Dr Ikuo Nakanishi
National Institutes for Quantum and Radiological Science and Technology
Research Fellow, Chemistry
Japan
My co-authors include
Shinobu Itoh
Find me at
My Publications
Relationship between the radical-scavenging activity of selected flavonols and thermody...
Free Radical Research
July 2020
A large kinetic isotope effect in the reaction of ascorbic acid with 2-phenyl-4,4,5,5-t...
Chemical Communications
January 2020
Synthesis and radical-scavenging activity of C-methylated fisetin analogues
Bioorganic & Medicinal Chemistry
February 2019
Effect of plateau carbon-ion beams
Organic & Biomolecular Chemistry
January 2018
Efficient protective activity of a planar catechin analogue against radiation-induced a...
RSC Advances
January 2018
Enhanced radical scavenging activity of a procyanidin B3 analogue comprised of a dimer ...
Bioorganic & Medicinal Chemistry Letters
October 2017
Synthesis and antioxidant activity of a procyanidin B3 analogue
Bioorganic & Medicinal Chemistry Letters
February 2017
Synthesis of methylated quercetin analogues for enhancement of radical-scavenging activity
RSC Advances
January 2017
A facile and rapid access to resveratrol derivatives and their radioprotective activity
Bioorganic & Medicinal Chemistry Letters
August 2016
Aluminium ion-promoted radical-scavenging reaction of methylated hydroquinone derivatives
Organic & Biomolecular Chemistry
January 2016
Solubilisation of a 2,2-diphenyl-1-picrylhydrazyl radical in water by β-cyclodextrin to...
Chemical Communications
January 2015
Synthesis and radical-scavenging activity of a dimethyl catechin analogue
Bioorganic & Medicinal Chemistry Letters
June 2014
Disproportionation of a 2,2-diphenyl-1-picrylhydrazyl radical as a model of reactive ox...
Chemical Communications
January 2014
Scavenging of reactive oxygen species induced by hyperthermia in biological fluid
Journal of Clinical Biochemistry and Nutrition
January 2014
High-Throughput Screening of Radioprotectors Using Rat Thymocytes
Analytical Chemistry
August 2013
Effects of ionic radius of redox-inactive bio-related metal ions on the radical-scaveng...
Chemical Communications
January 2013
Method for assessing X-ray-induced hydroxyl radical-scavenging activity of biological c...
Journal of Clinical Biochemistry and Nutrition
January 2013
Comparison of in vivo and in vitro antioxidative parameters for eleven food factors
RSC Advances
January 2013
Radical-Scavenging Reactions of Ascorbic Acid and Its Analogue in the Presence of a Red...
Free Radical Biology and Medicine
November 2012
Comparison of Blood-Brain-Barrier Permeable Nitroxyl Contrast Agents for Magnetic Reson...
Free Radical Biology and Medicine
November 2012
Kinetics and Mechanism for the Scavenging Reaction of the 2,2-Diphenyl-1-picrylhydrazyl...
Bulletin of the Chemical Society of Japan
August 2012
Chlorine atom substitution influences radical scavenging activity of 6-chromanol
Bioorganic & Medicinal Chemistry
July 2012
Roles of mitochondria-generated reactive oxygen species on X-ray-induced apoptosis in a...
Free Radical Research
June 2012
ChemInform Abstract: Synthesis and Enhanced Radical Scavenging Activity of a Conformati...
ChemInform
April 2012
The high stability of intermediate radicals enhances the radical-scavenging activity of...
RSC Advances
January 2012
Efficient Method for Hydroxyl Radical Scavenging Activity of Antioxidants
Free Radical Biology and Medicine
November 2011
Radica-Scavenging Activity of 6-Chromanol Derivatives with Various Substituents
Free Radical Biology and Medicine
November 2011
Synthesis and Enhanced Radical Scavenging Activity of a Conformationally Constrained Ep...
Chemistry Letters
January 2011
Temperature-dependent free radical reaction in water
Journal of Clinical Biochemistry and Nutrition
January 2011
Synthesis of Conformationally Constrained Epigallocatechin Analogue as a Promising Anti...
Free Radical Biology and Medicine
January 2010
Electron Transfer from Stable Superoxide Complex to Electron Acceptors as Benzoquinone ...
Free Radical Biology and Medicine
January 2010
Reaction of Nitroxyl Radicals and GSH; pH Dependence
Free Radical Biology and Medicine
January 2010
Potent 2,2-Diphenyl-1-picrylhydrazyl Radical-Scavenging Activity of Novel Antioxidants,...
Chemical and Pharmaceutical Bulletin
January 2010
Electron-Transfer Properties of the Phenolate Anion Derived from a Vitamin E Model in t...
Free Radical Biology and Medicine
January 2010
Novel ninhydrin adduct of catechin with potent antioxidative activity
Tetrahedron Letters
December 2009
Intracellular and Extracellular Redox Environments Surrounding Redox-Sensitive Contrast...
Biological and Pharmaceutical Bulletin
January 2009
Intramolecular base-accelerated radical-scavenging reaction of a planar catechin deriva...
Chemical Communications
January 2009
Effect of Methyl Substitution on the Antioxidative Property and Genotoxicity of Resvera...
Chemical Research in Toxicology
February 2008
Enhanced radical-scavenging activity of naturally-oriented artepillin C derivatives
Chemical Communications
January 2008
Involvement of Electron Transfer in the Radical-scavenging Reaction of Resveratrol
Chemistry Letters
October 2007
Effect of Solvent Polarity on the One-electron Oxidation of Cyclic Nitroxyl Radicals
Chemistry Letters
July 2007
A Long-lived o-Semiquinone Radical Anion is Formed from N- -alanyl-5-S-glutathionyl-3,4...
The Journal of Biochemistry
April 2007
Scandium Ion-accelerated Scavenging Reaction of Cumylperoxyl Radical by a Cyclic Nitrox...
Chemistry Letters
March 2007
Nitroxyl radicals: electrochemical redox behaviour and structure–activity relationships
Organic & Biomolecular Chemistry
January 2007
Planar Catechin Analogues with Alkyl Side Chains: A Potent Antioxidant and an α-Glucos...
Journal of the American Chemical Society
May 2006
Comparison of stable nitroxide, 3-substituted 2,2,5,5-tetramethylpyrrolidine-N-oxyls, w...
Free Radical Biology and Medicine
April 2006
Structural basis for DNA-cleaving activity of resveratrol in the presence of Cu(II)
Bioorganic & Medicinal Chemistry
March 2006
Reaction ofpara-hydroxybenzoic acid esters with singlet oxygen in the presence of gluta...
Free Radical Research
January 2006
Electron-transfer mechanism in radical-scavenging reactions by a vitamin E model in a p...
Organic & Biomolecular Chemistry
January 2005
Hydroxyl radical generation via photoreduction of a simple pyridine N-oxide by an NADH ...
Organic & Biomolecular Chemistry
January 2005
EPR Study on Stable Magnesium Complexes of the Phenoxyl Radicals Derived from a Vitamin...
Bulletin of the Chemical Society of Japan
January 2004
A Planar Catechin Analogue Having a More Negative Oxidation Potential than (+)-Catechin...
Chemical Research in Toxicology
January 2004
Efficient radical scavenging ability of artepillin C, a major component of Brazilian pr...
Organic & Biomolecular Chemistry
April 2003
Kinetic study of the electron-transfer oxidation of the phenolate anion of a vitamin E ...
Organic & Biomolecular Chemistry
January 2003
A Planar Catechin Analogue as a Promising Antioxidant with Reduced Prooxidant Activity
Chemical Research in Toxicology
January 2003
Effects of Metal Ions Distinguishing between One-Step Hydrogen- and Electron-Transfer M...
The Journal of Physical Chemistry A
November 2002
Direct detection of superoxide anion generated in C60-photosensitized oxidation of NADH...
Journal of the Chemical Society Perkin Transactions 2
September 2002
Effects of magnesium ion on kinetic stability and spin distribution of phenoxyl radical...
Journal of the Chemical Society Perkin Transactions 2
July 2002
Enhanced Radical-Scavenging Activity of a Planar Catechin Analogue
Journal of the American Chemical Society
May 2002
DNA Cleavage via Superoxide Anion Formed in Photoinduced Electron Transfer from NADH t...
The Journal of Physical Chemistry
March 2002
ChemInform Abstract: Hydroxylation of Nitrated Naphthalenes with KO2/Crown Ether.
ChemInform
March 2001
ChemInform Abstract: Reactive Species Responsible for Biological Actions of Photoexcite...
ChemInform
February 2001
Base Control of Electron-Transfer Reactions of Manganese(III) Porphyrins
European Journal of Inorganic Chemistry
July 2000
Hydroxylation of Nitrated Naphthalenes with KO2/Crown Ether.
Chemical and Pharmaceutical Bulletin
January 2000
Multielectron Oxidation of Anthracenes with a One-Electron Oxidant via Water-Accelerate...
The Journal of Physical Chemistry A
December 1999
Migration Reactivities of σ-Bonded Ligands of Organoiron and Organocobalt Porphyrins De...
Inorganic Chemistry
November 1999
Electron-Transfer Properties of Active Aldehydes of Thiamin Coenzyme Models, and Mechan...
Chemistry - A European Journal
October 1999
Synthesis and Electrochemical Studies of a Series of Fluorinated Dodecaphenylporphyrins
Inorganic Chemistry
May 1999
Electron-Transfer Properties of C 60 and tert -Butyl-C 60 Radical
Journal of the American Chemical Society
April 1999
Decreased Electron Transfer Rates of Manganese Porphyrins with Conformational Distortio...
Angewandte Chemie International Edition
April 1999
Electron-Transfer Kinetics for Generation of Organoiron(IV) Porphyrins and the Iron(IV)...
Journal of the American Chemical Society
February 1999
Formation of Radical Anions in the Reaction of p -Benzoquinone and C 60 with Alkoxide ...
Journal of the American Chemical Society
July 1998
Direct Observation of Radical Intermediates While Investigating the Redox Behavior of T...
Angewandte Chemie International Edition
April 1998
Direkte Beobachtung radikalischer Zwischenstufen bei Untersuchungen zum Redoxverhalten ...
Angewandte Chemie
April 1998
Redox Behavior of Active Aldehydes Derived from Thiamin Coenzyme Analogs.
Chemistry Letters
January 1997
Electron transfer properties of active aldehydes derived from thiamin coenzyme analogues
Chemical Communications
January 1997
