Advanced Search
Display options
Filter resources
Text Availability
Article type
Publication date
Species
Language
Sex
Age
Showing 25 to 36 of 724 entries
Sorted by: Best Match Show Resources per page
Evaluation of the surface charge properties of porous graphitic carbon stationary phases treated with redox agents.

The Analyst

Shibukawa M, Terashima H, Nakajima H, Saitoh K.
PMID: 15213830
Analyst. 2004 Jul;129(7):623-8. doi: 10.1039/b403401e. Epub 2004 Jun 07.

The effect of treatment of porous graphitic carbon (PGC) stationary phases with hydrogen peroxide and with sodium sulfite on the retention behavior of analyte compounds has been investigated using benzene, aromatic sulfonate ions, and benzyltrialkylammonium ions as model compounds....

Conversion of a (sp3)C-F bond of alkyl fluorides to (sp3)C-X (X = Cl, C, H, O, S, Se, Te, N) bonds using organoaluminium reagents.

Chemical communications (Cambridge, England)

Terao J, Begum SA, Shinohara Y, Tomita M, Naitoh Y, Kambe N.
PMID: 17308654
Chem Commun (Camb). 2007 Feb 28;(8):855-7. doi: 10.1039/b613641a. Epub 2006 Nov 23.

A simple method for the conversion of (sp(3))C-F bonds of alkyl fluorides to (sp(3))C-X (X = Cl, C, H, O, S, Se, Te, N) bonds has been achieved by the use of a hexane solution of organoaluminum reagents having...

Reduced lateral leakage losses of TM-like modes in silicon-on-insulator ridge waveguides.

Optics letters

Koshiba M, Kakihara K, Saitoh K.
PMID: 18758594
Opt Lett. 2008 Sep 01;33(17):2008-10. doi: 10.1364/ol.33.002008.

We numerically investigate the lateral leakage loss behavior for TM-like modes in silicon-on-insulator ridge waveguides. In order to improve the leakage loss properties, we propose a novel ridge waveguide structure where a dimple is introduced at the ridge center....

Transverse light guides in microstructured optical fibers.

Optics letters

Skorobogatiy M, Saitoh K, Koshiba M.
PMID: 16480193
Opt Lett. 2006 Feb 01;31(3):314-6. doi: 10.1364/ol.31.000314.

A novel class of microstructured optical fiber coupler is introduced that operates by resonant, rather than proximity, energy transfer by means of transverse light guides built into a fiber cross section. Such a design permits significant spatial separation between...

New metallic carbon crystal.

Physical review letters

Itoh M, Kotani M, Naito H, Sunada T, Kawazoe Y, Adschiri T.
PMID: 19257523
Phys Rev Lett. 2009 Feb 06;102(5):055703. doi: 10.1103/PhysRevLett.102.055703. Epub 2009 Feb 04.

Recently, mathematical analysis clarified that sp;{2} hybridized carbon should have a three-dimensional crystal structure (K4) which can be regarded as a twin of the sp;{3} diamond crystal. In this study, various physical properties of the K4 carbon crystal, especially...

Coherent electron interference from amorphous TEM specimens.

Journal of electron microscopy

Herring RA, Saitoh K, Tanaka N, Tanji T.
PMID: 20511216
J Electron Microsc (Tokyo). 2010;59(5):321-9. doi: 10.1093/jmicro/dfq024. Epub 2010 May 27.

For the first time, the electron intensity on the diffraction plane from amorphous transmission electron microscope (TEM) specimens has been found to have sufficient coherence to produce fringes in interferograms that were created using a wavefront splitting method of...

Multifrequency high-speed phase-modulation atomic force microscopy in liquids.

Ultramicroscopy

Li YJ, Takahashi K, Kobayashi N, Naitoh Y, Kageshima M, Sugawara Y.
PMID: 20219283
Ultramicroscopy. 2010 May;110(6):582-5. doi: 10.1016/j.ultramic.2010.02.014. Epub 2010 Feb 23.

We have developed a new technique, called multifrequency high-speed phase-modulation atomic force microscopy (PM-AFM) in constant-amplitude (CA) mode based on the simultaneous excitation of the first two flexural modes of a cantilever. By performing a theoretical investigation, we have...

Strong infrared radiation through passive dispersive wave generation and its control.

Applied optics

Roy S, Ghosh D, Bhadra SK, Saitoh K, Koshiba M.
PMID: 21743556
Appl Opt. 2011 Jul 10;50(20):3475-81. doi: 10.1364/AO.50.003475.

We observe strong infrared (IR) radiation as a result of passive dispersive wave generation for a realistic microstructured fiber having two zero-dispersion wavelengths. The IR radiation frequency can be suitably controlled by varying the operational wavelength, which falls in...

[Adverse reactions due to dietary supplements and Chinese herbal drugs].

Masui. The Japanese journal of anesthesiology

Naito H.
PMID: 22462157
Masui. 2008 Nov;57:S8-17.

No abstract available.

Approximate empirical relations for nonlinear photonic crystal fibers.

Optics express

Saitoh K, Fujisawa T, Kirihara T, Koshiba M.
PMID: 19516835
Opt Express. 2006 Jul 10;14(14):6572-82. doi: 10.1364/oe.14.006572.

Approximate empirical relations for nonlinear photonic crystal fibers (PCFs) are newly proposed. Replacing a PCF with a conventional step-index fiber, closed form expressions for the effective refractive index and the effective core area of nonlinear PCFs are derived. To...

Acute posterior neck pain in adult: a case series.

Cases journal

Homma Y, Itoi A, Muta T, Shimamura Y, Naito K, Mogami A, Obayashi O, Murphy CG, Kaneko K.
PMID: 19918452
Cases J. 2009 Aug 25;2:8103. doi: 10.4076/1757-1626-2-8103.

Calcification around the cervical spine is thought to be relatively rare case, among these conditions the calcification at the longus colli muscle is called retropharyngeal tendinitis and only several cases were reported in the literature. In this disease, the...

The influence of a Si cantilever tip with/without tungsten coating on noncontact atomic force microscopy imaging of a Ge(001) surface.

Nanotechnology

Naitoh Y, Kinoshita Y, Jun Li Y, Kageshima M, Sugawara Y.
PMID: 19509444
Nanotechnology. 2009 Jul 01;20(26):264011. doi: 10.1088/0957-4484/20/26/264011. Epub 2009 Jun 10.

A sharp probe tip with atomic scale stability is essential and desirable for noncontact atomic force microscopy (NC-AFM) studies at the atomic scale. We observed a Ge(001) surface using both a Si cantilever and a tungsten coated Si cantilever...

Showing 25 to 36 of 724 entries