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Showing 1 to 12 of 765 entries
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[Expressing oneself--effective writing through close observation].

[Kango] Japanese journal of nursing

Ohkubo H.
PMID: 3650516
Kango. 1987 Mar;39(3):151-8.

No abstract available.

Observation of coherent phonon-plasma coupled modes in wide gap semiconductors by transmission pump-probe measurements.

Optics express

Kunugita H, Hatashita K, Ohkubo Y, Okada T, Ema K.
PMID: 26367628
Opt Express. 2015 Jul 27;23(15):19705-14. doi: 10.1364/OE.23.019705.

We have investigated coherent LO phonon properties in zinc-based II-VI widegap semiconductors, focusing on phonon-plasma coupled modes. By a careful treatment of the time evolution of the signals in ZnS, ZnSe, and ZnTe, we found a frequency upshift as...

Coronenetetraimide-centered cruciform pentamers containing multiporphyrin units: synthesis and sequential photoinduced energy- and electron-transfer dynamics.

Chemistry (Weinheim an der Bergstrasse, Germany)

Hasobe T, Ida K, Sakai H, Ohkubo K, Fukuzumi S.
PMID: 26094912
Chemistry. 2015 Jul 27;21(31):11196-205. doi: 10.1002/chem.201500766. Epub 2015 Jun 19.

A series of coronenetetraimide (CorTIm)-centered cruciform pentamers containing multiporphyrin units, in which four porphyrin units are covalently linked to a CorTIm core through benzyl linkages, were designed and synthesized to investigate their structural, spectroscopic, and electrochemical properties as well...

Solvent-Free Photooxidation of Alkanes by Dioxygen with 2,3-Dichloro-5,6-dicyano-p-benzoquinone via Photoinduced Electron Transfer.

Chemistry, an Asian journal

Ohkubo K, Hirose K, Fukuzumi S.
PMID: 27399906
Chem Asian J. 2016 Aug 19;11(16):2255-9. doi: 10.1002/asia.201600828. Epub 2016 Aug 02.

Photooxidation of alkanes by dioxygen occurred under visible light irradiation of 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) which acts as a super photooxidant. Solvent-free hydroxylation of cyclohexane and alkanes is initiated by electron transfer from alkanes to the singlet and triplet excited states...

Complex fractionated atrial electrograms, high dominant frequency regions, and left atrial voltages during sinus rhythm and atrial fibrillation.

Journal of arrhythmia

Sasaki N, Watanabe I, Okumura Y, Nagashima K, Kogawa R, Sonoda K, Iso K, Takahashi K, Arai M, Watanabe R, Kurokawa S, Ohkubo K, Nakai T, Hirayama A, Nikaido M.
PMID: 28607613
J Arrhythm. 2017 Jun;33(3):185-191. doi: 10.1016/j.joa.2016.10.001. Epub 2016 Oct 27.

BACKGROUND: Ablation targeting complex fractionated atrial electrograms (CFAEs) or high dominant frequency (DF) sites is generally effective for persistent atrial fibrillation (AF). CFAEs and/or high DF sites may exist in low-voltage regions, which theoretically represent abnormal substrates. However, whether...

A simple technique for impression taking of teeth and functionally generated paths.

Restorative dentistry & endodontics

Yamamoto T, Sato Y, Watanabe H, Punj A, Abe M, Momoi Y, Ohkubo C.
PMID: 29487839
Restor Dent Endod. 2018 Feb 03;43(1):e9. doi: 10.5395/rde.2018.43.e9. eCollection 2018 Feb.

The objective of this case report is to introduce a simple technique for simultaneously taking a closed-mouth impression and functionally generated path (FGP) for a full coverage crown restoration. A monolithic zirconia crown was the restoration of choice. An...

Erratum to: Effect of taurine supplementation on hepatic metabolism and alleviation of cadmium toxicity and bioaccumulation in a marine teleost, red sea bream, Pagrus major.

Fish physiology and biochemistry

Hano T, Ito K, Kono K, Ito M, Ohkubo N, Mochida K.
PMID: 28078494
Fish Physiol Biochem. 2017 Jun;43(3):911-912. doi: 10.1007/s10695-016-0323-2.

No abstract available.

Synthesis of an unexpected [Zn2](2+) species utilizing an MFI-type zeolite as a nano-reaction pot and its manipulation with light and heat.

Dalton transactions (Cambridge, England : 2003)

Oda A, Ohkubo T, Yumura T, Kobayashi H, Kuroda Y.
PMID: 25947340
Dalton Trans. 2015 Jun 07;44(21):10038-47. doi: 10.1039/c5dt01088h.

Compared with mercury, the existence of [Zn2](2+) species is rare. We succeeded in preparing a stable [Zn2](2+) species by utilizing an MFI-type zeolite as a nano-reaction pot, which was confirmed using XAFS spectroscopy: the bands at R = 2.35...

Co-localization of iron binding on silica with p62/sequestosome1 (SQSTM1) in lung granulomas of mice with acute silicosis.

Journal of clinical biochemistry and nutrition

Shimizu Y, Dobashi K, Nagase H, Ohta K, Sano T, Matsuzaki S, Ishii Y, Satoh T, Koka M, Yokoyama A, Ohkubo T, Ishii Y, Kamiya T.
PMID: 25834305
J Clin Biochem Nutr. 2015 Jan;56(1):74-83. doi: 10.3164/jcbn.14-44. Epub 2014 Nov 28.

The cellular mechanisms involved in the development of silicosis have not been fully elucidated. This study aimed to examine influence of silica-induced lung injury on autophagy. Suspensions of crystalline silica particles were administered transnasally to C57BL/6j mice. Immunohistochemical examination...

Control of reaction pathways in the photochemical reaction of a quinone with tetramethylethylene by metal binding.

Organic & biomolecular chemistry

Yamamoto H, Ohkubo K, Akimoto S, Fukuzumi S, Tsuda A.
PMID: 24947667
Org Biomol Chem. 2014 Sep 28;12(36):7004-17. doi: 10.1039/c4ob00659c.

The present study reports a novel supramolecular photochemical reaction that focuses on the direct electronic interactions between a host reaction substrate and guest metal salts. The reaction pathways in the photochemical reactions of quinone derivatives bearing a methoxy group...

Influence of Occlusal Force on Electroencephalograms in Edentulous Patients.

Journal of prosthodontics : official journal of the American College of Prosthodontists

Morokuma M, Yoneyama Y, Matsuda R, Hosoi T, Ohkubo C.
PMID: 25594138
J Prosthodont. 2015 Oct;24(7):532-537. doi: 10.1111/jopr.12263. Epub 2015 Jan 15.

PURPOSE: This study explored the effect of improved occlusal force resulting from complete denture treatment on electroencephalogram (EEG) findings to determine if such an outcome is a factor contributing to activation of synaptic/neuronal dysfunction in the brain.MATERIALS AND METHODS:...

Total Synthesis of Biselyngbyolide B.

Organic letters

Sato E, Tanabe Y, Nakajima N, Ohkubo A, Suenaga K.
PMID: 27064757
Org Lett. 2016 May 06;18(9):2047-9. doi: 10.1021/acs.orglett.6b00660. Epub 2016 Apr 11.

The first total synthesis of biselyngbyolide B, an 18-membered macrolide, was achieved. The 18-membered ring structure was constructed by esterification using the Shiina reagent and an intramolecular Stille coupling reaction.

Showing 1 to 12 of 765 entries