Search Results - "USUI, YOSHIHARU"

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  1. 1

    Cationic Photopolymerization of Epoxides by Direct and Sensitized Photolysis of Onium Tetrakis(pentafluorophenyl)borate Initiators by Toba, Yasumasa, Saito, Midori, Usui, Yoshiharu

    Published in Macromolecules (18-05-1999)
    “…Cationic photopolymerization of epoxides by the direct and sensitized photolysis of eight onium tetrakis(pentafluorophenyl)borates as initiators has been…”
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    Journal Article
  2. 2

    Hydrolysis of phosphate esters catalyzed by copper(II)-triamine complexes. The effect of triamine ligands on the reactivity of the copper(II) catalysts by Itoh, Toyofumi, Hisada, Hiroyuki, Usui, Yoshiharu, Fujii, Yuki

    Published in Inorganica Chimica Acta (01-12-1998)
    “…Hydrolyses of lithium 2,4-dinitrophenyl ethyl phosphate ( 7) and 2,4-dinitrophenyl diethyl phosphate ( 8) catalyzed by copper(II)—triamine complexes (triamine…”
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  3. 3

    Photosensitized Reduction of Methyl Viologen Using Eosin-Y in Presence of a Sacrificial Electron Donor in Water–Alcohol Mixture by Islam, Shafiqul D-M., Konishi, Toshifumi, Fujitsuka, Mamoru, Ito, Osamu, Nakamura, Yuko, Usui, Yoshiharu

    Published in Photochemistry and photobiology (01-06-2000)
    “…Photoreduction of methyl viologen (MV2+) by eosin-Y (EY2−) in the presence of triethanolamine (TEOA) has been investigated in water–methanol mixture by means…”
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    Journal Article
  4. 4

    Onium Butyltriphenylborates as Donor−Acceptor Initiators for Sensitized Photopolymerizations of Vinyl Monomer by Toba, Yasumasa, Usui, Yoshiharu, Alam, Maksudul M, Ito, Osamu

    Published in Macromolecules (08-09-1998)
    “…Donor−acceptor initiators, onium butyltriphenylborates (DPIB, DMPSB) containing both an onium cation (electron-accepting radical generator) and a borate anion…”
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    Journal Article
  5. 5

    Visible Light Polymerization of Acrylate Using Dialkylphenacylsulfonium Butyltriphenylborate Initiators:  Effect of the Reduction Potential of the Sulfonium Cation on the Polymerization by Toba, Yasumasa, Usui, Yoshiharu, Konishi, Toshifumi, Ito, Osamu, Uesugi, Takahiko

    Published in Macromolecules (05-10-1999)
    “…Visible light polymerization of an acrylate in poly(methyl methacrylate) (PMMA) film using a series of dialkylphenacylsulfonium butyltriphenylborate initiators…”
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  6. 6

    C60 as Photosensitizing Electron-Transfer Mediator for Ion-Pair Charge-Transfer Complexes between Borate Anions and Methyl Viologen Dication by Konishi, Toshifumi, Fujitsuka, Mamoru, Ito, Osamu, Toba, Yasumasa, Usui, Yoshiharu

    “…Photochemical reactions between the excited triplet state of C60 and the ion-pair charge-transfer complex which consists of electron-acceptor cation (methyl…”
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  7. 7

    The C60-Photosensitized Reduction of Methyl Viologen Through the Intermediary of O2 by Konishi, Toshifumi, Fujitsuka, Mamoru, Ito, Osamu, Toba, Yasumasa, Usui, Yoshiharu

    Published in Bulletin of the Chemical Society of Japan (01-01-2001)
    “…C60-photosensitized reduction system of methyl viologen (1,1′-dimethyl-4,4′-bipyridinium) electron-mediated by O2 in organic solvents was demonstrated. By…”
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  8. 8

    Photoreduction of methylviologen using methylacridine orange in the presence of triethanolamine in ethanol–water mixtures by Islam, Shafiqul D.-M., Yoshikawa, Yuko, Fujitsuka, Mamoru, Ito, Osamu, Komatsu, Suguru, Usui, Yoshiharu

    “…Photoreduction of methylviologen (MV 2+) by 10-methylacridine orange (MAO +) in the presence of triethanolamine (TEOA) has been investigated in ethanol–water…”
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  9. 9

    Direct Observation of Acid-Base Interaction by Means of Mass Spectrometry for Clusters by Mochizuki, Shunsuke, Usui, Yoshiharu, Wakisaka, Akihiro

    Published in Chemistry letters (01-11-1997)
    “…The acid-base interaction could be visualized in the mass spectra of clusters isolated from solutions. The butyric acid-pyridine acid-base system in…”
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  10. 10

    Photosensitized Reduction of Methyl Viologen Using Eosin-Y in Presence of a Sacrificial Electron Donor in Water-Alcohol Mixture by Islam, Shafiqul D.-M., Konishi, Toshifumi, Fujitsuka, Mamoru, Ito, Osamu, Nakamura, Yuko, Usui, Yoshiharu

    Published in Photochemistry and photobiology (01-06-2000)
    “…ABSTRACT Photoreduction of methyl viologen (MV2+) by eosin‐Y (EY2−) in the presence of triethanolamine (TEOA) has been investigated in water–methanol mixture…”
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    Journal Article
  11. 11

    Extraction Equilibrium of Molybdenum(VI) with Several Alkylated 8-Quinolinol Derivatives by PURNAMAWATY, Etty, AMIMOTO, Tsuyoshi, IMURA, Hisanori, USUI, Yoshiharu, OHASHI, Kousaburo

    Published in Analytical Sciences (1994)
    “…The extraction equilibria of molybdenum(VI) with several alkylated 8-quinolinol derivatives (HQ): 2-methyl-5-octyloxymethyl-8-quinolinol (HMO8Q),…”
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  12. 12

    Emission Properties of Ternary Complexes of Europium(III)- β-Diketone-Trioctylphosphine Oxide by OHASHI, Kousaburo, YOSHIKAWA, Shoji, AKUTSU, Bin, NAKANO, Yoshiharu, USUI, Yoshiharu

    Published in Analytical Sciences (1990)
    “…The effect of the substituted aromatics in RCOCH2COCF3 (R: benzoyl, 4-chlorobenzoyl, 4-methoxybenzoyl, 3, 4, 5- trimethoxybenzoyl, 9-anthroyl) on the emission…”
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  13. 13
  14. 14

    The C sub(60)-Photosensitized Reduction of Methyl Viologen Through the Intermediary of O sub(2) by Konishi, Toshifumi, Fujitsuka, Mamoru, Ito, Osamu, Toba, Yasumasa, Usui, Yoshiharu

    Published in Bulletin of the Chemical Society of Japan (01-01-2001)
    “…C sub(60)-photosensitized reduction system of methyl viologen (1,1'- dimethyl-4,4'-bipyridinium) electron-mediated by O sub(2) in organic solvents was…”
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    Journal Article
  15. 15

    Solvent effects on the intrinsic enhancement factors of the triplet exciplex generated by photoinduced electron transfer reaction between eosin Y and duroquinone by TACHIKAWA, TAKASHI, KOBORI, YASUHIRO, AKIYAMA, KIMIO, KATSUKI, AKIO, USUI, YOSHIHARU, STEINER, ULRICH E., TERO-KUBOTA, SHOZO

    Published in Molecular physics (10-05-2002)
    “…The spin dynamics of the duroquinone anion radical (DQ *- ) generated by photoinduced electron transfer reactions from triplet eosin Y ( 3 EY 2- ) to DQ have…”
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  16. 16
  17. 17

    Synthesis of New Cationic Schiff Base Complexes of Copper(II) and Their Selective Binding with DNA by Tanaka, Tomohide, Tsurutani, Keiko, Komatsu, Atsushi, Ito, Toyofumi, Iida, Kazumi, Fujii, Yuki, Nakano, Yoshiharu, Usui, Yoshiharu, Fukuda, Yutaka, Chikira, Makoto

    Published in Bulletin of the Chemical Society of Japan (01-03-1997)
    “…A series of cationic salen-type Schiff base complexes of copper(II), the general formula of which is [Cu{R3N+–CH2–C6H3(O−)–CH=N–}2X]Br2 (R: CH3, C2H5, C3H7,…”
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  18. 18
  19. 19

    Emission Properties of Ternary Complexes of Europium(III)- [beta]-Diketone-Trioctylphosphine Oxide by OHASHI, Kousaburo, YOSHIKAWA, Shoji, AKUTSU, Bin, NAKANO, Yoshiharu, USUI, Yoshiharu

    Published in Analytical sciences (01-11-1990)
    “…The effect of the substituted aromatics in RCOCH2COCF3 (R: benzoyl, 4-chlorobenzoyl, 4-methoxybenzoyl, 3, 4, 5- trimethoxybenzoyl, 9-anthroyl) on the emission…”
    Get full text
    Journal Article