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Showing 1 to 12 of 1993 entries
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Measurement of analyzing power for proton-carbon elastic scattering in the coulomb-nuclear interference region with a 22-GeV/c polarized proton beam.

Physical review letters

Tojo J, Alekseev I, Bai M, Bassalleck B, Bunce G, Deshpande A, Doskow J, Eilerts S, Fields DE, Goto Y, Huang H, Hughes V, Imai K, Ishihara M, Kanavets V, Kurita K, Kwiatkowski K, Lewis B, Lozowski W, Makdisi Y, Meyer HO, Morozov BV, Nakamura M, Przewoski B, Rinckel T, Roser T, Rusek A, Saito N, Smith B, Svirida D, Syphers M, Taketani A, Thomas TL, Underwood D, Wolfe D, Yamamoto K, Zhu L.
PMID: 12144435
Phys Rev Lett. 2002 Jul 29;89(5):052302. doi: 10.1103/PhysRevLett.89.052302. Epub 2002 Jul 16.

The analyzing power for proton-carbon elastic scattering in the Coulomb-nuclear interference region of momentum transfer, 9.0x10(-3)

First synthesis of phenylazomethine dendrimer ligands and structural studies.

Journal of the American Chemical Society

Higuchi M, Shiki S, Ariga K, Yamamoto K.
PMID: 11457226
J Am Chem Soc. 2001 May 16;123(19):4414-20. doi: 10.1021/ja004239r.

Novel dendritic polyphenylazomethines (DPAs), which consist of a pi-conjugated backbone, were synthesized up to the fourth generation by the convergent method via dehydration of aromatic ketones with aromatic amines in the presence of titanium(IV) tetrachloride. The obtained dendrimers, DPA...

One-Pot Sequential Asymmetric Hydrogenation Utilizing Rh(I) and Ru(II) Catalysts.

The Journal of organic chemistry

Doi T, Kokubo M, Yamamoto K, Takahashi T.
PMID: 11672026
J Org Chem. 1998 Feb 06;63(3):428-429. doi: 10.1021/jo9720400.

No abstract available.

Multielectron Redox Process of Vanadium Complexes in Oxidation of Low-Coordinate Vanadium(III) to Oxovanadium(V) with Dioxygen.

Inorganic chemistry

Oyaizu K, Yamamoto K, Yoneda K, Tsuchida E.
PMID: 11666818
Inorg Chem. 1996 Nov 06;35(23):6634-6635. doi: 10.1021/ic960198h.

No abstract available.

Interaction between sulfonephthalein dyes and chitosan in aqueous solution and its application to the determination of surfactants.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Yamamoto K, Adachi K.
PMID: 12945665
Anal Sci. 2003 Aug;19(8):1133-8. doi: 10.2116/analsci.19.1133.

A spectrophotometric method for the determination of ionic surfactants with Bromophenol Blue (BPB) based on incorporation into a precipitated chitosan was studied. Cationic surfactants (CS+), such as a quaternary ammonium ion containing a long-chain alkyl group, associate with BPB2-...

Oxidative cyclization of amino alcohols catalyzed by a CpIr complex. Synthesis of indoles, 1,2,3,4-tetrahydroquinolines, and 2,3,4,5-tetrahydro-1-benzazepine.

Organic letters

Fujita K, Yamamoto K, Yamaguchi R.
PMID: 12153211
Org Lett. 2002 Aug 08;4(16):2691-4. doi: 10.1021/ol026200s.

[reaction: see text] A new iridium-catalyzed oxidative cyclization of amino alcohols has been revealed. Indole derivatives are synthesized in good to excellent yields from 2-aminophenethyl alcohols by means of a [CpIrCl(2)](2)/K(2)CO(3) catalytic system. The present catalytic system is also...

Novel triarylamine dendrimers as a hole-transport material with a controlled metal-assembling function.

Journal of the American Chemical Society

Satoh N, Cho JS, Higuchi M, Yamamoto K.
PMID: 12837071
J Am Chem Soc. 2003 Jul 09;125(27):8104-5. doi: 10.1021/ja034811p.

A series of phenylazomethine dendrimers with a triarylamine core (TPA-DPA) were synthesized by dehydration using TiCl4. The complexation of the fourth genereration (G4) TPA-DPA with SnCl2 proceeds in not a random but a stepwise fashion from the core to...

Synthesis of novel phenylazomethine dendrimers having a cyclam core and their zinc complex.

Organic letters

Enoki O, Imaoka T, Yamamoto K.
PMID: 12841777
Org Lett. 2003 Jul 10;5(14):2547-9. doi: 10.1021/ol034817j.

[structure: see text] Novel phenylazomethine dendrimers having a cyclam core were synthesized by the convergent method. The dendrimers showed selective coordination with zinc chloride on the cyclam ring and with tin chloride on the imine groups. The metal cyclam...

Difficult pulmonary artery catheterization caused by an interluminal leak.

Journal of anesthesia

Sato N, Yamamoto K, Nakao S, Shingu K.
PMID: 14517670
J Anesth. 2002;16(2):167-8. doi: 10.1007/s005400200014.

No abstract available.

A case of carcinoma ex pleomorphic adenoma arising from multinodular pleomorphic adenoma of the buccal region.

Clinical case reports

Yamamoto K, Sato Y, Kondo Y, Tanaka H, Akiyama Y, Yamashita Y, Kataoka H.
PMID: 31624625
Clin Case Rep. 2019 Sep 10;7(10):1994-1998. doi: 10.1002/ccr3.2417. eCollection 2019 Oct.

In multinodular lesions or tumors with mixed benign and malignant components, malignant elements may be undetectable using fine-needle aspiration biopsy/cytology in preoperative pathological diagnosis of some cases, because of sampling error.

Transparent polymer nanohybrid prepared by in situ synthesis of aluminosilicate nanofibers in poly(vinyl alcohol) solution.

Soft matter

Yamamoto K, Otsuka H, Wada SI, Sohn D, Takahara A.
PMID: 32646104
Soft Matter. 2005 Oct 21;1(5):372-377. doi: 10.1039/b508669h.

Polymer nanohybrid materials that consist of poly(vinyl alcohol)(PVA) and aluminosilicate nanofiber imogolite were prepared by effective dispersion of aluminosilicate nanofiber in a polymer matrix by an synthetic method. The as-synthesized imogolite-PVA hybrid was characterized by infrared spectroscopy, wide angle...

Eight-Year Experience of Antimicrobial Stewardship Program and the Trend of Carbapenem Use at a Tertiary Acute-Care Hospital in Japan-The Impact of Postprescription Review and Feedback.

Open forum infectious diseases

Akazawa T, Kusama Y, Fukuda H, Hayakawa K, Kutsuna S, Moriyama Y, Ohashi H, Tamura S, Yamamoto K, Hara R, Shigeno A, Ota M, Ishikane M, Tokita S, Terakado H, Ohmagari N.
PMID: 31660352
Open Forum Infect Dis. 2019 Sep 05;6(10):ofz389. doi: 10.1093/ofid/ofz389. eCollection 2019 Oct.

OBJECTIVE: We implemented a stepwise antimicrobial stewardship program (ASP). This study evaluated the effect of each intervention and the overall economic impact on carbapenem (CAR) use.METHOD: Carbapenem days of therapy (CAR-DOT) were calculated to assess the effect of each...

Showing 1 to 12 of 1993 entries