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Showing 25 to 36 of 512 entries
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Electro-optic integration of embedded electrodes and waveguides in LiNbO3 using a femtosecond laser.

Optics letters

Liao Y, Xu J, Cheng Y, Zhou Z, He F, Sun H, Song J, Wang X, Xu Z, Sugioka K, Midorikawa K.
PMID: 18830378
Opt Lett. 2008 Oct 01;33(19):2281-3. doi: 10.1364/ol.33.002281.

We describe the fabrication of a Mach-Zehnder optical modulator in LiNbO(3) by femtosecond laser micromachining, which is composed of optical waveguides inscripted by a femtosecond laser and embedded microelectrodes subsequently fabricated using femtosecond laser ablation and selective electroless plating....

Attenuated total reflection surface-enhanced infrared absorption microspectroscopy for identification of small thin layers on material surfaces.

Applied spectroscopy

Sudo E, Esaki Y, Sugiura M, Murase A.
PMID: 17389066
Appl Spectrosc. 2007 Mar;61(3):269-75. doi: 10.1366/000370207780220886.

Attenuated total reflection surface-enhanced infrared absorption microspectroscopy (micro-ATR-SEIRA) was developed for the identification of sub-mm size and nm-thick layers on material surfaces by using gold island films deposited on the surface of micro-ATR crystals. A thin layer of triphenyl...

Determination of the partition coefficient of triflupromazine between phosphatidylcholine vesicles and water by (19)F nuclear magnetic resonance spin-lattice relaxation time measurement.

Talanta

Kitamura K, Yamamoto M, Takegami S, Sugiura M.
PMID: 18967595
Talanta. 1999 Jun 14;49(2):261-5. doi: 10.1016/s0039-9140(98)00384-1.

The (19)F nuclear magnetic resonance (NMR) spin-lattice relaxation time (T(1)) of the trifluoromethyl signal of triflupromazine (TFZ) was measured in aqueous suspensions of phosphatidylcholine (lecithin) small unilamellar vesicles (SUV). The observed T(1) value depended on the concentration of SUV....

The genomics of land plant chloroplasts: Gene content and alteration of genomic information by RNA editing.

Photosynthesis research

Wakasugi T, Tsudzuki T, Sugiura M.
PMID: 16228365
Photosynth Res. 2001;70(1):107-18. doi: 10.1023/A:1013892009589.

The entire nucleotide sequence of the chloroplast genome has been determined from 12 land plants. The gene content and arrangement are relatively uniform from species to species, and the genome contains an average of 111 identified gene species (except...

Suppression of reverse flows in pumping by induced-charge electro-osmosis using asymmetrically stacked elliptical metal posts.

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

Sugioka H.
PMID: 19113242
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Nov;78(5):057301. doi: 10.1103/PhysRevE.78.057301. Epub 2008 Nov 25.

Several researchers have analyzed pumps that employ induced-charge electro-osmosis (ICEO) using mainly coplanar electrode array structures in a lateral electric field. We propose ICEO pumps that remove reverse flows using asymmetrically stacked elliptical metal posts and numerically examine the...

Chaotic mixer using electro-osmosis at finite Péclet number.

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

Sugioka H.
PMID: 20365853
Phys Rev E Stat Nonlin Soft Matter Phys. 2010 Mar;81(3):036306. doi: 10.1103/PhysRevE.81.036306. Epub 2010 Mar 05.

Two pressure-driven streams of two miscible liquids can only mix by diffusion in microfluidic channels because of the low Reynolds number. We present an idea to generate mixing by "chaotic advection" in microscale geometries. That is, we consider using...

The complete nucleotide sequence of the tobacco chloroplast genome: its gene organization and expression.

The EMBO journal

Shinozaki K, Ohme M, Tanaka M, Wakasugi T, Hayashida N, Matsubayashi T, Zaita N, Chunwongse J, Obokata J, Yamaguchi-Shinozaki K, Ohto C, Torazawa K, Meng BY, Sugita M, Deno H, Kamogashira T, Yamada K, Kusuda J, Takaiwa F, Kato A, Tohdoh N, Shimada H, Sugiura M.
PMID: 16453699
EMBO J. 1986 Sep;5(9):2043-2049.

The complete nucleotide sequence (155 844 bp) of tobacco (Nicotiana tabacum var. Bright Yellow 4) chloroplast DNA has been determined. It contains two copies of an identical 25 339 bp inverted repeat, which are separated by a 86 684...

Factors stimulating propagation of legionellae in cooling tower water.

Applied and environmental microbiology

Yamamoto H, Sugiura M, Kusunoki S, Ezaki T, Ikedo M, Yabuuchi E.
PMID: 16348704
Appl Environ Microbiol. 1992 Apr;58(4):1394-7. doi: 10.1128/aem.58.4.1394-1397.1992.

Our survey of cooling tower water demonstrated that the highest density of legionellae, >/=10 CFU/100 ml, appeared in water containing protozoa, >/=10 MPN/100 ml, and heterotrophic bacteria, >/=10 CFU/100 ml, at water temperatures between 25 and 35 degrees C....

Direct observation of chiral susceptibility in the canonical spin glass AuFe.

Physical review letters

Taniguchi T, Yamanaka K, Sumioka H, Yamazaki T, Tabata Y, Kawarazaki S.
PMID: 15697843
Phys Rev Lett. 2004 Dec 10;93(24):246605. doi: 10.1103/PhysRevLett.93.246605. Epub 2004 Dec 10.

The extraordinary Hall resistivity rho(xy) and the magnetization M of a canonical spin glass AuFe (8 at.% Fe) were measured simultaneously as functions of temperature with the best care to the thermal and the magnetic field hysteresis. The data...

Three-hindered quadrant phosphine ligands with an aromatic ring backbone for the rhodium-catalyzed asymmetric hydrogenation of functionalized alkenes.

The Journal of organic chemistry

Zhang Z, Tamura K, Mayama D, Sugiya M, Imamoto T.
PMID: 22443232
J Org Chem. 2012 Apr 20;77(8):4184-8. doi: 10.1021/jo300454n. Epub 2012 Apr 02.

The three-hindered quadrant phosphine ligands (R)-1-tert-butylmethylphosphino-2-(di-tert-butylphosphino)benzene ((R)-3H-BenzP*) and (R)-2-tert-butylmethylphosphino-3-(di-tert-butylphosphino)quinoxaline ((R)-3H-QuinoxP*) exhibited good to excellent enantioselectivities in the rhodium-catalyzed asymmetric hydrogenation of selected dehydroamino acid derivatives, enamides, and ethenephosphonates.

Formation of nanogratings in a transparent material with tunable ionization property by femtosecond laser irradiation.

Optics express

Umran FA, Liao Y, Elias MM, Sugioka K, Stoian R, Cheng G, Cheng Y.
PMID: 23842312
Opt Express. 2013 Jul 01;21(13):15259-67. doi: 10.1364/OE.21.015259.

Irradiation inside some transparent materials such as fused silica can induce nanograting structures at the focal area. Here, we investigate experimentally how the nanograting formation can be influenced by tuning the ionization property of the transparent material, which is...

Surgery and chemotherapy for intrahepatic cholangiocarcinoma.

World journal of hepatology

Morise Z, Sugioka A, Tokoro T, Tanahashi Y, Okabe Y, Kagawa T, Takeura C.
PMID: 21160974
World J Hepatol. 2010 Feb 27;2(2):58-64. doi: 10.4254/wjh.v2.i2.58.

Cholangiocarcinoma, arising from bile duct epithelium, is categorized into intrahepatic cholangiocarcinoma (ICC) and extrahepatic cholangiocarcinoma (ECC), including hilarcholangiocarcinoma. Recently, there has been a worldwide increase in the incidence and mortality from ICC. Complete surgical resection is the only approach...

Showing 25 to 36 of 512 entries