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Complete hydrogen release from aqueous ammonia-borane over a platinum-loaded titanium dioxide photocatalyst.

Chemical communications (Cambridge, England)

Kamegawa T, Nakaue T.
PMID: 26435357
Chem Commun (Camb). 2015 Dec 07;51(94):16802-5. doi: 10.1039/c5cc06639e.

Complete H2 release from ammonia-borane (NH3BH3, AB) in water was achieved by using platinum-loaded TiO2 (Pt/TiO2) via two consecutive reaction steps, i.e., hydrolysis of AB and photocatalytic decomposition of thus formed NH3 in water, under inert conditions at 298...

Molecular Epidemiology of Rubella Virus Strains Detected Around the Time of the 2012-2013 Epidemic in Japan.

Frontiers in microbiology

Mori Y, Miyoshi M, Kikuchi M, Sekine M, Umezawa M, Saikusa M, Matsushima Y, Itamochi M, Yasui Y, Kanbayashi D, Miyoshi T, Akiyoshi K, Tatsumi C, Zaitsu S, Kadoguchi M, Otsuki N, Okamoto K, Sakata M, Komase K, Takeda M.
PMID: 28848523
Front Microbiol. 2017 Aug 09;8:1513. doi: 10.3389/fmicb.2017.01513. eCollection 2017.

A nationwide rubella epidemic occurred from 2012 to 2013 in Japan, resulting in around 17,000 rubella cases and the birth of 45 infants with congenital rubella syndrome. The aim of this study was to genetically characterize the rubella viruses...

The synthesis of size- and color-controlled silver nanoparticles by using microwave heating and their enhanced catalytic activity by localized surface plasmon resonance.

Angewandte Chemie (International ed. in English)

Fuku K, Hayashi R, Takakura S, Kamegawa T, Mori K, Yamashita H.
PMID: 23740666
Angew Chem Int Ed Engl. 2013 Jul 15;52(29):7446-50. doi: 10.1002/anie.201301652. Epub 2013 Jun 05.

Silver nanoparticles (Ag NPs) of various colors were synthesized within the mesopore structure of SBA-15 by using microwave-assisted alcohol reduction. The charge density is partially localized on the surface of these Ag NPs owing to localized surface plasmon resonance....

Hydrophobic modification of Pd/SiO2 @single-site mesoporous silicas by triethoxyfluorosilane: enhanced catalytic activity and selectivity for one-pot oxidation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Nakatsuka K, Mori K, Okada S, Ikurumi S, Kamegawa T, Yamashita H.
PMID: 24920164
Chemistry. 2014 Jul 01;20(27):8348-54. doi: 10.1002/chem.201402586. Epub 2014 Jun 12.

To enhance the catalytic activity in a selective one-pot oxidation using in-situ generated H(2)O(2), a hydrophobically modified core-shell catalyst was synthesized by means of a simple silylation reaction using the fluorine-containing silylation agent triethoxyfluorosilane (TEFS, SiF(OEt)(3)). The catalyst consisted...

On-line preconcentration of phosphate onto molybdate form anion exchange column.

Talanta

Taniai T, Sukegawa M, Sakuragawa A, Uzawa A.
PMID: 18969256
Talanta. 2003 Dec 23;61(6):905-12. doi: 10.1016/S0039-9140(03)00382-5.

In this paper, we describe an automated flow injection system for measuring the concentration of phosphate based on a fluorescence quenching reaction between Rhoadamine 6G and phosphomolybdate with a preconcentration column, which was packed with a molybdate-form ion exchange...

Single-crystal elastic properties of the modified spinel (Beta) phase of magnesium orthosilicate.

Science (New York, N.Y.)

Sawamoto H, Weidner DJ, Sasaki S, Kumazawa M.
PMID: 17780624
Science. 1984 May 18;224(4650):749-51. doi: 10.1126/science.224.4650.749.

The single-crystal elastic moduli of the modified spinel structure (beta phase) of magnesium orthosilicate (Mg(2)SiO(4)) have been measured by Brillouin spectroscopy under ambient conditions. Single crystals with dimensions up to 500 micrometers were grown at 22 gigapascals and 2000...

Production of Two Chitosanases from a Chitosan-Assimilating Bacterium, Acinetobacter sp. Strain CHB101.

Applied and environmental microbiology

Shimosaka M, Nogawa M, Wang X, Kumehara M, Okazaki M.
PMID: 16534927
Appl Environ Microbiol. 1995 Feb;61(2):438-42. doi: 10.1128/aem.61.2.438-442.1995.

A bacterial strain capable of utilizing chitosan as a sole carbon source was isolated from soil and was identified as a member of the genus Acinetobacter. This strain, designated CHB101, produced extracellular chitosan-degrading enzymes in the absence of chitosan....

The Cytoplasm-to-Vacuole Targeting Pathway: A Historical Perspective.

International journal of cell biology

Umekawa M, Klionsky DJ.
PMID: 22481942
Int J Cell Biol. 2012;2012:142634. doi: 10.1155/2012/142634. Epub 2012 Feb 20.

From today's perspective, it is obvious that macroautophagy (hereafter autophagy) is an important pathway that is connected to a range of developmental and physiological processes. This viewpoint, however, is relatively recent, coinciding with the molecular identification of autophagy-related (Atg)...

Preparation of hydroxynaphthalene-modified TiO2 via formation of surface complexes and their applications in the photocatalytic reduction of nitrobenzene under visible-light irradiation.

ACS applied materials & interfaces

Kamegawa T, Seto H, Matsuura S, Yamashita H.
PMID: 23182085
ACS Appl Mater Interfaces. 2012 Dec;4(12):6635-9. doi: 10.1021/am3017762. Epub 2012 Dec 04.

Visible light-sensitive photocatalysts were designed by the surface modification of TiO(2) using hydroxynaphthalenes, i.e., mono- and dihydroxy derivatives of naphthalene, via formation of surface complexes. The differences in the coordination ability on TiO(2) were confirmed depending on the numbers...

Highly dispersed platinum nanoparticles on TiO2 prepared by using the microwave-assisted deposition method: an efficient photocatalyst for the formation of H2 and N2 from aqueous NH3.

Chemistry, an Asian journal

Fuku K, Kamegawa T, Mori K, Yamashita H.
PMID: 22315184
Chem Asian J. 2012 Jun;7(6):1366-71. doi: 10.1002/asia.201100984. Epub 2012 Feb 07.

A simple and practical technique to synthesize nanosized platinum particles loaded on TiO(2) (Pt-TiO(2)) by using a microwave (Mw)-assisted deposition method has been exploited in the development of a highly efficient photocatalyst for the formation of H(2) and N(2)...

Single-site and nano-confined photocatalysts designed in porous materials for environmental uses and solar fuels.

Chemical Society reviews

Yamashita H, Mori K, Kuwahara Y, Kamegawa T, Wen M, Verma P, Che M.
PMID: 29892768
Chem Soc Rev. 2018 Nov 12;47(22):8072-8096. doi: 10.1039/c8cs00341f.

Silica-based micro-, meso-, macro-porous materials offer attractive routes for designing single-site photocatalysts, supporting semiconducting nanoparticles, anchoring light-responsive metal complexes, and encapsulating metal nanoparticles to drive photochemical reactions by taking advantage of their large surface area, controllable pore channels, remarkable...

Miller Fisher syndrome with sinus arrest.

Neurology international

Shiraiwa N, Umesawa M, Hoshino S, Enomoto T, Kusunoki S, Tamaoka A, Ohkoshi N.
PMID: 29109855
Neurol Int. 2017 Aug 29;9(3):7312. doi: 10.4081/ni.2017.7312. eCollection 2017 Aug 29.

No abstract available.

Showing 1 to 12 of 171 entries