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Showing 25 to 36 of 691 entries
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Fine structure of the (S(1)<--S(0)) band origins of phthalocyanine molecules in helium droplets.

The Journal of chemical physics

Lehnig R, Slipchenko M, Kuma S, Momose T, Sartakov B, Vilesov A.
PMID: 15538859
J Chem Phys. 2004 Nov 15;121(19):9396-405. doi: 10.1063/1.1804945.

The laser-induced fluorescence (LIF) excitation spectra of free base phthalocyanine (Pc), Mg-Pc, and Zn-Pc molecules in superfluid helium droplets at T=0.38 K have been studied. The spectra reveal the rich vibronic structure of the S(1)

A coarse graining method for the identification of transition rates between molecular conformations.

The Journal of chemical physics

Kube S, Weber M.
PMID: 17228939
J Chem Phys. 2007 Jan 14;126(2):024103. doi: 10.1063/1.2404953.

The coarse graining method to be advocated in this paper consists of two main steps. First, the propagation of an ensemble of molecular states is described as a Markov chain by a transition probability matrix in a finite state...

On the role of the counter-ion in defining water structure and dynamics: order, structure and dynamics in hydrophilic and hydrophobic gadolinium salt complexes.

Dalton transactions (Cambridge, England : 2003)

Thompson AL, Parker D, Fulton DA, Howard JA, Pandya SU, Puschmann H, Senanayake K, Stenson PA, Badari A, Botta M, Avedano S, Aime S.
PMID: 17225897
Dalton Trans. 2006 Dec 21;(47):5605-16. doi: 10.1039/b606206g. Epub 2006 Aug 25.

The crystal structures of the hydrated salts of [Gd.DOTAM]3+ and its more hydrophobic derivative [Gd.]3+, bearing 4 alpha-phenylethyl groups, (both Gd and Yb salts) are reported and compared. The nature of the anion determines the degree of ordering in...

trans-cis photoisomerization of azobenzene-conjugated dithiolato-bipyridine platinum(II) complexes: extension of photoresponse to longer wavelengths and photocontrollable tristability.

Chemistry (Weinheim an der Bergstrasse, Germany)

Sakamoto R, Kume S, Sugimoto M, Nishihara H.
PMID: 19089879
Chemistry. 2009;15(6):1429-39. doi: 10.1002/chem.200801593.

Azobenzene derivatives modified with dithiolato-bipyridine platinum(II) complexes were synthesized, revealing their highly extended photoresponses to the long wavelength region as well as unique photocontrollable tristability. The absorptions of trans-1 and trans-2 with one azobenzene group on the dithiolene and...

Analysis of long-term survivors after surgical resection for invasive pancreatic cancer.

HPB : the official journal of the International Hepato Pancreato Biliary Association

Kure S, Kaneko T, Takeda S, Inoue S, Nakao A.
PMID: 18333176
HPB (Oxford). 2005;7(2):129-34. doi: 10.1080/13651820510003744.

Pancreatic cancer remains a lethal disease. Although there are many reports on the survival rates of pancreatic cancer patients after surgical resection, the clinicopathological characteristics that influence long-term survival over 5 years remain controversial. Here, we clarify the favourable...

Structure and rheology of a self-standing nanoemulsion.

Langmuir : the ACS journal of surfaces and colloids

Kawada H, Kume T, Matsunaga T, Iwai H, Sano T, Shibayama M.
PMID: 20141204
Langmuir. 2010 Feb 16;26(4):2430-7. doi: 10.1021/la902905b.

A stable nanoemulsion consisting of nanometer-sized oil droplets in water having a self-standing capability was prepared by high-pressure emulsification. The nanoemulsion does not flow and has a yield stress. This nonfluidity is ascribed to the crystal-like lattice structure of...

Cyclization of TEMPO radicals bound to metalladithiolene induced by SOMO-HOMO energy-level conversion.

Angewandte Chemie (International ed. in English)

Kusamoto T, Kume S, Nishihara H.
PMID: 20013832
Angew Chem Int Ed Engl. 2010;49(3):529-31. doi: 10.1002/anie.200905132.

No abstract available.

[New devices for gastrointestinal endoscopy].

Journal of UOEH

Kume K.
PMID: 21229728
J UOEH. 2010 Dec 01;32(4):349-65. doi: 10.7888/juoeh.32.349.

Advances in endoscopic therapeutic techniques and procedures are reducing invasiveness, thereby lightening the burden on the patient. At the same time, they are increasing the burden on those who administer the endoscopic therapy to ensure successful outcomes. As we...

E22Δ Mutation in Amyloid β-Protein Promotes β-Sheet Transformation, Radical Production, and Synaptotoxicity, But Not Neurotoxicity.

International journal of Alzheimer's disease

Suzuki T, Murakami K, Izuo N, Kume T, Akaike A, Nagata T, Nishizaki T, Tomiyama T, Takuma H, Mori H, Irie K.
PMID: 21234376
Int J Alzheimers Dis. 2010 Dec 19;2011:431320. doi: 10.4061/2011/431320.

Oligomers of 40- or 42-mer amyloid β-protein (Aβ40, Aβ42) cause cognitive decline and synaptic dysfunction in Alzheimer's disease. We proposed the importance of a turn at Glu22 and Asp23 of Aβ42 to induce its neurotoxicity through the formation of...

Development of a versatile synthesis method for trinuclear Co(iii), Rh(iii), and Ir(iii) dithiolene complexes, and their crystal structures and multi-step redox properties.

Dalton transactions (Cambridge, England : 2003)

Shibata Y, Zhu B, Kume S, Nishihara H.
PMID: 19259563
Dalton Trans. 2009 Mar 21;(11):1939-43. doi: 10.1039/b815560g. Epub 2009 Jan 28.

Triangular trinuclear Co(iii), Rh(iii), and Ir(iii) dithiolene complexes, [[M(3)(eta(5)-C(5)Me(5))(3)(S(6)C(6))] (M = Co, Rh, Ir), which have not been obtained by the trimerization of mononuclear complexes, were synthesized via a new synthetic route, that is, the reaction of benzenehexathiol and...

Visible-light photochromism of triarylamine- or ferrocene-bound diethynylethenes that switches electronic communication between redox sites and luminescence.

Chemistry (Weinheim an der Bergstrasse, Germany)

Sakamoto R, Kume S, Nishihara H.
PMID: 18576399
Chemistry. 2008;14(23):6978-86. doi: 10.1002/chem.200800732.

Redox-active ferrocene- and triarylamine-terminated diethynylethene derivatives have been synthesized and their photochromic properties and switching behavior based on through-bond electronic communication between the two redox sites, as well as their emissions, have been examined. Both bis(ferrocenylethynyl)ethene 1 and bis(triarylaminoethynyl)ethene...

Counterion-dependent valence tautomerization of ferrocenyl-conjugated pyrylium salts.

Journal of the American Chemical Society

Kondo M, Uchikawa M, Namiki K, Zhang WW, Kume S, Nishibori E, Suwa H, Aoyagi S, Sakata M, Murata M, Kobayashi Y, Nishihara H.
PMID: 19655749
J Am Chem Soc. 2009 Sep 02;131(34):12112-24. doi: 10.1021/ja900393e.

1-Ferrocenylethynylanthraquinone (1-FcAq), which is a donor (D)-acceptor (A) conjugated compound consisting of a ferrocene (Fc) acting as a donor, an anthraquinone (Aq) acting as an acceptor, and an ethynyl linker, undergoes a cyclocondensation reaction with strong organic acid, and...

Showing 25 to 36 of 691 entries