56 Result(s)

Chapter and Conference Paper

Ablation Measurements in a Low-Density Heat Shield Using Ablation Sensor Unit (ASU)

The detection performance of an ablation sensor, named Ablation Sensor Unit (ASU), which can measure surface recession, thermal decomposition of resin, and temperature of an ablative heat shield material, is d...

Y. Dantsuka, T. Sakai, K. Iwamoto, Y. Ishida… in 31st International Symposium on Shock Wave… (2019)

Article

Parametric Study on a Sinusoidal Riblet for Drag Reduction by Direct Numerical Simulation

The direct numerical simulation of fully developed turbulent channel flow with a sinusoidal riblet surface has been carried out at the friction Reynolds number of 110. Lateral spacing of adjacent walls in a si...

M. Sasamori, O. Iihama, H. Mamori, K. Iwamoto, A. Murata in Flow, Turbulence and Combustion (2017)

Article

Experimental study on drag-reduction effect due to sinusoidal riblets in turbulent channel flow

The drag-reduction effect of a three-dimensional sinusoidal riblet surface is experimentally evaluated in a fully developed turbulent channel flow. The lateral spacing of the adjacent walls of the riblet is v...

M. Sasamori, H. Mamori, K. Iwamoto, A. Murata in Experiments in Fluids (2014)

Article

Momentum dependence of spin polarization for beta emitting nuclei produced through charge exchange reaction at intermediate energy

In order to investigate the polarization process in charge exchange reactions, we observed the momentum and angular distribution as well as the nuclear polarization of a proton-rich beta-emitting nucleus, ²⁸P (I ...

S. Momota, M. Mihara, D. Nishimura, M. Fukuda, Y. Kamisho… in Hyperfine Interactions (2013)

Article

Production of spin polarized ¹²N through heavy ion reactions

Production of spin polarized short-lived nucleus ¹²N (I ^π = 1⁺, T _1/2 = 11 ms) using heavy ion reactions at intermediate energies has been per...

M. Mihara, K. Matsuta, D. Nishimura, M. Fukuda, M. Yaguchi… in Hyperfine Interactions (2013)

Article

Spin polarization of ²⁹P produced through low energy nuclear reaction

Spin polarization of short-lived β-emitting nucleus ²⁹P (I ^π = 1/2⁺, T _1/2 = 4.14 s) produced through the ²⁸P(d, n) ²⁹P reaction was studied a...

M. Yaguchi, M. Mihara, M. Fukuda, D. Nishimura, H. Uenishi… in Hyperfine Interactions (2013)

Article

Measuring RNA editing of serotonin 2C receptor

Pre-mRNA of serotonin 2C receptor (HTR2C, 5-hydroxytryptamine (serotonin) receptor 2C) undergoes A-to-I type RNA editing, which is a post-transcriptional event leading to the change of genomically encoded informa...

K. Iwamoto, M. Bundo, K. Kasai, T. Kato in Biochemistry (Moscow) (2011)

Article

The role of microRNA-150 as a tumor suppressor in malignant lymphoma

MicroRNA (miRNA; miR) is a class of small regulatory RNA molecules, the aberrant expression of which can lead to the development of cancer. We recently reported that overexpression of miR-21 and/or miR-155 lea...

A Watanabe, H Tagawa, J Yamashita, K Teshima, M Nara, K Iwamoto, M Kume… in Leukemia (2011)

Chapter and Conference Paper

Numerical simulation for synchronization of excitatory action between beating cells

The isolated beating cells have different intrinsic excitatory period interval with fluctuation. The excitatory conduction between the beating cells synchronizes with time when such beating cells formed a cell...

H. Hamada, A. Tada, K. Iwamoto, M. Okamoto in World Congress on Medical Physics and Biom… (2010)

Article

Direct-puncture approach to the extraconal portion of the superior ophthalmic vein for carotid cavernous fistulae

The transvenous approach via the superior ophthalmic vein (SOV) is an available approach for carotid cavernous fistula (CCF), especially in the event that there is no other suitable approach route to the fistu...

A. Kurata, S. Suzuki, K. Iwamoto, T. Miyazaki, M. Inukai, K. Abe, J. Niki… in Neuroradiology (2009)

Article

Improvement of compactin (ML-236B) production by genetic engineering in compactin high-producing Penicillium citrinum

An increase in compactin (ML-236B) production was achieved by introducing a whole compactin biosynthetic gene cluster or the regulatory gene mlcR into compactin high-producing Penicillium citrinum. In the previou...

S. Baba, Y. Abe, T. Suzuki, C. Ono, K. Iwamoto… in Applied Microbiology and Biotechnology (2009)

Article

Aberrant DNA methylation associated with bipolar disorder identified from discordant monozygotic twins

To search DNA methylation difference between monozygotic twins discordant for bipolar disorder, we applied a comprehensive genome scan method, methylation-sensitive representational difference analysis (MS-RDA...

G Kuratomi, K Iwamoto, M Bundo, I Kusumi, N Kato, N Iwata, N Ozaki… in Molecular Psychiatry (2008)

Article

Dissociation channels of silver bromide cluster Ag₂Br, silver cluster Ag₃ and their ions studied by using alkali metal target

Various dissociation channels of silver bromide cluster ion Ag₂Br⁺ and silver cluster ion Ag₃ ⁺ were observed in high-energy collisionally-activated dissociation (CAD) using a Cs target. The fr...

H. Nagao, K. Awazu, S. Hayakawa, K. Iwamoto, M. Toyoda… in The European Physical Journal D (2007)

Chapter and Conference Paper

POD analysis of large-scale structures through DNS of turbulent plane Couette flow

T. Tsukahara, K. Iwamoto, H. Kawamura in Advances in Turbulence XI (2007)