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Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
97
Citations
35235
World Ranking
1462
National Ranking
67

Research.com Recognitions

  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Etsuo Niki is affiliated with the University of Tokyo in Japan and conducts research predominantly in the intersecting fields of Medicine, Chemistry, and Biochemistry, Genetics and Molecular Biology. Their work focuses primarily on areas such as Free Radicals and Antioxidants, Antioxidant Activity and Oxidative Stress, and Vitamin C and Antioxidants Research, with additional contributions to Sulfur Compounds in Biology, Redox Biology and Oxidative Stress, Cholesterol and Lipid Metabolism, and Phytochemicals and Antioxidant Activities.

The primary publication venues for this scientist include Free Radical Biology and Medicine, Free Radical Research, Antioxidants and Redox Signaling, Biochemical and Biophysical Research Communications, and Journal of Berry Research. These journals reflect a concentration in biochemical and oxidative stress research.

Among recent scholarly publications are:

  • Lipid oxidation that is, and is not, inhibited by vitamin E: Consideration about physiological functions of vitamin E, 2021, Free Radical Biology and Medicine
  • Antioxidant action of vitamin Ein vivo as assessed from its reaction products with multiple biological oxidants, 2020, Free Radical Research
  • Actions of Thiols, Persulfides, and Polysulfides as Free Radical Scavenging Antioxidants, 2023, Antioxidants and Redox Signaling
  • Antioxidant action of persulfides and polysulfides against free radical-mediated lipid peroxidation, 2022, Free Radical Research
  • Cholesterol is more readily oxidized than phospholipid linoleates in cell membranes to produce cholesterol hydroperoxides, 2023, Free Radical Biology and Medicine

Frequent collaborators in research include Noriko Noguchi, Yoshiro Saito, Takayuki Kaneko, Yuichiro Mita, and Kanako Nozawa-Kumada. This network suggests a collaborative approach in biochemical and antioxidant research.

Their work demonstrates an emphasis on biochemical mechanisms behind antioxidant activity, particularly the behavior of vitamin E and sulfur-containing compounds in oxidative stress. Research output further addresses lipid metabolism and the complex biochemical interactions of free radicals within biological systems, as indicated by the topics and the specificity of publications.

Best Publications

  • Lipid peroxidation: mechanisms, inhibition, and biological effects.

    Etsuo Niki;Yasukazu Yoshida;Yoshiro Saito;Noriko Noguchi

  • Lipid peroxidation: physiological levels and dual biological effects.

    Unknown

  • Antioxidants in relation to lipid peroxidation

    Etsuo Niki

  • Assessment of antioxidant capacity in vitro and in vivo.

    Unknown

  • Protein-bound acrolein: Potential markers for oxidative stress

    Koji Uchida;Masamichi Kanematsu;Kensuke Sakai;Tsukasa Matsuda

  • Free radical initiators as source of water- or lipid-soluble peroxyl radicals.

    Etsuo Niki

  • Inhibition of oxidation of methyl linoleate in solution by vitamin E and vitamin C.

    E Niki;T Saito;A Kawakami;Y Kamiya

  • Acrolein Is a Product of Lipid Peroxidation Reaction: FORMATION OF FREE ACROLEIN AND ITS CONJUGATE WITH LYSINE RESIDUES IN OXIDIZED LOW DENSITY LIPOPROTEINS *

    Koji Uchida;Masamichi Kanematsu;Yasujiro Morimitsu;Toshihiko Osawa

  • Role of vitamin E as a lipid-soluble peroxyl radical scavenger: in vitro and in vivo evidence.

    Unknown

  • Action of ascorbic acid as a scavenger of active and stable oxygen radicals.

    Etsuo Niki

  • Interaction among vitamin C, vitamin E, and beta-carotene.

    Etsuo Niki;Noriko Noguchi;Hidevasu Tsuchihashi;Naohiro Gotoh

  • Interaction of ascorbate and alpha-tocopherol.

    Etsuo Niki

  • Free-radical chain oxidation of rat red blood cells by molecular oxygen and its inhibition by α-tocopherol

    Masayuki Miki;Hiroshi Tamai;Makoto Mino;Yorihiro Yamamoto

  • Free radical-mediated chain oxidation of low density lipoprotein and its synergistic inhibition by vitamin E and vitamin C.

    Keizo Sato;Etsuo Niki;Hiroyuki Shimasaki

  • Comparative study on the action of tocopherols and tocotrienols as antioxidant: chemical and physical effects.

    Yasukazu Yoshida;Etsuo Niki;Noriko Noguchi

  • A comparison of screening methods for antioxidant activity in seaweeds

    R. Matsukawa;Z. Dubinsky;E. Kishimoto;K. Masaki

  • REGENERATION OF VITAMIN E FROM α-CHROMANOXYL RADICAL BY GLUTATHIONE AND VITAMIN C

    Etsuo Niki;Jyunichi Tsuchiya;Ritsuko Tanimura;Yoshio Kamiya

  • Antioxidant effects of phytosterol and its components.

    Yasukazu Yoshida;Etsuo Niki

  • Dynamics of antioxidant action of vitamin E.

    Etsijo Niki;Noriko Noguchi

  • Protein Adsorption of Ultrafine Metal Oxide and Its Influence on Cytotoxicity toward Cultured Cells

    Masanori Horie;Keiko Nishio;Katsuhide Fujita;Shigehisa Endoh

  • Oxidative hemolysis of erythrocytes and its inhibition by free radical scavengers.

    E Niki;E Komuro;M Takahashi;S Urano

  • Cell death caused by selenium deficiency and protective effect of antioxidants

    Yoshiro Saito;Yasukazu Yoshida;Takashi Akazawa;Kazuhiko Takahashi

  • A novel fluorescent probe diphenyl‐1‐pyrenylphosphine to follow lipid peroxidation in cell membranes

    Yuko Okimoto;Akira Watanabe;Etsuo Niki;Takashi Yamashita

Frequent Co-Authors

Noriko Noguchi
Noriko Noguchi Doshisha University
Yasukazu Yoshida
Yasukazu Yoshida National Institute of Advanced Industrial Science and Technology
Tatsuhiko Kodama
Tatsuhiko Kodama University of Tokyo
Hitoshi Iwahashi
Hitoshi Iwahashi Gifu University
Koji Uchida
Koji Uchida University of Tokyo
Xian-Yong Wei
Xian-Yong Wei China University of Mining and Technology
Takao Hamakubo
Takao Hamakubo Nippon Medical School
Motohiro Takeya
Motohiro Takeya Kumamoto Health Science University
Akira Watanabe
Akira Watanabe Kyoto University
Yoshiro Saito
Yoshiro Saito Tohoku University

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