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Showing 25 to 36 of 702 entries
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Characterization of oxide scales thermally formed on single-crystal silicon carbide.

Journal of electron microscopy

Chayasombat B, Kato T, Hirayama T, Tokunaga T, Sasaki K, Kuroda K.
PMID: 20554755
J Electron Microsc (Tokyo). 2010 Aug;59:S123-7. doi: 10.1093/jmicro/dfq039. Epub 2010 Jun 16.

Microstructures of oxide scales thermally formed on single-crystal silicon carbide were investigated using transmission electron microscopy. The oxide scales were formed on the Si-face of 6H-SiC at 1273-1473 K in dry oxygen. Spherical patterns were observed on the surfaces...

Holographic recording by dye-sensitized photopolymerization of acrylamide.

Applied optics

Sugawara S, Murase K, Kitayama T.
PMID: 20134894
Appl Opt. 1975 Feb 01;14(2):378-82. doi: 10.1364/AO.14.000378.

The dye-sensitized photopolymerization of acrylamide was investigated in order to obtain new holographic recording media that have high diffraction efficiency and a long photosensitive life. The characteristics of the photosensitive system, containing methylene blue as a photosensitizer and acetylacetone...

Serum concentration of 27-hydroxycholesterol predicts the effects of high-cholesterol diet on plasma LDL cholesterol level.

Hepatology research : the official journal of the Japan Society of Hepatology

Hirayama T, Mizokami Y, Honda A, Homma Y, Ikegami T, Saito Y, Miyazaki T, Matsuzaki Y.
PMID: 19208035
Hepatol Res. 2009 Feb;39(2):149-56. doi: 10.1111/j.1872-034X.2008.00450.x.

AIM: The effect of dietary cholesterol on plasma cholesterol concentrations varies widely among individuals. Recent studies suggest that the synthesis of oxysterols is up-regulated when tissue cholesterol is saturated. The present study was undertaken to test the hypothesis that...

Efficient generation of Xe K-shell x rays by high-contrast interaction with submicrometer clusters.

Optics letters

Hayashi Y, Pirozhkov AS, Kando M, Fukuda Y, Faenov A, Kawase K, Pikuz T, Nakamura T, Kiriyama H, Okada H, Bulanov SV.
PMID: 21540945
Opt Lett. 2011 May 01;36(9):1614-6. doi: 10.1364/OL.36.001614.

The interaction between a 25 TW laser and Xe clusters at a peak intensity of 1 × 10¹⁹ W/cm² has been investigated. Xe K-shell x rays, whose energies are approximately 30 keV, were clearly observed with a hard x-ray...

Spherical aberration correction using a liquid-crystal spatial-light modulator in off-axis electron holography.

Applied optics

Chen J, Hirayama T, Ishizuka K, Tonomura A.
PMID: 20941198
Appl Opt. 1994 Oct 01;33(28):6597-602. doi: 10.1364/AO.33.006597.

One can correct spherical aberration in a transmission electron microscope by using a newly developed aberration-correction method involving off-axis electron holography. In this method, a liquid-crystal spatial-light modulator (LC SLM) is employed during the holographic reconstruction step to compensate...

Optimal erythrocyte ribavirin level to reduce the risk of anemia and obtain an early virological response in patients with chronic hepatitis C caused by genotype 1b infection.

Hepatitis research and treatment

Kubota R, Komiyama T, Kumagai N, Kimijima M, Mitsuki K, Uetake J, Kaneko F, Tsunematsu S, Tsuchimoto K.
PMID: 21151503
Hepat Res Treat. 2010;2010:495928. doi: 10.1155/2010/495928. Epub 2010 Sep 08.

Aims. To determine whether the erythrocyte phosphorylated ribavirin (RBV) level might be a useful index of EVR and risk of anemia and to determine the optimal dose of RBV in 24 patients with hepatitis C with pegylated interferon and...

Electron optical injection with head-on and countercrossing colliding laser pulses.

Physical review letters

Kotaki H, Daito I, Kando M, Hayashi Y, Kawase K, Kameshima T, Fukuda Y, Homma T, Ma J, Chen LM, Esirkepov TZh, Pirozhkov AS, Koga JK, Faenov A, Pikuz T, Kiriyama H, Okada H, Shimomura T, Nakai Y, Tanoue M, Sasao H, Wakai D, Matsuura H, Kondo S, Kanazawa S, Sugiyama A, Daido H, Bulanov SV.
PMID: 20365929
Phys Rev Lett. 2009 Nov 06;103(19):194803. doi: 10.1103/PhysRevLett.103.194803. Epub 2009 Nov 02.

A high stability electron bunch is generated by laser wakefield acceleration with the help of a colliding laser pulse. The wakefield is generated by a laser pulse; the second laser pulse collides with the first pulse at 180 degrees...

Enhancement of photon number reflected by the relativistic flying mirror.

Physical review letters

Kando M, Pirozhkov AS, Kawase K, Esirkepov TZh, Fukuda Y, Kiriyama H, Okada H, Daito I, Kameshima T, Hayashi Y, Kotaki H, Mori M, Koga JK, Daido H, Faenov AY, Pikuz T, Ma J, Chen LM, Ragozin EN, Kawachi T, Kato Y, Tajima T, Bulanov SV.
PMID: 20366154
Phys Rev Lett. 2009 Dec 04;103(23):235003. doi: 10.1103/PhysRevLett.103.235003. Epub 2009 Dec 04.

Laser light reflection by a relativistically moving electron density modulation (flying mirror) in a wake wave generated in a plasma by a high intensity laser pulse is investigated experimentally. A counterpropagating laser pulse is reflected and upshifted in frequency...

Pneumocephalus as a complication of esophageal carcinoma.

International journal of emergency medicine

Shimizu T, Tokuyama Y, Shimomura K, Hirayama T, Arai T, Enomoto T, Miura K, Otsubo T, Hasegawa Y.
PMID: 21373344
Int J Emerg Med. 2010 Aug 21;3(4):503-4. doi: 10.1007/s12245-010-0215-7.

No abstract available.

Stereotactic body radiotherapy for metachronous multisite oligo-recurrence: a long-surviving case with sequential oligo-recurrence in four different organs treated using locally radical radiotherapy and a review of the literature.

Pulmonary medicine

Onishi H, Ozaki M, Kuriyama K, Komiyama T, Marino K, Araya M, Saito R, Aoki S, Maehata Y, Tominaga L, Oguri M, Watanabe I, Onohara K, Watanabe M, Sano N, Araki T.
PMID: 23150822
Pulm Med. 2012;2012:713073. doi: 10.1155/2012/713073. Epub 2012 Oct 23.

Stereotactic body radiotherapy (SBRT) for oligometastases represents a recent trend in radiation oncology. While abundant data are available regarding the use of SBRT for the treatment of lung or liver oligometastases from various retrospective series and prospective trials, relatively...

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...

Lower doses of 6-mercaptopurine/azathioprine bring enough clinical efficacy and therapeutic concentration of erythrocyte 6-mercaptopurine metabolite in Japanese IBD patients.

Journal of Crohn's & colitis

Komiyama T, Yajima T, Kubota R, Iwao Y, Sakuraba A, Funakoshi S, Negishi K, Minami I, Tanaka Y, Mae H, Hibi T.
PMID: 21172230
J Crohns Colitis. 2008 Dec;2(4):315-21. doi: 10.1016/j.crohns.2008.05.002. Epub 2008 Jul 03.

No abstract available.

Showing 25 to 36 of 702 entries