K. Ohkubo

K. Ohkubo, S. Fukuzumi, K. Hirose, 2016, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

Direct detection of superoxide anion generated in C60-photosensitized oxidation of NADH and an analogue by molecular oxygen

K. Ohkubo, S. Fukuzumi, O. Ito, 2002 .

Intramolecular base-accelerated radical-scavenging reaction of a planar catechin derivative bearing a lysine moiety.

K. Ohkubo, S. Fukuzumi, N. Miyata, 2009, Chemical communications.

Laser Flash Photolytic Generation of Radical Ions of Carotenoids in Organic Solvents. Studies of Their Subsequent Fates, Including Formation of Stable Carotenoid Sigma Dimer Radical Anion (CAR)2•–

K. Ohkubo, S. Fukuzumi, T. Melø, 2021, Journal of Photochemistry and Photobiology A: Chemistry.

UV‐induced oxygenation of toluene enhanced by Co (acac) 2 /9‐mesityl‐10‐methylacridinium ion/ N ‐hydroxyphthalimide tandem

K. Ohkubo, A. Pokutsa, Paweł Błoniarz, 2021, Asia-Pacific Journal of Chemical Engineering.

Modulation of Energy Conversion Processes in Carbonaceous Molecular Bearings.

K. Ohkubo, S. Fukuzumi, H. Kono, 2015, Chemistry, an Asian journal.

Electron-Transfer Reduction Properties and Excited-State Dynamics of Benzo[ghi]peryleneimide and Coroneneimide Derivatives

K. Ohkubo, S. Fukuzumi, Y. Araki, 2014 .

Control of photoinduced electron transfer in zinc phthalocyanine-perylenediimide dyad and triad by the magnesium ion.

K. Ohkubo, S. Fukuzumi, Á. Sastre‐Santos, 2008, The journal of physical chemistry. A.

Structural basis for DNA-cleaving activity of resveratrol in the presence of Cu(II).

K. Ohkubo, S. Fukuzumi, N. Miyata, 2006, Bioorganic & medicinal chemistry.

Anisotropic high electron mobility and photodynamics of a self-assembled porphyrin nanotube including C60 molecules

K. Ohkubo, S. Fukuzumi, F. Tani, 2009 .

Production of an ultra-long-lived charge-separated state in a zinc chlorin-C60 dyad by one-step photoinduced electron transfer.

K. Ohkubo, S. Fukuzumi, R. Pandey, 2004, Angewandte Chemie.

Long-lived charge-separated state produced by photoinduced electron transfer in a zinc imidazoporphyrin-C(60) dyad.

K. Ohkubo, S. Fukuzumi, O. Ito, 2003, Organic letters.

Structure and photoelectrochemical properties of ITO electrodes modified with self-assembled monolayers of meso, meso-linked porphyrin oligomers

I. Yamazaki, Tomoo Sato, K. Ohkubo, 2003 .

Small Reorganization Energy of Intramolecular Electron Transfer in Fullerene-Based Dyads with Short Linkage

K. Ohkubo, S. Fukuzumi, R. Pandey, 2002 .

Reversed effects of DNA on hydride transfer and electron transfer reactions of acridinium and quinolinium ions.

K. Ohkubo, S. Fukuzumi, Mari Nishimine, 2003, Chemical communications.

Preparation of Fullerenes by Resistive Heating Vaporization Method--Effect of Carbon Materials (特集炭素系機能材料)

R. Yamamoto, K. Ohkubo, K. Ohhashi, 2004 .

Photoinduced electron transfer from a tetrathiafulvalene-calix[4]pyrrole to a porphyrin carboxylate within a supramolecular ensemble

K. Ohkubo, S. Fukuzumi, C. M. Davis, 2014 .

Hydroxyl radical generation via photoreduction of a simple pyridine N-oxide by an NADH analogue.

K. Ohkubo, S. Fukuzumi, S. Hecht, 2005, Organic & biomolecular chemistry.

Ascorbate-assisted nitric oxide release from photocontrollable nitrosonium ion releasers for potent ex vivo photovasodilation.

K. Ohkubo, H. Nakagawa, Mitsuyasu Kawaguchi, 2022, Chemical communications.

Photoinduced change of dielectric permittivity in molecular doped polymer layer

K. Ohkubo, S. Fukuzumi, H. Murata, 2009 .

Efficient photocatalytic hydrogen evolution without an electron mediator using a simple electron donor-acceptor dyad.

K. Ohkubo, S. Fukuzumi, Hiroaki Kotani, 2007, Physical chemistry chemical physics : PCCP.

Fullerene acting as an electron donor in a donor-acceptor dyad to attain the long-lived charge-separated state by complexation with scandium ion.

K. Ohkubo, S. Fukuzumi, Á. Sastre‐Santos, 2007, Chemical communications.

Extracellular lipid metabolism influences the survival of ovarian cancer cells.

K. Ohkubo, T. Tsujiuchi, M. Iwamori, 2013, Biochemical and biophysical research communications.

Laser-Induced Dynamics of Peroxodicopper(II) Complexes Vary with the Ligand Architecture. One-Photon Two-Electron O2 Ejection and Formation of Mixed-Valent Cu(I)Cu(II)-Superoxide Intermediates.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2015, Journal of the American Chemical Society.

Copper(I)‐Dioxygen Reactivity in a Sterically Demanding Tripodal Tetradentate tren Ligand: Formation and Reactivity of a Mononuclear Copper(II) End‐On Superoxo Complex

K. Ohkubo, S. Fukuzumi, M. Kubo, 2012 .

Synthesis and photochemical properties of α-diketoporphyrins as precursors for π-expanded porphyrins

K. Ohkubo, S. Fukuzumi, T. Okujima, 2010 .

Copper complexes of the non-innocent β-diketiminate ligand containing phenol groups.

K. Ohkubo, S. Fukuzumi, Hiroaki Maekawa, 2013, Dalton transactions.

Synthesis and characterization of novel ferrocene-containing pyridylamine ligands and their ruthenium(II) complexes: electronic communication through hydrogen-bonded amide linkage.

K. Ohkubo, S. Fukuzumi, K. Yoshizawa, 2008, Inorganic chemistry.

Metal-free oxygenation of cyclohexane with oxygen catalyzed by 9-mesityl-10-methylacridinium and hydrogen chloride under visible light irradiation.

K. Ohkubo, S. Fukuzumi, A. Fujimoto, 2011, Chemical communications.

Photocatalytic Reduction of Low Concentration of CO2.

K. Ohkubo, O. Ishitani, Takuya Nakajima, 2016, Journal of the American Chemical Society.

Remarkable enhancement of catalytic activity of a 2 : 1 complex between a non-planar Mo(v)-porphyrin and a ruthenium-substituted Keggin-type heteropolyoxometalate in catalytic oxidation of benzyl alcohols.

K. Ohkubo, S. Fukuzumi, T. Ishizuka, 2012, Dalton transactions.

Stepwise vs. concerted pathways in scandium ion-coupled electron transfer from superoxide ion to p-benzoquinone derivatives.

K. Ohkubo, S. Fukuzumi, T. Kawashima, 2011, Physical chemistry chemical physics : PCCP.

Formation of superoxide–metal ion complexes and the electron transfer catalysis

K. Ohkubo, S. Fukuzumi, H. Imahori, 2002 .

Selective photocatalytic aerobic bromination with hydrogen bromide via an electron-transfer state of 9-mesityl-10-methylacridinium ion†

K. Ohkubo, S. Fukuzumi, Ryosuke Iwata, 2011 .

A discrete conglomerate of a distorted Mo(v)-porphyrin with a directly coordinated Keggin-type polyoxometalate.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2007, Chemical communications.

Photocatalytic oxygenation of anthracenes and olefins with dioxygen via selective radical coupling using 9-mesityl-10-methylacridinium ion as an effective electron-transfer photocatalyst.

K. Ohkubo, S. Fukuzumi, Hiroaki Kotani, 2004, Journal of the American Chemical Society.

Photoinduced electron transfer in a β,β'-pyrrolic fused ferrocene-(zinc porphyrin)-fullerene

J. Reimers, K. Ohkubo, S. Fukuzumi, 2007 .

Photoelectrochemical properties of supramolecular composite of fullerene nanoclusters and 9-mesityl-10-carboxymethylacridinium ion on SnO2.

K. Ohkubo, S. Fukuzumi, P. Kamat, 2004, Organic letters.

Synthesis and photoinduced electron transfer of phthalocyanine-perylenebisimide pentameric arrays.

K. Ohkubo, S. Fukuzumi, F. J. Céspedes-Guirao, 2009, The Journal of organic chemistry.

Formation of Ground State Triplet Diradicals from Annulated Rosarin Derivatives by Triprotonation.

K. Ohkubo, S. Fukuzumi, Dongho Kim, 2015, Journal of the American Chemical Society.

Intramolecular electron transfer within the substituted tetrathiafulvalene-quinone dyads: facilitated by metal ion and photomodulation in the presence of spiropyran.

Hui-Fang Wu, Deqing Zhang, Daoben Zhu, 2007, Journal of the American Chemical Society.

Quantitative Evaluation of Lewis Acidity of Organotin Compounds and the Catalytic Reactivity in Electron Transfer

K. Ohkubo, S. Fukuzumi, A. Orita, 2001 .

Quantitative evaluation of Lewis acidity of metal ions derived from the g values of ESR spectra of superoxide: metal ion complexes in relation to the promoting effects in electron transfer reactions.

K. Ohkubo, S. Fukuzumi, 2000, Chemistry.

Pathological complete remission of relapsed tumor by photo‐activating antibody–mimetic drug conjugate treatment

S. Ishikawa, K. Ohkubo, H. Katoh, 2022, Cancer science.

Remarkable effects of counter ions on scandium ion-promoted electron transfer reactions.

K. Ohkubo, S. Fukuzumi, T. Suenobu, 2003, Chemical communications.

Light-Driven C-H Oxygenation of Methane into Methanol and Formic Acid by Molecular Oxygen Using a Perfluorinated Solvent.

K. Ohkubo, K. Hirose, 2018, Angewandte Chemie.

A profluorescent nitroxide probe for ascorbic acid detection and its application to quantitative analysis of diabetic rat plasma

K. Ohkubo, S. Fukuzumi, Ken‐ichi Yamada, 2016 .

Ru( II ) – Re( I ) binuclear photocatalysts connected by – CH 2 XCH 2 – (X ¼ O, S, CH 2 ) for CO 2 reduction †

K. Ohkubo, O. Ishitani, K. Koike, 2015 .

Photochemical C-H oxygenation of side-chain methyl groups in polypropylene with chlorine dioxide.

K. Ohkubo, H. Asahara, Tsuyoshi Inoue, 2019, Chemical communications.

Post-translational His-Cys cross-linkage formation in tyrosinase induced by copper(II)-peroxo species.

K. Ohkubo, S. Fukuzumi, S. Nagao, 2011, Journal of the American Chemical Society.

Solubilisation of a 2,2-diphenyl-1-picrylhydrazyl radical in water by β-cyclodextrin to evaluate the radical-scavenging activity of antioxidants in aqueous media.

Y. Yoshihashi, K. Terada, K. Ohkubo, 2015, Chemical communications.

Oxygenation and chlorination of aromatic hydrocarbons with hydrochloric acid photosensitized by 9-mesityl-10-methylacridinium under visible light irradiation

K. Ohkubo, S. Fukuzumi, Kentaro Mizushima, 2012, Research on Chemical Intermediates.

Enhanced photoinduced oligomerization of fullerene via radical coupling between fullerene radical cation and radical anion using 9-mesityl-10-methylacridinium ion.

K. Ohkubo, S. Fukuzumi, Ryosuke Iwata, 2007, Chemical communications.

Photocatalytic electron-transfer oxidation of triphenylphosphine and benzylamine with molecular oxygen via formation of radical cations and superoxide ion

K. Ohkubo, S. Fukuzumi, Takashi Nanjo, 2006 .

DNA cleavage by UVA irradiation of NADH with dioxygen via radical chain processes.

K. Ohkubo, S. Fukuzumi, Makiko Tanaka, 2006, The journal of physical chemistry. A.

Modulation of characteristics of a ruthenium-coordinated flavin analogue that shows an unusual coordination mode.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2007, Angewandte Chemie.

Oxidation mechanism of phenols by dicopper-dioxygen (Cu2/O2) complexesμ

K. Ohkubo, S. Fukuzumi, S. Itoh, 2003 .

A ruthenium pterin complex showing proton-coupled electron transfer: synthesis and characterization.

K. Ohkubo, S. Fukuzumi, Y. Matsuda, 2003, Angewandte Chemie.

Fluorescent zinc sensor with minimized proton-induced interferences: photophysical mechanism for fluorescence turn-on response and detection of endogenous free zinc ions.

K. Ohkubo, S. Fukuzumi, Soo Young Park, 2012, Inorganic chemistry.

Lewis acid-induced change from four- to two-electron reduction of dioxygen catalyzed by copper complexes using scandium triflate.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2015, Journal of the American Chemical Society.

Much enhanced catalytic reactivity of cobalt chlorin derivatives on two-electron reduction of dioxygen to produce hydrogen peroxide.

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2015, Inorganic chemistry.

Enhanced catalytic four-electron dioxygen (O2) and two-electron hydrogen peroxide (H2O2) reduction with a copper(II) complex possessing a pendant ligand pivalamido group.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2013, Journal of the American Chemical Society.

Acid-induced mechanism change and overpotential decrease in dioxygen reduction catalysis with a dinuclear copper complex.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2013, Journal of the American Chemical Society.

Temperature-independent catalytic two-electron reduction of dioxygen by ferrocenes with a copper(II) tris[2-(2-pyridyl)ethyl]amine catalyst in the presence of perchloric acid.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2013, Journal of the American Chemical Society.

Effect of Magnesium Ion on the Radical-Scavenging Rate of Pterostilbene in an Aprotic Medium: Mechanistic Insight into the Antioxidative Reaction of Pterostilbene

K. Ohkubo, K. Shimoda, H. Hamada, 2022, Antioxidants.

A planar catechin analogue having a more negative oxidation potential than (+)-catechin as an electron transfer antioxidant against a peroxyl radical.

K. Ohkubo, S. Fukuzumi, K. Miyazaki, 2004, Chemical research in toxicology.

Metalloporphycenes: synthesis and characterization of (pentamethylcyclopentadienyl)ruthenium sitting-atop and pi-complexes.

K. Ohkubo, S. Fukuzumi, V. Lynch, 2009, Journal of the American Chemical Society.

Organotin perfluorooctanesulfonates as air-stable Lewis acid catalysts: synthesis, characterization, and catalysis.

K. Ohkubo, S. Fukuzumi, A. Orita, 2006, Chemistry.

Fluorescence maxima of 10-methylacridone-metal ion salt complexes: a convenient and quantitative measure of lewis acidity of metal ion salts.

K. Ohkubo, S. Fukuzumi, 2002, Journal of the American Chemical Society.

Factors that control catalytic two- versus four-electron reduction of dioxygen by copper complexes.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2012, Journal of the American Chemical Society.

Spectroelectrochemical and ESR studies of highly substituted copper corroles

H Zhao, K. Ohkubo, S. Fukuzumi, 2004 .

Catalytic four-electron reduction of O2 via rate-determining proton-coupled electron transfer to a dinuclear cobalt-μ-1,2-peroxo complex.

K. Ohkubo, S. Fukuzumi, Hyejin Park, 2012, Journal of the American Chemical Society.

A Key Role for Old Yellow Enzyme in the Metabolism of Drugs by Trypanosoma cruzi

K. Ohkubo, S. Fukuzumi, Y. Urade, 2002, The Journal of experimental medicine.

Photocatalyses of Ru(II)–Re(I) binuclear complexes connected through two ethylene chains for CO2 reduction

K. Ohkubo, O. Ishitani, K. Koike, 2016 .

Photoinduced electron-transfer dynamics and long-lived CS states of donor–acceptor linked dyads and a triad containing a gold porphyrin in nonpolar solvents

K. Ohkubo, S. Fukuzumi, N. Tkachenko, 2006 .

Evidence that gold(III) porphyrins are not electrochemically inert: facile generation of gold(II) 5,10,15,20-tetrakis(3,5-di-tert-butylphenyl)porphyrin.

K. Ohkubo, S. Fukuzumi, M. Crossley, 2002, Chemical communications.

Synthetically tuneable biomimetic artificial photosynthetic reaction centres that closely resemble the natural system in purple bacteria

J. Reimers, K. Ohkubo, S. Fukuzumi, 2016, Chemical science.

Efficient photocatalytic oxygenation of aromatic alkene to 1,2-dioxetane with oxygen via electron transfer.

K. Ohkubo, S. Fukuzumi, Takashi Nanjo, 2005, Organic letters.

Helicity-selective photoreaction of single-walled carbon nanotubes with organosulfur compounds in the presence of oxygen.

T. Miyashita, K. Ohkubo, S. Fukuzumi, 2013, Journal of the American Chemical Society.

etric allylation of aldehydes with alkenes through allylic C ( sp 3 ) – H functionalization mediated by organophotoredox and chiral chromium hybrid catalysis †

K. Ohkubo, M. Kanai, S. Tanabe, 2019 .

Formation of hydrogen peroxide from coal tar as hydrogen sources using 9-mesityl-10-methylacridinium ion as an effective photocatalyst

K. Ohkubo, S. Fukuzumi, Hiroaki Kotani, 2008 .

Phenylene-bridged bis(benzimidazolium) (BBIm2+): a dicationic organic photoredox catalyst

K. Ohkubo, T. Kodama, Mamoru Tobisu, 2020, Chemical science.

Paddlewheel Complexes with Azulenes: Electronic Interaction between Metal Centers and Equatorial Ligands.

K. Ohkubo, S. Noro, T. Tsuchiya, 2019, ChemPlusChem.

Electronic infrared light absorption of a tri-palladium complex containing two π-expanded tetracene ligands

K. Ohkubo, S. Fukuzumi, Y. Matsuo, 2014 .

Catalytic mechanisms of hydrogen evolution with homogeneous and heterogeneous catalysts

K. Ohkubo, S. Fukuzumi, Yusuke Yamada, 2011 .

A planar catechin analogue as a promising antioxidant with reduced prooxidant activity.

K. Ohkubo, S. Fukuzumi, K. Miyazaki, 2003, Chemical research in toxicology.

9‐Mesityl‐10‐methylacridinium Perchlorate

K. Ohkubo, S. Fukuzumi, D. Nicewicz, 2015 .

Photoinduced Reactions of Radical Ions via Charge Separation

K. Ohkubo, S. Fukuzumi, 2012 .

Assemblies of artificial photosynthetic reaction centres

K. Ohkubo, S. Fukuzumi, 2012 .

Photocatalytic formation of dimethyllepidopterene from 9,10-dimethylanthracene via electron-transfer oxidation.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2006, Organic letters.

Control of reaction pathways in the photochemical reaction of a quinone with tetramethylethylene by metal binding.

K. Ohkubo, S. Fukuzumi, S. Akimoto, 2014, Organic & biomolecular chemistry.

One-pot chlorocarboxylation of toluenes with chlorine dioxide under photoirradiation

K. Ohkubo, H. Asahara, Shohei Ohno, 2022, RSC advances.

Synthesis, crystal structure, and photodynamics of π-expanded porphyrin-fullerene dyads synthesized by Diels-Alder reaction.

K. Ohkubo, S. Fukuzumi, O. Ito, 2010, The journal of physical chemistry. B.

"ON-OFF" switching of europium complex luminescence coupled with a ligand redox process.

Hiroshi Tsukube, Munetaka Oyama, S. Fukuzumi, 2012, Chemical communications.

Reversible photoredox switching of porphyrin-bridged bis-2,6-di-tert-butylphenols.

K. Ohkubo, S. Fukuzumi, K. Ariga, 2011, Journal of the American Chemical Society.

Model studies of 6,7-indolequinone cofactors of quinoprotein amine dehydrogenases.

K. Ohkubo, S. Fukuzumi, K. Kano, 2007, The Journal of organic chemistry.

Oxygenation of α-Methylstyrene with Molecular Oxygen, Catalyzed by 10-Methylacridinium Ion via Photoinduced Electron Transfer

K. Ohkubo, S. Fukuzumi, Kyou Suga, 2003 .

Quantitative evaluation of d-pi interaction in copper(I) complexes and control of copper(I)-dioxygen reactivity.

K. Ohkubo, S. Fukuzumi, M. Shiro, 2004, Chemistry.

Crystal structures and solution properties of discrete complexes composed of saddle-distorted molybdenum(v)-dodecaphenylporphyrins and keggin-type heteropolyoxometalates linked by direct coordination.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2010, Inorganic chemistry.

Highly efficient cycloreversion of photochromic dithienylethene compounds using visible light-driven photoredox catalysis

K. Ohkubo, S. Fukuzumi, W. Nam, 2014 .

Ultrafast Photodynamics of Exciplex Formation and Photoinduced Electron Transfer in Porphyrin−Fullerene Dyads Linked at Close Proximity

Helge Lemmetyinen, Shunichi Fukuzumi, Nikolai V. Tkachenko, 2003 .

A supramolecular photocatalyst composed of a polyoxometalate and a photosensitizing water-soluble porphyrin diacid for the oxidation of organic substrates in water

K. Ohkubo, S. Fukuzumi, T. Ishizuka, 2018 .

Efficient charge separation in Li(+) @C60 supramolecular complexes with electron donors.

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2015, Chemistry, an Asian journal.

Supramolecular formation of Li(+) @PCBM fullerene with sulfonated porphyrins and long-lived charge separation.

K. Ohkubo, S. Fukuzumi, Y. Matsuo, 2014, Chemphyschem : a European journal of chemical physics and physical chemistry.

Ultrafast charge separation in supramolecular tetrapyrrole-graphene hybrids.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2012, Chemical communications.

Graphene oxide-Li(+)@C60 donor-acceptor composites for photoenergy conversion.

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2015, Physical chemistry chemical physics : PCCP.

Stopped-flow kinetic analysis of the interaction of cyclo[8]pyrrole with anions.

K. Ohkubo, S. Fukuzumi, Kenneth A. Johnson, 2010, Journal of the American Chemical Society.

Photosynthetic reaction center mimicry: low reorganization energy driven charge stabilization in self-assembled cofacial zinc phthalocyanine dimer-fullerene conjugate.

M. Zandler, F. D’Souza, K. Ohkubo, 2009, Journal of the American Chemical Society.

An extremely long-lived charge-separated state of zinc tetraphenylporphyrin coordinated with pyridylnaphthalene-diimide

K. Ohkubo, S. Fukuzumi, Y. Kashiwagi, 2006 .

Persistent electron-transfer state of a pi-complex of acridinium ion inserted between porphyrin rings of cofacial bisporphyrins.

K. Ohkubo, S. Fukuzumi, Makiko Tanaka, 2006, Journal of the American Chemical Society.

Electroreduction and acid-base properties of dipyrrolylquinoxalines.

Weihua Zhu, K. Ohkubo, S. Fukuzumi, 2012, The journal of physical chemistry. A.

"Umpolung" photoinduced charge separation in an anion-bound supramolecular complex.

K. Ohkubo, S. Fukuzumi, J. Sessler, 2008, Journal of the American Chemical Society.

Quinoxalino[2,3-b']porphyrins behave as pi-expanded porphyrins upon one-electron reduction: broad control of the degree of delocalization through substitution at the macrocycle periphery.

J. Reimers, K. Ohkubo, S. Fukuzumi, 2007, Journal of Physical Chemistry B.

Long-lived photoinduced charge separation for solar cell applications in supramolecular complexes of multi-metalloporphyrins and fullerenes.

K. Ohkubo, S. Fukuzumi, 2013, Dalton transactions.

Phosphorescent sensor for biological mobile zinc.

K. Ohkubo, S. Fukuzumi, S. Lippard, 2011, Journal of the American Chemical Society.

Design and synthesis of polymetallic complexes based on meso-calix[4]pyrrole: platforms for multielectron chemistry.

K. Ohkubo, S. Fukuzumi, V. Lynch, 2007, Journal of the American Chemical Society.

Corrole-fullerene dyads: formation of long-lived charge-separated states in nonpolar solvents.

R. Chitta, M. Zandler, F. D’Souza, 2008, Journal of the American Chemical Society.

EPR Study on Stable Magnesium Complexes of the Phenoxyl Radicals Derived from a Vitamin E Model and Its Deuterated Derivatives

K. Ohkubo, S. Fukuzumi, M. Mochizuki, 2004 .

Photochemical and electrochemical properties of zinc chlorin-C60 dyad as compared to corresponding free-base chlorin-C60, free-base porphyrin-C60, and zinc porphyrin-C60 dyads.

K. Ohkubo, S. Fukuzumi, R. Pandey, 2001, Journal of the American Chemical Society.

Metal-centered photoinduced electron transfer reduction of a gold(III) porphyrin cation linked with a zinc porphyrin to produce a long-lived charge-separated state in nonpolar solvents.

K. Ghiggino, K. Ohkubo, S. Fukuzumi, 2003, Journal of the American Chemical Society.

Direct detection of nucleotide radical cations produced by electron-transfer oxidation of DNA bases with electron-transfer state of 9-mesityl-10-methylacridinium ion and resulting efficient DNA cleavage without oxygen.

K. Ohkubo, S. Fukuzumi, K. Yukimoto, 2006, Chemical communications.

Efficient two-electron reduction of dioxygen to hydrogen peroxide with one-electron reductants with a small overpotential catalyzed by a cobalt chlorin complex.

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2013, Journal of the American Chemical Society.

η5-Cyclopentadienyliron(II)-[14]triphyrin(2.1.1) sandwich compounds: synthesis, characterization, and stable redox interconversion.

K. Ohkubo, S. Fukuzumi, N. Aratani, 2013, Angewandte Chemie.

Remarkable regioselective position-10 bromination of bacteriopyropheophorbide-a and ring-B reduced pyropheophorbide-a.

K. Ohkubo, S. Fukuzumi, R. Pandey, 2011, Organic letters.

Photocatalytic Oxygenation of Substrates by Dioxygen with Protonated Manganese(III) Corrolazine.

K. Ohkubo, S. Fukuzumi, Jieun Jung, 2016, Inorganic chemistry.

Viologen-modified platinum clusters acting as an efficient catalyst in photocatalytic hydrogen evolution.

K. Ohkubo, S. Fukuzumi, Y. Takai, 2006, The journal of physical chemistry. B.

Aluminium ion-promoted radical-scavenging reaction of methylated hydroquinone derivatives.

K. Ohkubo, S. Fukuzumi, I. Nakanishi, 2016, Organic & biomolecular chemistry.

Multiple photosynthetic reaction centers composed of supramolecular assemblies of a zinc porphyrin dendrimer with pyridylnaphthalenediimide

K. Ohkubo, S. Fukuzumi, T. Khoury, 2011 .

Porphyrins fused with strongly electron-donating 1,3-dithiol-2-ylidene moieties: redox control by metal cation complexation and anion binding.

J. O. Jeppesen, K. Nielsen, K. Ohkubo, 2013, Journal of the American Chemical Society.

Formation of dodecaphenylporphodimethene via facile protonation of saddle-distorted dodecaphenylporphyrin.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2008, Chemical communications.

Electron-transfer and acid-base properties of a two-electron oxidized form of quaterpyrrole that acts as both an electron donor and an acceptor.

Min Zhang, K. Ohkubo, S. Fukuzumi, 2008, The journal of physical chemistry. A.

Electron-transfer oxidation properties of substituted bi-, ter-, and quaterpyrroles.

K. Ohkubo, S. Fukuzumi, J. Sessler, 2007, The journal of physical chemistry. B.

Photoinduced electron transfer in supramolecular complexes of a π-extended viologen with porphyrin monomer and dimer

Roger Guilard, Shunichi Fukuzumi, K. Ohkubo, 2012 .

Multiple photosynthetic reaction centres composed of supramolecular assemblies of zinc porphyrin dendrimers with a fullerene acceptor.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2011, Chemical communications.

Photoelectrochemical properties of supramolecular composites of an anionic zinc chlorin and Li+@C60 on SnO2

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2014 .

Inter- and intramolecular photoinduced electron transfer of flavin derivatives with extremely small reorganization energies.

K. Ohkubo, S. Fukuzumi, M. Murakami, 2010, Chemistry.

Face-to-face pacman-type porphyrin-fullerene dyads: design, synthesis, charge-transfer interactions, and photophysical studies.

Paul A. Karr, F. D’Souza, K. Ohkubo, 2008, Chemistry.

Substituent effects on the site of electron transfer during the first reduction for gold(III) porphyrins.

K. Ohkubo, S. Fukuzumi, M. Crossley, 2004, Inorganic chemistry.

Synthesis and photophysics of silicon phthalocyanine-perylenebisimide triads connected through rigid and flexible bridges.

K. Ohkubo, S. Fukuzumi, F. J. Céspedes-Guirao, 2011, Chemistry.

Implementation of redox gradients in hydrogen bonded complexes containing N,N-dimethylaniline, flavin and fullerene derivatives

K. Ohkubo, S. Fukuzumi, A. Hirsch, 2010 .

Remarkable Accelerating Effects of Ammonium Cations on Electron-Transfer Reactions of Quinones by Hydrogen Bonding with Semiquinone Radical Anions

K. Ohkubo, S. Fukuzumi, K. Okamoto, 2004 .

Front Cover: A Triphenylamine–Naphthalenediimide–Fullerene Triad: Synthesis, Photoinduced Charge Separation and Solution‐Processable Bulk Heterojunction Solar Cells (Asian J. Org. Chem. 1/2018)

R. Bhosale, K. Ohkubo, L. Jones, 2018 .

Photoinduced electron transfer in a dynamic supramolecular system with curved π-structures.

K. Ohkubo, S. Fukuzumi, H. Kono, 2014, Organic letters.

Electrochemical reduction of cationic Li+@C60 to neutral Li+@C60˙–: isolation and characterisation of endohedral [60]fulleride† †Electronic supplementary information (ESI) available: Ionic conductivity; solid state ESR spectrum; crystallographic table; MEM analysis; and DFT calculations. CCDC 145869

K. Ohkubo, S. Fukuzumi, S. Aoyagi, 2016, Chemical science.

Electron-transfer mechanism in radical-scavenging reactions by a vitamin E model in a protic medium.

K. Ohkubo, S. Fukuzumi, H. Kanazawa, 2005, Organic & biomolecular chemistry.

Tetrathiafulvalene-annulated [28]hexaphyrin(1.1.1.1.1.1): a multi-electron donor system subject to conformational control.

K. Ohkubo, S. Fukuzumi, C. M. Davis, 2013, Chemical communications.

DNA cleavage induced by photoirradiation of coenzyme B12 and organocobaloximes without dioxygen

K. Ohkubo, S. Fukuzumi, Makiko Tanaka, 2008 .

Reductive DNA cleavage induced by UVA photoirradiation of NADH without oxygen.

K. Ohkubo, S. Fukuzumi, Makiko Tanaka, 2006, Journal of the American Chemical Society.

Disproportionation of a 2,2-diphenyl-1-picrylhydrazyl radical as a model of reactive oxygen species catalysed by Lewis and/or Brønsted acids.

K. Ohkubo, S. Fukuzumi, Y. Uto, 2014, Chemical communications.

Enhanced radical-scavenging activity of naturally-oriented artepillin C derivatives.

K. Ohkubo, S. Fukuzumi, Y. Uto, 2008, Chemical communications.

Efficient radical scavenging ability of artepillin C, a major component of Brazilian propolis, and the mechanism.

K. Ohkubo, S. Fukuzumi, K. Miyazaki, 2003, Organic & biomolecular chemistry.

Effect of Solvent Polarity on the One-electron Oxidation of Cyclic Nitroxyl Radicals

K. Ohkubo, S. Fukuzumi, I. Nakanishi, 2007 .

A long-lived o-semiquinone radical anion is formed from N-beta-alanyl-5-S-glutathionyl-3,4-dihydroxyphenylalanine (5-S-GAD), an insect-derived antibacterial substance.

K. Ohkubo, S. Fukuzumi, M. Tsujimoto, 2007, Journal of biochemistry.

Photocatalytic oxygenation of olefins with oxygen: Isolation of 1,2-dioxetane and the photocatalytic O–O bond cleavage

K. Ohkubo, S. Fukuzumi, Takashi Nanjo, 2006 .

Zinc Phthalocyanine–Graphene Hybrid Material for Energy Conversion: Synthesis, Characterization, Photophysics, and Photoelectrochemical Cell Preparation

K. Ohkubo, S. Fukuzumi, Á. Sastre‐Santos, 2012 .

Proton shift upon one-electron reduction in ruthenium(II)-coordinated pterins.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2008, Angewandte Chemie.

Kinetics and Mechanism of Intramolecular Electron Transfer in Ru(II)-Re(I) Supramolecular CO2-Reduction Photocatalysts: Effects of Bridging Ligands.

K. Ohkubo, K. Onda, O. Ishitani, 2019, Inorganic chemistry.

Androgynous porphyrins. Silver(II) quinoxalinoporphyrins act as both good electron donors and acceptors.

Weihua Zhu, K. Ohkubo, S. Fukuzumi, 2008, Journal of the American Chemical Society.

Control of the orbital delocalization and implications for molecular rectification in the radical anions of porphyrins with coplanar 90 degrees and 180 degrees beta,beta'-fused extensions.

J. Reimers, K. Ohkubo, S. Fukuzumi, 2008, Journal of Physical Chemistry A.

Size-selective incorporation of donor–acceptor linked dyad cations into zeolite Y and long-lived charge separation

K. Ohkubo, S. Fukuzumi, A. Itoh, 2015 .

Evaluation of the sonosensitizing activities of 5-aminolevulinic acid and Sn(IV) chlorin e6 in tumor-bearing chick embryos.

K. Ohkubo, S. Fukuzumi, M. Ishizuka, 2014, Anticancer research.

Does bimolecular charge recombination in highly exergonic electron transfer afford the triplet excited state or the ground state of a photosensitizer?

K. Ohkubo, S. Fukuzumi, T. Ganguly, 2008, The journal of physical chemistry. A.

Direct Measurement of Intramolecular Electron Transfer in a Series of Artificial Photosynthesis Processes

K. Ohkubo, K. Onda, O. Ishitani, 2019, EPJ Web of Conferences.

Efficient Epoxidation of Styrene Derivatives by a Nonheme Iron(IV)-Oxo Complex via Proton-Coupled Electron Transfer with Triflic Acid.

K. Ohkubo, S. Fukuzumi, Yong‐Min Lee, 2015, Inorganic chemistry.

Direct ESR detection of pentadienyl radicals and peroxyl radicals in lipid peroxidation: mechanistic insight into regioselective oxygenation in lipoxygenases.

K. Ohkubo, S. Fukuzumi, S. Ogo, 2005, Journal of the American Chemical Society.

Structure and spectroscopy of oxyluciferin, the light emitter of the firefly bioluminescence.

K. Ohkubo, S. Fukuzumi, P. Naumov, 2009, Journal of the American Chemical Society.

Kinetics and mechanism for the scavenging reaction of the 2,2-diphenyl-1-picrylhydrazyl radical by synthetic artepillin c analogues

K. Ohkubo, S. Fukuzumi, Y. Uto, 2012 .

Effects of DNA on driving force dependence of photoinduced electron transfer from the excited state of tris(2,2-bipyridine)ruthenium(II) to intercalators in DNA: Distinction between intra- and inter-DNA pathways

K. Ohkubo, S. Fukuzumi, Makiko Tanaka, 2005 .

Electron-transfer oxidation of coenzyme B12 model compounds and facile cleavage of the cobalt(IV)-carbon bond via charge-transfer complexes with bases. A negative temperature dependence of the rates.

K. Ohkubo, S. Fukuzumi, 2005, The journal of physical chemistry. A.

The high stability of intermediate radicals enhances the radical-scavenging activity of aminochromanols

K. Ohkubo, S. Fukuzumi, M. Mochizuki, 2012 .

Redox-controlled Ligand Exchange of the Heme in the CO-sensing Transcriptional Activator CooA*

K. Ohkubo, T. Matsuo, S. Aono, 1998, The Journal of Biological Chemistry.

Heme Environmental Structure of CooA Is Modulated by the Target DNA Binding

K. Ohkubo, S. Takahashi, T. Uchida, 1998, The Journal of Biological Chemistry.

Effects of Metal Ions Distinguishing between One-Step Hydrogen- and Electron-Transfer Mechanisms for the Radical-Scavenging Reaction of (+)-Catechin

K. Ohkubo, S. Fukuzumi, K. Miyazaki, 2002 .

Dihydroxylation of styrene by sodium chlorite with scandium triflate

K. Ohkubo, S. Fukuzumi, K. Hirose, 2017 .

Antichagasic Activity of Komaroviquinone Is Due to Generation of Reactive Oxygen Species Catalyzed by Trypanosoma cruzi Old Yellow Enzyme

K. Ohkubo, S. Fukuzumi, Y. Urade, 2005, Antimicrobial Agents and Chemotherapy.

Rational design principle for modulating fluorescence properties of fluorescein-based probes by photoinduced electron transfer.

Yasuteru Urano, Tetsuo Nagano, Shunichi Fukuzumi, 2003, Journal of the American Chemical Society.

Mechanisms and applications of cyclometalated Pt( II ) complexes in photoredox catalytic tri ﬂ uoromethylation

K. Ohkubo, S. Fukuzumi, Youngmin You, 2015 .

Efficient singlet oxygen generation from sugar pendant C60 derivatives for photodynamic therapy.

K. Ohkubo, S. Fukuzumi, Q. Duan, 2015, Chemical communications.

Dual function photocatalysis of cyano-bridged heteronuclear metal complexes for water oxidation and two-electron reduction of dioxygen to produce hydrogen peroxide as a solar fuel.

K. Ohkubo, S. Fukuzumi, Yusuke Yamada, 2017, Chemical Communications.

Catalytic reduction of proton, oxygen and carbon dioxide with cobalt macrocyclic complexes

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2016 .

Metal-free hydrogen evolution with nanoparticles derived from pyrene via two-photon ionization induced by laser irradiation.

K. Ohkubo, S. Fukuzumi, Yusuke Yamada, 2015, Chemical communications.

Activationless electron self-exchange of high-valent oxo and imido complexes of chromium corroles.

K. Ohkubo, S. Fukuzumi, M. Abu‐Omar, 2015, Inorganic chemistry.

Formation of the Long-Lived Charge-Separated State of the 9-Mesityl-10-methylacridinium Cation Incorporated into Mesoporous Aluminosilicate at High Temperatures

K. Ohkubo, S. Fukuzumi, A. Itoh, 2014 .

Catalytic activity of biscobalt porphyrin-corrole dyads toward the reduction of dioxygen.

K. Ohkubo, S. Fukuzumi, K. Kadish, 2009, Inorganic chemistry.

Clarification of the oxidation state of cobalt corroles in heterogeneous and homogeneous catalytic reduction of dioxygen.

K. Ohkubo, S. Fukuzumi, K. Kadish, 2008, Inorganic chemistry.

pH Effect on the Scavenging Rates of Ascorbic Acid against Selected Radicals in Phosphate Buffer Solutions

K. Ohkubo, S. Fukuzumi, I. Nakanishi, 2022, Free Radical Biology and Medicine.

One-Step Selective Hydroxylation of Benzene to Phenol

K. Ohkubo, S. Fukuzumi, 2015 .

Synthetic control over intra- and intermolecular charge transfer can turn on the fluorescence emission of non-emissive coumarin

K. Ohkubo, S. Fukuzumi, B. Jhun, 2016 .

Impact of peripheral substituents in regioselective synthesis of position-10 or position-20 bromo-bacteriochlorins

K. Ohkubo, S. Fukuzumi, R. Pandey, 2017 .

Broadband Light Harvesting and Fast Charge Separation in Ordered Self-Assemblies of Electron Donor–Acceptor-Functionalized Graphene Oxide Layers for Effective Solar Energy Conversion

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2015 .

Hydrogen abstraction from neurotransmitters by active oxygen species facilitated by intramolecular hydrogen bonding in the radical intermediates.

K. Ohkubo, S. Fukuzumi, Y. Moro-oka, 2006, Organic & biomolecular chemistry.

In vitro radical-scavenging mechanism of melatonin and its in vivo protective effect against radiation-induced lipid peroxidation

K. Ohkubo, I. Nakanishi, K. Manda, 2023, Redox Biochemistry and Chemistry.

Effects of reaction environments on radical-scavenging mechanisms of ascorbic acid.

K. Ohkubo, S. Fukuzumi, I. Nakanishi, 2021, Journal of clinical biochemistry and nutrition.

Involvement of Electron Transfer in the Radical-scavenging Reaction of Resveratrol

K. Ohkubo, S. Fukuzumi, N. Miyata, 2007 .

Fast self-exchange electron transfer and delocalization of unpaired electron between zinc porphyrin radical cations and zinc porphyrins

K. Ohkubo, S. Fukuzumi, H. Imahori, 2003 .

Electron transfer reduction of a highly electron-deficient fullerene, C60F18.

K. Ohkubo, S. Fukuzumi, O. Boltalina, 2002, Chemical communications.

Efficient Catalysis of Rare-Earth Metal Ions in Photoinduced Electron-Transfer Oxidation of Benzyl Alcohols by a Flavin Analogue

K. Ohkubo, S. Fukuzumi, O. Ito, 2001 .

Synthesis, photophysical, electrochemical, tumor-imaging, and phototherapeutic properties of purpurinimide-N-substituted cyanine dyes joined with variable lengths of linkers.

K. Ohkubo, S. Fukuzumi, Ping Chen, 2011, Bioconjugate chemistry.

Photocatalytic reduction of CO2 and H2O to CO and H2 with a cobalt chlorin complex adsorbed on multi-walled carbon nanotubes

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2016 .

Thienyl-substituted methanofullerene derivatives for organic photovoltaic cells

Jung Hei Choi, Shunichi Fukuzumi, K. Ohkubo, 2010 .

Small reorganization energies of photoinduced electron transfer between spherical fullerenes.

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2013, The journal of physical chemistry. A.

Effect of Metalation on Porphyrin-Based Bifunctional Agents in Tumor Imaging and Photodynamic Therapy.

K. Ohkubo, S. Fukuzumi, R. Pandey, 2016, Bioconjugate chemistry.

(Pentamethylcyclopentadienyl)ruthenium pi-complexes of metalloporphyrins: platforms with novel photo- and electrochemical properties.

Weihua Zhu, K. Ohkubo, S. Fukuzumi, 2008, Chemistry.

Photoinduced electron transfer in porous organic salt crystals impregnated with fullerenes.

K. Ohkubo, S. Fukuzumi, N. Tohnai, 2016, Chemical communications.

Photocatalytic Oxygenation of 10-Methyl-9,10-dihydroacridine by O2 with Manganese Porphyrins

K. Ohkubo, S. Fukuzumi, Jieun Jung, 2014, The journal of physical chemistry. A.

Long-lived charge-separated states of simple electron donor-acceptor dyads using porphyrins and phthalocyanines

K. Ohkubo, S. Fukuzumi, 2008 .

Utilization of photoinduced charge-separated state of donor-acceptor-linked molecules for regulation of cell membrane potential and ion transport.

Tatsuya Murakami, Shunichi Fukuzumi, K. Ohkubo, 2012, Journal of the American Chemical Society.

Bisdonor-azaBODIPY-fullerene supramolecules: syntheses, characterization, and light-Induced electron-transfer studies

M. Zandler, F. D’Souza, K. Ohkubo, 2014 .

Photochemical charge separation in closely positioned donor-boron dipyrrin-fullerene triads.

M. Zandler, F. D’Souza, K. Ohkubo, 2011, Chemistry.

Catalytic two-electron reduction of dioxygen by ferrocene derivatives with manganese(V) corroles.

K. Ohkubo, S. Fukuzumi, M. Abu‐Omar, 2015, Inorganic chemistry.

Highly selective synthesis of the ring-B reduced chlorins by ferric chloride-mediated oxidation of bacteriochlorins: effects of the fused imide vs isocyclic ring on photophysical and electrochemical properties.

K. Ohkubo, S. Fukuzumi, R. Pandey, 2008, Journal of the American Chemical Society.

Photocatalytic H2 evolution from NADH with carbon quantum dots/Pt and 2-phenyl-4-(1-naphthyl)quinolinium ion.

K. Ohkubo, S. Fukuzumi, Yusuke Yamada, 2015, Journal of photochemistry and photobiology. B, Biology.

Decoupling the artificial special pair to slow down the rate of singlet energy transfer

K. Ohkubo, S. Fukuzumi, D. Fortin, 2012 .

Solvent-free selective photocatalytic oxidation of benzyl alcohol to benzaldehyde by molecular oxygen using 9-phenyl-10-methylacridinium.

K. Ohkubo, S. Fukuzumi, Kyou Suga, 2006, Chemical communications.

Selective oxygenation of 4,4'-dimethylbiphenyl with molecular oxygen, catalyzed by 9-phenyl-10-methylacridinium ion via photoinduced electron transfer.

K. Ohkubo, S. Fukuzumi, Kyou Suga, 2005, The journal of physical chemistry. A.

Quantitative evaluation of Lewis acidity of metal ions with different ligands and counterions in relation to the promoting effects of Lewis acids on electron transfer reduction of oxygen.

Junzo Otera, Shunichi Fukuzumi, K. Ohkubo, 2003, The Journal of organic chemistry.

DNA Cleavage via Superoxide Anion Formed in Photoinduced Electron Transfer from NADH to γ-Cyclodextrin-Bicapped C60 in an Oxygen-Saturated Aqueous Solution

K. Ohkubo, S. Fukuzumi, O. Ito, 2002 .

Decorating single layer graphene oxide with electron donor and acceptor molecules for the study of photoinduced electron transfer.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2013, Chemical communications.

In vitro heavy-atom effect of palladium(II) and platinum(II) complexes of pyrrolidine-fused chlorin in photodynamic therapy.

K. Ohkubo, S. Fukuzumi, M. Tanihara, 2009, Journal of medicinal chemistry.

Synthesis and photophysical studies of a new nonaggregated C60-silicon phthalocyanine-C60 triad.

Shunichi Fukuzumi, K. Ohkubo, S. Fukuzumi, 2007, Organic letters.

Exfoliation and supramolecular functionalization of graphene with an electron donor perylenediimide derivative

K. Ohkubo, S. Fukuzumi, Á. Sastre‐Santos, 2017, Photochemical & Photobiological Sciences.

A tightly coupled bis(zinc(II) phthalocyanine)-perylenediimide ensemble to yield long-lived radical ion pair states.

K. Ohkubo, S. Fukuzumi, D. Guldi, 2007, Organic letters.

Reorganization energies of diprotonated and saddle-distorted porphyrins in photoinduced electron-transfer reduction controlled by conformational distortion.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2009, Journal of the American Chemical Society.

Photoinduced charge separation in ordered self-assemblies of perylenediimide-graphene oxide hybrid layers.

K. Ohkubo, S. Fukuzumi, Mustafa Supur, 2014, Chemical communications.

Redox behavior of novel nickel and palladium complexes supported by trianionic non-innocent ligand containing β-diketiminate and phenol groups

K. Ohkubo, S. Fukuzumi, Y. Morimoto, 2015 .

Formation of a Long-Lived Photoinduced Electron-Transfer State in an Electron Acceptor−Donor−Acceptor Porphyrin Triad Connected by Coordination Bonds

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2010 .

Formation of a hybrid compound composed of a saddle-distorted Tin(IV)-porphyrin and a Keggin-type heteropolyoxometalate to undergo intramolecular photoinduced electron transfer.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2011, Journal of Physical Chemistry A.

Scandium ion-accelerated scavenging reaction of cumylperoxyl radical by a cyclic nitroxyl radical via electron transfer

K. Ohkubo, S. Fukuzumi, H. Kanazawa, 2007 .

Proton-coupled electron transfer in ruthenium(II)-pterin complexes: formation of ruthenium-coordinated pterin radicals and their electronic structures.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2008, Inorganic chemistry.

Photophysical, electrochemical characteristics and cross-linking of STAT-3 protein by an efficient bifunctional agent for fluorescence image-guided photodynamic therapy

A. Oseroff, K. Ohkubo, S. Fukuzumi, 2007, Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology.

Spin-site exchange system constructed from endohedral metallofullerenes and organic donors.

K. Ohkubo, S. Fukuzumi, S. Nagase, 2006, Journal of the American Chemical Society.

Photophysical and electrochemical properties of new bacteriochlorins and characterization of radical cation and radical anion species

K. Ohkubo, S. Fukuzumi, R. Pandey, 2002 .

Antibody mimetic drug conjugate manufactured by high-yield Escherichia coli expression and non-covalent binding system.

S. Ishikawa, K. Ohkubo, H. Katoh, 2021, Protein expression and purification.

Mechanism of a one-photon two-electron process in photocatalytic hydrogen evolution from ascorbic acid with a cobalt chlorin complex.

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2015, Chemical communications.

Relationship between the radical-scavenging activity of selected flavonols and thermodynamic parameters calculated by density functional theory

K. Ohkubo, K. Shimoda, H. Hamada, 2020, Free radical research.

Charge Separation in Metallomacrocycle Complexes Linked with Electron Acceptors by Axial Coordination

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2009 .

Photoconductivity of Porphyrin Nanochannels Composed of Diprotonated Porphyrin Dications with Saddle Distortion and Electron Donors

K. Ohkubo, S. Fukuzumi, K. Nakayama, 2008 .

Photochemical generation of cyclopentadienyliron dicarbonyl anion by a nicotinamide adenine dinucleotide dimer analogue.

K. Ohkubo, S. Fukuzumi, O. Ito, 2001, Inorganic Chemistry.

Electron-transfer oxidation properties of DNA bases and DNA oligomers.

K. Ohkubo, S. Fukuzumi, H. Miyao, 2005, The journal of physical chemistry. A.

Metal quinolinolate-fullerene(s) donor-acceptor complexes: evidence for organic LED molecules acting as electron donors in photoinduced electron-transfer reactions.

M. Zandler, F. D’Souza, K. Ohkubo, 2008, Journal of the American Chemical Society.

Selective electrochemical reduction of CO2 to CO with a cobalt chlorin complex adsorbed on multi-walled carbon nanotubes in water.

K. Ohkubo, S. Fukuzumi, Kentaro Mase, 2015, Chemical communications.

Activation of electron-transfer reduction of oxygen by hydrogen bond formation of superoxide anion with ammonium ion.

K. Ohkubo, S. Fukuzumi, H. Kitaguchi, 2006, The journal of physical chemistry. A.

A Triphenylamine–Naphthalenediimide–Fullerene Triad: Synthesis, Photoinduced Charge Separation and Solution‐Processable Bulk Heterojunction Solar Cells

R. Bhosale, K. Ohkubo, L. Jones, 2018 .

A Pyropheophorbide Analogue Containing a Fused Methoxy Cyclohexenone Ring System Shows Promising Cancer‐Imaging Ability

K. Ohkubo, S. Fukuzumi, R. Pandey, 2019, ChemMedChem.

Lewis Acid Coupled Electron Transfer of Metal—Oxygen Intermediates

K. Ohkubo, S. Fukuzumi, Yong‐Min Lee, 2016 .

Effect of alkyl group on transnitrosation of N-nitrosothiazolidine thiocarboxamides.

K. Ohkubo, S. Fukuzumi, M. Mochizuki, 2015, Bioorganic & Medicinal Chemistry.

Efficient charge separation in Li(+) @C60 supramolecular complexes with electron donors.

K. Ohkubo, S. Fukuzumi, Y. Kawashima, 2015, Chemistry, an Asian journal.

Synthesis, photophysical, electrochemical, tumor-imaging, and phototherapeutic properties of purpurinimide-N-substituted cyanine dyes joined with variable lengths of linkers.

K. Ohkubo, S. Fukuzumi, Ping Chen, 2011, Bioconjugate chemistry.

Photoinduced Electron Transfer in 9-Substituted 10-Methylacridinium Ions.

K. Ohkubo, S. Fukuzumi, N. Tkachenko, 2017, Chemistry.

Photochemical behavior of single-walled carbon nanotubes in the presence of propylamine.

K. Ohkubo, S. Fukuzumi, Jing Zhou, 2014, Chemphyschem : a European journal of chemical physics and physical chemistry.

Multiple photosynthetic reaction centres using zinc porphyrinic oligopeptide-fulleropyrrolidine supramolecular complexes.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2011, Physical chemistry chemical physics : PCCP.

Long-lived charge separation and applications in artificial photosynthesis.

K. Ohkubo, S. Fukuzumi, T. Suenobu, 2014, Accounts of chemical research.

Lewis acid-induced change from four- to two-electron reduction of dioxygen catalyzed by copper complexes using scandium triflate.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2015, Journal of the American Chemical Society.

Enhanced catalytic four-electron dioxygen (O2) and two-electron hydrogen peroxide (H2O2) reduction with a copper(II) complex possessing a pendant ligand pivalamido group.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2013, Journal of the American Chemical Society.

Catalytic four-electron reduction of O2 via rate-determining proton-coupled electron transfer to a dinuclear cobalt-μ-1,2-peroxo complex.

K. Ohkubo, S. Fukuzumi, Hyejin Park, 2012, Journal of the American Chemical Society.

Factors that control catalytic two- versus four-electron reduction of dioxygen by copper complexes.

K. Karlin, K. Ohkubo, S. Fukuzumi, 2012, Journal of the American Chemical Society.

Light-driven, proton-controlled, catalytic aerobic C-H oxidation mediated by a Mn(III) porphyrinoid complex.

K. Ohkubo, S. Fukuzumi, Jieun Jung, 2015, Journal of the American Chemical Society.

Comparison of in vivo and in vitro antioxidative parameters for eleven food factors

H. Matsui, K. Ohkubo, S. Fukuzumi, 2013 .

Formation of Ground State Triplet Diradicals from Annulated Rosarin Derivatives by Triprotonation.

K. Ohkubo, S. Fukuzumi, Dongho Kim, 2015, Journal of the American Chemical Society.

Supramolecular electron transfer by anion binding.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2012, Chemical communications.

Multi-level non-volatile organic transistor-based memory using lithium-ion-encapsulated fullerene as a charge trapping layer

Cuong Manh Tran, K. Ohkubo, S. Fukuzumi, 2016 .

Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li(+)@C60.

K. Ohkubo, S. Fukuzumi, C. M. Davis, 2015, Chemical communications.

Long-lived photoinduced charge separation for solar cell applications in supramolecular complexes of multi-metalloporphyrins and fullerenes.

K. Ohkubo, S. Fukuzumi, 2013, Dalton transactions.

Solvent-Free Photooxidation of Alkanes by Dioxygen with 2,3-Dichloro-5,6-dicyano-p-benzoquinone via Photoinduced Electron Transfer.

K. Ohkubo, S. Fukuzumi, K. Hirose, 2016, Chemistry, an Asian journal.

Dual function photocatalysis of cyano-bridged heteronuclear metal complexes for water oxidation and two-electron reduction of dioxygen to produce hydrogen peroxide as a solar fuel.

K. Ohkubo, S. Fukuzumi, Yusuke Yamada, 2017, Chemical communications.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2010, Inorganic Chemistry.

Structure and photoinduced electron transfer dynamics of a series of hydrogen-bonded supramolecular complexes composed of electron donors and a saddle-distorted diprotonated porphyrin.

K. Ohkubo, S. Fukuzumi, Takahiko Kojima, 2010, Journal of the American Chemical Society.

Metalloporphycenes: synthesis and characterization of (pentamethylcyclopentadienyl)ruthenium sitting-atop and pi-complexes.

K. Ohkubo, S. Fukuzumi, V. Lynch, 2009, Journal of the American Chemical Society.

Thermodynamics and Photodynamics of a Monoprotonated Porphyrin Directly Stabilized by Hydrogen Bonding with Polar Protic Solvents.

K. Ohkubo, S. Fukuzumi, K. Yoshizawa, 2017, Chemistry.

Ultrafast photoinduced electron transfer in face-to-face charge-transfer π-complexes of planar porphyrins and hexaazatriphenylene derivatives

K. Ohkubo, S. Fukuzumi, T. Takenobu, 2014, Chemical science.

Anion-complexation-induced stabilization of charge separation.

F. D’Souza, K. Ohkubo, S. Fukuzumi, 2009, Journal of the American Chemical Society.

Photoinduced electron transfer in photorobust coumarins linked with electron donors affording long lifetimes of triplet charge-separated states.

K. Ohkubo, S. Fukuzumi, N. Suzuki, 2010, Chemphyschem : a European journal of chemical physics and physical chemistry.

One‐Step Selective Hydroxylation of Benzene to Phenol

K. Ohkubo, S. Fukuzumi, 2015 .

Mechanisms and applications of cyclometalated Pt(ii) complexes in photoredox catalytic trifluoromethylation

K. Ohkubo, S. Fukuzumi, Sungkyu Choi, 2014, Chemical science.