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Showing 1 to 12 of 346 entries
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Light-Controlled Release and Uptake of Zinc Ions in Solution by a Photochromic Terthiazole-Based Ligand.

Chemistry, an Asian journal

Guérin J, Léaustic A, Berthet J, Métivier R, Guillot R, Delbaere S, Nakatani K, Yu P.
PMID: 28328111
Chem Asian J. 2017 Apr 18;12(8):853-859. doi: 10.1002/asia.201700028. Epub 2017 Mar 22.

We have synthesized and fully characterized a photochromic zinc complex with a terphenylthiazole-based ligand with a salen-like cavity. The solution stability of the complex was found to be greatly dependent on the state of the photochromic ligand and an...

Multichromophoric sugar for fluorescence photoswitching.

Beilstein journal of organic chemistry

Maisonneuve S, Métivier R, Yu P, Nakatani K, Xie J.
PMID: 24991302
Beilstein J Org Chem. 2014 Jun 30;10:1471-81. doi: 10.3762/bjoc.10.151. eCollection 2014.

A multichromophoric glucopyranoside 2 bearing three dicyanomethylenepyran (DCM) fluorophores and one diarylethene (DAE) photochrome has been prepared by Cu(I)-catalyzed alkyne-azide cycloaddition reaction. The fluorescence of 2 was switched off upon UV irradiation, in proportion with the open to closed...

Synthesis and Fluorescence Properties of Pyrimidine-Based Diboron Complexes with Donor-π-Acceptor Structures.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kubota Y, Kasatani K, Niwa T, Sato H, Funabiki K, Matsui M.
PMID: 26670268
Chemistry. 2016 Jan 26;22(5):1816-24. doi: 10.1002/chem.201503625. Epub 2015 Dec 16.

Pyrimidine-based diboron complexes bearing β-iminoenolate ligands and phenyl groups as bulky substituents on the boron atoms were synthesized as novel fluorescent dyes, and their fluorescence properties were investigated in solution and in the solid state. The diboron complexes with...

Strategy to enhance solid-state fluorescence and aggregation-induced emission enhancement effect in pyrimidine boron complexes.

Dalton transactions (Cambridge, England : 2003)

Kubota Y, Kasatani K, Takai H, Funabiki K, Matsui M.
PMID: 25599172
Dalton Trans. 2015 Feb 21;44(7):3326-41. doi: 10.1039/c4dt03318c.

The synthesis and the solution/solid-state fluorescence properties of pyrimidine-based monoboron complexes differing in terms of the substituents [either two fluorine atoms (BF2 complex) or two phenyl groups (BPh2 complex)] on the boron atom are reported herein. Unrestricted C-Ar intramolecular...

Rapidly progressive sarcomatoid malignant mesothelioma of the pleura mimicking pulmonary empyema.

Clinical case reports

Fujita K, Kim YH, Nakatani K, Mio T.
PMID: 26509028
Clin Case Rep. 2015 Oct;3(10):875-8. doi: 10.1002/ccr3.371. Epub 2015 Sep 07.

Refractory empyema occasionally reflects hidden malignant disease. We presented a rare case of rapidly progressive malignant mesothelioma of the pleura (MPM) mimicking empyema. Physicians should be aware of MPM when patients with empyema are refractory to the standard treatment,...

Low-grade mucinous neoplasia in a cecal diverticulum: A case report.

International journal of surgery case reports

Nakatani K, Tokuhara K, Sakaguchi T, Ryota H, Yoshioka K, Kon M.
PMID: 26318130
Int J Surg Case Rep. 2015;15:66-9. doi: 10.1016/j.ijscr.2015.08.030. Epub 2015 Aug 20.

INTRODUCTION: Low-grade mucinous neoplasia is an uncommon benign tumor that develops in the appendix. The development of mucocele disease has never been reported in a colonic diverticulum. We present a case developing low-grade mucinous neoplasia in a cecal diverticulum.PRESENTATION...

Complications Associated With Spine Surgery in Patients Aged 80 Years or Older: Japan Association of Spine Surgeons with Ambition (JASA) Multicenter Study.

Global spine journal

Kobayashi K, Imagama S, Ando K, Ishiguro N, Yamashita M, Eguchi Y, Matsumoto M, Ishii K, Hikata T, Seki S, Terai H, Suzuki A, Tamai K, Aramomi M, Ishikawa T, Kimura A, Inoue H, Inoue G, Miyagi M, Saito W, Yamada K, Hongo M, Nishimura H, Suzuki H, Nakano A, Watanabe K, Chikuda H, Ohya J, Aoki Y, Shimizu M, Futatsugi T, Mukaiyama K, Hasegawa M, Kiyasu K, Iizuka H, Iizuka Y, Kobayashi R, Nishida K, Kakutani K, Nakajima H, Murakami H, Demura S, Kato S, Yoshioka K, Namikawa T, Watanabe K, Nakanishi K, Nakagawa Y, Yoshimoto M, Fujiwara H, Nishida N, Imajo Y, Yamazaki M, Sakane M, Abe T, Fujii K, Kaito T, Furuya T, Orita S, Ohtori S.
PMID: 28989842
Global Spine J. 2017 Oct;7(7):636-641. doi: 10.1177/2192568217716144. Epub 2017 Jul 20.

STUDY DESIGN: Retrospective study of registry data.OBJECTIVES: Aging of society and recent advances in surgical techniques and general anesthesia have increased the demand for spinal surgery in elderly patients. Many complications have been described in elderly patients, but a...

Single microdroplet/water extraction and in situ microanalysis by microcapillary injection and differential pulse voltammetry.

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

Nakatani K, Noguchi T, Negishi T.
PMID: 12036120
Anal Sci. 2002 May;18(5):533-6. doi: 10.2116/analsci.18.533.

A redox species was extracted from water (50 x 10(-6) dm3) into a single micro-oil-droplet (30 x 10(-12) dm3) in contact with a microelectrode using microcapillary injection and manipulation techniques. Further, an in situ microanalysis of the solute in...

Stabilization of liquid interface and control of two-phase confluence and separation in glass microchips by utilizing octadecylsilane modification of microchannels.

Analytical chemistry

Hibara A, Nonaka M, Hisamoto H, Uchiyama K, Kikutani Y, Tokeshi M, Kitamori T.
PMID: 12033266
Anal Chem. 2002 Apr 01;74(7):1724-8. doi: 10.1021/ac011038c.

We demonstrated a liquid/liquid and a gas/liquid two-phase crossing flow in glass microchips. A 250-microm-wide microchannel for aqueous-phase flow was fabricated on a top glass plate. Then, as a way to utilize the surface energy difference for stable phase...

Syntheses, Crystal Structures, and NLO Properties of New Chiral Inorganic Chromophores for Second-Harmonic Generation.

Inorganic chemistry

Lenoble G, Lacroix PG, Daran JC, Di Bella S, Nakatani K.
PMID: 11670370
Inorg Chem. 1998 May 04;37(9):2158-2165. doi: 10.1021/ic970481w.

A new chiral ligand (H(2)L) based on the condensation of diaminocyclohexane and 4-(diethylamino)salicylaldehyde is reported along with its nickel(II) and manganese(III) complexes. These compounds all crystallize in noncentrosymmetric space groups. Crystal data are as follows. For the ligand (C(28)H(40)N(4)O(2)):...

Photostimulated desorption and ortho-para conversion of H2 on Ag surfaces.

Physical review letters

Fukutani K, Yoshida K, Wilde M, Diño WA, Matsumoto M, Okano T.
PMID: 12689242
Phys Rev Lett. 2003 Mar 07;90(9):096103. doi: 10.1103/PhysRevLett.90.096103. Epub 2003 Mar 06.

Photostimulated desorption and change of the ortho-para ratio of H2 physisorbed on Ag at 7 K are reported. After pump laser excitation at 193 nm neutral H2 desorbing in a nonthermal process is state selectively detected by resonance-enhanced multiphoton...

Observation of nuclear excitation by electron transition in 197Au with synchrotron X rays and an avalanche photodiode.

Physical review letters

Kishimoto S, Yoda Y, Seto M, Kobayashi Y, Kitao S, Haruki R, Kawauchi T, Fukutani K, Okano T.
PMID: 10970625
Phys Rev Lett. 2000 Aug 28;85(9):1831-4. doi: 10.1103/PhysRevLett.85.1831.

We have succeeded in observing nuclear excitation by electron transition (NEET) in 197Au by a new method. Monochromatic x-rays of synchrotron radiation were used to ionize the K shell of gold atoms in a target foil. The internal-conversion electrons...

Showing 1 to 12 of 346 entries