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11 results on '"SAITO, SHINYA"'

1. Development and verification of signal processing system of avalanche photo diode for the active shields onboard ASTRO-H

Author

Shirakawa, H., Ohashi, N., Okada, C., Miyake, K., Ono, K., Kato, Y., Furuta, Y., Murota, Y., Okuda, K., Wada, Y., Kinoshita, M., Uchiyama, H., Ohno, Masanori, Kawano, Takafumi, Edahiro, Ikumi, Habata, Sho, Katsuta, Junichiro, Tanaka, Yasuyuki, Takahashi, Hiromitsu, Mizuno, Tsunefumi, Fukazawa, Yasushi, Murakami, Hiroaki, Kobayashi, Shogo, Miyake, Katsuma, Nakazawa, Kazuhiro, Mimura, Taketo, Kataoka, Jun, Ichinohe, Yuto, Uchida, Yusuke, Katsuragawa, Miho, Yoneda, Hiroki, Sato, Goro, Sato, Rie, Kawaharada, Madoka, Harayama, Atsushi, Odaka, Hirokazu, Hayashi, Katsuhiro, Ohta, Masayuki, Watanabe, Shin, Kokubun, Motohide, Takahashi, Tadayuki, Takeda, Shin'ichiro, Yamaoka, Kazutaka, Tajima, Hiroyasu, Yatsu, Yoichi, Saito, Shinya, Yuasa, Takayuki, and Makishima, Kazuo

Subjects
Signal processing, Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, Astrophysics::High Energy Astrophysical Phenomena, Shields, Scintillator, 01 natural sciences, law.invention, Optics, law, 0103 physical sciences, Shielded cable, 010303 astronomy & astrophysics, Instrumentation, ASTRO-H, Physics, 010308 nuclear & particles physics, business.industry, Detector, APD, Avalanche photodiode, business, Active shield, Sensitivity (electronics), Energy (signal processing)
Abstract

著者人数: 47名, Accepted: 2016-04-18, 資料番号: SA1160285000

Published
2016
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2. The Si/CdTe semiconductor camera of the ASTRO-H Hard X-ray Imager (HXI)

Author

Kanematsu, Hironori, Miyake, Katsuma, Murakami, Hiroaki, Nakano, Toshio, Sato, Goro, Hagino, Kouichi, Watanabe, Shin, Genba, Kei, Harayama, Atsushi, Kataoka, Jun, Katsuragawa, Miho, Kawaharada, Madoka, Kobayashi, Shogo, Kokubun, Motohide, Kuroda, Yoshikatsu, Makishima, Kazuo, Masukawa, Kazunori, Mimura, Taketo, Nakazawa, Kazuhiro, Noda, Hirofumi, Odaka, Hirokazu, Onishi, Mitsunobu, Saito, Shinya, Sato, Rie, Sato, Tamotsu, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Takeda, Shin'ichiro, and Yuasa, Takayuki

Subjects
Semiconductor detector, Silicon, Nuclear and High Energy Physics, ASTRO-H HXI, Reflecting telescope, 02 engineering and technology, Integrated circuit, STRIPS, 01 natural sciences, law.invention, 010309 optics, Optics, law, 0103 physical sciences, Strip detector, Instrumentation, Electronic circuit, Physics, business.industry, Detector, CdTe, 021001 nanoscience & nanotechnology, Cadmium telluride photovoltaics, Semiconductor, Optoelectronics, Hard X-ray detector, 0210 nano-technology, business
Abstract

著者人数: 30名, Accepted: 2016-03-11, 資料番号: SA1160140000

Published
2016
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3. In-orbit performance and calibration of the Hard X-ray Imager onboard Hitomi (ASTRO-H)

Author

Laurent, Philippe, Lebrun, Francois, Limousin, Olivier, Maier, Daniel, Miyake, Katzuma, HXI, Team, Hagino, Kouichi, Nakazawa, Kazuhiro, Sato, Goro, Kokubun, Motohide, Enoto, Teruaki, Fukazawa, Yasushi, Hayashi, Katsuhiro, Kataoka, Jun, Katsuta, Junichiro, Kobayashi, Shogo, Makishima, Kazuo, Mimura, Taketo, Mizuno, Tsunefumi, Mori, Kunishiro, Murakami, Hiroaki, Nakamori, Takeshi, Nakano, Toshio, Noda, Hirofumi, Odaka, Hirokazu, Ohno, Masanori, Ohta, Masayuki, Saito, Shinya, Sato, Rie, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Takeda, Shin'ichiro, Tanaka, Takaaki, Terada, Yukikatsu, Uchiyama, Hideki, Uchiyama, Yasunobu, Watanabe, Shin, Yamaoka, Kazutaka, Yatsu, Yoichi, Yuasa, Takayuki, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
spectroscopy, 010504 meteorology & atmospheric sciences, Astrophysics::High Energy Astrophysical Phenomena, Imaging spectrometer, FOS: Physical sciences, Field of view, semiconductors, x-rays, Scintillator, 01 natural sciences, law.invention, Telescope, satellites, Optics, law, 0103 physical sciences, Calibration, Angular resolution, Instrumentation and Methods for Astrophysics (astro-ph.IM), Instrumentation, ComputingMilieux_MISCELLANEOUS, 0105 earth and related environmental sciences, [PHYS]Physics [physics], Physics, 010308 nuclear & particles physics, business.industry, Mechanical Engineering, Detector, imaging, Astronomy and Astrophysics, Electronic, Optical and Magnetic Materials, astronomy, Imaging spectroscopy, Space and Planetary Science, Control and Systems Engineering, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], business, Astrophysics - Instrumentation and Methods for Astrophysics
Abstract

著者人数: 40名ほか, Accepted: 2018-03-09, 資料番号: SA1170325000

Published
2018
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4. Design and performance of Soft Gamma-ray Detector onboard the Hitomi (ASTRO-H) satellite

Author

Blandford, Roger, Goldwurm, Andrea, Laurent, Philippe, Lebrun, Francois, Limousin, Olivier, Madejski, Grzegorz, Tajima, Hiroyasu, Watanabe, Shin, Fukazawa, Yasushi, Enoto, Teruaki, Hagino, Kouichi, Hayashi, Katsuhiro, Ichinohe, Yuto, Kataoka, Jun, Katsuta, Junichiro, Kitaguchi, Takao, Kokubun, Motohide, Makishima, Kazuo, Mizuno, Tsunefumi, Mori, Kunishiro, Nakamori, Takeshi, Nakano, Toshio, Nakazawa, Kazuhiro, Noda, Hirofumi, Odaka, Hirokazu, Ohno, Masanori, Ohta, Masayuki, Saito, Shinya, Sato, Goro, Sato, Rie, Takeda, Shin'ichiro, Takahashi, Hiromitsu, Takahashi, Tadayuki, Tanaka, Takaaki, Tanaka, Yasuyuki, Terada, Yukikatsu, Uchiyama, Hideki, Uchiyama, Yasunobu, Yamaoka, Kazutaka, Yatsu, Yoichi, Yonetoku, Daisuke, Yuasa, Takayuki, Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Stanford University, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Stanford University [Stanford], Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, and Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Astrophysics::High Energy Astrophysical Phenomena, Shields, Field of view, x-rays, 01 natural sciences, 010309 optics, satellites, 0103 physical sciences, Gamma ray detectors, 010303 astronomy & astrophysics, Instrumentation, ComputingMilieux_MISCELLANEOUS, Remote sensing, detectors, Physics, [PHYS]Physics [physics], Spacecraft, business.industry, Mechanical Engineering, Detector, polarimeters, Astrophysics::Instrumentation and Methods for Astrophysics, Astronomy and Astrophysics, Polarimeter, Polarization (waves), Electronic, Optical and Magnetic Materials, gamma rays, astronomy, Crab Nebula, Space and Planetary Science, Control and Systems Engineering, business, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract

著者人数: 42名, Accepted: 2018-03-19, 資料番号: SA1170324000

Published
2018
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5. Fine-Pitch Semiconductor Detector for the FOXSI Mission

Author

Krucker, S., Christe, S., McBride, S., Glesener, L., Ishikawa, Shin-nosuke, Saito, Shinya, Tajima, H., Tanaka, T., Watanabe, Shin, Odaka, Hirokazu, Fukuyama, Taro, Kokubun, Motohide, Takahashi, Tadayuki, and Terada, Yukikatsu

Subjects
Physics, Nuclear and High Energy Physics, Sounding rocket, Physics::Instrumentation and Detectors, business.industry, Detector, X-ray detector, FOS: Physical sciences, X-ray optics, Semiconductor detector, Particle acceleration, Optics, Astrophysics - Solar and Stellar Astrophysics, Nuclear Energy and Engineering, Focal length, Electrical and Electronic Engineering, Astrophysics - Instrumentation and Methods for Astrophysics, business, Instrumentation and Methods for Astrophysics (astro-ph.IM), Sensitivity (electronics), Solar and Stellar Astrophysics (astro-ph.SR)
Abstract

著者人数: 14名, Accepted: 2011-05-02, 資料番号: SA1003248000

Published
2011

6. Hard x-ray imager onboard Hitomi (ASTRO-H)

Author

Laurent, Philippe, Lebrun, Francois, Limousin, Olivier, Maier, Daniel, Nakazawa, Kazuhiro, Sato, Goro, Kokubun, Motohide, Enoto, Teruaki, Fukazawa, Yasushi, Hagino, Kouichi, Hayashi, Katsuhiro, Kataoka, Jun, Katsuta, Junichiro, Kobayashi, Shogo, Makishima, Kazuo, Mizuno, Tsunefumi, Mori, Kunishiro, Nakamori, Takeshi, Nakano, Toshio, Noda, Hirofumi, Odaka, Hirokazu, Ohno, Masanori, Ohta, Masayuki, Saito, Shinya, Sato, Rie, Tajima, Hiroyasu, Takahashi, Hiromitsu, Takahashi, Tadayuki, Takeda, Shin'ichiro, Tanaka, Takaaki, Terada, Yukikatsu, Uchiyama, Hideki, Uchiyama, Yasunobu, Watanabe, Shin, Yamaoka, Kazutaka, Yatsu, Yoichi, Yuasa, Takayuki, Department of Physics, Tohoku University [Sendai], Département d'Astrophysique (ex SAP) (DAP), Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, AstroParticule et Cosmologie (APC (UMR_7164)), Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Research Institute for Science and Engineering, Waseda University, Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Waseda University [Tokyo, Japan], Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Observatoire de Paris, and PSL Research University (PSL)-PSL Research University (PSL)-Université Paris Diderot - Paris 7 (UPD7)

Subjects
x-rays, Scintillator, 01 natural sciences, satellites, Optics, Observatory, 0103 physical sciences, Focal length, 010303 astronomy & astrophysics, Instrumentation, ComputingMilieux_MISCELLANEOUS, detectors, [PHYS]Physics [physics], Physics, COSMIC cancer database, 010308 nuclear & particles physics, business.industry, Mechanical Engineering, Antenna aperture, Detector, Astronomy and Astrophysics, Electronic, Optical and Magnetic Materials, gamma rays, astronomy, Imaging spectroscopy, Semiconductor, Space and Planetary Science, Control and Systems Engineering, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph], business
Abstract

著者人数: 37名, Accepted: 2018-03-09, 資料番号: SA1170326000

Published
2018
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7. Mapping Brain Region Activity during Chewing: A Functional Magnetic Resonance Imaging Study

Author

Yoshiyuki Hirano, Saito Shinya, Katsuhiro Nishiyama, Kazuko Watanabe, Masahiro Fujita, Masami Niwa, and Minoru Onozuka

Subjects
Adult, Male, 0301 basic medicine, Cerebellum, Thalamus, Brain mapping, Bite Force, Chewing Gum, 03 medical and health sciences, 0302 clinical medicine, stomatognathic system, medicine, Humans, General Dentistry, Mastication, Cerebral Cortex, Analysis of Variance, Brain Mapping, medicine.diagnostic_test, Supplementary motor area, business.industry, digestive, oral, and skin physiology, 030206 dentistry, Human brain, Anatomy, Magnetic Resonance Imaging, Oxygen, stomatognathic diseases, 030104 developmental biology, medicine.anatomical_structure, nervous system, Cerebrovascular Circulation, Female, Functional magnetic resonance imaging, business, Insula, Neuroscience
Abstract

Mastication has been suggested to increase neuronal activities in various regions of the human brain. However, because of technical difficulties, the fine anatomical and physiological regions linked to mastication have not been fully elucidated. Using functional magnetic resonance imaging during cycles of rhythmic gum-chewing and no chewing, we therefore examined the interaction between chewing and brain regional activity in 17 subjects (aged 20-31 years). In all subjects, chewing resulted in a bilateral increase in blood oxygenation level-dependent (BOLD) signals in the sensorimotor cortex, supplementary motor area, insula, thalamus, and cerebellum. In addition, in the first three regions, chewing of moderately hard gum produced stronger BOLD signals than the chewing of hard gum. However, the signal was higher in the cerebellum and not significant in the thalamus, respectively. These results suggest that chewing causes regional increases in brain neuronal activities which are related to biting force.

Published
2002
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8. Fracture analyses using spring networks with random geometry

Author

John E. Bolander and Saito Shinya

Subjects
Materials science, Random geometry, Discretization, business.industry, Mechanical Engineering, Isotropy, Spring system, Structural engineering, Physics::Geophysics, Rendering (computer graphics), Mechanics of Materials, Homogeneous, Effective method, General Materials Science, Voronoi diagram, business
Abstract

Rigid-body-spring networks are used to model brittle fracture in homogeneous, isotropic materials. Discretization is based on Voronoi diagrams with random geometry. Methods are given for ensuring elastic uniformity and maximizing the degree of isotropy with respect to potential crack direction. A method for rendering ordinary beam-spring networks elastically uniform is also given. Model abilities to predict crack patterns are demonstrated through analyses of mixed mode fracture in cement mortar panels and shear failure in reinforced concrete beams. The latter example utilizes an effective method for introducing continuous reinforcement into random geometry beam-spring networks.

Published
1998
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9. Age-related changes in brain regional activity during chewing: a functional magnetic resonance imaging study

Author

Masami Niwa, Kazuko Watanabe, Saito Shinya, Masahiro Fujita, Minoru Onozuka, Yoshiyuki Hirano, and Katsuhiro Nishiyama

Subjects
0301 basic medicine, Adult, Male, Cerebellum, Aging, Thalamus, Physiology, Prefrontal Cortex, Chewing Gum, 03 medical and health sciences, 0302 clinical medicine, medicine, Image Processing, Computer-Assisted, Premovement neuronal activity, Humans, General Dentistry, Aged, Cerebral Cortex, Analysis of Variance, medicine.diagnostic_test, Supplementary motor area, business.industry, digestive, oral, and skin physiology, Motor Cortex, Brain, Magnetic resonance imaging, 030206 dentistry, Somatosensory Cortex, Middle Aged, Magnetic Resonance Imaging, 030104 developmental biology, medicine.anatomical_structure, Mastication, Female, Analysis of variance, Functional magnetic resonance imaging, business, Insula
Abstract

Age-related changes in mastication-induced brain neuronal activity have been suggested. However, in humans, little is known about the anatomical regions involved. Using fMRI during cycles of rhythmic gum-chewing and no chewing, we have examined the effect of aging on brain regional activity during chewing in young adult (19–26 yrs), middle-aged (42–55 yrs), and aged (65–73 yrs) healthy humans. In all subjects, chewing resulted in a bilateral increase in the BOLD signals in the sensorimotor cortex, cerebellum, thalamus, supplementary motor area, and insula, and a unilateral increase in the right prefrontal area. In the first three regions, the signal increases were attenuated in an age-dependent manner, whereas, in the right prefrontal area, the converse was seen. The remaining two regions showed no significant differences with ages. These results indicate that chewing causes regional increases in neuronal activity in the brain, some of which are age-dependent.

Published
2003

10. FIRST IMAGES FROM THE FOCUSING OPTICS X-RAY SOLAR IMAGER

Author

Krucker, Sam, Christe, Steven, Glesener, Lindsay, Ramsey, Brian, Gubarev, Mikhail, Kilaru, Kiranmayee, Turin, Paul, McBride, Stephen, Glaser, David, Fermin, Jose, White, Stephen, Lin, Robert, Ishikawa, Shin-nosuke, Takahashi, Tadayuki, Watanabe, Shin, Saito, Shinya, Tajima, Hiroyasu, and Tanaka, Takaaki

Subjects
Sun: flares, Physics, Sounding rocket, Solar flare, Sun: corona, business.industry, Dynamic range, Payload, Detector, X-ray detector, Astronomy and Astrophysics, instrumentation: miscellaneous, Imaging spectroscopy, Optics, Space and Planetary Science, QUIET, business, Sun: X-rays
Abstract

著者人数: 18名, Accepted: 2014-08-29, 資料番号: SA1140159000

Published
2014
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11. Cyclooxygenase-2 overexpression correlates with tumour recurrence, especially haematogenous metastasis, of colorectal cancer

Author

Joji Kitayama, Kenji Hatano, Saito Shinya, Eiji Sunami, Takashi Tsuruo, Nelson H. Tsuno, Hirokazu Nagawa, Yoichi Shibata, Takuya Osada, and Shigeru Tomozawa

Subjects
Male, Cancer Research, Pathology, medicine.medical_specialty, Stromal cell, recurrence, haematogenous metastasis, Colorectal cancer, colorectal cancer, Mouse model of colorectal and intestinal cancer, medicine.disease_cause, Disease-Free Survival, Metastasis, medicine, Carcinoma, Odds Ratio, Humans, Aged, business.industry, Cancer, Membrane Proteins, Regular Article, Middle Aged, COX-2, medicine.disease, Immunohistochemistry, Up-Regulation, Gene Expression Regulation, Neoplastic, Isoenzymes, Oncology, Cyclooxygenase 2, Prostaglandin-Endoperoxide Synthases, Cancer cell, Cancer research, Female, Neoplasm Recurrence, Local, business, Carcinogenesis, Colorectal Neoplasms
Abstract

Epidemiological studies have demonstrated that nonsteroidal anti-inflammatory drugs (NSAIDs), known to inhibit cyclooxygenase (COX), reduce the risk of colorectal cancer. COX is a key enzyme in prostaglandin biosynthesis, and two isoforms of COX, COX-1 and COX-2, have been identified. Recently COX-2 has been reported to frequently overexpress in colorectal neoplasms and to play a role in colorectal tumorigenesis and tumour progression. In this study, using immunohistochemistry, we examined COX-2 expression in advanced human colorectal cancer and its correlation with clinicopathological features. COX-2 expression was observed mainly in the cytoplasm of cancer cells in all the specimens examined, but some stromal cells and endothelial cells were also stained. According to the grade of COX-2 expression of the cancer cells, patients were divided into high- and low-COX-2 expression groups. High-COX-2 expression significantly correlated with tumour recurrence, especially haematogenous metastasis. These results suggest that a selective COX-2 inhibitor can be a novel class of therapeutic agents not only for tumorigenesis but also for haematogenous metastasis of cololectal cancer. To our knowledge, this is the first report on the correlation between COX-2 overexpression and recurrence of colorectal cancer. © 2000 Cancer Research Campaign

Published
2000

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