K. Ohishi

Publication List Details

Period

2000 - 2007

Number

46

Co-Authors

Quasi-particle interference and superconducting gap in a high-temperature superconductor Ca2-xNaxCuO2Cl2 (2007)

Hanaguri, T., Kohsaka, Y., Davis, J. C., Lupien, C., Yamada, I., Azuma, M., ...

High-transition-temperature (high-Tc) superconductivity is ubiquitous in the cuprates containing CuO2 planes but each cuprate has its own character. The study of the material dependence of the d-wave...

Muon spin rotation measurements of the superfluid density in fresh and aged superconducting PuCoGa$_5$ (2007)

Ohishi, K., Heffner, R. H., Morris, G. D., Bauer, E. D., Graf, M. J., ...

We have measured the temperature dependence and magnitude of the superfluid density $\rho_{\rm s}(T)$ via the magnetic field penetration depth $\lambda(T)$ in PuCoGa$_5$ (nominal critical temperature...

Muon spin relaxation and hyperfine-enhanced 141Pr nuclear spin dynamic in Pr(Os,Ru)4Sb12 and (Pr,La)Os4Sb12 (2007)

Shu, Lei, MacLaughlin, D. E., Aoki, Y., Tunashima, Y., Yonezawa, Y., Sanada, S., ...

Zero- and longitudinal-field muon spin relaxation (MuSR) experiments have been carried out in the alloy series Pr(Os1-xRux)4Sb12 and Pr1-yLayOs4Sb12 to elucidate the anomalous dynamic muon spin...

Microscopic properties of vortex state in YB6 probed by muon spin rotation (2007)

Kadono, R., Kuroiwa, S., Akimitsu, J., Koda, A., Ohishi, K., Higemoto, W., ...

Local magnetic field distribution B(r) in the mixed state of a boride superconductor, YB6, is studied by muon spin rotation (muSR). A comparative analysis using the modified London model and...

Anomalous magnetic phase in an undistorted pyrochlore oxide Cd2Os2O7 induced by geometrical frustration (2007)

Koda, A., Kadono, R., Ohishi, K., Saha, S. R., Higemoto, W., Yonezawa, S., ...

We report on the muon spin rotation/relaxation study of a pyrochlore oxide, Cd2Os2O7, which exhibits a metal-insulator (MI) transition at T_{MI}~225 K without structural phase transition. It reveals...

Magnetic field-induced quasiparticle excitation in Nb3Sn: Evidence for anisotropic s-wave pairing (2006)

Kadono, R., Satoh, K. H., Koda, A., Nagata, T., Kawano-Furukawa, H., Suzuki, J., ...

The response of vortex state to the magnetic field in Nb3Sn is probed using muon spin rotation and small-angle neutron scattering. A transformation of vortex structure between hexagonal and squared...

Possible Magnetic Chirality in Optically Chiral Magnet [Cr(CN)$_6$][Mn($S$)-pnH(H$_2$O)](H$_2$O) Probed by Muon Spin Rotation and Relaxation (2006)

Ohishi, K., Higemoto, W., Koda, A., Saha, S. R., Kadono, R., Inoue, K., ...

Local magnetic fields in a molecule-based optically chiral magnet [Cr(CN)$_6$][Mn($S$)-pnH(H$_2$O)](H$_2$O) (GN-S) and its enantiomer (GN-R) are studied by means of muon spin rotation and relaxation...

Field-Induced Uniform Antiferromagnetic Order Associated with Superconductivity in Pr$_{1-x}$LaCe$_{x}$CuO$_{4-\delta}$ (2005)

Kadono, R., Ohishi, K., Koda, A., Saha, S. R., Higemoto, W., Fujita, M., ...

Strong correlation between field-induced antiferromagnetic (AF) order and superconductivity is demonstrated for an electron-doped cuprate superconductor, Pr$_{1-x}$LaCe$_{x}$CuO$_{4-\delta}$ (PLCCO)....

Staggered magnetism in LiV$_2$O$_4$ at low temperatures probed by the muon Knight shift (2005)

Koda, A., Kadono, R., Ohishi, K., Saha, S. R., Higemoto, W., Matsushita, Y., ...

We report on the muon Knight shift measurement in single crystals of LiV2O4. Contrary to what is anticipated for the heavy-fermion state based on the Kondo mechanism, the presence of inhomogeneous...

Magnetic Phase Diagram of the Hole-doped Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$ Cuprate Superconductor (2004)

Ohishi, K., Yamada, I., Koda, A., Higemoto, W., Saha, S. R., Kadono, R., ...

We report on the magnetic phase diagram of a hole-doped cuprate Ca$_{2-x}$Na$_{x}$CuO$_{2}$Cl$_{2}$, which is free from buckling of CuO$_2$ planes, determined by muon spin rotation and relaxation. It...

Correlation between Superconducting Carrier Density and Transition Temperature in NbB$_{2+x}$ (2004)

Takagiwa, H., Kuroiwa, S., Yamazawa, M., Akimitsu, J., Ohishi, K., Koda, A., ...

We report on the magnetic penetration depth, lambda, in a type II superconductor NbB_{2+x} determined by muon spin rotation method. We show in the sample with x=0.1 that lambda at 2.0 K is...

Strong correlation between field-induced magnetism and superconductivity in Pr$_{0.89}$LaCe$_{0.11}$CuO$_{4}$ (2004)

Kadono, R., Ohishi, K., Koda, A., Higemoto, W., Kojima, K. M., Fujita, M., ...

We report the local magnetic response of an electron-doped cuprate superconductor, Pr$_{0.89}$LaCe$_{0.11}$CuO$_{4}$ ($T_c\simeq26$ K), studied by muon spin rotation (\msr) over a field range from...

Field-Induced Quasiparticle Excitation in Ca(Al$_{0.5}$Si$_{0.5}$)$_2$: Evidence for unconventional Superconductivity (2004)

Kuroiwa, S., Takagiwa, H, Yamazawa, M., Akimitsu, J., Ohishi, K., Koda, A., ...

The temperature ($T$) and magnetic field ($H$) dependence of the magnetic penetration depth, $\lambda(T,H)$, in Ca(Al$_{0.5}$Si$_{0.5}$)$_2$ exhibits significant deviation from that expected for...

Possible Anisotropic Order Parameter in Pyrochlore Superconductor KOs$_2$O$_6$ Probed by Muon Spin Rotation (2004)

Koda, A., Higemoto, W., Ohishi, K., Saha, S. R., Kadono, R., Yonezawa, S., ...

Magnetic penetration depth ($\lambda$) in a pyrochlore superconductor KOs$_2$O$_6$ was studied by means of muon spin rotation (\msr). The temperature dependence of transverse spin relaxation rate,...

Muonium as a shallow center in GaN (2004)

Shimomura, K., Kadono, R., Ohishi, K., Mizuta, M., Saito, M., Chow, K. H., ...

A paramagnetic muonium (Mu) state with an extremely small hyperfine parameter was observed for the first time in single-crystalline GaN below 25 K. It has a highly anisotropic hyperfine structure...

Time-Reversal Symmetry-Breaking Superconductivity in Heavy Fermion PrOs4Sb12 detected by Muon Spin Relaxation (2003)

Aoki, Y., Tsuchiya, A., Kanayama, T., Saha, S. R., Sugawara, H., Sato, H., ...

We report on muon spin relaxation measurements of the 4f^2-based heavy-fermion superconductor filled-skutterudite PrOs4Sb12. The results reveal the spontaneous appearance of static internal magnetic...

Nonlocal Effects and Shrinkage of the Vortex Core Radius in YNi2B2C Probed by muSR (2002)

Ohishi, K., Kakuta, K., Akimitsu, J., Higemoto, W., Kadono, R., Sonier, J. E., ...

The magnetic field distribution in the vortex state of YNi2B2C has been probed by muon spin rotation (muSR). The analysis based on the London model with nonlocal corrections shows that the vortex...

Lipopolysaccharide-induced apoptosis in swine lymphocytes in vivo.

Norimatsu, M, Ono, T, Aoki, A, Ohishi, K, Takahashi, T, Watanabe, G, ...

The in vivo effects of bacterial lipopolysaccharide (LPS) on the immune systems of piglets were investigated. Intravenous injection of 0.5 mg of LPS per kilogram of body weight induced apoptosis,...

Endotoxin-induced enhancement of glucose influx into murine peritoneal macrophages via GLUT1.

Fukuzumi, M, Shinomiya, H, Shimizu, Y, Ohishi, K, Utsumi, S

Hypoglycemia is among the most injurious metabolic disorders caused by endotoxemia. In experimental endotoxemia with lipopolysaccharide (LPS) in animals, a marked glucose consumption is observed in...

Complete nucleotide sequence of the genome of bovine leukemia virus: its evolutionary relationship to other retroviruses.

Sagata, N, Yasunaga, T, Tsuzuku-Kawamura, J, Ohishi, K, Ogawa, Y, Ikawa, Y

We report the complete 8714-nucleotide sequence of the integrated bovine leukemia virus genome and deduce the following genomic organization: 5' LTR-gag-pol-env-pXBL-3' LTR, where LTR represents a...

PIG-B, a membrane protein of the endoplasmic reticulum with a large lumenal domain, is involved in transferring the third mannose of the GPI anchor.

Takahashi, M, Inoue, N, Ohishi, K, Maeda, Y, Nakamura, N, Endo, Y, ...

Many eukaryotic cell surface proteins are bound to the membrane via the glycosylphosphatidylinositol (GPI) anchor that is covalently linked to their carboxy-terminus. The GPI anchor precursor is...

Functional impairment of renal afferent arteriolar voltage-gated calcium channels in rats with diabetes mellitus.

Carmines, P K, Ohishi, K, Ikenaga, H

Experiments were performed to test the hypothesis that diabetes mellitus is associated with impaired afferent arteriolar responsiveness to opening of voltage-gated calcium channels. Diabetes was...

Comparison of the entire genomes of bovine leukemia virus and human T-cell leukemia virus and characterization of their unidentified open reading frames.

Sagata, N, Yasunaga, T, Ohishi, K, Tsuzuku-Kawamura, J, Onuma, M, Ikawa, Y

We have compared the sequence of the entire genomes of bovine leukemia virus (BLV) and human T-cell leukemia virus type I (HTLV-I). Both the gag and pol genes show overall strong homologies...

DPM2 regulates biosynthesis of dolichol phosphate-mannose in mammalian cells: correct subcellular localization and stabilization of DPM1, and binding of dolichol phosphate.

Maeda, Y, Tomita, S, Watanabe, R, Ohishi, K, Kinoshita, T

Biosynthesis of glycosylphosphatidylinositol and N-glycan precursor is dependent upon a mannosyl donor, dolichol phosphate-mannose (DPM). The Thy-1negative class E mutant of mouse lymphoma and Lec15...

Mammalian PIG-L and its yeast homologue Gpi12p are N-acetylglucosaminylphosphatidylinositol de-N-acetylases essential in glycosylphosphatidylinositol biosynthesis.

Watanabe, R, Ohishi, K, Maeda, Y, Nakamura, N, Kinoshita, T

Glycosylphosphatidylinositol (GPI) is used as a membrane anchor by many eukaryotic cell-surface proteins. The second step of GPI biosynthesis is de-N-acetylation of...

Lipopolysaccharide-induced apoptosis in swine lymphocytes in vivo.

Norimatsu, M, Ono, T, Aoki, A, Ohishi, K, Takahashi, T, Watanabe, G, ...

The in vivo effects of bacterial lipopolysaccharide (LPS) on the immune systems of piglets were investigated. Intravenous injection of 0.5 mg of LPS per kilogram of body weight induced apoptosis,...

Endotoxin-induced enhancement of glucose influx into murine peritoneal macrophages via GLUT1.

Fukuzumi, M, Shinomiya, H, Shimizu, Y, Ohishi, K, Utsumi, S

Hypoglycemia is among the most injurious metabolic disorders caused by endotoxemia. In experimental endotoxemia with lipopolysaccharide (LPS) in animals, a marked glucose consumption is observed in...

Complete nucleotide sequence of the genome of bovine leukemia virus: its evolutionary relationship to other retroviruses.

Sagata, N, Yasunaga, T, Tsuzuku-Kawamura, J, Ohishi, K, Ogawa, Y, Ikawa, Y

We report the complete 8714-nucleotide sequence of the integrated bovine leukemia virus genome and deduce the following genomic organization: 5' LTR-gag-pol-env-pXBL-3' LTR, where LTR represents a...

PIG-B, a membrane protein of the endoplasmic reticulum with a large lumenal domain, is involved in transferring the third mannose of the GPI anchor.

Takahashi, M, Inoue, N, Ohishi, K, Maeda, Y, Nakamura, N, Endo, Y, ...

Many eukaryotic cell surface proteins are bound to the membrane via the glycosylphosphatidylinositol (GPI) anchor that is covalently linked to their carboxy-terminus. The GPI anchor precursor is...

Functional impairment of renal afferent arteriolar voltage-gated calcium channels in rats with diabetes mellitus.

Carmines, P K, Ohishi, K, Ikenaga, H

Experiments were performed to test the hypothesis that diabetes mellitus is associated with impaired afferent arteriolar responsiveness to opening of voltage-gated calcium channels. Diabetes was...

Comparison of the entire genomes of bovine leukemia virus and human T-cell leukemia virus and characterization of their unidentified open reading frames.

Sagata, N, Yasunaga, T, Ohishi, K, Tsuzuku-Kawamura, J, Onuma, M, Ikawa, Y

We have compared the sequence of the entire genomes of bovine leukemia virus (BLV) and human T-cell leukemia virus type I (HTLV-I). Both the gag and pol genes show overall strong homologies...

DPM2 regulates biosynthesis of dolichol phosphate-mannose in mammalian cells: correct subcellular localization and stabilization of DPM1, and binding of dolichol phosphate.

Maeda, Y, Tomita, S, Watanabe, R, Ohishi, K, Kinoshita, T

Biosynthesis of glycosylphosphatidylinositol and N-glycan precursor is dependent upon a mannosyl donor, dolichol phosphate-mannose (DPM). The Thy-1negative class E mutant of mouse lymphoma and Lec15...

Mammalian PIG-L and its yeast homologue Gpi12p are N-acetylglucosaminylphosphatidylinositol de-N-acetylases essential in glycosylphosphatidylinositol biosynthesis.

Watanabe, R, Ohishi, K, Maeda, Y, Nakamura, N, Kinoshita, T

Glycosylphosphatidylinositol (GPI) is used as a membrane anchor by many eukaryotic cell-surface proteins. The second step of GPI biosynthesis is de-N-acetylation of...