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Showing 13 to 24 of 725 entries
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Upper Gastrointestinal Symptoms Are More Frequent in Female than Male Young Healthy Japanese Volunteers as Evaluated by Questionnaire.

Journal of neurogastroenterology and motility

Kawakubo H, Tanaka Y, Tsuruoka N, Hara M, Yamamoto K, Hidaka H, Sakata Y, Shimoda R, Iwakiri R, Kusano M, Fujimoto K.
PMID: 26755685
J Neurogastroenterol Motil. 2016 Apr 30;22(2):248-53. doi: 10.5056/jnm15140.

BACKGROUND/AIMS: Upper gastrointestinal symptoms are more frequent and severe in female than in male outpatients in Japan. This study compared theupper gastrointestinal symptoms between healthy male and female young adult volunteers using a questionnaire.METHODS: In total, 581 third-grade medical...

New mechanistic insight into intramolecular arene hydroxylation initiated by (μ-1,2-peroxo)diiron(III) complexes with dinucleating ligands.

Dalton transactions (Cambridge, England : 2003)

Sekino M, Furutachi H, Tasaki K, Ishikawa T, Mori S, Fujinami S, Akine S, Sakata Y, Nomura T, Ogura T, Kitagawa T, Suzuki M.
PMID: 26646073
Dalton Trans. 2016 Jan 14;45(2):469-73. doi: 10.1039/c5dt04088d.

(μ-1,2-Peroxo)diiron(iii) complexes (-R) with dinucleating ligands (R-L) generated from the reaction of bis(μ-hydroxo)diiron(ii) complexes [Fe2(R-L)(OH)2](2+) (-R) with dioxygen in acetone at -20 °C provide a diiron-centred electrophilic oxidant, presumably diiron(iv)-oxo species, which is involved in aromatic ligand hydroxylation.

Generation of methoxide from methane and oxygen under mild conditions over an Sm2O3 catalyst investigated by in situ IR spectroscopy.

Chemical communications (Cambridge, England)

Sakata Y, Arimoto T, Miharu N, Imamura H.
PMID: 12240326
Chem Commun (Camb). 2001 Sep 21;(18):1810-1. doi: 10.1039/b103696n.

The generation of methoxide over an Sm2O3 catalyst was clearly observed under a CH4-O2 atmosphere at 323 K by in situ Fourier transform IR spectroscopy.

Stepwise charge separation and charge recombination in ferrocene-meso,meso-linked porphyrin dimer-fullerene triad.

Journal of the American Chemical Society

Imahori H, Tamaki K, Araki Y, Sekiguchi Y, Ito O, Sakata Y, Fukuzumi S.
PMID: 11982381
J Am Chem Soc. 2002 May 08;124(18):5165-74. doi: 10.1021/ja016655x.

A meso,meso-linked porphyrin dimer [(ZnP)(2)] as a light-harvesting chromophore has been incorporated into a photosynthetic multistep electron-transfer model for the first time, including ferrocene (Fc), as an electron donor and fullerene (C(60)) as an electron acceptor to construct the...

Large photocurrent generation of gold electrodes modified with [60]fullerene-linked oligothiophenes bearing a tripodal rigid anchor.

Journal of the American Chemical Society

Hirayama D, Takimiya K, Aso Y, Otsubo T, Hasobe T, Yamada H, Imahori H, Fukuzumi S, Sakata Y.
PMID: 11804479
J Am Chem Soc. 2002 Jan 30;124(4):532-3. doi: 10.1021/ja016703d.

[60]Fullerene-linked quarter- and octithiophenes bearing a tripodal rigid anchor have been synthesized as components of highly efficient SAM-based photovoltaic cells. It has been demonstrated that the tripodal anchor plays an important role in preparing a well-organized SAM on a...

Comparison of reorganization energies for intra- and intermolecular electron transfer.

Angewandte Chemie (International ed. in English)

Imahori H, Yamada H, Guldi DM, Endo Y, Shimomura A, Kundu S, Yamada K, Okada T, Sakata Y, Fukuzumi S.
PMID: 12203587
Angew Chem Int Ed Engl. 2002 Jul 02;41(13):2344-7. doi: 10.1002/1521-3773(20020703)41:13<2344::AID-ANIE2344>3.0.CO;2-7.

No abstract available.

High prevalence of multidrug-resistant MRSA in a tertiary care hospital of northern India.

Infection and drug resistance

Tiwari HK, Sapkota D, Sen MR.
PMID: 21694881
Infect Drug Resist. 2008;1:57-61. doi: 10.2147/idr.s4105. Epub 2008 Nov 30.

Methicillin-resistant Staphylococcus aureus (MRSA) is an important nosocomial and community pathogen. The objectives of this study were to estimate the prevalence of multidrug-resistant MRSA strains in clinical specimens and to investigate the sensitivity pattern of these strains against various...

Role of PP2C-mediated ABA signaling in the moss Physcomitrella patens.

Plant signaling & behavior

Sakata Y, Komatsu K, Taji T, Tanaka S.
PMID: 19847119
Plant Signal Behav. 2009 Sep;4(9):887-9. doi: 10.4161/psb.4.9.9464. Epub 2009 Sep 07.

Plant hormone abscisic acid (ABA) is found in a wide range of land plants, from mosses to angiosperms. However, our knowledge concerning the function of ABA is limited to some angiosperm plant species. We have shown that the basal...

Entropy-driven rearrangement of the water network at the hydrated amide group of the trans-formanilide-water cluster in the gas phase.

Physical chemistry chemical physics : PCCP

Sakota K, Shimazaki Y, Sekiya H.
PMID: 21373673
Phys Chem Chem Phys. 2011 Apr 14;13(14):6411-5. doi: 10.1039/c0cp02836c. Epub 2011 Mar 03.

Photoionization-induced rearrangement of the water network in the trans-formanilide 1:4 cluster, FA-(H(2)O)(4), has been investigated by using IR-photodissociation spectroscopy and quantum chemical calculations. The IR spectrum of FA-(H(2)O)(4) in the S(0) state shows that the observed cluster has a...

Site-selective ligand exchange on a heteroleptic Ti(IV) complex towards stepwise multicomponent self-assembly.

Chemistry (Weinheim an der Bergstrasse, Germany)

Sakata Y, Hiraoka S, Shionoya M.
PMID: 20187047
Chemistry. 2010 Mar 15;16(11):3318-25. doi: 10.1002/chem.200903509.

A series of heteroleptic [Ti1(2)X](-) complexes have been selectively constructed from a mixture of Ti(IV) ions, a pyridyl catechol ligand (H(2)1; H(2)1=4-(3-pyridyl)catechol), and various bidentate ligands (HX) in the presence of a weak base, in addition to a previously...

In Vivo EPR For Dosimetry.

Radiation measurements

Swartz HM, Burke G, Coey M, Demidenko E, Dong R, Grinberg O, Hilton J, Iwasaki A, Lesniewski P, Kmiec M, Lo KM, Nicolalde RJ, Ruuge A, Sakata Y, Sucheta A, Walczak T, Williams BB, Mitchell C, Romanyukha A, Schauer DA.
PMID: 18591988
Radiat Meas. 2007 Jul;42(6):1075-1084. doi: 10.1016/j.radmeas.2007.05.023.

As a result of terrorism, accident, or war, populations potentially can be exposed to doses of ionizing radiation that could cause direct clinical effects within days or weeks. There is a critical need to determine the magnitude of the...

Sequential irinotecan hydrochloride/S-1 for S-1-resistant inoperable gastric cancer: A feasibility study.

Oncology letters

Takahata T, Itoh J, Satoh T, Ishiguro A, Matsumoto Y, Tanaka S, Saitoh S, Tohno H, Fukuda S, Saijo Y, Sakata Y.
PMID: 22740861
Oncol Lett. 2012 Jan;3(1):89-93. doi: 10.3892/ol.2011.435. Epub 2011 Oct 04.

Irinotecan hydrochloride (CPT-11) is reported to be involved in the downregulation of thymidylate synthase (TS), a target molecule of 5-fluorouracil (5-FU) and oral fluoropyrimidine S-1. Therefore, we hypothesized that a preceding administration of CPT-11 against S-1-resistant tumors may recover...

Showing 13 to 24 of 725 entries