Toshikazu Suzuki

Thermal-noise-limited underground interferometer CLIO (2009)

Agatsuma, Kazuhiro, Arai, Koji, Fujimoto, Masa-Katsu, Kawamura, Seiji, Kuroda, Kazuaki, Miyakawa, Osamu, ...

We report on the current status of CLIO (Cryogenic Laser Interferometer Observatory), which is a prototype interferometer for LCGT (Large scale Cryogenic Gravitational-wave Telescope). LCGT is a...

Detecting Free-Mass Common-Mode Motion Induced by Incident Gravitational Waves: Testing General Relativity and Source Direction via Fox-Smith and Michelson Interferometers (2009)

Tobar, Michael Edmund, Suzuki, Toshikazu, Kuroda, Kazuaki

In this paper we show that information on both the differential and common mode free-mass response to a gravitational wave can provide important information on discriminating the direction of the...

Search for continuous gravitational waves from PSR J0835-4510 using CLIO data (2008)

Akutsu, Tomomi, Ando, Masaki, Haruyama, Tomiyoshi, Kanda, Nobuyuki, Kuroda, Kazuaki, Miyoki, Shinji, ...

We search for continuous gravitational waves from PSR J0835-4510 at twice its rotational frequency using CLIO (Cryogenic Laser Interferometric Observatory) in the Kamioka mine. In this search, we use...

Conduction Effect of Thermal Radiation in a Metal Shield Pipe in a Cryostat for a Cryogenic Interferometric Gravitational Wave Detector (2007)

Tomaru, Takayuki, Tokunari, Masao, Kuroda, Kazuaki, Uchiyama, Takashi, Okutomi, Akira, Ohashi, Masatake, ...

A large heat load caused by thermal radiation through a metal shield pipe was observed in a cooling test of a cryostat for a prototype of a cryogenic interferometric gravitational wave detector. The...

A 1R/1W SRAM Cell Design to Keep Cell Current and Area Saving against Simultaneous Read/Write Disturbed Accesses (2007)

YAMAUCHI, Hiroyuki, SUZUKI, Toshikazu, YAMAGAMI, Yoshinobu

A guarantee obligation of keeping a Static-Noise-Margin (SNM), a Write-Margin (WRTM), and a cell current (Icell) even against a simultaneous Read/Write (R/W) disturbed access at the same column is...

A Differential Cell Terminal Biasing Scheme Enabling a Stable Write Operation against a Large Random Threshold Voltage (Vth) Variation (2006)

YAMAUCHI, Hiroyuki, SUZUKI, Toshikazu, YAMAGAMI, Yoshinobu

Fundamental limitation on assisting a write margin (WRTM) by reducing the cell terminal bias (VDDM) [1], [2] has been made clear for the first time and the new cell terminal biasing scheme featuring...

Measurement of the mechanical loss of a cooled reflective coating for gravitational wave detection (2006)

Yamamoto, Kazuhiro, Miyoki, Shinji, Uchiyama, Takashi, Ishitsuka, Hideki, Ohashi, Masatake, Kuroda, Kazuaki, ...

We have measured the mechanical loss of a dielectric multilayer reflective coating (ion-beam sputtered SiO$_2$ and Ta$_2$O$_5$) in cooled mirrors. The loss was nearly independent of the temperature...

Results of the search for inspiraling compact star binaries from TAMA300's observation in 2000-2004 (2006)

Akutsu, Tomomi, Akutsu, Tomotadu, Ando, Masaki, Arai, Koji, Araya, Akito, Asada, H., ...

We analyze the data of the TAMA300 detector to search for gravitational waves from inspiraling compact star binaries with masses of the component stars in the range 1M[sun]–3M[sun]. In this...

0.3-1.5 V Embedded SRAM Core with Write-Replica Circuit Using Asymmetrical Memory Cell and Source-Level-Adjusted Direct-Sense-Amplifier (2005)

SUZUKI, Toshikazu, YAMAGAMI, Yoshinobu, HATANAKA, Ichiro, SHIBAYAMA, Akinori, AKAMATSU, Hironori, YAMAUCHI, Hiroyuki

This paper describes the access-timing control for an embedded SRAM core which operates in low and wide supply voltage (Vdd = 0.3–1.5 V). In the conventional SRAMs, a wiring-replica with...

Involvement of Human Small Fragment Nuclease in the Resistance of Human Cells to UV-C–induced Cell Death¶ (2004)

Seiro Ito, Kazuko Kita, Ling Zhai, Chieko Wano, Toshikazu Suzuki, Akira Yamaura, ...

Human small fragment nuclease (Sfn) is one of the cellular proteins that were reported to degrade small, single-stranded DNA and RNA. However, the biological role of Sfn in cellular response to...

Laser Stripping via a Broad Stark State for a High-Intensity Proton Ring (2002)

Yamane, Isao, Suzuki, Toshikazu, Takayama, Ken

A new type of charge-exchange injection scheme for high-intensity proton rings that use a laser beam and an undulator magnet is proposed. The elementary stripping process is resonant photoionization...

Evaluation of the Performance of Polished Mirror Surfaces for the TAMA Gravitational Wave Detector by Use of a Wave-Front Tracing Simulation (2002)

Tomaru, Takayuki, Miyoki, Shinji, Ohashi, Masatake, Kuroda, Kazuaki, Uchiyama, Takashi, Suzuki, Toshikazu, ...

We evaluated the performance of polished mirror surfaces for the TAMA interferometric gravitational wave detector by comparing the experimental results with a wave-front tracing simulation. The TAMA...

A New Species in the Genus Cyrtostrombidium (Ciliophora, Oligotrichia, Oligotrichida): its Morphology, Seasonal Cycle and Resting Stage (2002)

YOUNG-OK KIM, TOSHIKAZU SUZUKI, AKIRA TANIGUCHI

Cysts of an oligotrich ciliate were collected from natural sediment samples in Onagawa Bay, northeastern coast of Japan, and examined for their excystment capability. A high excystment ratio was...

Thermal lensing in cryogenic sapphire substrates (2002)

Tomaru, Takayuki, Suzuki, Toshikazu, Miyoki, Shinji, Uchiyama, Takashi, Taylor, C. T., Yamamoto, Akira, ...

We report the reduction of the thermal lensing in cryogenic sapphire mirrors, which is planed to be used in the Large scale Cryogenic Gravitational wave Telescope (LCGT) project. We measured three...

Binding of 5-bromouracil-containing S/MAR DNA to the Nuclear Matrix (2002)

Ogino, Hideki, Fujii, Michihiko, Satou, Wataru, Suzuki, Toshikazu, Michishita, Eriko, Ayusawa, Dai

Substitution of thymine with 5-bromouracil in DNA is known to change interaction between DNA and proteins, thereby inducing various biological phenomena. We hypothesize that A/T-rich scaffold/nuclear...

The Human MYOD1 Transgene Is Suppressed by 5-Bromodeoxyuridine in Mouse Myoblasts (2002)

Ogino, Hideki, Satou, Wataru, Fujii, Michihiko, Suzuki, Toshikazu, He, Yuan, Michishita, Eriko, ...

5-Bromodeoxyuridine (BrdU) immediately and clearly suppresses expression of the mouse Myod1 and human MYOD1 genes in myoblastic cells. Despite various studies, its molecular mechanism remains...

Cryogenic measurement of the optical absorption coefficient in sapphire crystals at 1.064(micro)m for the Large-scale Cryogenic Gravitational wave Telescope (2001)

Tomaru, Takayuki, Uchiyama, Takashi, Tatsumi, Daisuke, Miyoki, Shinji, Ohashi, Masatake, Kuroda, Kazuaki, ...

We have applied laser calorimetry to the measurement of optical absorption in mono-crystalline sapphire at cryogenic temperatures. Sapphire is a promising candidate for the mirror substrates of the...

5-Bromodeoxyuridine Induces Senescence-Like Phenomena in Mammalian Cells Regardless of Cell Type or Species (1999)

Eriko, Michishita, Nakabayashi, Kazuhiko, Suzuki, Toshikazu, Kaul, Sunil C., Ogino, Hideki, Fujii, Michihiko, ...

5-Bromodeoxyuridine was found to induce flat and enlarged cell shape, characteristics of senescent cells, and senescence-associated /J-galactosidase in mammalian cells regardless of cell type or...

Clustering of Human Chromosome Fragments on the Mouse Genome by Chromosome-Mediated Gene Transfer (1998)

Ogino, Hideki, Nakabayashi, Kazuhiko, Michishita, Eriko, Scherer, Stephen W., Fujii, Michihiko, Suzuki, Toshikazu, ...

Pieces of metaphase chromosomes prepared from mouse cells containing neo-tagged human chromosome 7 were transferred to mouse cells with calcium phosphate to isolate G418-resistant clones. FISH...

Reduction of Caveolin-1 Expression in Tumorigenic Human Cell Hybrids (1998)

Suzuki, Toshikazu, Suzuki, Yasuyuki, Hanada, Kentaro, Hashimoto, Akihiro, Redpath, J. Leslie, Stanbridge, Eric J., ...

Studies on human cell hybrids of a cervical carcinoma cell line, HeLa, and normal fibroblasts have indicated that the tumorigenicity of these cells is under the control of a putative tumor suppressor...

新規強心剤Denopamineの代謝に関する研究

鈴木, 利一, Suzuki, Toshikazu

修了年:-/学位:千大院博乙第29号/抄録:-

基本研究の展開 : 突然変異説のアンチテーゼから進化医学の創造へ : ストレス状態によるヒト遺伝子構造の変動調節機能の発見

鈴木, 信夫, スズキ, ノブオ, Suzuki, Nobuo, 喜多, 和子, キタ, カズコ, Kita, Kazuko, ...

We previously found that in human cells, interferons suppress mutagenic events, possibly via protease activation. Based on this finding we evaluated the physiological functions that supervise the...

基本研究の展開 : 突然変異説のアンチテーゼから進化医学の創造へ : ストレス状態によるヒト遺伝子構造の変動調節機能の発見(研究紹介 : 環境影響生化学 その1)

鈴木, 信夫, スズキ, ノブオ, Suzuki, Nobuo, 喜多, 和子, キタ, カズコ, Kita, Kazuko, ...

We previously found that in human cells, interferons suppress mutagenic events, possibly via protease activation. Based on this finding we evaluated the physiological functions that supervise the...

基本研究の展開 : 突然変異説のアンチテーゼから進化医学の創造へ : ストレス状態によるヒト遺伝子構造の変動調節機能の発見(研究紹介 : 環境影響生化学 その1)

鈴木, 信夫, スズキ, ノブオ, Suzuki, Nobuo, 喜多, 和子, キタ, カズコ, Kita, Kazuko, ...

We previously found that in human cells, interferons suppress mutagenic events, possibly via protease activation. Based on this finding we evaluated the physiological functions that supervise the...

基本研究の展開 : 突然変異説のアンチテーゼから進化医学の創造へ : ストレス状態によるヒト遺伝子構造の変動調節機能の発見(研究紹介 : 環境影響生化学 その1)

鈴木, 信夫, スズキ, ノブオ, Suzuki, Nobuo, 喜多, 和子, キタ, カズコ, Kita, Kazuko, ...

We previously found that in human cells, interferons suppress mutagenic events, possibly via protease activation. Based on this finding we evaluated the physiological functions that supervise the...