus without complement

Kase, T, Suzuki, Y, Kawai, T, Sakamoto, T, Ohtani, K, Eda, S, ...

Mannan-binding lectin (MBL) is a C-type serum lectin that is believed to play an important role in innate immunity. It is one of the collectin family, which is characterized by having a collagen-like...

Asymmetric apical hypertrophy: ten years experience.

Sakamoto, T., Amano, K., Hada, Y., Tei, C., Takenaka, K., Hasegawa, I., ...

This paper reports 10 years experience of 31 patients with asymmetric apical hypertrophy, in whom left ventricular hypertrophy involved the apex exclusively and giant T wave inversion in the left...