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Showing 25 to 36 of 832 entries
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Pd(OAc)2-catalyzed carbonylation of amines.

The Journal of organic chemistry

Orito K, Miyazawa M, Nakamura T, Horibata A, Ushito H, Nagasaki H, Yuguchi M, Yamashita S, Yamazaki T, Tokuda M.
PMID: 16872177
J Org Chem. 2006 Aug 04;71(16):5951-8. doi: 10.1021/jo060612n.

A phosphine-free catalytic system [Pd(OAc)2-Cu(OAc)2-air] induced a substrate-specific carbonylation of amines in boiling toluene under CO gas (1 atm). Symmetrical N,N'-dialkylureas were obtained by the carbonylation of primary amines. N,N,N'-Trialkylureas were selectively formed by addition of a secondary amine...

Carbon nanotube mode lockers with enhanced nonlinearity via evanescent field interaction in D-shaped fibers.

Optics letters

Song YW, Yamashita S, Goh CS, Set SY.
PMID: 17186046
Opt Lett. 2007 Jan 15;32(2):148-50. doi: 10.1364/ol.32.000148.

We demonstrate a novel passive mode-locking scheme for pulsed lasers enhanced by the interaction of carbon nanotubes (CNTs) with the evanescent field of propagating light in a D-shaped optical fiber. The scheme features all-fiber operation as well as a...

Concept and clinical application of cultivated epithelial transplantation for ocular surface disorders.

The ocular surface

Kinoshita S, Koizumi N, Sotozono C, Yamada J, Nakamura T, Inatomi T.
PMID: 17216073
Ocul Surf. 2004 Jan;2(1):21-33. doi: 10.1016/s1542-0124(12)70021-6.

Corneal epithelial replacement using a tissue engineering technique holds much promise for ocular surface reconstruction in cases of corneal epithelial stem cell deficiency. However, even though an autologous cultivated corneal epithelial stem cell sheet is the safest and most...

Synthesis of the pivalamidate-bridged pentanuclear platinum(II,III) linear complexes with Pt...Pt interactions.

Inorganic chemistry

Matsumoto K, Arai S, Ochiai M, Chen W, Nakata A, Nakai H, Kinoshita S.
PMID: 16270995
Inorg Chem. 2005 Nov 14;44(23):8552-60. doi: 10.1021/ic050942a.

Pentanuclear linear chain Pt(II,III) complexes [[Pt2(NH3)2X2((CH3)3CCONH)2(CH2COCH3)]2[PtX'4]].nCH3COCH3 (X = X' = Cl, n = 2 (1a), X = Cl, X' = Br, n = 1 (1b), X = Br, X' = Cl, n = 2 (1c), X = X' =...

Four-wave-mixing-based wavelength conversion using a single-walled carbon-nanotube-deposited planar lightwave circuit waveguide.

Optics letters

Chow KK, Yamashita S, Set SY.
PMID: 20548389
Opt Lett. 2010 Jun 15;35(12):2070-2. doi: 10.1364/OL.35.002070.

We demonstrated a single-walled carbon-nanotube-deposited planar lightwave circuit (PLC) waveguide for four-wave-mixing (FWM)-based wavelength conversion. FWM is generated from the interaction between the propagating light through the PLC waveguide and the deposited carbon nanotubes (CNTs) on the overcladding-removed core...

Noncultured autologous adipose-derived stem cells therapy for chronic radiation injury.

Stem cells international

Akita S, Akino K, Hirano A, Ohtsuru A, Yamashita S.
PMID: 21151652
Stem Cells Int. 2010 Dec 01;2010:532704. doi: 10.4061/2010/532704.

Increasing concern on chronic radiation injuries should be treated properly for life-saving improvement of wound management and quality of life. Recently, regenerative surgical modalities should be attempted with the use of noncultured autologous adipose-derived stem cells (ADSCs) with temporal...

Optical deposition of graphene and carbon nanotubes in a fiber ferrule for passive mode-locked lasing.

Optics express

Martinez A, Fuse K, Xu B, Yamashita S.
PMID: 21164646
Opt Express. 2010 Oct 25;18(22):23054-61. doi: 10.1364/OE.18.023054.

Mode-locked fiber lasers are currently undergoing a significant evolution towards higher pulse energies and shorter pulse durations. A key enabler in this progress has been the discovery of novel saturable absorbers (SA) such as carbon nanotubes (CNT) and graphene....

The rate of symptomatic improvement of congenital nasolacrimal duct obstruction in Japanese infants treated with conservative management during the 1st year of age.

Clinical ophthalmology (Auckland, N.Z.)

Kakizaki H, Takahashi Y, Kinoshita S, Shiraki K, Iwaki M.
PMID: 19668718
Clin Ophthalmol. 2008 Jun;2(2):291-4. doi: 10.2147/opth.s2582.

This study aimed to examine the rate of symptomatic improvement of congenital nasolacrimal duct obstruction (CNLDO) in Japanese infants treated with conservative management within the 1st year of age. Thirty-five lacrimal ducts in 27 patients diagnosed with CNLDO were...

Probing photocatalytic active sites on a single titanosilicate zeolite with a redox-responsive fluorescent dye.

Angewandte Chemie (International ed. in English)

Tachikawa T, Yamashita S, Majima T.
PMID: 19950155
Angew Chem Int Ed Engl. 2010;49(2):432-5. doi: 10.1002/anie.200904876.

No abstract available.

The occurrence of eukaryotic type III glutamine synthetase in the marine diatom Chaetoceros compressum.

Marine genomics

Kinoshita S, Isu S, Kaneko G, Yamada H, Hara T, Itoh Y, Watabe S.
PMID: 21798178
Mar Genomics. 2009 Jun;2(2):103-11. doi: 10.1016/j.margen.2009.06.003. Epub 2009 Jun 30.

Glutamine synthetase (GS) has been described as one of the oldest functioning genes and thus a good molecular clock protein. GS is diverged into three distinct forms, type I (GSI), type II (GSII) and type III (GSIII), the last...

Microbial Production of Ursodeoxycholic Acid from Lithocholic Acid by Fusarium equiseti M41.

Applied and environmental microbiology

Sawada H, Kulprecha S, Nilubol N, Yoshida T, Kinoshita S, Taguchi H.
PMID: 16346142
Appl Environ Microbiol. 1982 Dec;44(6):1249-52. doi: 10.1128/aem.44.6.1249-1252.1982.

A fungus identified as Fusarium equiseti was isolated from soil and found to carry out 7beta-hydroxylation of lithocholic acid to ursodeoxycholic acid (35% yield; 350 mg/liter) in 112 h.

Sr(3)(Al(3+x)Si(13-x))(N(21-x)O(2+x)):Eu (x ∼ 0): a monoclinic modification of Sr-sialon.

Acta crystallographica. Section E, Structure reports online

Ishizawa N, Kamoshita M, Fukuda K, Shioi K, Hirosaki N.
PMID: 21579588
Acta Crystallogr Sect E Struct Rep Online. 2010 Jan 30;66:i14. doi: 10.1107/S1600536810003223.

The structure of the title compound, Sr-bearing oxonitrido-aluminosilicate (Sr-sialon), contains two types of channels running along the a axis, with the three unique Sr atoms (coordinatioon number seven) residing in the larger one. The channels cross a three-dimensional Si-Al-O-N...

Showing 25 to 36 of 832 entries