K. Hashimoto

Publication List Details

Period

1980 - 2009

Number

120

Co-Authors

Evolution of the Fermi surface of BaFe_2(As_{1-x}P_x)_2 on entering the superconducting dome (2009)

Shishido, H., Bangura, A. F., Coldea, A. I., Tonegawa, S., Hashimoto, K., Kasahara, S., ...

Using the de Haas-van Alphen effect we have measured the evolution of the Fermi surface of BaFe_2(As_{1-x}P_x)_2 as function of isoelectric substitution (As/P) for 0.41

Non-universal gap structure in iron-based high-Tc superconductors (2009)

Hashimoto, K., Yamashita, M., Kasahara, S., Senshu, Y., Nakata, N., Tonegawa, S., ...

Experimental insight into the origin of the interactions which drive high temperature superconductivity can be gained from the anisotropy of the energy gap. In the high-T_c Fe-pnictide...

Superconducting Gap Structure of LaFePO Studied by Thermal Conductivity (2009)

Yamashita, M., Nakata, N., Senshu, Y., Tonegawa, S., Ikada, K., Hashimoto, K., ...

The superconducting gap structure of LaFePO ($T_c=7.4 $K) is studied by thermal conductivity ($\kappa$) at low temperatures in fields $H$ parallel and perpendicular to the c axis. A clear two-step...

Evolution from Non-Fermi to Fermi Liquid Transport Properties by Isovalent Doping in BaFe2(As1-xPx)2 Superconductors (2009)

Kasahara, S., Shibauchi, T., Hashimoto, K., Ikada, K., Tonegawa, S., Okazaki, R., ...

The normal-state charge transport is studied systematically in high-quality single crystals of BaFe$_2$(As$_{1-x}$P$_x$)$_2$ ($0 \leq x \leq 0.71$). By substituting isovalent P for As, the...

Penetration depth, lower critical fields, and quasiparticle conductivity in Fe-arsenide superconductors (2009)

Shibauchi, T., Hashimoto, K., Okazaki, R., Matsuda, Y.

In this article, we review our recent studies of microwave penetration depth, lower critical fields, and quasiparticle conductivity in the superconducting state of Fe-arsenide superconductors....

Possible Phase Transition Deep Inside the Hidden Order Phase of Ultraclean URu2Si2 (2009)

Shishido, H., Hashimoto, K., Shibauchi, T., Sasaki, T., Oizumi, H., Kobayashi, N., ...

To elucidate the underlying nature of the hidden order (HO) state in heavy-fermion compound URu2Si2, we measure electrical transport properties of ultraclean crystals in a high field/low temperature...

Lower Critical Fields of Superconducting PrFeAsO$_{1-y}$ Single Crystals (2008)

Okazaki, R., Konczykowski, M., Van Der Beek, C. J., Kato, T., Hashimoto, K., Shimozawa, M., ...

We have studied the lower critical fields H_{c1} of superconducting iron oxipnictide PrFeAsO_{1-y} single crystals for H parallel and perpendicular to the ab-planes. Measurements of the local...

Superfluid Density and Quasiparticle Scattering Rate in Ba_{1-x}K_xFe_2As_2 Single Crystals (2008)

Hashimoto, K., Shibauchi, T., Kasahara, S., Ikada, K., Kato, T., Okazaki, R., ...

We report high-sensitivity microwave measurements of the in-plane penetration depth $\lambda_{ab}$ in several single crystals of hole-doped Fe-based superconductor Ba$_{1-x}$K$_x$Fe$_2$As$_2$. We...

The Quantum Hall Transition in Real Space: From Localized to Extended States (2008)

Hashimoto, K., Sohrmann, C., Wiebe, J., Inaoka, T., Meier, F., Hirayama, Y., ...

Using scanning tunneling spectroscopy in ultra-high vacuum at low temperature (T = 0.3 K) and high magnetic fields (B < 12 T), we directly probe electronic wave functions across an integer quantum...

Microwave Penetration Depth and Quasiparticle Conductivity in PrFeAsO_1-y Single Crystals : Evidence for a Full-Gap Superconductor (2008)

Hashimoto, K., Shibauchi, T., Kato, T., Ikada, K., Okazaki, R., Shishido, H., ...

In-plane microwave penetration depth $\lambda_{ab}$ and quaiparticle conductivity at 28 GHz are measured in underdoped single crystals of the Fe-based superconductor PrFeAsO$_{1-y}$ ($T_c\approx 35$...

The Quantum Hall transition in real space: From localized to extended states (2008)

Hashimoto, K, Sohrmann, C, Wiebe, J, Inaoka, T, Meier, F, Hirayama, Y, ...

Two-dimensional electron systems (2DES) are considered as paradigms for the study of quantum phase transitions. Three prominent examples are the disorder-driven metal-insulator transition , the...

a (2007)

G. Chesi, K. Hashimoto, D. Prattichizzo, A. Vicino

features in the camera’s field of view:

Fig.1 TDO (Three-dimensional Optometer) (2007)

T. Takeda, H. Endo, K. Hashimoto

This paper report brief explanation of the apparatus and its application first. Next it reports the simultaneous recording of accommodation response and accommodation related MEG. The study revealed...

First results from 2+1-Flavor Domain Wall QCD: Mass Spectrum, Topology Change and Chiral Symmetry with $L_s=8$ (2006)

Antonio, D. J., Blum, T., Bowler, K. C., Boyle, P. A., Christ, N. H., Cohen, S. D., ...

We present results for the static interquark potential, light meson and baryon masses, and light pseudoscalar meson decay constants obtained from simulations of domain wall QCD with one dynamical...

Possible link between Glycolysis and Apoptosis induced by Sodium Fluoride (2005)

Otsuki, S., Morshed, S. R. M., Chowdhury, S. A., Takayama, F., Satoh, T., Hashimoto, K., ...

Fluoride has been used to prevent caries in the dentition, but the possible underlying mechanisms of cytotoxicity induction by this compound are still unclear. Since fluoride is known as an inhibitor...

Possible link between Glycolysis and Apoptosis induced by Sodium Fluoride (2005)

Otsuki, S., Morshed, S. R. M., Chowdhury, S. A., Takayama, F., Satoh, T., Hashimoto, K., ...

Fluoride has been used to prevent caries in the dentition, but the possible underlying mechanisms of cytotoxicity induction by this compound are still unclear. Since fluoride is known as an inhibitor...

Spin Degree of Freedom in the nu =1 Bilayer Electron System Investigated via Nuclear Spin Relaxation (2004)

Kumada, N., Muraki, K., Hashimoto, K., Hirayama, Y.

The nuclear-spin-relaxation rate 1/T_1 has been measured in a bilayer electron system at and around total Landau level filling factor nu =1. The measured 1/T_1, which probes electron spin...

GEANT4: A Simulation toolkit (2003)

Agostinelli, S, Allison, J, Amako, K, Apostolakis, John, Araújo, H M, Arce, P, ...

Geant4 is a toolkit for simulating the passage of particles through matter. It includes a complete range of functionality including tracking, geometry, physics models and hits. The physics processes...

Detection of Mercury and Other Undetermined Materials in Skin Biopsies of Endemic Pemphigus Foliaceus. (2003)

Abreu Velez, AM, Warfvinge, G, Herrera, WL, Abreu Velez, CE, Montoya, MF, Hardy, DF, ...

A novel variant of endemic pemphigus foliaceus (EPF) was described among individuals in an area surrounding El Bagre, Colombia, South America. The population in this rural mining community is exposed...

A new principle for tight junction modulation based on occludin peptides (2003)

Tavelin, S., Hashimoto, K., Malkinson, J., Lazorova, L., Toth, I., Artursson, P.

The aim of this study was to investigate whether peptides from the extracellular loops of the tight junction protein occludin could be used as a new principle for tight junction modulation. Peptides...

A new principle for tight junction modulation based on occludin peptides (2003)

Tavelin, S., Hashimoto, K., Malkinson, J., Lazorova, L., Toth, I., Artursson, P.

The aim of this study was to investigate whether peptides from the extracellular loops of the tight junction protein occludin could be used as a new principle for tight junction modulation. Peptides...

Crystallization and preliminary X-ray analysis of the trehalose/maltose ABC transporter MalFGK2 from Thermococcus litoralis (2002)

Schiefner, André, Diederichs, Kay, Hashimoto, K., Boos, Winfried, Welte, Wolfram

Trehalose and maltose uptake in the hyperthermophilic archaeon Thermococcus litoralis is mediated by an ABC transport system. The heterotetrameric transport complex MalFGK2, consisting of two...

Electrically-Controlled Nuclear Spin Polarization and Relaxation by Quantum-Hall states (2001)

Hashimoto, K., Muraki, K., Saku, T., Hirayama, Y.

We investigate interactions between electrons and nuclear spins by using the resistance (Rxx) peak which develops near filling factor n = 2/3 as a probe. By temporarily tuning n to a different value,...

PAPULAR MUCINOSIS (SCLEROMYXOEDEMA) COMPLICATING DIFFUSE SYSTEMIC SCLEROSIS: CLINICAL FEATURES AND ELECTRON MICROSCOPE OBSERVATIONS (1992)

VARGA, J., MATSUOKA, L. Y., HASHIMOTO, K., LEONARDO, M. DI, JIMENEZ, S. A.

Papular mucinosis (scleromyxoedema) is an uncommon disorder characterized by generalized papular eruption and cuta neous induration, which may be associated with a variety of extracutaneous...

Pathogenesis of pili annulati (1988)

Hashimoto, K., Sakamoto, F., Voorhees, John J., Ito, M., Sato, Y.

Plucked scalp hairs and hair roots of pili annulati were examined to understand their pathogenesis. Stereoscopic examinations of hairs in transmitted light and/or reflected light and light...

Topically administered timolol and dorzolamide reduce intraocular pressure and protect retinal ganglion cells in a rat experimental glaucoma model

Seki, M, Tanaka, T, Matsuda, H, Togano, T, Hashimoto, K, Ueda, J, ...

Aims: This study sought to elucidate the effects of timolol and dorzolamide on intraocular pressure (IOP) and retinal ganglion cell (RGC) death in an experimental model of glaucoma in rat.

Multimodality evoked potentials in HTLV-I associated myelopathy.

Kakigi, R, Shibasaki, H, Kuroda, Y, Endo, C, Oda, K, Ikeda, A, ...

Multimodality evoked potentials (EPs) consisting of somatosensory EPs (SEPs), visual EPs (VEPs) and brainstem auditory EPs (BAEPs) were studied in 16 cases with HTLV-I associated myelopathy (HAM)....

Suppression of airway hyperresponsiveness induced by ovalbumin sensitisation and RSV infection with Y-27632, a Rho kinase inhibitor

Hashimoto, K, Peebles, R, Sheller, J, Jarzecka, K, Furlong, J, Mitchell, D, ...

Background: Smooth muscle contraction is one of the hallmarks of asthma. A recently developed pyridine derivative, Y-27632, a selective Rho kinase inhibitor, has been reported to inhibit the smooth...

Monensin and FCCP inhibit the intracellular transport of alphavirus membrane glycoproteins

Kaariainen, L, Hashimoto, K, Saraste, J, Virtanen, I, Penttinen, K

Temperature-sensitive mutants of semliki forest virus (SFV) and sindbis virus (SIN) were used to study the intracellular transport of virus membrane glycoproteins in infected chicken embryo...

Polymorphism of the 5′ flanking region of the IL-12 receptor β2 gene partially determines the clinical types of leprosy through impaired transcriptional activity

Ohyama, H, Ogata, K, Takeuchi, K, Namisato, M, Fukutomi, Y, Nishimura, F, ...

Background: Individual differences in T cell responsiveness to interleukin 12 (IL-12), resulting from inherited factors, may be responsible for differences in the intensity of cell mediated immune...

Photokilling of T-24 human bladder cancer cells with titanium dioxide.

Kubota, Y., Shuin, T., Kawasaki, C., Hosaka, M., Kitamura, H., Cai, R., ...

A photoexcited titanium dioxide surface has a strong ability to decompose water into hydrogen and oxygen. We have studied this effect in order to use it to kill cancer cells in vitro and in vivo. A...