K
Ken-ichi Ishibashi
Researcher at Tokyo University of Pharmacy and Life Sciences
Publications - 70
Citations - 3151
Ken-ichi Ishibashi is an academic researcher from Tokyo University of Pharmacy and Life Sciences. The author has contributed to research in topics: Glucan & Candida albicans. The author has an hindex of 19, co-authored 70 publications receiving 2888 citations. Previous affiliations of Ken-ichi Ishibashi include Nagaoka University of Technology & University of Tokyo.
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Detection of active oxidative species in TiO2 photocatalysis using the fluorescence technique
TL;DR: In this article, the effect of light intensity on the generation efficiency of active oxidative species was examined by measuring the fluorescence derived by the reaction with either coumarin or terephthalic acid.
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Quantum yields of active oxidative species formed on TiO2 photocatalyst
TL;DR: The quantum yield of hydroxyl radical (⋅OH) production during TiO2 photocatalysis was estimated to be 7×10−5 in aqueous solution by means of a method using terephthalic acid as a fluorescence probe as mentioned in this paper.
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Generation and deactivation processes of superoxide formed on TiO2 film illuminated by very weak UV light in air or water
TL;DR: In this paper, the chemiluminescence from luminol dropped on TiO2 film-type photocatalysts was measured and the total number of steady-state O2- on the surface was determined from the intensity.
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The transcription factor ATF7 mediates lipopolysaccharide-induced epigenetic changes in macrophages involved in innate immunological memory
Keisuke Yoshida,Toshio Maekawa,Yujuan Zhu,Claire Renard-Guillet,Bruno Chatton,Kentaro Inoue,Takeru Uchiyama,Ken-ichi Ishibashi,Takuji Yamada,Naohito Ohno,Katsuhiko Shirahige,Mariko Okada-Hatakeyama,Shunsuke Ishii +12 more
TL;DR: An important role is identified for the stress-response transcription factor ATF7 in innate immunological memory, which suppressed a group of genes encoding factors involved in innate immunity in macrophages by recruiting the histone H3K9 dimethyltransferase G9a.
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Time-Dependent Behavior of Active Oxygen Species Formed on Photoirradiated TiO2 Films in Air
TL;DR: In this paper, active oxygen species formed on TiO2 film photocatalysts in air were examined by use of a chemiluminescence method, and the long-lived superoxide (O2-) was observed after the interception of the excitation light.