Renormalization of Commensurate Magnetic Peak in Ni-doped La$_{1.85}$Sr$_{0.15}$CuO$_{4}$ (2009)
Matsuura, M., Kofu, M., Kimura, H., Hirota, K.
We have studied the magnetic excitations in impurity doped La$_{1.85}$Sr$_{0.15}$Cu$_{1-y}$A$_{y}$O$_{4}$ (A=Ni or Zn) by neutron scattering. The dispersion for Zn:$y=0.017$ is similar to that for...
Soft phonon columns on the edge of the Brillouin zone in the relaxor PbMg1/3Nb2/3O3 (2009)
Swainson, I. P., Stock, C., Gehring, P. M., Xu, Guangyong, Hirota, K., Qiu, Y., ...
We report lattice dynamical measurements, made using neutron inelastic scattering methods, of the relaxor perovskite PbMg1/3Nb2/3O3 (PMN) at momentum transfers near the edge of the Brillouin zone....
Barbiellini, B., Koizumi, A., Mijnarends, P. E., Al-Sawai, W., Lin, Hsin, Nagao, T., ...
We have studied the [100]-[110] anisotropy of the Compton profile in the bilayer manganite. Quantitative agreement is found between theory and experiment with respect to the anisotropy in the two...
Soft phonon columns on the edge of the Brillouin zone in the relaxor PbMg1/3Nb2/3O3 (2009)
Swainson, IP, Stock, C, Gehring, PM, Xu, GY, Hirota, K, Qiu, Y, ...
We report lattice-dynamical measurements, made using neutron inelastic-scattering methods, of the relaxor perovskite PbMg1/3Nb2/3O3 (PMN) at momentum transfers near the edge of the Brillouin zone....
Magnetic Excitation in Artificially Designed Oxygen Molecule Magnet (2008)
Masuda, T., Takamizawa, S., Hirota, K., Ohba, M., Kitagawa, S.
We performed inelastic neutron scattering experiment to study magnetic excitation of O$_2$ molecules adsorbed in microporous compound. The dispersionless excitation with characteristic intensity...
Change of Antiferromagnetic Structure near a Quantum Critical Point in CeRh1-xCoxIn5 (2008)
Yokoyama, M., Oyama, N., Amitsuka, H., Oinuma, S., Kawasaki, I., Tenya, K., ...
The elastic neutron scattering experiments were carried out on the solid solutions CeRh_{1-x}Co_xIn_5 to clarify the nature of the antiferromagnetic (AF) state in the vicinity of the quantum critical...
VISUALIZATION OF COMPLEX NETWORKS BASED ON DYADIC CURVELET TRANSFORM (2008)
Marjan Sedighi Anaraki, Fangyan Dong, Hajime Nobuhara, Kaoru Hirota, M. Sedighi Anaraki, F. Dong, ...
A visualization method is proposed for understanding the structure of complex networks based on an extended Curvelet transform named Dyadic Curvelet Transform (DClet). The proposed visualization...
Seki, S., Yamasaki, Y., Soda, M., Matsuura, M., Hirota, K., Tokura, Y.
Measurements of polarized neutron scattering were performed on a $S=1/2$ chain multiferroic LiCu$_2$O$_2$. In the ferroelectric ground state with the spontaneous polarization along the c-axis, the...
Polarized neutron scattering study on antiferromagnetic states in CeRh0.6Co0.4In5 (2007)
Yokoyama, M., Oyama, N., Amitsuka, H., Oinuma, S., Kawasaki, I., Tenya, K., ...
Polarized neutron scattering experiments were performed on mixed compound CeRh0.6Co0.4In5 to clarify the nature of the low-temperature ordered states. Three nonequivalent Bragg peaks, characterized...
Nakajima, T., Mitsuda, S., Kanetsuki, S., Tanaka, K., Fujii, K., Terada, N., ...
Multiferroic CuFe1-xAlxO2 (x=0.02) exhibits a ferroelectric ordering accompanied by a proper helical magnetic ordering below T=7K under zero magnetic field. By polarized neutron diffraction and...
Electric Control of Spin Helicity in a Magnetic Ferroelectric (2007)
Yamasaki, Y., Sagayama, H., Goto, T., Matsuura, M., Hirota, K., Arima, T., ...
Magnetic ferroelectrics or multiferroics, which are currently extensively explored, may provide a good arena to realize a novel magnetoelectric function. Here we demonstrate the genuine electric...
Nakayama, K., Sato, T., Dobashi, T., Terashima, K., Souma, S., Matsui, H., ...
We have performed systematic angle-resolved photoemission spectroscopy (ARPES) on single-layered cuprate superconductor Bi2Sr2CuO6 to elucidate the origin of shadow band. We found that the shadow...
Hole Doping Effects on Spin-gapped Na2Cu2TeO6 via Topochemical Na Deficiency (2006)
Morimoto, K., Itoh, Y., Yoshimura, K., Kato, M., Hirota, K.
We report the magnetic susceptibility and NMR studies of a spin-gapped layered compound Na2Cu2TeO6 (the spin gap $\Delta\sim$ 250 K), the hole doping effect on the Cu2TeO6 plane via a topochemical Na...
Photoproduction of $\eta$-mesons off C and Cu nuclei for photon energies below 1.1 GeV (2005)
Kinoshita, T., Yamazaki, H., Fukasawa, H., Hirota, K., Ishikawa, T., Kasagi, J., ...
The $\eta$-meson photoproduction cross sections have been measured on the C and Cu targets for the photon energies between 600 and 1100 MeV to investigate the behavior of the $S_{11}$(1535) resonance...
Stoner gap in the superconducting ferromagnet UGe2 (2005)
Aso, N., Motoyama, G., Uwatoko, Y., Ban, S., Nakamura, S., Nishioka, T., ...
We report the temperature ($T$) dependence of ferromagnetic Bragg peak intensities and dc magnetization of the superconducting ferromagnet UGe2 under pressure ($P$). We have found that the low-$T$...
Orbital Ordering in ferromagnetic Lu2V2O7 (2005)
Ichikawa, H., Kano, L., Saitoh, M., Miyahara, S., Furukawa, N., Akimitsu, J., ...
We have observed the orbital ordering in the ferromagnetic Mott-insulator Lu2V2O7 by the polarized neutron diffraction technique. The orbital ordering pattern determined from the observed magnetic...
Sasaki, R., Hirota, K., Roth, S. H., Yamazaki, M.
Background. There is strong evidence to suggest that anoxic depolarization (AD) is an important factor in hypoxia/ischaemia-induced neural damage. Treatments that prevent the occurrence of AD may...
Sasaki, R., Hirota, K., Roth, S. H., Yamazaki, M.
Background. There is strong evidence to suggest that anoxic depolarization (AD) is an important factor in hypoxia/ischaemia-induced neural damage. Treatments that prevent the occurrence of AD may be...
Kofu, M., Kimura, H., Hirota, K.
Impurity effects of Zn and Ni on the low-energy spin excitations were systematically studied in optimally doped La1.85Sr0.15Cu1-yAyO4 (A=Zn, Ni) by neutron scattering. Impurity-free La1.85Sr0.15CuO4...
Matsumura, T., Okuyama, D., Oumi, N., Hirota, K., Nakao, H., Murakami, Y., ...
Experimental evidence of the d-f Coulomb interaction responsible for the resonant x-ray scattering (RXS) from antiferroquadrupolar order in DyB2C2 is presented. The energy dependences of the RXS...
Ishii, K., Inami, T., Ohwada, K., Kuzushita, K., Mizuki, J., Murakami, Y., ...
Electronic excitations near the Fermi energy in the hole doped manganese oxides (La1-xSrxMnO3, x=0.2 and 0.4) have been elucidated by using the resonant inelastic x-ray scattering (RIXS) method. A...
Redox regulation of the embryonic stem cell transcription factor oct-4 by thioredoxin (2004)
Guo, Y., Einhorn, L., Kelley, M., Hirota, K., Yodoi, J., Reinbold, R., ...
Development of Ni/Ti supermirrors with large-m and a curved surface (2004)
Ikeda, K, Adachi, T, Shinohara, T, Morishima, T, Hirota, K, Takizawa, Y, ...
Hirota, K., Hashiba, E., Yoshioka, H., Kabara, S., Matsuki, A.
Background. The crucial role of L‐type Ca2+ channels in airway smooth muscle contraction suggests that these channels could be an important therapeutic target. There are three separate drug...
Kabara, S., Hirota, K., Yoshioka, H., Kudo, T., Ishihara, H., Matsuki, A.
Background. Thiopental sometimes causes bronchospasm during induction of anaesthesia. In addition, we have reported previously that thiopental produced transient bronchospasm, which was blocked by...
Novel in-gap spin state in Zn-doped La_1.85Sr_0.15CuO_4 (2002)
Kimura, H., Kofu, M., Matsumoto, Y., Hirota, K.
Low-energy spin excitations of La1.85Sr0.15Cu1-yZnyO4 were studied by neutron scattering. In y=0.004, the incommensurate magnetic peaks show a well defined ``spin gap'' below Tc. The magnetic signals...
Inami, T., Ishihara, S., Kondo, H., Mizuki, J., Fukuda, T., Maekawa, S., ...
We report resonant inelastic x-ray scattering experiments of the orbital ordered manganite LaMnO3. When the incident photon energy is tuned near the Mn K absorption edge, the spectra reveal three...
Neutron Diffuse Scattering from Polar Nanoregions in the Relaxor Pb(Mg1/3Nb2/3)O3 (2001)
Hirota, K., Wakimoto, S., Gehring, P. M., Shirane, G.
We have studied the neutron diffuse scattering in the relaxor PMN. The diffuse scattering appears around the Burns temperature (~620K), indicating its origin from the polar nanoregions (PNR). While...
Highly Degenerate Canted Spin Structure in Bilayer Manganite La$_{1.1}$Sr$_{1.9}$Mn$_2$O$_7$ (2001)
Kubota, M., Oohara, Y., Yoshizawa, H., Fujioka, H., Hirota, K., Moritomo, Y., ...
We have examined magnetic ordering of the two-dimensional (2D) bilayer manganite La$_{1.1}$Sr$_{1.9}$Mn$_2$O$_7$ with neutron diffraction technique. Due to the two-dimensionality, there appears...
Hirota, K., Ishihara, S., Fujioka, H., Kubota, M., Yoshizawa, H., Moritomo, Y., ...
Low-temperature spin dynamics of the double-layered perovskite La_2-2x_Sr_1+2x_Mn_2_O_7 (LSMO327) was systematically studied in a wide hole concentration range (0.3
Magnetic frustrations in the face centered cubic antiferromagnet NiS2 (2001)
Matsuura, M., Endoh, Y., Hiraka, H., Yamada, K., Hirota, K., Mishchenko, A. S., ...
Neutron scattering experiment on NiS2 single crystal revealed a honeycomb pattern of the intensity distribution in reciprocal lattice space (continuous-line structure along the fcc zone boundary)...
Koike, Y, Akoshima, M, Aoyama, M, Nishimaki, K, Kawamata, T, Adachi, T, ...
Possible stripe ordering at x=0.21 in La2-xSrxCu1-yZnyO4 (2001)
Koike, Y, Aoyama, M, Adachi, T, Akoshima, M, Kawamata, T, Watanabe, I, ...
Ohwada, K., Hirota, K., Rehrig, P.W., Gehring, P.M., Noheda, B., Fujii, Y., ...
Single crystals of the relaxor PZN-xPT display an enormously strong piezoelectric character. Recent x-ray scattering studies have revealed novel electric-field induced phase transitions in PZN-8%PT....
Kabara, S., Hirota, K., Hashiba, E., Yoshioka, H., Kudo, T., Sato, T., ...
Propofol has been suggested to have in vivo airway relaxant effects, although the mechanism is still unclear. In this study, we determined whether propofol could antagonize methacholine‐induced...
Observation of the antiferroquadrupolar order in DyB2C2 by resonant x-ray scattering (2000)
Matsumura, T., Oumi, N., Hirota, K., Nakao, H., Murakami, Y., Wakabayashi, Y., ...
We have investigated the antiferroquadrupolar(AFQ) order in DyB$_2$C$_2$ by resonant x-ray scattering. X-rays with energies near the $L_3$ absorption edge of Dy were employed. Superlattice peaks that...
Cox, D. E., Iglesias, T., Moshopoulou, E., Hirota, K., Takahashi, K., Endoh, Y.
The structural phase diagram of the La1-xSrxMnO3 system in the compositional range 0.08
Kubota, M., Oohara, Y., Yoshizawa, H., Fujioka, H., Shimizu, K., Hirota, K., ...
The charge ordering in the bilayer manganite system La$_{2-2x}$Sr$_{1+2x}$Mn$_{2}$O$_{7}$ with $0.30 \le x \le 0.50$ has been studied by neutron diffraction. The charge order is characterized by the...
Hirota, K., Kudo, M., Kudo, T., Matsuki, A., Lambert, D. G.
The role of the voltage‐sensitive Ca2+ channel (VSCC) as a target for anaesthetic action remains controversial. In this study we characterized the VSCC subtypes involved in...
Hirota, K., Okawa, H., Appadu, B. L., Grandy, D. K., Lambert, D. G.
Local anaesthetics potentiate epidural or intrathecal opioid analgesia via a poorly defined mechanism. In this study, we have examined the interaction of local anaesthetics (lidocaine, bupivacaine...
Hashimoto, Y., Hirota, K., Yoshioka, H., Hashiba, E., Kudo, T., Ishihara, H., ...
In this study, we simultaneously evaluated the spasmolytic effects of prostaglandin E1 (PGE1) on serotonin‐induced bronchoconstriction and pulmonary hypertension. Eleven mongrel dogs (8–12 kg)...
Incommensurate Geometry of the Elastic Magnetic Peaks in Superconducting La1.88Sr0.12CuO4 (1999)
Kimura, H., Matsushita, H., Hirota, K., Endoh, Y., Yamada, K., Shirane, G., ...
We report magnetic neutron scattering measurements of incommensurate magnetic order in a superconducting single crystal of La1.88Sr0.12CuO4. We find that the incommensurate wavevectors which describe...
Zheludev, A., Maslov, S., Yokoo, T., Akimitsu, J., Raymond, S., Nagler, S. E., ...
Inelastic neutron scattering experiments on Nd2BaNiO5 single-crystals and powder samples are used to study the dynamic coupling of 1-dimensional Haldane-gap excitations in the S=1 Ni2+ -chains to...
Hirota, K., Oumi, N., Matsumura, T., Nakao, H., Wakabayashi, Y., Murakami, Y., ...
Antiferroquadrupolar (AFQ) ordering has been conjectured in several rare-earth compounds to explain their anomalous magnetic properties. No direct evidences for AFQ ordering, however, have been...
Structural instability associated with the tilting of CuO6 octahedra in La2-xSrxCuO4 (1999)
Kimura, H., Hirota, K., Lee, C. H., Yamada, K., Shirane, G.
Comprehensive inelastic neutron-scattering measurements were performed to study the soft optical phonons in La2-xSrxCuO4 at x=0.10, 0.12 and 0.18. We found at x=0.18 that the softening of Z-point...
Direct Observation of a One Dimensional Static Spin Modulation in Insulating La1.95Sr0.05CuO4 (1999)
Wakimoto, S., Birgeneau, R. J., Kastner, M. A., Lee, Y. S., Erwin, R., Gehring, P. M., ...
We report the results of an extensive elastic neutron scattering study of the incommensurate (IC) static spin correlations in La1.95Sr0.05CuO4 which is an insulating spin glass at low temperatures....
Two ferromagnetic phases in La1-xSrxMnO3(x ~1/8) (1999)
Nojiri, H., Kaneko, K., Motokawa, M., Hirota, K., Takahashi, K., Endoh, Y.
It was discovered in La1-xSrxMnO3(x~1/8) that a field induced phase transition occurs from a ferromagnetic metal(FM) phase to a ferromagnetic insulator (FI) phase. The magnetization shows a sharp...
Neutron Scattering Study of Elastic Magnetic Signals in Superconducting La1.94Sr0.06Cu4 (1999)
Wakimoto, S., Yamada, K., Ueki, S., Shirane, G., Lee, Y. S., Lee, S. H., ...
Recent neutron-scattering experiments on La(2-x)Sr(x)CuO4 single crystals by Wakimoto et al. have revealed that elastic magnetic peaks appear at low temperatures in both insulating (x=0.02-0.05) and...
Kubota, M., Fujioka, H., Hirota, K., Ohoyama, K., Moritomo, Y., Yoshizawa, H., ...
Comprehensive neutron-powder diffraction and Rietveld analyses were carried out to clarify the relation between the crystal and magnetic structures of La2-2xSr1+2xMn2O7 (0.30 =< x =< 0.50). The...
Spin Dynamical Properties of the Layered Perovskite La1.2Sr1.8Mn2O7 (1999)
Fujioka, H., Kubota, M., Hirota, K., Yoshizawa, H., Moritomo, Y., Endoh, Y.
Inelastic neutron-scattering measurements were performed on a single crystal of the layered colossal magnetoresistance (CMR) material La1.2Sr1.8Mn2O7 (Tc ~ 120K). We found that the spin wave...
Wakimoto, S., Birgeneau, R. J., Endoh, Y., Gehring, P. M., Hirota, K., Kastner, M. A., ...
Neutron-scattering experiments have been performed on lightly-doped La(2-x)Sr(x)CuO4 single crystals in both the insulating (x=0.03,0.04,0.05) and superconducting (x=0.06) regions. Elastic magnetic...
Kubota, M., Fujioka, H., Ohoyama, K., Hirota, K., Moritomo, Y., Yoshizawa, H., ...
Systematic powder diffraction studies have been carried out to establish the magnetic phase diagram of La_{2-2x}Sr_{1+2x}Mn_2O_7 (LSMO327) in a wide hall concentration range ($0.30 \leq x \leq...
Endoh, Y., Hirota, K., Ishihara, S., Okamoto, S., Murakami, Y., Nishizawa, A., ...
A lightly doped perovskite mangantite La_{0.88}Sr_{0.12}MnO_3 exhibits a phase transition at T_{OO}=145 K from a ferromagnetic metal (T_C=172 K) to a novel ferromagnetic insulator.We identify that...
Relaxant effect of propofol on the airway in dogs (1999)
Hirota, K., Sato, T., Hashimoto, Y., Hashiba, E., Kudo, T., Ishihara, H., ...
I.v. lidocaine worsens histamine-induced bronchoconstriction in dogs (1999)
Hirota, K., Hashimoto, Y., Sato, T., Yoshioka, H., Kudo, T., Ishihara, H., ...
Field Induced Transition from Metal to Insulator in the CMR Manganites (1998)
Endoh, Y., Nojiri, H., Kaneko, K., Hirota, K., Fukuda, T., Kimura, H., ...
The gigantic reduction of the electric resistivity under the applied magnetic field, CMR effect, is now widely accepted to appear in the vicinity of the insulator to metal transition of the...
Neutron Scattering Study of Temperature-Concentration Phase Diagram of (Cu1-xMgx)GeO3 (1998)
Nakao, H., Nishi, M., Fujii, Y., Masuda, T., Tsukada, I., Uchinokura, K., ...
In doped CuGeO3 systems, such as (Cu1-xZnx)GeO3 and Cu(Ge1-xSix)O3, the spin-Peierls (SP) ordering (T
Kubota, M., Yoshizawa, H., Moritomo, Y., Fujioka, H., Hirota, K., Endoh, Y.
We demonstrate that the half-doped bilayer manganite La_{1}Sr_{2}Mn_{2}O_{7} exhibits CE-type charge-ordered and spin-ordered states below $T_{N, CO}^A = 210$ K and below $T_{N}^{CE} \sim 145$ K,...
Formation, Transformation and Sintering of ZrO2-MgO Compositions Prepared from Alkoxides. (1998)
Saiki, J., Hirota, K., Yamaguchi, O., Inamura, S., Miyamoto, H.
In the ZrO2-MgO system, c-ZrO2 solid solutions containing between 5 and about 23 mol% MgO were found to crystallize at low temperatures from amorphous materials prepared by the simultaneous...
Scaling relations in charge and spin excitations for (La,Sr)MnO3 (1998)
Furukawa, Nobuo, Moritomo, Yutaka, Hirota, K., Endoh, Y.
Scaling relations in the charge and spin excitations of (La,Sr)MnO3 are studied from both theoretical and experimental points of view. In the ferromagnetic metal phase, we investigate optical...
Spin-Peierls and Antiferromagnetic Phases in Cu{1-x}Zn{x}GeO{3}: A Neutron Scattering Study (1997)
Martin, Michael C., Hase, M., Hirota, K., Shirane, G., Sasago, Y., Koide, N., ...
Comprehensive neutron scattering studies were carried out on a series of high-quality single crystals of Cu_{1-x}Zn_xGeO_3. The Zn concentration, x, was determined for each sample using Electron...
Lugares de secuencia marcada en cromosomas de caballo (1997)
Hirota, K., Mashima, S., Tozaki, T., Sakagami, M., Mukoyama, H., Miura, N.
Hemos asignado dos clases de marcadores Tipo 11 sobre cromosomas de caballo mediante la técnica de hibridación in situ con fluorescencia (F1SH). Hemos identificado un nuevo loci para...
Lugares de secuencia marcada en cromosomas de caballo (1997)
Miura, N., Hirota, K., Mashima, S., Tozaki, T., Sakagami, M., Mukoyama, H.
Hemos asignado dos clases de marcadores Tipo 11 sobre cromosomas de caballo mediante la técnica de hibridación in situ con fluorescencia (F1SH). Hemos identificado un nuevo loci para...
Thioredoxin expression in the human endometrium during the menstrual cycle (1997)
Maruyama, T, Kitaoka, Y, Sachi, Y, Nakanoin, K, Hirota, K, Shiozawa, T, ...
Measurement of bronchodilatation using a superfine fibreoptic bronchoscope (1997)
Otomo, N., Hirota, K., Hashimoto, Y., Kushikata, T., Sato, T., Ishihara, H., ...
New phase diagram of Zn-doped CuGeO3 (1996)
Sasago, Y., Koide, N., Uchinokura, K., Martin, Michael C., Hase, M., Hirota, K., ...
A series of high-quality single crystals of Cu$_{1-x}$Zn$_x$GeO$_3$ have been examined by neutron scattering techniques. An antiferromagnetic (AF) ordering is confirmed for samples with $x\geq 0.02$,...
Magnetism and Structural Distortion in the La0.7Sr0.3MnO3 Metallic Ferromagnet (1995)
Martin, Michael C., Shirane, G., Endoh, Y., Hirota, K., Moritomo, Y., Tokura, Y.
Neutron scattering studies on a single crystal of the highly-correlated electron system, La1-xSrxMnO3 with x~0.3, have been carried out elucidating both the spin and lattice dynamics of this metallic...
Removal of butylacetate and xylene from air by electron beam. A product study. (1995)
Hirota, K., Woletz, K., Paur, H.R., Mätzing, H.
Proc.of the 9th Internat.Meeting on Radiation Processing, Istanbul, TR, September 11-16, 1994 Part 2
Analyses of products formed by electron beam treatment of VOC/air mixtures. (1995)
Hirota, K., Mätzing, H., Paur, H.R., Woletz, K.
Radiation Physics and Chemistry, 45(1995) S.649-55
A 6.9-in. high resolution projection CRT for an HDTV display (1994)
Asano, T., Hirota, K., Oku, K., Tanaka, Y., Nakayama, K., Ohsawa, M.
Abscheidung von flüchtigen organischen Verbindungen (VOC) aus Abluft durch Elektronenstrahl. (1994)
Mätzing, H., Hirota, K., Baumann, W., Paur, H.R.
Projekt Europäisches Forschungszentrum für Maßnahmen zur Luftreinhaltung (PEF).
Removal of gaseous xylene by electron beam irradiation. (1994)
Hirota, K., Mätzing, H., Paur, H.R.
6th Japan-China Bilateral Symp.on Radiation Chemistry, Tokyo, J, November 6-11, 1994
Study of electron beam treatment of volatile organic compounds. (1994)
Hirota, K., Woletz, K., Paur, H.R., Mätzing, H.
67th Meeting of the Chemical Society of Japan, Tokyo, J, March 29, 1994
Product study of the electron beam induced degradation of volatile organic compounds (VOC). (1994)
Mätzing, H., Hirota, K., Woletz, K., Paur, H.R.
1994 European Aerosol Conf., Blois, F, May 30 - June 2, 1994
Yamaguchi, M, Ogren, L, Kurachi, H, Hirota, K, Imai, T, Talamantes, F
This study was undertaken to determine whether transforming growth factor alpha (TGF-alpha) regulates the production of mouse placental lactogen I (mPL-I) and mPL-II in a manner that is similar to...
Hashinaka, K, Hashida, S, Hirota, K, Saitoh, A, Nakata, A, Shinagawa, H, ...
Anti-human immunodeficiency virus type 1 immunoglobulin G in urine was detected by an immunoassay with reverse transcriptase as the antigen and beta-D-galactosidase as the label; this immunoassay was...
8-Methyladenosine-substituted analogues of 2-5A: synthesis and their biological activities.
Kitade, Y, Nakata, Y, Hirota, K, Maki, Y, Pabuccuoglu, A, Torrence, P F
8-Methyladenosine-substituted analogues of 2-5A, p5'A2'p5'A2'p5'(me8A), p5'A2'p5'(me8A)2'p5'(me8A), p5'(me8A)2'p5'(me8A)2'p5'(me8A), and p5'(me8A) 2'p5'A2'p5'A, were prepared via a modification of a...
Sasada, T, Iwata, S, Sato, N, Kitaoka, Y, Hirota, K, Nakamura, K, ...
Thioredoxin is a small ubiquitous protein with multiple biological functions, including cellular defense mechanisms against oxidative stress. In the present study, we investigated the role of human...
Makino, Y, Okamoto, K, Yoshikawa, N, Aoshima, M, Hirota, K, Yodoi, J, ...
Adaptation to stress evokes a variety of biological responses, including activation of the hypothalamic-pituitary-adrenal (HPA) axis and synthesis of a panel of stress-response proteins at cellular...
Urinary excretion of isomers of biliverdin after destruction in vivo of haemoproteins and haemin.
Hirota, K, Yamamoto, S, Itano, H A
The amount and isomeric composition of urinary biliverdin in rabbits were analysed by h.p.l.c. Physiological values were maintained after the injection of haemin. On the other hand, when haemoglobins...
Ema, M, Hirota, K, Mimura, J, Abe, H, Yodoi, J, Sogawa, K, ...
Hypoxia-inducible factor 1 alpha (HIF1alpha) and its related factor, HLF, activate expression of a group of genes such as erythropoietin in response to low oxygen. Transfection analysis using fusion...
Oxidative degradation of haemoglobin by nitrosobenzene in the erythrocyte.
Hirota, K, Itano, H A, Vedvick, T S
Substitutions on the benzene ring of nitrosobenzene did not have the same effect on oxidative haemolysis as substitutions on phenylhydrazine. We previously found that the haemolytic effect of...
Yamaguchi, M, Ogren, L, Kurachi, H, Hirota, K, Imai, T, Talamantes, F
This study was undertaken to determine whether transforming growth factor alpha (TGF-alpha) regulates the production of mouse placental lactogen I (mPL-I) and mPL-II in a manner that is similar to...
Hashinaka, K, Hashida, S, Hirota, K, Saitoh, A, Nakata, A, Shinagawa, H, ...
Anti-human immunodeficiency virus type 1 immunoglobulin G in urine was detected by an immunoassay with reverse transcriptase as the antigen and beta-D-galactosidase as the label; this immunoassay was...
8-Methyladenosine-substituted analogues of 2-5A: synthesis and their biological activities.
Kitade, Y, Nakata, Y, Hirota, K, Maki, Y, Pabuccuoglu, A, Torrence, P F
8-Methyladenosine-substituted analogues of 2-5A, p5'A2'p5'A2'p5'(me8A), p5'A2'p5'(me8A)2'p5'(me8A), p5'(me8A)2'p5'(me8A)2'p5'(me8A), and p5'(me8A) 2'p5'A2'p5'A, were prepared via a modification of a...
Sasada, T, Iwata, S, Sato, N, Kitaoka, Y, Hirota, K, Nakamura, K, ...
Thioredoxin is a small ubiquitous protein with multiple biological functions, including cellular defense mechanisms against oxidative stress. In the present study, we investigated the role of human...
Makino, Y, Okamoto, K, Yoshikawa, N, Aoshima, M, Hirota, K, Yodoi, J, ...
Adaptation to stress evokes a variety of biological responses, including activation of the hypothalamic-pituitary-adrenal (HPA) axis and synthesis of a panel of stress-response proteins at cellular...
Urinary excretion of isomers of biliverdin after destruction in vivo of haemoproteins and haemin.
Hirota, K, Yamamoto, S, Itano, H A
The amount and isomeric composition of urinary biliverdin in rabbits were analysed by h.p.l.c. Physiological values were maintained after the injection of haemin. On the other hand, when haemoglobins...
Ema, M, Hirota, K, Mimura, J, Abe, H, Yodoi, J, Sogawa, K, ...
Hypoxia-inducible factor 1 alpha (HIF1alpha) and its related factor, HLF, activate expression of a group of genes such as erythropoietin in response to low oxygen. Transfection analysis using fusion...
Oxidative degradation of haemoglobin by nitrosobenzene in the erythrocyte.
Hirota, K, Itano, H A, Vedvick, T S
Substitutions on the benzene ring of nitrosobenzene did not have the same effect on oxidative haemolysis as substitutions on phenylhydrazine. We previously found that the haemolytic effect of...
Ogura, K, Kanai, F, Maeda, S, Yoshida, H, Ogura, M, Lan, K, ...
a Second Department of Internal Medicine, Faculty of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan, b Department of Internal Medicine, Mito Saiseikai Hospital, Mito,...
Smart, D, Hirst, R A, Hirota, K, Grandy, D K, Lambert, D G
The rat μ-opioid receptor has recently been cloned, yet its second messenger coupling remains unclear. The endogenous μ-opioid receptor in SH-SY5Y cells couples to phospholipase C (PLC), increases...
Kondo, K, Hirota, K, Katagiri, T
Clinical data on 244 probands with spinocerebellar types, 163 with late cortical cerebellar atrophies (LCCA), and 180 with olivopontocerebellar atrophies (OPCA) were analysed. Spinocerebellar cases...