Ken Kokubo

发表

Super-highly hydroxylated fullerene derivative protects human keratinocytes from UV-induced cell injuries together with the decreases in intracellular ROS generation and DNA damages.

N. Miwa, H. Aoshima, Y. Saitoh, 2011, Journal of photochemistry and photobiology. B, Biology.

Antimicrobial activity of fullerenes and their hydroxylated derivatives.

H. Aoshima, Ken Kokubo, T. Oshima, 2009, Biocontrol science.

Facile synthesis of highly water-soluble fullerenes more than half-covered by hydroxyl groups.

H. Takada, Ken Kokubo, K. Matsubayashi, 2008, ACS nano.

Antioxidant Activity of Supramolecular Water-Soluble Fullerenes Evaluated by β-Carotene Bleaching Assay

H. Takada, Ken Kokubo, K. Matsubayashi, 2006, Bioscience, biotechnology, and biochemistry.

Exploring Photovoltaic Feasibility of Pentaaryl [60]Fullerene in Bulk Heterojunction Architecture

Tsubasa Mikie, A. Saeki, S. Seki, 2014 .

Hydroxylated fullerene: a potential antiinflammatory and antioxidant agent for preventing mouse preterm birth.

Y. Yoshioka, Y. Tsutsumi, K. Mimura, 2015, American journal of obstetrics and gynecology.

Structure of [60]fullerene with a mobile lithium cation inside

S. Aoyagi, H. Ueno, Y. Matsuo, 2018, Royal Society Open Science.

First synthesis and aggregation behaviour of periconjugated triazoliumfullerene.

N. Ikuma, Ken Kokubo, T. Oshima, 2014, Chemical communications.

Synthesis of Pyrrolidinofullerenes via Single Electron Transfer Reaction of Aryldienamines with C60

N. Ikuma, Hiroyuki Yamamoto, Ken Kokubo, 2015 .

Unexpected [3 + 2] Cycloaddition of Diphenyldienamine with C60 via Single Electron Transfer and Hydrogen Shift of the Radical Cation Intermediate

N. Ikuma, Hiroyuki Yamamoto, Ken Kokubo, 2014 .

Thermal [2+2] cycloaddition of morpholinoenamines with C60 via a single electron transfer.

Tsubasa Mikie, H. Asahara, N. Ikuma, 2011, Organic letters.

Dielectric and Sorption Responses of Hydrogen-Bonding Network of Amorphous C60(OH)12 and C60(OH)36

S. Noro, Takayoshi Nakamura, T. Akutagawa, 2019, The Journal of Physical Chemistry C.

Facile and exclusive formation of aziridinofullerenes by acid-catalyzed denitrogenation of triazolinofullerenes.

Tsubasa Mikie, Kojiro Nakagawa, Y. Doi, 2012, Organic letters.

Polyhydroxylated fullerene C60(OH)44 suppresses intracellular lipid accumulation together with repression of intracellular superoxide anion radicals and subsequent PPARγ2 expression during spontaneous differentiation of OP9 preadipocytes into adipocytes

Li Xiao, N. Miwa, Y. Saitoh, 2012, Molecular and Cellular Biochemistry.

Novel polyhydroxylated fullerene suppresses intracellular oxidative stress together with repression of intracellular lipid accumulation during the differentiation of OP9 preadipocytes into adipocytes

Li Xiao, N. Miwa, H. Aoshima, 2010, Free radical research.

Thermal and thermo‐oxidative stability of thermoplastic polymer nanocomposites with arylated [60]fullerene derivatives

A. Harada, Ken Kokubo, T. Oshima, 2016 .

Hydration or hydroxylation: direct synthesis of fullerenol from pristine fullerene [C60] via acoustic cavitation in the presence of hydrogen peroxide

Kasturi Muthoosamy, S. Manickam, Sadia Afreen, 2017 .

Application of fullerenes-extracted soot modified with ethylenediamine as a novel adsorbent of hexavalent chromium in water

H. Moriwaki, Ken Kokubo, T. Nakagawa, 2014 .

Polymer nanocomposites reinforced with C60 fullerene: effect of hydroxylation

H. Hahn, T. Saotome, Ken Kokubo, 2011 .

Regioselective Grignard Addition to the Bridgehead Double Bond of Alkylazafulleroids through N–Mg Coordination

Kojiro Nakagawa, N. Ikuma, Ken Kokubo, 2017 .

One‐step Synthesis of Water‐soluble Fullerenols Bearing Nitrogen‐containing Substituents

Ken Kokubo, K. Matsubayashi, T. Oshima, 2009 .

Effect of functional group polarity on the encapsulation of C60 derivatives in the inner space of carbon nanohorns

M. Yudasaka, Keita Kobayashi, H. Yasuda, 2014 .

Commercial Wet-Spun Singlewall and Dry-Spun Multiwall Carbon Nanotube Fiber Surface O-Functionalization by Ozone Treatment.

K. Hata, Takeo Yamada, A. Sekiguchi, 2021, Journal of nanoscience and nanotechnology.

Water-Soluble Single-Nano Carbon Particles: Fullerenol and Its Derivatives

Ken Kokubo, 2012 .

Rhodium-Catalyzed Reaction of Aroyl Chlorides with Alkynes.

M. Miura, M. Nomura, Ken Kokubo, 1996, The Journal of organic chemistry.

EFFECT OF COPPER AND IRON COCATALYSTS ON THE PALLADIUM-CATALYZED CARBONYLATION REACTION OF IODOBENZENE

T. Satoh, M. Miura, M. Nomura, 1994 .

Reaction of 2-Hydroxybenzaldehydes with Alkynes, Alkenes, or Allenes via Cleavage of the Aldehyde C-H Bond Using a Rhodium Catalyst System.

M. Miura, M. Nomura, Y. Nishinaka, 1999 .

Rhodium-Catalyzed Coupling Reaction of Salicyl Aldehydes with Alkynes via Cleavage of the Aldehyde C−H Bond

M. Miura, M. Nomura, Ken Kokubo, 1997 .

A new approach to benzofuran synthesis: Lewis acid mediated cycloaddition of benzoquinones with stilbene oxides

K. Harada, Ken Kokubo, T. Oshima, 2010 .

Regioselective addition of Grignard reagents to tosylazafulleroid and derivatization to 1,2-disubstituted [60]fullerene.

Kojiro Nakagawa, N. Ikuma, Ken Kokubo, 2016, Organic & biomolecular chemistry.

Gold Nanoparticles Stabilized by Molecular Fullerenols

H. Sakurai, Y. Uetake, Ken Kokubo, 2020 .

Rhodium-Catalyzed Reaction of Benzoic Anhydride with Styrene under Molecular Hydrogen

M. Miura, M. Nomura, Ken Kokubo, 1995 .

Conformation and thermal inversion of 10,11-dihydro-5H-dibenzo[a,d]cycloheptene ring spiro-linked to homoquinones

Tatsuya Kawamoto, Ken Kokubo, T. Oshima, 1999 .

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.

Kinetic study of the Diels-Alder reaction of Li⁺@C₆₀ with cyclohexadiene: greatly increased reaction rate by encapsulated Li⁺.

S. Aoyagi, H. Ueno, Y. Matsuo, 2014, Journal of the American Chemical Society.

New 3D-stereoconfigurated cis-tris(fluorenylphenylamino)-benzene with large steric hindrance to minimize π–π stacking in thin-film devices

Yi‐Ting Lee, L. Tan, Chin‐Ti Chen, 2018 .

Kinetic evidence for remote pi-aryl participation in the BF3-catalyzed rearrangement of [2 + 2] photocycloadducts of diarylhomobenzoquinones with diphenylacetylene.

K. Harada, Ken Kokubo, T. Oshima, 2004, Organic letters.

Systematic evaluation and mechanistic investigation of antioxidant activity of fullerenols using β -carotene bleaching assay

H. Ueno, Ken Kokubo, T. Oshima, 2014 .

Dramatic mechanistic change in acid-catalyzed arylation of azafulleroids depending on their ambident N/C basicity: formation of cyclopentene centered pentakisadduct.

Tsubasa Mikie, Y. Doi, N. Ikuma, 2014, Chemistry, an Asian journal.

Li Xiao, N. Miwa, Y. Saitoh, 2012, Molecular and Cellular Biochemistry.

Kinetic substituent and solvent effects in 1,3-dipolar cycloaddition of diphenyldiazomethanes with fullerenes C60 and C70: a comparison with the addition to TCNE, DDQ, and chloranil.

H. Kitamura, Ken Kokubo, T. Oshima, 2006, The Journal of organic chemistry.

Magic number effect on cluster formation of polyhydroxylated fullerenes in water–alcohol binary solution

H. Ueno, Yuji Nakamura, N. Ikuma, 2013, Journal of Nanoparticle Research.

Performance of water-soluble fullerenol as novel functional molecular abrasive grain for polishing nanosurfaces

Yasuhiro Takaya, Terutake Hayashi, Keisuke Suzuki, 2009 .

Chemical mechanical polishing of patterned copper wafer surface using water-soluble fullerenol slurry

Yasuhiro Takaya, Terutake Hayashi, Masaki Michihata, 2011 .

Photochemistry of Homoquinones

Ken Kokubo, T. Oshima, 2004 .

The Impact of the Polymer Chain Length on the Catalytic Activity of Poly(N-vinyl-2-pyrrolidone)-supported Gold Nanoclusters

T. Sakata, H. Yasuda, H. Sakurai, 2017, Scientific Reports.

Hetero Bis-Addition of Spiro-Acetalized or Cyclohexanone Ring to 58π Fullerene Impacts Solubility and Mobility Balance in Polymer Solar Cells.

Tsubasa Mikie, A. Saeki, S. Seki, 2015, ACS applied materials & interfaces.

Stereochemistry of spiro-acetalized [60]fullerenes: how the exo and endo stereoisomers influence organic solar cell performance.

Tsubasa Mikie, A. Saeki, S. Seki, 2015, ACS applied materials & interfaces.

Spiro-1,3-dioxolanofullerenes with Low-lying LUMO Level for Organic Solar Cells

Tsubasa Mikie, A. Saeki, S. Seki, 2015 .

New efficient (thio)acetalized fullerene monoadducts for organic solar cells: characterization based on solubility, mobility balance, and dark current

Tsubasa Mikie, A. Saeki, S. Seki, 2015 .

Influence of Carbon Nanotube Attributes on Carbon Nanotube/Cu Composite Electrical Performances

K. Hata, Takeo Yamada, D. Futaba, 2021, C.

Facile and scalable synthesis of a highly hydroxylated water-soluble fullerenol as a single nanoparticle

H. Aoshima, Ken Kokubo, T. Oshima, 2011 .

Synthesis of a lithium-encapsulated fullerenol and the effect of the internal lithium cation on its aggregation behavior

H. Ueno, Yuji Nakamura, N. Ikuma, 2012, Nano Research.

Radical-scavenging Ability of Hydrophilic Carbon Nanoparticles: From Fullerene to Its Soot

H. Ueno, Yuji Nakamura, Ken Kokubo, 2014 .

Synthesis of a new class of fullerene derivative Li⁺@C₆₀O⁻(OH)₇ as a "cation-encapsulated anion nanoparticle".

E. Kwon, H. Ueno, Yuji Nakamura, 2013, Nanoscale.

Synthesis, Properties, and Applications of Hydrophilic Hollow Carbon Nanoparticles from C 60 and its Soot

H. Ueno, Yuji Nakamura, Ken Kokubo, 2013 .

Effects of Pin-up Oxygen on [60]Fullerene for Enhanced Antioxidant Activity

T. Goto, Ken Kokubo, K. Matsubayashi, 2008, Nanoscale Research Letters.

Potential Suppressive Effects of Two C60 Fullerene Derivatives on Acquired Immunity

Y. Yoshioka, Y. Tsutsumi, Jianqing Gao, 2016, Nanoscale Research Letters.

Invited) Colloidal Gold Nanoparticles Stabilized By Hydroxylated Fullerenes

H. Sakurai, Ken Kokubo, Nozomi Sato, 2017 .

Synthesis and Photoluminescent Properties of Geometrically Hindered cis-Tris(diphenylaminofluorene) as Precursors to Light-Emitting Devices

T. Canteenwala, Chang-Lyoul Lee, Ken Kokubo, 2015, Molecules.

Regioselective addition of Grignard reagents to tosylazafulleroid and derivatization to 1,2-disubstituted [60]fullerene.

Ken Kokubo, T. Oshima, Naohiko Ikuma, 2016, Organic & biomolecular chemistry.

Thermal [2+2] cycloaddition of morpholinoenamines with C60 via a single electron transfer.

Tsubasa Mikie, H. Asahara, Ken Kokubo, 2011, Organic letters.

Novel polyhydroxylated fullerene suppresses intracellular oxidative stress together with repression of intracellular lipid accumulation during the differentiation of OP9 preadipocytes into adipocytes

Li Xiao, N. Miwa, H. Aoshima, 2010, Free radical research.

Synthesis and regiochemistry of [60]fullerenyl 2-methylmalonate bisadducts and their facile electron-accepting properties.

Hsing-lin Wang, Yuan Gao, Chun-Chih Wang, 2010, The Journal of organic chemistry.

Site selectivity switch in Lewis acid catalysis. Mechanism and kinetic simulation of skeletal rearrangement of cyclobutene-fused homoquinones.

K. Harada, Ken Kokubo, T. Oshima, 2005, The Journal of organic chemistry.

Substituent effects on the stereochemistry in the [2 + 2] photocycloaddition reaction of homobenzoquinone derivative with variously substituted alkenes and alkynes.

H. Yamaguchi, Tatsuya Kawamoto, Ken Kokubo, 2002, Journal of the American Chemical Society.

Synthesis of a new class of fullerene derivative Li⁺@C₆₀O⁻(OH)₇ as a "cation-encapsulated anion nanoparticle".

H. Ueno, Yuji Nakamura, Ken Kokubo, 2013, Nanoscale.

Synthesis of a New Class of Molecule Li+@C60O–(OH)7 as a “Cation-Encapsulated Anion Nanoparticle” by Multihydroxylation of Li-Encapsulated Fullerene

H. Ueno, Yuji Nakamura, Ken Kokubo, 2013 .

Oxidative deamination of azafulleroids into C60 by peracids.

Ken Kokubo, T. Oshima, Koichi Fujioka, 2015, Organic & biomolecular chemistry.

Kinetic study of the Diels-Alder reaction of Li⁺@C₆₀ with cyclohexadiene: greatly increased reaction rate by encapsulated Li⁺.

S. Aoyagi, H. Ueno, Y. Matsuo, 2014, Journal of the American Chemical Society.

Supramolecular triplet photosensitizer. Effects of the cation binding mode on E-Z isomerization of 1,2-dichloroethylene.

Ken Kokubo, T. Oshima, K. Kitasaka, 2006, Organic letters.