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Showing 25 to 36 of 1868 entries
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Development of an electrochemical cell for in situ transmission electron microscopy observation.

Microscopy (Oxford, England)

Oshima Y, Tsuda T, Kuwabata S, Yasuda H, Takayanagi K.
PMID: 25332436
Microscopy (Oxf). 2014 Dec;63(6):481-6. doi: 10.1093/jmicro/dfu096. Epub 2014 Oct 20.

A new type of electrochemical cell was developed for in situ transmission electron microscopy observation that enables the electrode materials to be conveniently changed. The electrochemical cell was used to observe the electrochemical growth or dissolution of copper islands...

Clinical outcomes for patients with synovial sarcoma of the hand.

SpringerPlus

Outani H, Hamada K, Oshima K, Joyama S, Naka N, Araki N, Ueda T, Yoshikawa H.
PMID: 25485192
Springerplus. 2014 Nov 03;3:649. doi: 10.1186/2193-1801-3-649. eCollection 2014.

PURPOSE: Soft tissue sarcoma of the hand is rare, and one of the most common histological diagnosis is synovial sarcoma. We report the clinical outcomes of patients with synovial sarcoma of the hand and discuss treatment strategies.METHODS: We reviewed...

A Nonaromatic thiophene-fused heptalene and its aromatic dianion.

Angewandte Chemie (International ed. in English)

Oshima H, Fukazawa A, Sasamori T, Yamaguchi S.
PMID: 25969146
Angew Chem Int Ed Engl. 2015 Jun 22;54(26):7636-9. doi: 10.1002/anie.201501790. Epub 2015 May 12.

Heptalene, a nonaromatic, bicyclic 12 π-electron system with a twisted structure, is of great interest with regard to its potential Hückel aromaticity in the two-electron oxidized or reduced forms. The synthesis of thiophene-fused heptalene 5 from the reductive transannular...

Comparative Genomic Insights into Ecophysiology of Neutrophilic, Microaerophilic Iron Oxidizing Bacteria.

Frontiers in microbiology

Kato S, Ohkuma M, Powell DH, Krepski ST, Oshima K, Hattori M, Shapiro N, Woyke T, Chan CS.
PMID: 26617599
Front Microbiol. 2015 Nov 13;6:1265. doi: 10.3389/fmicb.2015.01265. eCollection 2015.

Neutrophilic microaerophilic iron-oxidizing bacteria (FeOB) are thought to play a significant role in cycling of carbon, iron and associated elements in both freshwater and marine iron-rich environments. However, the roles of the neutrophilic microaerophilic FeOB are still poorly understood...

Intercalation of highly dispersed metal nanoclusters into a layered metal oxide for photocatalytic overall water splitting.

Angewandte Chemie (International ed. in English)

Oshima T, Lu D, Ishitani O, Maeda K.
PMID: 25654992
Angew Chem Int Ed Engl. 2015 Feb 23;54(9):2698-702. doi: 10.1002/anie.201411494. Epub 2015 Feb 05.

Metal nanoclusters (involving metals such as platinum) with a diameter smaller than 1 nm were deposited on the interlayer nanospace of KCa2 Nb3 O10 using the electrostatic attraction between a cationic metal complex (e.g., [Pt(NH3 )4 ]Cl2 ) and...

Cytological Features of a Variant NUT Midline Carcinoma of the Lung Harboring the NSD3-NUT Fusion Gene: A Case Report and Literature Review.

Case reports in pathology

Kuroda S, Suzuki S, Kurita A, Muraki M, Aoshima Y, Tanioka F, Sugimura H.
PMID: 25685583
Case Rep Pathol. 2015;2015:572951. doi: 10.1155/2015/572951. Epub 2015 Jan 19.

Background. Nuclear protein in testis (NUT) midline carcinoma (NMC) is a very rare and aggressive malignancy. In more than two-thirds of these NMC cases, a fusion between NUT and BRD4 or BRD3 has been documented; other variants are rare....

Positron annihilation in cardo-based polymer membranes.

The journal of physical chemistry. B

Kobayashi Y, Kazama S, Inoue K, Toyama T, Nagai Y, Haraya K, Mohamed HF, O'Rouke BE, Oshima N, Kinomura A, Suzuki R.
PMID: 24815092
J Phys Chem B. 2014 Jun 05;118(22):6007-14. doi: 10.1021/jp501706d. Epub 2014 May 21.

Positron annihilation lifetime spectroscopy (PALS) is applied to a series of bis(aniline)fluorene and bis(xylidine)fluorene-based cardo polyimide and bis(phenol)fluorene-based polysulfone membranes. It was found that favorable amounts of positronium (Ps, the positron-electron bound state) form in cardo polyimides with the...

Scalability of the Heat and Current Treatment on SWCNTs to Improve their Crystallinity and Thermal and Electrical Conductivities.

Nanoscale research letters

Matsumoto N, Oshima A, Sakurai S, Yumura M, Hata K, Futaba DN, Asperti A, Geuvers H.
PMID: 26019697
Nanoscale Res Lett. 2015 May 16;10:220. doi: 10.1186/s11671-015-0917-0. eCollection 2015.

We have investigated the scalability of our post-synthesis graphitization process for single-walled carbon nanotubes (SWCNTs), which applies heat and current to SWCNTs to improve the thermal and electrical conductivities. This investigation was performed by examining the relationship between the...

Enhanced electrical transparency by ultrathin LaAlO3 insertion at oxide metal/semiconductor heterointerfaces.

Nano letters

Yajima T, Minohara M, Bell C, Kumigashira H, Oshima M, Hwang HY, Hikita Y.
PMID: 25654211
Nano Lett. 2015 Mar 11;15(3):1622-6. doi: 10.1021/nl504169m. Epub 2015 Feb 05.

We demonstrate that the electrical conductivity of metal/semiconductor oxide heterojunctions can be increased over 7 orders of magnitude by inserting an ultrathin layer of LaAlO3. This counterintuitive result, that an interfacial barrier can be driven transparent by inserting a...

Reduced plasma desmosterol-to-cholesterol ratio and longitudinal cognitive decline in Alzheimer's disease.

Alzheimer's & dementia (Amsterdam, Netherlands)

Sato Y, Bernier F, Yamanaka Y, Aoshima K, Oda Y, Ingelsson M, Lannfelt L, Miyashita A, Kuwano R, Ikeuchi T.
PMID: 27239493
Alzheimers Dement (Amst). 2015 Mar 29;1(1):67-74. doi: 10.1016/j.dadm.2014.11.009. eCollection 2015 Mar.

BACKGROUND: We here examined whether plasma desmosterol-to-cholesterol ratio (DES/CHO) is decreased in patients with Alzheimer's disease (AD) and investigated the association between plasma DES/CHO and longitudinal cognitive decline.METHODS: Plasma DES/CHO of AD patients and age-matched controls in a Japanese...

Kinetic study of the Diels-Alder reaction of Li⁺@C₆₀ with cyclohexadiene: greatly increased reaction rate by encapsulated Li⁺.

Journal of the American Chemical Society

Ueno H, Kawakami H, Nakagawa K, Okada H, Ikuma N, Aoyagi S, Kokubo K, Matsuo Y, Oshima T.
PMID: 25006694
J Am Chem Soc. 2014 Aug 06;136(31):11162-7. doi: 10.1021/ja505952y. Epub 2014 Jul 23.

We studied the kinetics of the Diels-Alder reaction of Li(+)-encapsulated [60]fullerene with 1,3-cyclohexadiene and characterized the obtained product, [Li(+)@C60(C6H8)](PF6(-)). Compared with empty C60, Li(+)@C60 reacted 2400-fold faster at 303 K, a rate enhancement that corresponds to lowering the activation...

Defects in the synthetic pathway prevent DIF-1 mediated stalk lineage specification cascade in the non-differentiating social amoeba, Acytostelium subglobosum.

Biology open

Mohri K, Hata T, Kikuchi H, Oshima Y, Urushihara H.
PMID: 24876391
Biol Open. 2014 May 29;3(6):553-60. doi: 10.1242/bio.20148359.

Separation of somatic cells from germ-line cells is a crucial event for multicellular organisms, but how this step was achieved during evolution remains elusive. In Dictyostelium discoideum and many other dictyostelid species, solitary amoebae gather and form a multicellular...

Showing 25 to 36 of 1868 entries