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...
N. Saigusa, K. Ichii, H. Murakami, R. Hirata, J. Asanuma, H. Den, ...
Northern Eurasia experienced anomalous weather conditions in the 2003 summer. We examined how forest ecosystems responded to the meteorological anomalies during the period using the dataset collected...
High-energy electron observations by PPB-BETS flight in Antarctica (2008)
Torii, S., Yamagami, T., Tamura, T., Yoshida, K., Kitamura, H., Anraku, K., ...
We have observed cosmic-ray electrons from 10 GeV to 800 GeV by a long duration balloon flight using Polar Patrol Balloon (PPB) in Antarctica. The observation was carried out for 13 days at an...
Sakon, I., Wada, T., Ohyama, Y., Ishihara, D., Tanabé, T., Kaneda, H., ...
We present our latest results on near- to mid- infrared observation of SN2006jc at 200 days after the discovery using the Infrared Camera (IRC) on board $AKARI$. The near-infrared (2--5$\mu$m)...
B. S. Manjunath, S. Ch, H. Murakami, Efficient Calculation, John Wiley, ...
of primary images from a set of images, ” IEEE
The Infrared Astronomical Mission AKARI (2007)
Murakami, H., Baba, H., Barthel, P., Clements, D. L., Cohen, M., Doi, Y., ...
The Infrared Astronomical Mission AKARI (2007)
Murakami, H., Baba, H., Barthel, P., Clements, D. L., Cohen, M., Doi, Y., ...
AKARI, the first Japanese satellite dedicated to infrared astronomy, was launched on 2006 February 21, and started observations in May of the same year. AKARI has a 68.5 cm cooled telescope, together...
The Infrared Camera (IRC) for AKARI - Design and Imaging Performance (2007)
Onaka, T., Matsuhara, H., Wada, T., Fujishiro, N., Fujiwara, H., Ishigaki, M., ...
The Infrared Camera (IRC) is one of two focal-plane instruments on the AKARI satellite. It is designed for wide-field deep imaging and low-resolution spectroscopy in the near- to mid-infrared...
Performance of the Charge Injection Capability of Suzaku XIS (2007)
Nakajima, H., Yamaguchi, H., Matsumoto, H., Tsuru, T. G., Koyama, K., Tsunemi, H., ...
A charge injection technique is applied to the X-ray CCD camera, XIS (X-ray Imaging Spectrometer) onboard Suzaku. The charge transfer inefficiency (CTI) in each CCD column (vertical transfer channel)...
Takagi, T., Matsuhara, H., Wada, T., Oyabu, S., Imai, K., Pearson, C. P., ...
We present an initial analysis of AKARI 18um-selected galaxies using all 9 photometric bands at 2-24um available in the InfraRed Camera (IRC), in order to demonstrate new capabilities of AKARI...
RCA/IAEA third external dosimetry intercomparisons in East Asia region (2007)
Yamamoto, H., Yoshizawa, M., Murakami, H., Momose, T., Tsujimura, N., Kanai, K., ...
Several intercomparison exercises were organised by the International Atomic Energy Agency (IAEA) on the determination of operational quantities at the regional or interregional basis. In East Asia...
RCA/IAEA THIRD EXTERNAL DOSIMETRY INTERCOMPARISONS IN EAST ASIA REGION (2007)
Yamamoto, H., Yoshizawa, M., Murakami, H., Momose, T., Tsujimura, N., Kanai, K., ...
Several intercomparison exercises were organised by the International Atomic Energy Agency (IAEA) on the determination of operational quantities at the regional or interregional basis. In East Asia...
Swift and Suzaku Observations of the X-Ray Afterglow from the GRB 060105 (2006)
Tashiro, M. S., Abe, K., Angelini, L., Barthelmy, S., Gehrels, N., Ishikawa, N., ...
Results are presented of early X-ray afterglow observations of GRB 060105 by Swift and Suzaku. The bright, long gamma-ray burst GRB 060105 triggered the Swift Burst Alert Telescope (BAT) at 06:49:28...
Suzaku Reveals Helium-burning Products in the X-ray Emitting Planetary Nebula BD+303639 (2006)
Murashima, M., Kokubun, M., Makishima, K., Kotoku, J., Murakami, H., Matsushita, K., ...
BD+303639, the brightest planetary nebula at X-ray energies, was observed with Suzaku, an X-ray observatory launched on 2005 July 10. Using the X-ray Imaging Spectrometer, the K-lines from C VI, O...
Carbon stars in the IRTS survey (2005)
Bertre, T. Le, Tanaka, M., Yamamura, I., Murakami, H., MacConnell, D. J.
We have identified 139 cool carbon stars in the near-infrared spectro-photometric survey of the InfraRed Telescope in Space (IRTS) from the conspicuous presence of molecular absorption bands at 1.8,...
A variability study of the Seyfert 2 galaxy NGC 6300 with XMM-Newton (2005)
Awaki, H., Murakami, H., Leighly, K. M., Matsumoto, C., Hayashida, K., Grupe, D.
We present the results of timing analysis of the XMM-Newton observation of the Seyfert 2 galaxy NGC 6300. The hard X-ray spectrum above 2 keV consists of a Compton-thin-absorbed power law, as is...
Carbon stars in the IRTS survey (2004)
Bertre, T. Le, Tanaka, M., Yamamura, I., Murakami, H., MacConnell, D. J.
We have identified 139 cool carbon stars in the near-infrared spectro-photometric survey of the InfraRed Telescope in Space (IRTS) from the conspicuous presence of molecular absorption bands at 1.8,...
IRTS observation of the near-infrared extragalactic background light (2004)
Matsumoto, T., Matsuura, S., Murakami, H., Tanaka, M., Freund, M., Lim, M., ...
We searched for near-infrared extragalactic background light (EBL) in the data from the Near-InfraRed Spectrometer (NIRS) on the Infrared Telescope in Space (IRTS). After subtracting the contribution...
Problems on invariants of knots and 3-manifolds (2004)
Andersen, J. E., Askitas, N., Bar-Natan, D., Baseilhac, S., Benedetti, R., Bigelow, S., ...
This is a list of open problems on invariants of knots and 3-manifolds with expositions of their history, background, significance, or importance. This list was made by editing open problems given in...
Effect of Neoclassical Transport Optimization on Energetic Ion Confinement in LHD (2004)
Murakami, H., Yamada, H., Sasao, M., Isobe, M., Ozaki, T., Saida, T., ...
Schottky and pn junction cryogenic radiation detectors made of p-InSb compound semiconductor (2004)
Kanno, I, Hishiki, S, Murakami, H, Sugiura, O, Murase, Y, Nakamura, T, ...
ASTRO-F - Super IRAS - The All Sky Infra-Red Survey (2002)
Pearson, Chris, Shibai, H., Matsumoto, T., Murakami, H., Nakagawa, T., Kawada, M., ...
We review the next generation Japanese infrared space mission, ASTRO-F. ASTRO-F will be the first survey of the entire sky at infrared wavelengths since the IRAS mission almost 20 years ago. ASTRO-F...
Kasahara, K., Mochizuki, E., Torii, S., Tamura, T., Tateyama, N., Yoshida, K., ...
We observed atmospheric gamma-rays around 10 GeV at balloon altitudes (15~25 km) and at a mountain (2770 m a.s.l). The observed results were compared with Monte Carlo calculations to find that an...
X-ray Sources and Star Formation Activity in the Sgr B2 Cloud Observed with Chandra (2002)
Takagi, S., Murakami, H., Koyama, K.
We report the X-ray population study in the giant molecular cloud Sagittarius B2 (SgrB2). More than a dozen of X-ray cloud members (and candidates) are discovered with Chandra. Two bright X-ray...
The time variation in infrared water-vapour bands in Mira variables (2002)
Matsuura, M., Yamamura, I., Cami, J., Onaka, T., Murakami, H.
The time variation in the water-vapour bands in oxygen-rich Mira variables has been investigated using multi-epoch ISO/SWS spectra of four Mira variables in the 2.5-4.0 micron region. All four stars...
The time variation in infrared water-vapour bands in Mira variables (2002)
Onaka, T., Cami, J., Yamamura, I., Matsuura, M., Murakami, H.
Submitted to: Astron. Astrophys. Abstract: The time variation in the water-vapour bands in oxygen-rich Mira variables has been investigated using multi-epoch ISO/SWS spectra of four Mira variables in...
The time variation in infrared water-vapour bands in Mira variables (2002)
Matsuura, M., Yamamura, I., Cami, J., Onaka, T., Murakami, H.
Murakami, H., Kiwa, T., Kida, N., Tonouchi, M., Uchiyama, T., Iguchi, I., ...
A combined study with use of time-domain pump-probe spectroscopy and time-domain terahertz transmission spectroscopy have been carried out on an underdoped Bi$_2$Sr$_2$CaCu$_2$O$_{8+{\delta}}$ thin...
Chandra Observations of Diffuse X-Rays from the Sagittarius B2 Cloud (2001)
Murakami, H., Koyama, K., Maeda, Y.
We present the first Chandra results of the giant molecular cloud Sagittarius B2 (Sgr B2), located about 100 pc away from the Galactic center. Diffuse X-rays are clearly separated from one-and-a-half...
Murakami, H., Koyama, K., Tsujimoto, M., Maeda, Y., Sakano, M.
We present an ASCA discovery of diffuse hard X-ray emission from the Sgr C complex with its peak in the vicinity of the molecular cloud core. The X-ray spectrum is characterized by a strong 6.4-keV...
Infrared Properties of SiO Maser Sources in Late-Type Stars (2000)
Matsuura, M., Yamamura, I., Murakami, H., Onaka, T., Ootsubo, T., Tohya, T., ...
Results of an SiO maser survey for the late-type stars selected by the IRTS (Infrared Telescope in Space) are presented. We have detected SiO J=1-0, v=1 and/or v=2 lines in 27 stars out of 59 stars....
Infrared properties of SiO Maser Sources in Late-Type Stars (2000)
Matsuura, M., Yamamura, I., Murakami, H., Onaka, T., Ootsubo, T., Tohya, T., ...
Problems in point-contact tunneling study on BSCCO (2000)
Murakami, H., Ogami, T., Qi, Y., Sakai, K., Ito, T., Shigaki, I., ...
ASCA Observations of the Sgr B2 Cloud: An X-Ray Reflection Nebula (1999)
Murakami, H., Koyama, K., Sakano, M., Tsujimoto, M., Maeda, Y.
We present the ASCA results of imaging spectroscopy of the giant molecular cloud Sgr B2. The X-ray spectrum is found to be very peculiar; it exhibits a strong emission line at 6.4 keV, a low energy...
Water Vapor Absorption in Early M-type Stars (1999)
Matsuura, M., Yamamura, I., Murakami, H., Freund, M. M., Tanaka, M.
The spectrometers onboard the Infrared Telescope in Space (IRTS) reveal water vapor absorption in early M-type stars, as early as M2. Previous observations detected H_2O vapor absorption only in...
SNRs in the Galactic Center region observed with ASCA (1999)
Sakano, M., Yokogawa, J., Murakami, H., Koyama, K., Maeda, Y.
We report the ASCA results of the supernova remnants (SNRs) and their candidates in the Galactic Center region. We found apparent X-ray emission from G359.1-0.5 and G0.9+0.1, and made marginal...
Measurement of TeV electrons on ISS/JEM (1999)
Torii, S, Tateyama, N, Tamura, T, Ouchi, T, Kashiwagi, K, Yoshida, K, ...
Water vapor absorption in early type M-type stars (1999)
Matsuura, M., Yamamura, I., Murakami, H., Freund, M.M., Tanaka, M.
Kuroiwa, C, Chosa, T, Murakami, H, Duangmala, S, Vongphrachanh, P, Saito, T, ...
The underdeveloped health infrastructure and limited epidemiological data on polio are major obstacles to the establishment of the acute flacid paralysis (AFP) surveillance system in Lao People's...
Atrial natriuretic peptide gene delivery attenuates gentamycin-induced nephrotoxicity in rats (1999)
Molecular cloning of a pig homologue of membrane cofactor protein (CD46) (1997)
Toyomura, K, Fujimura, T, Murakami, H, Natsume, T, Shigehisa, T, Inoue, N, ...
Development of the pulse-shape discrimination LSI for Astro-E hard X-ray detector (1996)
Ezawa, H, Hirayama, M, Kamae, T, Kubo, H, Matsuzaki, K, Nagata, K, ...
Yanagihara, H., Sakata, R., Shoyama, Yukihiro, Murakami, H., 正山, 征洋, ...
Temperature greatly affected the growth of Coleus forskohlii plant. The number of leaves and stems increased at higher temperature, whereas 20℃ condition promoted flower production. The higher...
Polynomial Roots from Companion Matrix Eigenvalues (1995)
In classical linear algebra, the eigenvalues of a matrix are sometimes defined as the roots of the characteristic polynomial. An algorithm to compute the roots of a polynomial by computing the...
FK506 and Cyclosporin A Enhance IL-6 Production in Monocytes: A single-Cell Assay (1994)
K. Murayama, M. Sawamura, H. Murakami, J. Tamura, T. Naruse, J. Tsuchiya
The effect of FK506 and cyclosporin A (CsA) on the production of interleukin 6 (IL-6) in adherent monocytes was studied at a single-cell level by the avidinbiotin- peroxidase complex methods. The...
Results of the IAEA/RCA Personal Dosemeter Intercomparison in the Asian and Pacific Region (1994)
Murakami, H., Minami, K., Griffith, R.V.
In 1988, the International Atomic Energy Agency started the Regional Co-operative Agreement project for strengthening the radiation protection infrastructure in the Asian and Pacific region. One...
Characterization of porous silicon by positron annihilation (1993)
Itoh, Y., Murakami, H., Kinoshita, A.
Characterization of porous silicon was performed by means of positron annihilation. Three components of the positron lifetime were observed, one of which was extremely long. The Doppler-broadened...
Characterization of porous silicon by positron annihilation (1993)
Itoh, Y., Murakami, H., Kinoshita, A.
Characterization of porous silicon was performed by means of positron annihilation. Three components of the positron lifetime were observed, one of which was extremely long. The Doppler-broadened...
Characterization of porous silicon by positron annihilation (1993)
Itoh, Y., Murakami, H., Kinoshita, A.
Characterization of porous silicon was performed by means of positron annihilation. Three components of the positron lifetime were observed, one of which was extremely long. The Doppler-broadened...
Neutron Scattering in ORNL'S Calibration Facility (1991)
Liu, J.C., Sims, C.S., Casson, W.H., Murakami, H., Francis, C.
Room scattering corrections for several common neutron detectors in a new neutron calibration facility at the Oak Ridge National Laboratory were measured. Results for three radioisotopic sources in...
Energy and position resolution of silicon calorimeter used in the UA7 experiment (1990)
Bourotte, J, Haguenauer, Maurice, Paré, E, Innocente, Vincenzo, Lanzano, S, Kasahara, K, ...
Antigenic Analysis of fish Viruses with Monoclonal Antibodies (1990)
Kamei, Y., Potey, J.L., Yoshimizu, M., Kimura, T., Yamada, K., Shirahata, S., ...
Signal sequence region of mitochondrial precursor proteins binds to mitochondrial import receptor.
Murakami, H, Blobel, G, Pain, D
An integral mitochondrial membrane protein (p32) of yeast has previously been molecularly cloned and sequenced and suggested to function as a mitochondrial import receptor. However, this protein has...
Ikawa, H, Oka, S, Murakami, H, Hayashi, A, Yano, I
The species of 136 strains of acid-fast bacteria isolated from swine with mycobacteriosis were identified by numerical taxonomy and chemotaxonomy on the basis of mycolic acid subclass composition as...
Kato, Y, Nakashima, K, Iwamoto, M, Murakami, H, Hiranuma, H, Koike, T, ...
The effect of IL-1 on expression of the mineralization-related phenotype by chondrocytes was examined. In cultures of rabbit growth plate chondrocytes, IL-1 beta at 0.1 ng/ml caused 95% decreases in...
Yabusaki, Y, Shimizu, M, Murakami, H, Nakamura, K, Oeda, K, Ohkawa, H
We constructed a full-length cDNA coding for 3-methylcholanthrene-inducible rat liver cytochrome P-450MC by the method of Okayama and Berg. The isolated clone pAU157 contained the cDNA insert of 2.7...
Growth of hybridoma cells in serum-free medium: ethanolamine is an essential component.
Murakami, H, Masui, H, Sato, G H, Sueoka, N, Chow, T P, Kano-Sueoka, T
A serum-free medium supplemented with a few growth factors was devised to grow lymphocyte hybridomas. The medium was developed with the hybridoma line MPC11-BL, a fusion product between a mouse...
Hormonal control of human colon carcinoma cell growth in serum-free medium.
A human colon carcinoma cell line, HC84S, was established in serum-supplemented medium from a colon tumor line T84 transplanted in nude mice. These cells also grew in a serum-free, synthetic medium...
Darfler, F J, Murakami, H, Insel, P A
We have developed a serum-free, chemically defined growth medium containing casein, insulin, transferrin, testosterone, and linoleic acid in Dulbecco's modified Eagle's medium/Ham's F12 medium, 1:1...
Yoshikawa, A, Murakami, H, Nagata, S
The receptor for granulocyte colony-stimulating factor (G-CSFR) is a hemopoietic growth factor receptor, which mediates proliferation and differentiation signals. The cytoplasmic region of G-CSFR...
Monoclonal antibody detection of prolactin-binding subunits in the rabbit mammary gland.
Murakami, H, Ike, F, Kohmoto, K, Sakai, S
The structure of prolactin (PRL) receptor in the rabbit mammary gland was examined using a receptor-specific monoclonal antibody (MAb). The PRL receptor preparation used was purified by making use of...
The cell cycle checkpoint mechanisms ensure the order of cell cycle events to preserve genomic integrity. Among these, the DNA-replication and DNA-damage checkpoints prevent chromosome segregation...
Kakumu, S, Murakami, H, Kuriki, J
(+)Cyanidanol-3, a substance belonging to the flavonoids group, has been used in acute viral hepatitis (AVH) and chronic active liver disease (CALD). Studies were undertaken to determine if...
Yoshioka, K, Kakumu, S, Murakami, H, Fukui, K
The T cell growth factor, interleukin-2 (IL-2), is a lymphokine which supports the immunoregulatory function of T cells. We measured the production of and response to IL-2 of peripheral blood T cell...
Fukui, K, Kakumu, S, Murakami, H, Kuriki, J, Yoshioka, K, Sakamoto, N
We measured Ia antigen bearing peripheral blood T cells, as an index of immunological stimulation, of patients with chronic active liver diseases (CALD) by the rosette assay method. We also examined...
KOBAYASHI, Y, MURAKAMI, H, AKBAR, S M F, MATSUI, H, ONJI, M
Neonatal thymectomy induces autoimmune gastritis (AIG) in 40–70% of BALB/c mice. We presumed that induction of autoimmunity by polyinosinic:polycytidylic acid (poly I:C) might allow development of...
Tsubouchi, E, Akbar, S M F, Murakami, H, Horiike, N, Onji, M
Hepatitis C virus (HCV) RNA has been localized in antigen-presenting dendritic cells (DCs) from patients with chronic hepatitis C (CHC). DCs from patients with CHC also exhibit impaired functional...
MURAKAMI, H, AKBAR, S M F, MATSUI, H, HORIIKE, N, ONJI, M
Patients with chronic hepatitis C (CHC) are unable to prime and maintain vigorous T cell responses that are initiated during the acute phase of hepatitis C virus (HCV) infection. As dendritic cells...
TAMURA, J, KUBOTA, K, MURAKAMI, H, SAWAMURA, M, MATSUSHIMA, T, TAMURA, T, ...
It has been suggested that vitamin B12 (vit.B12) plays an important role in immune system regulation, but the details are still obscure. In order to examine the action of vit.B12 on cells of the...
MURAKAMI, H, AKBAR, S M F, MATSUI, H, HORIIKE, N, ONJI, M
The level of macrophage migration inhibitory factor (MIF) and the functions of dendritic cells (DC) are up-regulated in the peripheral blood, and the numbers of MIF-expressing cells and mature DC are...
Effects of 12 months of exercise training on salivary secretory IgA levels in elderly subjects
Akimoto, T, Kumai, Y, Akama, T, Hayashi, E, Murakami, H, Soma, R, ...
Background: The immune system declines in efficiency with advancing age, making the elderly less resistant to pathogenic microorganisms. Upper respiratory tract infection (URTI) is a common illness....
Vasko, V, Saji, M, Hardy, E, Kruhlak, M, Larin, A, Savchenko, V, ...
Introduction: Akt activation is involved in the pathogenesis of inherited thyroid cancer in Cowden's syndrome and in sporadic thyroid cancers. In cell culture, Akt regulates thyroid cell growth and...
FK506 and Cyclosporin A Enhance IL-6 Production in Monocytes: A single-Cell Assay
Murayama, K., Sawamura, M., Murakami, H., Tamura, J., Naruse, T., Tsuchiya, J.
The effect of FK506 and cyclosporin A (CsA) on the production of interleukin 6 (IL-6) in adherent monocytes was studied at a single-cell level by the avidinbiotin- peroxidase complex methods. The...
Ohmura, E., Wakai, K., Isozaki, O., Murakami, H., Onoda, N., Emoto, N., ...
The effects of cholera toxin (CT) and 8-chloro-cAMP (8-Cl-cAMP) on cell growth were investigated using two human pancreatic carcinoma cell lines (MIA PaCa-2, Panc-1). CT, which catalyses the ADP...
Ishikawa, T., Furihata, M., Ohtsuki, Y., Murakami, H., Inoue, A., Ogoshi, S.
The relationship between aberrant expression of cyclin D1 and retinoblastoma (RB) protein and clinicopathological factors was investigated in 80 patients with oesophageal SCC using...
Yamamoto, H, Nakayama, T, Murakami, H, Hosaka, T, Nakamata, T, Tsuboyama, T, ...
Recent studies have revealed the evidence for the significance of SV40 genome in human malignancies. In this paper, the presence of SV40-like sequences was investigated in 54 Japanese osteosarcomas...