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  1. Article ; Online: Temperature-Controlled Transformation of WO

    Chandra, Debraj / Katsuki, Tomohiro / Tanahashi, Yuki / Togashi, Takanari / Tsubonouchi, Yuta / Hoshino, Norihisa / Zahran, Zaki N / Yagi, Masayuki

    ACS applied materials & interfaces

    2023  Volume 15, Issue 17, Page(s) 20885–20896

    Abstract: A unique transformation of ... ...

    Abstract A unique transformation of WO
    Language English
    Publishing date 2023-04-21
    Publishing country United States
    Document type Journal Article
    ISSN 1944-8252
    ISSN (online) 1944-8252
    DOI 10.1021/acsami.2c22483
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Facile fabrication and nanostructure control of mesoporous iridium oxide films for efficient electrocatalytic water oxidation

    Chandra, Debraj / Sato, Tetsuya / Takeuchi, Ryouchi / Tanahashi, Yuki / Yagi, Masayuki

    Elsevier Ltd Energy. 2019 Apr. 15, v. 173

    2019  

    Abstract: The development of efficient catalyst materials for water oxidation is bottleneck to construct artificial photosynthesis that is a promising future energy-providing system. We review the recent progress on development of IrOx electrocatalyst films for ... ...

    Abstract The development of efficient catalyst materials for water oxidation is bottleneck to construct artificial photosynthesis that is a promising future energy-providing system. We review the recent progress on development of IrOx electrocatalyst films for water oxidation based on our latest research works. A controlled fabrication approach of an efficient IrOx electrocatalyst films is introduced by a facile spin-coating of a homogenous solution of Ir precursor complexes followed by simple annealing at different temperature. The composition and crystallinity of the IrOx film are tunable by a simple annealing treatment. The electrocatalytic properties of the IrOx film dramatically depended on annealing temperature are characterized to give the noticeably high performance at 300 °C annealing. A soft-template-assisted technique using different polymer surfactants as structure directing agents (SDAs) is illustrated in the spin-coating procedure to reveal impacts of SDAs on nanostructures and electrocatalytic water oxidation performances of the IrOx films. The characterization of the first accessible channel-like open pore architecture of the ordered 2D-hexagonal mesoporous IrOx film is described by a facile one-pot strategy using Pluronic F127 as SDA. The novel controlled nanostructures including mesoporous architecture of IrOx improves electrocatalytic performance for water oxidation relative to a conventional nanoparticulate structure of IrOx coating.
    Keywords annealing ; catalysts ; coatings ; crystal structure ; iridium ; nanomaterials ; oxidation ; photosynthesis ; polymers ; porous media ; surfactants ; temperature
    Language English
    Dates of publication 2019-0415
    Size p. 278-289.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2019804-8
    ISSN 0360-5442 ; 0360-5442
    ISSN (online) 0360-5442
    ISSN 0360-5442
    DOI 10.1016/j.energy.2019.02.072
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: OAT10/SLC22A13 Acts as a Renal Urate Re-Absorber: Clinico-Genetic and Functional Analyses With Pharmacological Impacts.

    Toyoda, Yu / Kawamura, Yusuke / Nakayama, Akiyoshi / Morimoto, Keito / Shimizu, Seiko / Tanahashi, Yuki / Tamura, Takashi / Kondo, Takaaki / Kato, Yasufumi / Ichida, Kimiyoshi / Suzuki, Hiroshi / Shinomiya, Nariyoshi / Kobayashi, Yasushi / Takada, Tappei / Matsuo, Hirotaka

    Frontiers in pharmacology

    2022  Volume 13, Page(s) 842717

    Abstract: Dysfunctional missense variant ... ...

    Abstract Dysfunctional missense variant of
    Language English
    Publishing date 2022-04-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2587355-6
    ISSN 1663-9812
    ISSN 1663-9812
    DOI 10.3389/fphar.2022.842717
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Mechanism of H

    Tanahashi, Yuki / Takahashi, Kosuke / Tsubonouchi, Yuta / Nozawa, Shunsuke / Adachi, Shin-Ichi / Hirahara, Masanari / Mohamed, Eman A / Zahran, Zaki N / Saito, Kenji / Yui, Tatsuto / Yagi, Masayuki

    Proceedings of the National Academy of Sciences of the United States of America

    2021  Volume 118, Issue 52

    Abstract: The understanding of O-O bond formation is of great importance for revealing the mechanism of water oxidation in photosynthesis and for developing efficient catalysts for water oxidation in artificial photosynthesis. The chemical oxidation of the ... ...

    Abstract The understanding of O-O bond formation is of great importance for revealing the mechanism of water oxidation in photosynthesis and for developing efficient catalysts for water oxidation in artificial photosynthesis. The chemical oxidation of the Ru
    Language English
    Publishing date 2021-12-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209104-5
    ISSN 1091-6490 ; 0027-8424
    ISSN (online) 1091-6490
    ISSN 0027-8424
    DOI 10.1073/pnas.2113910118
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1148: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  5. Article: Characterization and Mechanism of Efficient Visible-Light-Driven Water Oxidation on an in Situ N₂-Intercalated WO₃ Nanorod Photoanode

    Chandra, Debraj / Li, Dong / Sato, Tetsuya / Tanahashi, Yuki / Togashi, Takanari / Ishizaki, Manabu / Kurihara, Masato / Mohamed, Eman A / Tsubonouchi, Yuta / Zahran, Zaki N / Saito, Kenji / Yui, Tatsuto / Yagi, Masayuki

    ACS sustainable chemistry & engineering. 2019 Oct. 11, v. 7, no. 21

    2019  

    Abstract: Nanorod architecture of a N₂-intercalated WO₃ photoanode has been developed by emphasizing the dual role of N₂H₄, which functioned simultaneously as a structure-directing agent and as a nitrogen source for in situ N₂ intercalation. The N content for WO₃– ... ...

    Abstract Nanorod architecture of a N₂-intercalated WO₃ photoanode has been developed by emphasizing the dual role of N₂H₄, which functioned simultaneously as a structure-directing agent and as a nitrogen source for in situ N₂ intercalation. The N content for WO₃–N₂H₄ increased with increase of calcination temperature from 350 to 420 °C and thereafter decreased up to 550 °C. This is different from the monotonously decreased N content with the calcination temperature increase for WO₃–NH₃. X-ray diffraction data indicated that the phase-pure monoclinic WO₃ crystals are formed over 350 °C calcination for WO₃–N₂H₄, in contrast to a mixed phase of hexagonal and monoclinic WO₃ crystals below 500 °C for WO₃–NH₃.The crystallinity of the monoclinic phase for WO₃–N₂H₄ is higher than those of WO₃-neat and WO₃–NH₃ at each calcination temperature of 350–550 °C. The β values of lattice parameters of the monoclinic phase changed significantly with the calcination temperature; this is consistent with the calcination temperature dependence of the N content, clarifying the intercalation of N₂ in the WO₃ lattice. The UV–visible diffuse reflectance spectra of WO₃–N₂H₄ exhibited a shoulder at 470–630 nm, which became more intense as the calcination temperature increased from 350 °C and then decreased up to 550 °C through the maximum at 420 °C. This temperature dependence is consistent with the cases of the N content and the lattice parameter of β. This indicates that N₂ intercalation into the WO₃ lattice is responsible for the considerable red shift in the absorption edge, with a new shoulder appearing at 470–630 nm due to transition from a new intermediate N 2p orbital formed in the conduction band of WO₃. Based on this transition, the WO₃–N₂H₄ photoanode can utilize the visible light in longer wavelength below 520 nm for photoelectrochemical water oxidation compared to 470 nm for WO₃-neat. The high incident photon-to-current conversion efficiency of the WO₃–N₂H₄ photoanode is due to efficient electron transport through the WO₃ nanorod film.
    Keywords X-ray diffraction ; absorption ; crystal structure ; crystals ; electrochemistry ; electron transfer ; nanorods ; nitrogen ; nitrogen content ; oxidation ; photochemistry ; temperature ; tungsten oxide ; wavelengths
    Language English
    Dates of publication 2019-1011
    Size p. 17896-17906.
    Publishing place American Chemical Society
    Document type Article
    ISSN 2168-0485
    DOI 10.1021/acssuschemeng.9b04467
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  6. Article ; Online: Critical Hammett Electron-Donating Ability of Substituent Groups for Efficient Water Oxidation Catalysis by Mononuclear Ruthenium Aquo Complexes.

    Watabe, Shunsuke / Tanahashi, Yuki / Hirahara, Masanari / Yamazaki, Hirosato / Takahashi, Kosuke / Mohamed, Eman A / Tsubonouchi, Yuta / Zahran, Zaki N / Saito, Kenji / Yui, Tatsuto / Yagi, Masayuki

    Inorganic chemistry

    2019  Volume 58, Issue 19, Page(s) 12716–12723

    Abstract: Ru(Rtpy)(bpy)( ... ...

    Abstract [Ru(Rtpy)(bpy)(H
    Language English
    Publishing date 2019-09-24
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484438-2
    ISSN 1520-510X ; 0020-1669
    ISSN (online) 1520-510X
    ISSN 0020-1669
    DOI 10.1021/acs.inorgchem.9b01623
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  7. Article: Multiple common and rare variants of

    Higashino, Toshihide / Takada, Tappei / Nakaoka, Hirofumi / Toyoda, Yu / Stiburkova, Blanka / Miyata, Hiroshi / Ikebuchi, Yuki / Nakashima, Hiroshi / Shimizu, Seiko / Kawaguchi, Makoto / Sakiyama, Masayuki / Nakayama, Akiyoshi / Akashi, Airi / Tanahashi, Yuki / Kawamura, Yusuke / Nakamura, Takahiro / Wakai, Kenji / Okada, Rieko / Yamamoto, Ken /
    Hosomichi, Kazuyoshi / Hosoya, Tatsuo / Ichida, Kimiyoshi / Ooyama, Hiroshi / Suzuki, Hiroshi / Inoue, Ituro / Merriman, Tony R / Shinomiya, Nariyoshi / Matsuo, Hirotaka

    RMD open

    2017  Volume 3, Issue 2, Page(s) e000464

    Abstract: Objective: Previous studies have suggested an association between gout susceptibility and common dysfunctional variants in ATP-binding cassette transporter subfamily G member 2/breast cancer resistance protein (: Methods: We sequenced the exons of !## ...

    Abstract Objective: Previous studies have suggested an association between gout susceptibility and common dysfunctional variants in ATP-binding cassette transporter subfamily G member 2/breast cancer resistance protein (
    Methods: We sequenced the exons of
    Results: We identified 3 common and 19 rare non-synonymous variants of
    Conclusions: This study revealed that multiple common and rare variants of
    Language English
    Publishing date 2017-08-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 2812592-7
    ISSN 2056-5933
    ISSN 2056-5933
    DOI 10.1136/rmdopen-2017-000464
    Database MEDical Literature Analysis and Retrieval System OnLINE

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