Segawa, Y., Aogi, K., Inoue, K., Sano, M., Sekine, I., Tokuda, Y., ...
Background: The 5-HT3 receptor antagonists (RAs) help maintain the standard of care, in various combinations with other agents, for prevention of chemotherapy-induced nausea and vomiting (CINV)....
Maemondo, M., Masuda, N., Sekine, I., Kubota, K., Segawa, Y., Shibuya, M., ...
Background: This is a randomized, double-blind, dose-ranging study in patients receiving highly emetogenic chemotherapy (HEC) to evaluate the safety, efficacy, and pharmacokinetics of palonosetron,...
Yoshida, J., Abe, S., Takahashi, D., Segawa, Y., Komai, Y., Tsujii, H., ...
We report linear thermal expansion and magnetostriction measurements for CeRu$_2$Si$_2$ in magnetic fields up to 52.6 mT and at temperatures down to 1 mK. At high temperatures, this compound showed...
Exotic radiation from a photonic crystal excited by an ultra-relativistic electron beam (2006)
Horiuchi, N., Ochiai, T., Inoue, J., Segawa, Y., Shibata, Y., Ishi, K., ...
We report the observation of an exotic radiation (unconventional Smith-Purcell radiation) from a one-dimensional photonic crystal. The physical origin of the exotic radiation is direct excitation of...
Majority-Carrier Mobilities in Undoped and \textit{n}-type Doped ZnO Epitaxial Layers (2005)
Makino, T., Segawa, Y., Tsukazaki, A., Ohtomo, A., Kawasaki, M.
Transparent and conductive ZnO:Ga thin films are prepared by laser molecular-beam epitaxy. Their electron properties were investigated by the temperature-dependent Hall-effect technique. The 300-K...
Spectral shape analysis of ultraviolet luminescence in \textit{n}-type ZnO:Ga (2005)
Makino, T., Segawa, Y., Yoshida, S., Tsukazaki, A., Ohtomo, A., Kawasaki, M., ...
Thin films of laser molecular-beam epitaxy grown \textit{n}-type Ga-doped ZnO were investigated with respect to their optical properties. Intense room-temperature photoluminescence (PL) in the...
Analysis on reflection spectra in strained ZnO thin films (2005)
Makino, T., Segawa, Y., Kawasaki, M., Ohtomo, A.
Thin films of laser molecular-beam epitaxy grown ZnO films were studied with respect to their optical properties. 4-K reflectivity was used to analyze various samples grown at different biaxial...
Electron transport in ZnO thin films (2005)
Makino, T., Segawa, Y., Tsukazaki, A., Ohtomo, A., Kawasaki, M.
Epitaxial, n-type ZnO films grown by a laser molecular-beam epitaxy method were investigated by the temperature-dependent Hall-effect technique. The 300-K carrier concentration and mobility were...
Exciton-optical-phonon coupling: comparison with experiments for ZnO quantum wells (2005)
Makino, T., Segawa, Y., Kawasaki, M.
The temperature-dependent linewidths of excitons in ZnO quantum wells were studied by measuring absorption spectra from 5 K to room temperature. We deduced experimentally the...
Makino, T., Segawa, Y., Kawasaki, M., Koinuma, H.
The optical properties of ZnO quantum wells, which have potential application of short-wavelength semiconductor laser utilizing a high-density excitonic effect, were investigated. Stimulated emission...
Optical Properties of Excitons in ZnO-based Quantum Well Heterostructures (2004)
Makino, T., Segawa, Y., Kawasaki, M., Koinuma, H.
Recently the developments in the field of II-VI-oxides have been spectacular. Various epitaxial methods has been used to grow epitaxial ZnO layers. Not only epilayers but also sufficiently...
Makino, T., Segawa, Y., Yoshida, S., Tsukazaki, A., Ohtomo, A., Kawasaki, M.
We investigated the optical properties of epitaxial \textit{n}-type ZnO films grown on lattice-matched ScAlMgO$_4$ substrates. As the Ga doping concentration increased up to $6 \times 10^{20}$...
Magneto-Optical Spectroscopy of Anatase TiO2 Doped with Co (2002)
Fukumura, T., Yamada, Y., Tamura, K., Nakajima, K., Aoyama, T., Tsukazaki, A., ...
Magneto-optical spectroscopy of a transparent ferromagnetic semiconductor, anatase TiO2 doped with Co, is carried out at room temperature. A large magneto-optical response with ferromagnetic field...
Phonon replicas in ZnO/ZnMgO multi-quantum wells. (2002)
Sun, H. D., Segawa, Y., Kawasaki, M., Ohtomo, A., Tamura, K., Koinuma, H.
The photoluminescence properties of ZnO/ZnMgO multiquantum wells have been investigated by continuous and time-resolved photoluminescence spectra at various temperatures. Strong first-order and...
Enhancement of exciton binding energies in ZnO/ZnMgO multi-quantum wells. (2002)
Makino, T., Segawa, Y., Kawasaki, M., Ohtomo, A., Tamura, K., Koinuma, H., ...
The effect of confinement on the exciton binding energies has been systematically investigated for two series of ZnO/ZnMgO multiquantum wells with various well widths and barrier heights. The exciton...
Makino, T., Tuan, N. T., Sun, H. D., Chia, C. H., Segawa, Y., Kawasaki, M., ...
We report on temperature dependence of excitonic photoluminescence (PL) from ZnO/(Mg, Zn)O multiple quantum wells (MQWs). Two kinds of MQWs having different barrier heights grown by laser...
Biexciton emission from ZnO/Zn0.74Mg0.26O multi-quantum wells. (2001)
Sun, H. D., Makino, T., Tuan, N. T., Segawa, Y., Kawasaki, M., Ohtomo, A., ...
Luminescence due to the radiative recombination of localized biexcitons has been observed at low temperature (5 K) in ZnO/Zn0.74Mg0.26O multiquantum wells grown by laser-molecular-beam epilaxy on a...
Sun, H. D., Makino, T., Tuan, N. T., Segawa, Y., Kawasaki, M., Ohtomo, A., ...
The excitonic properties of high-quality ZnO/Zn0.88Mg0.12O multiquantum wells grown by laser-molecular-beam epitaxy were investigated using temperature-dependent optical absorption spectra from 5 K...
Makino, T., Tuan, N. T., Sun, H. D., Chia, C. H., Segawa, Y., Kawasaki, M., ...
We report on temperature dependence of excitonic photoluminescence (PL) from ZnO/(Mg, Zn)O multiple quantum wells (MQWs). Two kinds of MQWs having different barrier heights grown by laser...
Makino, T., Chia, C. H., Tuan, N. T., Sun, H. D., Segawa, Y., Kawasaki, M., ...
We report on the optical properties of ZnO/(Mg, Zn)O multiple quantum wells (MQWs) on lattice-matched ScAlMgO4 substrates fabricated by laser molecular-beam epitaxy. As the well layer thickness...
Sun, H. D., Makino, T., Tuan, N. T., Segawa, Y., Tang, Z. K., Wong, G. K. L., ...
The mechanism of ultraviolet stimulated emission was investigated in ZnO/ZnMgO multiquantum wells. Stimulated emission induced by exciton–exciton scattering occurred throughout a range of...
Growth and Luminescence Spectroscopy of A CuCl Quantum Well Structure. (1998)
Williams, R. S., Shuh, D. K., Segawa, Y.
A structure of the type CaFa2/CuC1/CaF2, in which the confined layer is 150A thick, has been grown on a Si(111) surface by molecular beam epitaxy in ultra high vacuum. The optical properties of the...
AFM Study of Film Growth Kinetics in Heteroepitaxy. (1998)
Tong, W. M., Snyder, E. J., Williams, R. S., Yanase, A., Segawa, Y.
The growth of CuCl/CaF2 heterostructures has been studied with an atomic force microscope (AFM). We have grown by molecular beam epitaxy (MBE) CuCl thin films at various substrate temperatures and...
Atomic Force Microscope Studies of CuCl Island Formation on CaF2(111) Substrates. (1998)
Tong, W. M., Snyder, E. J., Willims, R. S., Yanase, A., Segawa, Y.
We have grown by molecular beam epitaxy (MBE) CuCl thin films at various thickness and substrate temperatures on CaF2 (111) substrates. Atomic Force Microscope (AFM) topographs reveal that islanding...
Self organized growth of II-VI wide band-gap qyantum dot structures (1997)
Zhu, Z, Arai, K, Kurtz, E, Chen, Y F, Tomasini, P, Bagnall, D M, ...
Self organized growth of II-VI wide band-gap qyantum dot structures (1997)
Zhu, Z, Arai, K, Kurtz, E, Chen, Y F, Tomasini, P, Bagnall, D M, ...
Self organized growth of II-VI wide band-gap qyantum dot structures (1997)
Zhu, Z, Arai, K, Kurtz, E, Chen, Y F, Tomasini, P, Bagnall, D M, ...
Brandt, W. N., Fabian, A. C., Dotani, T., Nagase, F., Inoue, H., Kotani, T., ...
We report on ASCA energy spectra of Cir X-1 taken near its zero phase on 1994 August 4-5. The ASCA SIS detectors allow a more detailed study of the iron K complex than has been possible before. We...
Yasui, T., Segawa, Y., Aoyagi, Y., Iimura, Y., Bauer, G.E.W., Mogi, I., ...
Properties of the inwardly rectifying K+ conductance in the toad retinal pigment epithelium.
An inwardly rectifying K+ current was analysed in isolated toad retinal pigment epithelial (RPE) cells using the perforated-patch clamp technique. The zero-current potential (Vo) of RPE cells...
cAMP-activated chloride currents in amphibian retinal pigment epithelial cells.
1. The effect of cAMP on whole-cell currents in isolated retinal pigment epithelial (RPE) cells of the bullfrog and marine toad was investigated by means of the perforated patch clamp technique. 2....
Properties of the inwardly rectifying K+ conductance in the toad retinal pigment epithelium.
An inwardly rectifying K+ current was analysed in isolated toad retinal pigment epithelial (RPE) cells using the perforated-patch clamp technique. The zero-current potential (Vo) of RPE cells...
cAMP-activated chloride currents in amphibian retinal pigment epithelial cells.
1. The effect of cAMP on whole-cell currents in isolated retinal pigment epithelial (RPE) cells of the bullfrog and marine toad was investigated by means of the perforated patch clamp technique. 2....
Carotid brainstem reflex myoclonus after hypoxic brain damage
Hanakawa, T., Hashimoto, S., Iga, K., Segawa, Y., Shibasaki, H.
A patient comatose after acute anoxia developed bilaterally synchronous, periodic myoclonic jerks most prominently in the bilateral upper limbs. Although the myoclonus seemed to occur spontaneously,...
Segawa, Y., Kageyama, M., Suzuki, S., Jinno, K., Takigawa, N., Fujimoto, N., ...
Anti-p53 antibodies in sera are known to be products of the host immune response to mutated p53 protein, and are present in some patients with various types of cancer. In this study, we measured...
Takigawa, N, Kiura, K, Segawa, Y, Watanabe, Y, Kamei, H, Moritaka, T, ...
Long-term cancer survivors risk development of second primary cancers (SPC). Vigilant follow-up may be required. We report outcomes of 92 patients who underwent chemoradiation for unresectable stage...
Ueoka, H, Tabata, M, Kiura, K, Shibayama, T, Gemba, K, Segawa, Y, ...
A combination chemotherapy of irinotecan (CPT-11) and cisplatin (CDDP) has been reported to be active for lung cancer. In the previous trial, however, diarrhoea and leucopenia became the major...
Segawa, Y, Ueoka, H, Kiura, K, Kamei, H, Tabata, M, Sakae, K, ...
A recent meta-analysis and randomized studies have demonstrated that combined chemoradiotherapy is associated with a survival advantage for selected patients with locally advanced unresectable...
Ueoka, H, Tanimoto, M, Kiura, K, Tabata, M, Takigawa, N, Segawa, Y, ...
A phase II study of fractionated administration of irinotecan (CPT-11) and cisplatin (CDDP) in patients with non-small-cell lung cancer (NSCLC) was conducted. Between January 1996 and January 1998,...
Phase II study of S-1, a novel oral fluorouracil, in advanced non-small-cell lung cancer
Kawahara, M, Furuse, K, Segawa, Y, Yoshimori, K, Matsui, K, Kudoh, S, ...
The purpose of this study was to evaluate the efficacy and safety of a novel oral anticancer fluoropyrimidine derivative, S-1, in patients receiving initial chemotherapy for unresectable, advanced...