2021年3月以前の成果はこちらをご覧ください。

原著論文/Original Papers
  1. In Vitro Radical-Scavenging Mechanism of Melatonin and Its In Vivo Protective Effect against Radiation-Induced Lipid Peroxidation
    Kailash Manda,* Kei Ohkubo,* Yoshimi Shoji, A. K. M. Raushan Kabir Zoardar, Masato Kamibayashi, Toshihiko Ozawa, Kazunori Anzai, and Ikuo Nakanishi*
    Redox Biochem. Chem., in preparation.
    DOI:
    PMID:
    Released on
  2. Effects of Selenium Deficiency on Biological Results of X-ray and Carbon-Ion Beam Irradiation in Mice
    Megumi Ueno, Sayaka Shibata, Ikuo Nakanishi, Ichio Aoki, Ken-ichi Yamada, and Ken-ichiro Matsumoto*
    J. Clin. Biochem. Nutr., in press. Open access
    DOI:
    PMID:
    Released on
  3. Importance of Locations of Iron Ions to Elicit Cytotoxicity Induced by a Fenton-Type Reaction
    Kintaro Igarashi, Yoshimi Shoji, Emiko Sekine-Suzuki, Megumi Ueno, Ken-ichiro Matsumoto,* Ikuo Nakanishi, and Koji Fukui
    Cancers, 14 (15), 3642 (2022). Open access
    DOI: 10.3390/cancers14153642
    PMID: 35892902
    Released on July 27, 2022
  4. Effect of Magnesium Ion on the Radical-Scavenging Rate of Pterostilbene in an Aprotic Medium: Mechanistic Insight into the Antioxidative Reaction of Pterostilbene
    Ikuo Nakanishi,* Yoshimi Shoji, Kei Ohkubo,* Megumi Ueno, Kei Shimoda, Ken-ichiro Matsumoto, Kiyoshi Fukuhara,* and Hiroki Hamada*
    Antioxidants, 11 (2), 340 (2022). Open access
    DOI: 10.3390/antiox11020340
    PMID: 35204222
    Released on February 9, 2022
  5. Estimation of the Local Concentration of the Markedly Dense Hydroxyl Radical Generation Induced by X-rays in Water
    Ken-ichiro Matsumoto,* Megumi Ueno, Yoshimi Shoji, and Ikuo Nakanishi
    Molecules, 27 (3), 592 (2022). Open access
    DOI: 10.3390/molecules27030592
    PMID: 35163857
    Released on January 18, 2022
  6. Simplifying Quantitative Measurement of Free Radical Species Using an X-Band EPR Spectrometer
    Yusuke Makino, Megumi Ueno, Yoshimi Shoji, Minako Nyui, Ikuo Nakanishi, Koji Fukui, and Ken-ichiro Matsumoto*
    J. Clin. Biochem. Nutr., 70 (3), 213-221 (2022). Open access
    DOI: 10.3164/jcbn.21-83
    PMID: 35692674
    Released on December 25, 2021
  7. Electrochemical Redox Behavior of 2,2-Diphenyl-1-picrylhydrazyl Radical Solubilized by beta-Cyclodextrin in Water
    Ikuo Nakanishi* and Yoshimi Shoji
    Electrochem. Commun., 134, 107190 (2022). Open access
    DOI: 10.1016/j.elecom.2021.107190
    Released on December 24, 2021
  8. Tunneling in the Hydrogen-Transfer Reaction from a Vitamin E Analog to an Inclusion Complex of 2,2-Diphenyl-1-picrylhydrazyl Radical with beta-Cyclodextrin in an Aqueous Buffer Solutions at Ambient Temperature
    Ikuo Nakanishi,* Yoshimi Shoji, Kei Ohkubo,* and Shunichi Fukuzumi*
    Antioxidants, 10 (12), 1966 (2021). Open access
    DOI: 10.3390/antiox10121966
    PMID: 34943069
    Released on December 8, 2021
  9. Effects of Loading a Magnetic Field Longitudinal to the LInear Particle-Beam Track on Yields of Reactive Oxygen Species in Water
    Ken-ichiro Matsumoto,* Ikuo Nakanishi, Yasushi Abe, Shinji Sato, Ryosuke Kohno, Dousatsu Sakata, Kota Mizushima, Sung Hyun Lee, and Taku Inaniwa
    Free Radical Res., 55 (5), 547-555 (2021). Open access
    DOI: 10.1080/10715762.2021.1970151
    PMID: 34569399
    Released on September 27, 2021
  10. Effects of LET on Oxygen-Dependent and -Independent Generation of Hydrogen Peroxide in Water Irradiated by Carbon-Ion Beams
    Ken-ichiro Matsumoto,* Megumi Ueno, Minako Nyui, Yoshimi Shoji, and Ikuo Nakanishi
    Free Radical Res., 55 (6), 589-594 (2021). Open access
    DOI: 10.1080/10715762.2021.1915489
    PMID: 34519601
    Released on September 14, 2021
  11. Nitroxyl Radical as a Theranostic Contrast Agent in Magnetic Resonance Imaging
    Ken-ichiro Matsumoto,* Ikuo Nakanishi, Zhivko Zhelev, Rumiana Bakalova, and Ichio Aoki
    Antioxid. Redox Signaling, 36 (1-3), 95-121 (2022). Open access
    DOI: 10.1089/ars.2021.0110
    PMID: 34148403
    Released on June 19, 2021
  12. Protective Effects of Amino Acids on Plasmid DNA Damage Induced by Therapeutic Carbon Ions
    Katsunori Yogo,* Chieko Murayama, Ryoichi Hirayama, Ken-ichiro Matsumoto, Ikuo Nakanishi, Hiromichi Ishiyama, and Hiroshi Yasuda
    Radiat. Res., 196 (2), 197-203 (2021).
    DOI: 10.1667/RADE-21-00033.1
    PMID: 34043797
    Released on May 27, 2021

総説/Reviews
  1. On 'Spin Trapping of Superoxide and Hydroxyl Radical: Practical Aspect' by Eli Finkelstein, Gerald M. Rosen and Elmer J. Rauckman
    Toshihiko Ozawa* and Ikuo Nakanishi
    Arch. Biochem. Biophys., 726, 109191 (2022).
    DOI: 10.1016/j.abb.2022.109191
    PMID: 35318035
    Released on March 19, 2022

プロシーディングなど/Proceedings, etc.
  1. pH Effect on the Kinetic Isotope Effect in the Hydrogen Transfer from Trolox to Water-Solubilized 2,2-Diphenyl-1-picrylhydrazyl Radical in Phosphate Buffer Solutions
    Ikuo Nakanishi, Yoshimi Shoji, and Kei Ohkubo
    Free Radical Biol. Med., 192 (Supplement 1), 131 (2022).
    DOI: 10.1016/j.freeradbiomed.2022.10.243
    Released on November 1, 2022
  2. Evaluation of Redox Responses of Mouse Colorectum Tissue after X-ray Irradiation
    Megumi Ueno, Raj Kumar Parajuli, Hiromu Ito, Megumi Iiyama, Saaya Suzuki, Ken-ichiro Matsumoto, Ikuo Nakanishi, Ichio Aoki, and Akira Sumiyoshi
    Free Radical Biol. Med., 192 (Supplement 1), 128-129 (2022).
    DOI: 10.1016/j.freeradbiomed.2022.10.238
    Released on November 1, 2022
  3. Adjunctive Effects with Continual X-ray Irradiation for Effective Photodynamic Therapy
    Hiromu Ito and Ikuo Nakanishi
    Free Radical Biol. Med., 192 (Supplement 1), 125 (2022).
    DOI: 10.1016/j.freeradbiomed.2022.10.231
    Released on November 1, 2022
  4. pH Effect on the Scavenging Reaction of Ascorbic Acid against Selected Radicals in Phosphate Buffer Solutions
    Ikuo Nakanishi, Yoshimi Shoji, Kei Ohkubo, Toshihiko Ozawa, Ken-ichiro Matsumoto, and Shunichi Fukuzumi
    Free Radical Biol. Med., 180 (Supplement 1), S64 (2022).
    DOI: 10.1016/j.freeradbiomed.2021.12.146
    Released on February 20, 2022
  5. Initial Molecular Geometry of Radiation-Induced Reactive Species in Water
    Ken-ichiro Matsumoto, Megumi Ueno, Yoshimi Shoji, and Ikuo Nakanishi
    Free Radical Biol. Med., 180 (Supplement 1), S63-S64 (2022).
    DOI: 10.1016/j.freeradbiomed.2021.12.145
    Released on February 20, 2022