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Showing 13 to 24 of 724 entries
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Design and optimization of 32-core rod/trench assisted square-lattice structured single-mode multi-core fiber.

Optics express

Xie X, Tu J, Zhou X, Long K, Saitoh K.
PMID: 28380777
Opt Express. 2017 Mar 06;25(5):5119-5132. doi: 10.1364/OE.25.005119.

We propose and design a kind of heterogeneous rod-assisted and trench-assisted multi-core fiber (Hetero-RA-TA-MCF) with 32 cores arranged in square-lattice structure (SLS), and then we introduce the design method for Hetero-RA-TA-MCF. Simulation results show that the Hetero-RA-TA-32-Core-Fiber achieves average...

Quasi-unit-cell model for an Al-Ni-Co ideal quasicrystal based on clusters with broken tenfold symmetry.

Physical review letters

Abe E, Saitoh K, Takakura H, Tsai AP, Steinhardt PJ, Jeong H.
PMID: 10990752
Phys Rev Lett. 2000 May 15;84(20):4609-12. doi: 10.1103/PhysRevLett.84.4609.

We present new evidence supporting the quasi-unit-cell description of the Al72Ni20Co8 decagonal quasicrystal which shows that the solid is composed of repeating, overlapping decagonal cluster columns with broken tenfold symmetry. We propose an atomic model which gives a significantly...

Modafinil, d-amphetamine and placebo during 64 hours of sustained mental work. I. Effects on mood, fatigue, cognitive performance and body temperature.

Journal of sleep research

Pigeau R, Naitoh P, Buguet A, McCann C, Baranski J, Taylor M, Thompson M, MacK I.
PMID: 10607161
J Sleep Res. 1995 Dec;4(4):212-228. doi: 10.1111/j.1365-2869.1995.tb00172.x.

Modafinil is an alerting substance that is considered safer than amphetamine with fewer side effects. Although modafinil has been used successfully to treat narcolepsy, relatively little is known about its ability to ameliorate fatigue and declines in mental performance...

Gene therapy for prostate cancer.

Prostate cancer and prostatic diseases

Naitoh J, Belldegrun A.
PMID: 12496894
Prostate Cancer Prostatic Dis. 1998 Jun;1(4):189-196. doi: 10.1038/sj.pcan.4500242.

The treatment options for the patient with advanced prostate cancer are limited. Due to the recent advances in the understanding of the molecular biology of prostate cancer, the easy accessibility of the gland for injection, and the availability of...

Distinction of space groups (I23 and I2(1)3) and (I222 and I2(1)2(1)2(1)) using coherent convergent-beam electron diffraction.

Acta crystallographica. Section A, Foundations of crystallography

Tsuda K, Saitoh K, Terauchi M, Tanaka M, Goodman P.
PMID: 10916645
Acta Crystallogr A. 2000 Jul;56:359-69. doi: 10.1107/s0108767300004001.

Convergent-beam electron diffraction (CBED) is well known as a powerful tool to determine space groups of crystals. However, it cannot distinguish several sets of space groups. It is shown theoretically that the coherent CBED method can distinguish between space...

Structural study of an Al73Ni22Fe5 decagonal quasicrystal by high-angle annular dark-field scanning transmission electron microscopy.

Journal of electron microscopy

Saitoh K, Tanaka M, Tsai AP.
PMID: 11469408
J Electron Microsc (Tokyo). 2001;50(3):197-203. doi: 10.1093/jmicro/50.3.197.

A water-quenched Al73Ni22Fe5 decagonal quasicrystal was investigated by the selected-area electron diffraction, convergent-beam electron diffraction and high-angle annular dark-field scanning transmission electron microscope methods. The alloy shows very sharp spots and nearly no diffuse scattering in the diffraction patterns,...

Collection of iron(III) from homogeneous aqueous solutions on membrane filters using Chromazurol B with Triton X-100.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Ihara K, Hasegawa S, Naito K.
PMID: 12608757
Anal Sci. 2003 Feb;19(2):265-8. doi: 10.2116/analsci.19.265.

A membrane filtration method was examined concerning the effective collection of iron(III) from a homogeneous aqueous solution with Chromazurol B (CAB), one of the triphenylmethane dyes, as a precipitating reagent in the presence of a non-ionic surfactant, polyethylene glycol...

Flow Cytometric Assay of c-erbB-2 Protein in Fine Needle Aspirates of Fresh and Frozen Human Breast Cancer Tissues.

Breast cancer (Tokyo, Japan)

Iwata H, Kobayashi S, Iwase H, Itoh Y, Kuzushima T, Naitoh A, Yamashita T, Itoh K, Toyama T, Masaoka A.
PMID: 11091562
Breast Cancer. 1996 Jun 28;3(2):111-117. doi: 10.1007/BF02966971.

Using FCM (flow cytometry), we analyzed the ErbB-2 (c-erbB-2 protein) status of 61 breast cancer tissue samples obtained by FNAB (fine-needle aspiration biopsy). The number of cancer cells collected by FNAB from fresh samples was 1.7+/-0.7 x10&sup5;, 2.5 +/-0.6...

Hypoxia and hypercapnia affect contractile and histological properties of rat diaphragm and hind limb muscles.

Pathophysiology : the official journal of the International Society for Pathophysiology

Shiota S, Okada T, Naitoh H, Ochi R, Fukuchi Y.
PMID: 15177512
Pathophysiology. 2004 Jul;11(1):23-30. doi: 10.1016/j.pathophys.2003.09.003.

The effects of hypoxia and hypercapnia on contractile and histological properties of the diaphragm and skeletal muscles of the hind limb were examined. Eight-week-old male Sprague-Dawley rats ( [Formula: see text] ) were kept in hypobaric hypoxic ( [Formula:...

Identification of fragmented bones based on anthropological and DNA analyses: case report.

Legal medicine (Tokyo, Japan)

Imaizumi K, Saitoh K, Sekiguchi K, Yoshino M.
PMID: 12935661
Leg Med (Tokyo). 2002 Dec;4(4):251-6. doi: 10.1016/s1344-6223(02)00035-4.

This report describes a forensic case work where both the anthropological analyses and the DNA analysis contributed to establish a link between the fragmented bones and a victim. A total of 54 bone fragments were excavated from a crime...

Photonic bandgap fibers with resonant structures for tailoring the dispersion.

Optics express

Várallyay Z, Saitoh K, Szabó A, Szipocs R.
PMID: 19582101
Opt Express. 2009 Jul 06;17(14):11869-83. doi: 10.1364/oe.17.011869.

Numerical simulations on different kinds of realistic photonic bandgap fibers exhibiting reversed dispersion slope for the propagating fundamental mode are reported. We show that reversed or flat dispersion functions in a wide wavelength range using hollow-core, air-silica photonic bandgap...

Rheology of a granular gas under a plane shear.

Physical review. E, Statistical, nonlinear, and soft matter physics

Saitoh K, Hayakawa H.
PMID: 17358332
Phys Rev E Stat Nonlin Soft Matter Phys. 2007 Feb;75(2):021302. doi: 10.1103/PhysRevE.75.021302. Epub 2007 Feb 08.

The rheology of a two-dimensional granular gas under a plane shear is investigated. From the comparison among the discrete element method, the simulation of a set of hydrodynamic equation, and the analytic solution of the steady hydrodynamic equations, it...

Showing 13 to 24 of 724 entries