A Systematic Measurement of Energy Resolution and (2007)
Ratio Of Lead, T. Suzuki, Y. Fujii, K. Hara, T. Ishizaki, F. Kajino, ...
The energy resolution and the e/# ratio of a lead/plastic-scintillator sampling calorimeter were measured for various volume ratios of the lead thickness to the scintillator thickness. For this...
Sasaki, M., Hukushima, K., Yoshino, H., Takayama, H.
The stability of the spin-glass phase against a magnetic field is studied in the three and four dimensional Edwards-Anderson Ising spin glasses. Effective couplings and effective fields associated...
Extended Scaling for Ferromagnets (2006)
Campbell, I. A., Hukushima, K., Takayama, H.
A simple systematic rule, inspired by high-temperature series expansion (HTSE) results, is proposed for optimizing the expression for thermodynamic observables of ferromagnets exhibiting critical...
Sasaki, M., Hukushima, K., Yoshino, H., Takayama, H.
Domain-wall free-energy $\delta F$, entropy $\delta S$, and the correlation function, $C_{\rm temp}$, of $\delta F$ are measured independently in the four-dimensional $\pm J$ Edwards-Anderson (EA)...
Campbell, I. A., Hukushima, K., Takayama, H.
From a consideration of high temperature series expansions in ferromagnets and in spin glasses, we propose an extended scaling scaling scheme involving a set of scaling formulae which express to...
Is Karenia a synonym of Asterodinium-Brachidinium (Gymnodiniales, Dinophyceae)? (2005)
Gómez, F., Nagahama, J., Takayama, H., Furuya, K.
From material collected in open waters of the NW and Equatorial Pacific Ocean the detailed morphology of brachidiniaceans based on two specimens of Asterodinium gracile is reported for the first...
Neel Temperature of Quasi-Low-Dimensional Heisenberg Antiferromagnets (2005)
Yasuda, C., Todo, S., Hukushima, K., Alet, F., Keller, M., Troyer, M., ...
The N\\\'eel temperature, $T_{\\rm N}$, of quasi-one- and quasi-two-dimensional antiferromagnetic Heisenberg models on a cubic lattice is calculated by Monte Carlo simulations as a function of...
Neel Temperature of Quasi-Low-Dimensional Heisenberg Antiferromagnets (2005)
Yasuda, C., Todo, S., Hukushima, K., Alet, F., Keller, M., Troyer, M., ...
The N\\\'eel temperature, $T_{\\rm N}$, of quasi-one- and quasi-two-dimensional antiferromagnetic Heisenberg models on a cubic lattice is calculated by Monte Carlo simulations as a function of...
Sasaki, M., Hukushima, K., Yoshino, H., Takayama, H.
Domain-wall free-energy $\delta F$, entropy $\delta S$, and the correlation function, $C_{\rm temp}$, of $\delta F$ are measured independently in the four-dimensional $\pm J$ Edwards-Anderson (EA)...
Sasaki, M., Hukushima, K., Yoshino, H., Takayama, H.
Domain-wall free-energy $\delta F$, entropy $\delta S$, and the correlation function, $C_{\rm temp}$, of $\delta F$ are measured independently in the four-dimensional $\pm J$ Edwards-Anderson (EA)...
Neel Temperature of Quasi-Low-Dimensional Heisenberg Antiferromagnets (2005)
Yasuda, C., Todo, S., Hukushima, K., Alet, F., Keller, M., Troyer, M., ...
The N\\\'eel temperature, $T_{\\rm N}$, of quasi-one- and quasi-two-dimensional antiferromagnetic Heisenberg models on a cubic lattice is calculated by Monte Carlo simulations as a function of...
Dynamical breakdown of the Ising spin-glass order under a magnetic field (2004)
Jönsson, P. E., Takayama, H., Katori, H. Aruga, Ito, A.
The dynamical magnetic properties of an Ising spin glass Fe$_{0.55}$Mn$_{0.45}$TiO$_3$ are studied under various magnetic fields. Having determined the temperature and static field dependent...
Sasaki, M., Hukushima, K., Yoshino, H., Takayama, H.
Domain-wall free-energy $\delta F$, entropy $\delta S$, and the correlation function, $C_{\rm temp}$, of $\delta F$ are measured independently in the four-dimensional $\pm J$ Edwards-Anderson (EA)...
Aging and Memory Effects in Superparamagnets and Superspin Glasses (2004)
Sasaki, M., Jönsson, P. E., Takayama, H., Mamiya, H.
Many dense magnetic nanoparticle systems exhibit slow dynamics which is qualitatively indistinguishable from that observed in atomic spin glasses and its origin is attributed to dipole interactions...
Absence of rejuvenation in a Superspin Glass (2004)
Jönsson, P. E., Yoshino, H., Mamiya, H., Takayama, H.
Effects of temperature changes on the nonequilibrium spin-glass dynamics of a strongly interacting ferromagnetic nanoparticle system (superspin glass) are studied. In contrary to atomic spin glasses,...
Neel Temperature of Quasi-Low-Dimensional Heisenberg Antiferromagnets (2003)
Yasuda, C., Todo, S., Hukushima, K., Alet, F., Keller, M., Troyer, M., ...
The N\'eel temperature, $T_{\rm N}$, of quasi-one- and quasi-two-dimensional antiferromagnetic Heisenberg models on a cubic lattice is calculated by Monte Carlo simulations as a function of...
Comment on "Memory Effects in an Interacting Magnetic Nanoparticle System" (2003)
Sasaki, M., Jönsson, P. E., Takayama, H., Nordblad, P.
In Phys. Rev. Lett. 91 167206 (2003), Sun et al. study memory effects in an interacting nanoparticle system with specific temperature and field protocols. The authors claim that the observed memory...
Aging phenomena in spin glasses: theory, experiment, and simulation (2003)
We study numerically temperature-shift and field-shift aging protocols on the 3-dimensional (3D) Ising Edwards-Anderson (EA) spin-glass (SG) model focusing on respectively the temperature-chaos...
Todo, S., Takayama, H., Kawashima, N.
This is a reply to the comment by A. W. Sandvik (cond-mat/0010433) on our paper Phys. Rev. Lett. 84, 4204 (2000). We show that his data do not conflict with our data nor with our conclusions.
Yasuda, C., Todo, S., Harada, K., Kawashima, N., Miyashita, S., Takayama, H.
Critical behavior of the quantum phase transition of a site-diluted Heisenberg antiferromagnet on a square lattice is investigated by means of the quantum Monte Carlo simulation with the...
Takayama, H., Yoshino, H., Komori, T.
Using Monte Carlo simulations, we have studied aging phenomena in three-dimensional Gaussian Ising spin-glass model focusing on quasi-equilibrium behavior of the spin auto-correlation functions. Weak...
Quantum Phase Transition of Randomly-Diluted Heisenberg Antiferromagnet on a Square Lattice (1999)
Kato, K., Todo, S., Harada, K., Kawashima, N., Miyashita, S., Takayama, H.
Ground-state magnetic properties of the diluted Heisenberg antiferromagnet on a square lattice are investigated by means of the quantum Monte Carlo method with the continuous-time loop algorithm. It...
Fully Frustrated Ising System on a 3D Simple Cubic Lattice: Revisited (1998)
Bernardi, L. W., Hukushima, K., Takayama, H.
Using extensive Monte Carlo simulations, we clarify the critical behaviour of the 3 dimensional simple cubic Ising Fully Frustrated system. We find two transition temperatures and two long range...
Campbell, IA, Hammann, J, Kawamura, H, McKenzie, RH, Nordblad, P, Orbach, R, ...
Spin glasses are magnetic systems with conflicting and random interactions between the individual spins. The dynamics of spin glasses, as of structural glasses, reflect their complexity. Both in...
Campbell, IA, Hammann, J, Kawamura, H, McKenzie, RH, Nordblad, P, Orbach, R, ...
Spin glasses are magnetic systems with conflicting and random interactions between the individual spins. The dynamics of spin glasses, as of structural glasses, reflect their complexity. Both in...
Undifferentiated pancreatic cancer associated with humoral hypercalcemia of malignancy (1998)
Kakizaki, S, Ohya, N, Yoshinaga, T, Higuchi, T, Kitazawa, R, Takayama, H, ...
An approach is proposed to the Hopfield model where the mean-field treatment is made for a given set of stored patterns (sample) and then the statistical average over samples is taken. This...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
TEMPERATURE DEPENDENCE OF NMR T1 AND χ IN Br3, AsF6-DOPED (CH)x (1983)
Kume, K., Mizuno, K., Mizoguchi, K., Nomura, K., Takayama, H., Ishihara, S., ...
We have measured the temperature dependence of proton NMR T1 and Pauli paramagnetic susceptibility χp in Br3- and AsF6-doped (CH)x. The microscopic conductivity σNMR has been calculated...
STRONG-COUPLING THEORY FOR DISORDERED SUPERCONDUCTORS (1974)
We study the electron-phonon interaction in a disordered metal, emphasizing on a problem how lack of a translational symmetry affects characteristic features of the interaction. In the...
STRONG-COUPLING THEORY FOR DISORDERED SUPERCONDUCTORS (1974)
We study the electron-phonon interaction in a disordered metal, emphasizing on a problem how lack of a translational symmetry affects characteristic features of the interaction. In the...
STRONG-COUPLING THEORY FOR DISORDERED SUPERCONDUCTORS (1974)
We study the electron-phonon interaction in a disordered metal, emphasizing on a problem how lack of a translational symmetry affects characteristic features of the interaction. In the...
Takayama, H, La Rochelle, W J, Anver, M, Bockman, D E, Merlino, G
Factors that regulate cellular migration during embryonic development are essential for tissue and organ morphogenesis. Scatter factor/hepatocyte growth factor (SF/HGF) can stimulate motogenic and...
Ijichi, K, Fujiwara, M, Hanasaki, Y, Watanabe, H, Katsuura, K, Takayama, H, ...
4-(2,6-Dichlorophenyl)-1,2,5-thiadiazol-3-yl N,N-dialkylcarbamate (TDA) derivatives were found to be highly potent and specific inhibitors of human immunodeficiency virus type 1 (HIV-1) replication...
Hiramatsu, K, Suzuki, E, Takayama, H, Katayama, Y, Yokota, T
The stability of methicillin resistance (Mcr) in three independent clinical isolates, MR108, MR6, and MR61, of methicillin-resistant Staphylococcus aureus (MRSA) was studied. The Mcr phenotype was...
Inada, M, Kasagi, K, Kurata, S, Kazama, Y, Takayama, H, Torizuka, K, ...
Studies on peripheral metabolism of simultaneously administered 125-I-labeled L-thyroxine ([125-I]T4) and 131-I labeled L-trilodothyronine ([131-I]T3) were performed in five normal subjects, in four...
Berrebi, G, Takayama, H, Sitkovsky, M V
We show that phorbol esters and Ca2+ ionophores can trigger the lysis of nonantigen-bearing target cells by cytotoxic T lymphocytes. This effect obviates the requirement for antigen-receptor-mediated...
Differences in the side-chain metabolism of vitamin D3 between chickens and rats.
Yamada, S, Ino, E, Takayama, H, Horiuchi, N, Shinki, T, Suda, T, ...
In vitro metabolism of 25-hydroxy-24-oxovitamin D3 was studied in kidney homogenates from vitamin D-supplemented chickens and rats. In chicken homogenates, 25-hydroxy-24-oxovitamin D3 was converted...
Takayama, H, Kroll, M H, Gimbrone, M A, Schafer, A I
Using cultured human umbilical vein endothelial cells, in which phosphatidylcholine (PC) is equally pulse-labelled by various eicosanoid precursor fatty acids (EPFAs), we have studied the remodelling...
Hirai, K, Takayama, H, Tomo, K, Okuma, M
Endothelial cells possess constitutive or inducible cyclo-oxygenase (COX) isoenzymes for prostacyclin production, but the mechanisms for their expression are largely unknown. We found that vanadate,...
Takayama, H, La Rochelle, W J, Anver, M, Bockman, D E, Merlino, G
Factors that regulate cellular migration during embryonic development are essential for tissue and organ morphogenesis. Scatter factor/hepatocyte growth factor (SF/HGF) can stimulate motogenic and...
Ijichi, K, Fujiwara, M, Hanasaki, Y, Watanabe, H, Katsuura, K, Takayama, H, ...
4-(2,6-Dichlorophenyl)-1,2,5-thiadiazol-3-yl N,N-dialkylcarbamate (TDA) derivatives were found to be highly potent and specific inhibitors of human immunodeficiency virus type 1 (HIV-1) replication...
Hiramatsu, K, Suzuki, E, Takayama, H, Katayama, Y, Yokota, T
The stability of methicillin resistance (Mcr) in three independent clinical isolates, MR108, MR6, and MR61, of methicillin-resistant Staphylococcus aureus (MRSA) was studied. The Mcr phenotype was...
Inada, M, Kasagi, K, Kurata, S, Kazama, Y, Takayama, H, Torizuka, K, ...
Studies on peripheral metabolism of simultaneously administered 125-I-labeled L-thyroxine ([125-I]T4) and 131-I labeled L-trilodothyronine ([131-I]T3) were performed in five normal subjects, in four...
Berrebi, G, Takayama, H, Sitkovsky, M V
We show that phorbol esters and Ca2+ ionophores can trigger the lysis of nonantigen-bearing target cells by cytotoxic T lymphocytes. This effect obviates the requirement for antigen-receptor-mediated...
Differences in the side-chain metabolism of vitamin D3 between chickens and rats.
Yamada, S, Ino, E, Takayama, H, Horiuchi, N, Shinki, T, Suda, T, ...
In vitro metabolism of 25-hydroxy-24-oxovitamin D3 was studied in kidney homogenates from vitamin D-supplemented chickens and rats. In chicken homogenates, 25-hydroxy-24-oxovitamin D3 was converted...
Takayama, H, Kroll, M H, Gimbrone, M A, Schafer, A I
Using cultured human umbilical vein endothelial cells, in which phosphatidylcholine (PC) is equally pulse-labelled by various eicosanoid precursor fatty acids (EPFAs), we have studied the remodelling...
Hirai, K, Takayama, H, Tomo, K, Okuma, M
Endothelial cells possess constitutive or inducible cyclo-oxygenase (COX) isoenzymes for prostacyclin production, but the mechanisms for their expression are largely unknown. We found that vanadate,...
Kataoka, T, Togashi, K, Takayama, H, Takaku, K, Nagai, K
In our recent studies, an inhibitor of vacuolar-type H(+)-ATPase, concanamycin A (CMA) has been shown to neutralize acidic pH in vacuolar organelles, including lytic granules, and to decrease the...
Campbell, IA, Hammann, J, Kawamura, H, McKenzie, RH, Nordblad, P, Orbach, R, ...
Spin glasses are magnetic systems with conflicting and random interactions between the individual spins. The dynamics of spin glasses, as of structural glasses, reflect their complexity. Both in...
Toyoda, M, Takagi, H, Horiguchi, N, Kakizaki, S, Sato, K, Takayama, H, ...
Background and aims: Induction of apoptosis of cancer cells through ligands of nuclear hormone receptors (NHRs) is a new approach in cancer therapy. Recently, one of the NHRs, peroxisome proliferator...
A case of sinus arrest caused by opening the mouth under general anesthesia.
Seo, K., Takayama, H., Araya, Y., Miura, K., Someya, G.
We report a case in which transient sinus arrest was observed under general anesthesia. This was associated with opening the mouth and was thought to be caused by a trigeminovagal reflex. The reflex...
Seo, K., Takayama, H., Araya, Y., Miura, K., Tanaka, Y., Kobayashi, Y., ...
Indirect inhibition of an external temporary pacemaker by electrocautery is reported. Before induction of general anesthesia for a hemimaxillectomy and radical neck dissection, a temporary...
Acute hypertension elicited by noxious tooth stimulation disrupts blood-brain barrier.
Iijima, T., Mochizuki, M., Takayama, H., Ito, H., Kubota, Y.
A case of postganglionic cholinergic dysautonomia.
Takayama, H, Kazahaya, Y, Kashihara, N, Kuroda, H, Miyawaki, S, Ota, Z, ...
A 24 year old female presented with signs and symptoms of postganglionic cholinergic autonomic dysfunction manifested by impaired lachrymation and salivation, mydriasis of the pupil, decreased...
Early administration of Bifidobacterium breve to preterm infants: randomised controlled trial
Kitajima, H., Sumida, Y., Tanaka, R., Yuki, N., Takayama, H., Fujimura, M.
AIM—To investigate the colonisation with Bifidobacterium breve of the bowels of very low birthweight (VLBW) infants. METHODS—The adverse effects of B breve were examined in 66 VLBW infants...
Nonomura, N, Takayama, H, Nishimura, K, Oka, D, Nakai, Y, Shiba, M, ...
Mast cell infiltration is often observed around human tumours. Inflammatory cells such as macrophages, neutrophils and mast cells infiltrating around tumours are known to contribute to tumour growth;...