Výsledky vyhledávání - "Ryuji MONDEN"

Akademický článek

Improvement of ORR Activity of Monoclinic Zirconium Oxides by Fe and F Co-addition for PEFC Cathodes

Autor: Yuu TAKEUCHI, Koichi MATSUZAWA, Yasuke MATSUOKA, Keita WATANABE, Takaaki NAGAI, Ryuji MONDEN, Akimitsu ISHIHARA

Publikováno v: Electrochemistry, Vol 91, Iss 12, Pp 127001-127001 (2023)

We investigated the effect of adding Fe and F in the synthesis of zirconium oxide-based cathode precursors to enhance the catalytic activity in the oxygen reduction reaction (ORR) in acidic media. In particular, we focused on adding F, and an ORR ons

Externí odkaz: https://doaj.org/article/e28a2ce329004c678e4cbfaa335d79ca

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Fe and Zn Addition Effects of Ti Oxide-Based Electrocatalyst on Catalytic Activity for Oxygen Reduction Reaction

Autor: Koichi Matsuzawa, Momo Obata, Yuu Takeuchi, Yoshiro Ohgi, Takaaki Nagai, Ryuji Monden, Akimitsu Ishihara

Publikováno v: ECS Transactions. 111:29-34

In order to enhance the catalytic activity of non-precious oxide-based electrocatalyst for the oxygen evolution reaction (ORR), we have investigated the addition effects of Zn and Fe for Ti oxide-based electrocatalyst (TiOx) on the catalytic activity

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::51d71c4bd9415ec535f94fd728b4ba71
https://doi.org/10.1149/11105.0029ecst

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(Digital Presentation) Effect of Iron Doping on Oxygen Reduction Activity of Zirconium Oxides Containing Carbon and Nitrogen Using Pyrazine Carboxylic Acid As Platinum Alternative Cathodes for PEFC

Autor: Keita Watanabe, Koichi Matsuzawa, Yuu Takeuchi, Kaoru Ikegami, Yoshiro Ohgi, Takaaki Nagai, Ryuji Monden, Akimitsu Ishihara

Publikováno v: ECS Transactions. 109:389-399

The use of carbon-supported platinum catalysts as cathode of present polymer electrolyte fuel cells (PEFCs) have some problems such as high cost and low amount of resources of platinum. Therefore, we have attempted to develop substitute of platinum b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fbfca0ecb0d00be081cd1d7d439867c
https://doi.org/10.1149/10909.0389ecst

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(Digital Presentation) Effects of Foreign Elements Added Oxide-Based Electrocatalyst for Oxygen Reduction Reaction as Non-Precious Metel Cathodes

Autor: Koichi Matsuzawa, Momo Obata, Yuu Takeuchi, Yoshiro Ohgi, Kaoru Ikegami, Takaaki Nagai, Ryuji Monden, Akimitsu Ishihara

Publikováno v: ECS Meeting Abstracts. :1544-1544

On Dec. 2020, new MIRAI of fuel cell vehicle (FCV) from Toyota started to sell in Japan. However, the price of new model is almost same as previous model. For wide commercialization of FCV, it should be required for more development. One of the barri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95e52f3ee9f30eee09385d5c3989c6ea
https://doi.org/10.1149/ma2022-01351544mtgabs

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Studies on metabolic fate of oxybutynin hydrochloride. (3). Metabolism in human and dog and the site of biotransfornation and the effect on enzymes induction in the rats

Autor: Sumako Naito, Takako Igarashi, Yoshinori Iwata, Yoshio Akimoto, Hideyuki Hisa, Akihiko Manaka, Goro Urakubo, Yutaka Shinozaki, Hiroko Sakai, Ryuji Monden, Toshio Kasama

Publikováno v: Drug Metabolism and Pharmacokinetics. 1:341-352

The metabolites, metabolizing organs of oxybutynin and its effect on the induction of drug metabolizing enzymes were investigated in rat, dog and human after oral administrations of oxybutynin and following the results were obtained.1. Eight metaboli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::682a015dd1f411f8a080477ea2fb3e66
https://doi.org/10.2133/dmpk.1.341

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Synthesis of methyl glycoside derivatives of tri- and penta-saccharides related to the antithrombin III-binding sequence of heparin, employing cellobiose as a key starting-material

Autor: Ryuji Monden, Hiroyoshi Kuzuhara, Yoshitaka Ichikawa

Publikováno v: Carbohydrate Research. 172:37-64

Two key synthons for the title pentasaccharide derivative, methyl O-(methyl 2-O-benzoyl-3-O-benzyl-alpha-L-idopyranosyluronate)-(1----4)-6-O-acetyl- 2-azido - 3-O- benzyl-2-deoxy-beta-D-glucopyranoside and O-(methyl 2,3-di-O-benzyl-4-O- chloroacetyl-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87dd2cf4f886da201a50a1dfd0cf137f
https://doi.org/10.1016/s0008-6215(00)90842-5

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