World's Best Scientists 2026 revealed!
Mamoru Koketsu

Mamoru Koketsu

D-Index & Metrics

Chemistry

D-Index
43
Citations
7658
World Ranking
17141
National Ranking
1352

Mamoru Koketsu publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Mamoru Koketsu sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 322 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Mamoru Koketsu D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Mamoru Koketsu sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 43 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Mamoru Koketsu is affiliated with Gifu University in Japan and is active in research primarily within the fields of Chemistry, Biochemistry, Genetics and Molecular Biology, and Medicine. Their work has a strong focus on Organic Chemistry and Molecular Biology, with additional contributions in Toxicology, Plant Science, and Pharmacology.

The research topics Koketsu is involved with include:

  • Sulfur-Based Synthesis Techniques
  • Synthesis and Biological Evaluation
  • Organoselenium and Organotellurium Chemistry
  • Identification and Quantification in Food
  • Medicinal Plants and Neuroprotection
  • Natural Product Bioactivities and Synthesis
  • Cancer Therapeutics and Mechanisms

Frequent co-authors collaborating with Koketsu include:

  • Masayuki Ninomiya
  • Amol D. Sonawane
  • Atsuyoshi Nishina
  • Kaori Tanaka
  • Olufunke E. Olorundare

Koketsu's publications have appeared multiple times in several scientific journals, notably:

  • Bioorganic Chemistry
  • Organic & Biomolecular Chemistry
  • Cell Biochemistry and Biophysics
  • Tetrahedron Letters
  • Bioorganic & Medicinal Chemistry Letters

Representative recent papers include:

  • "Synthesis of Seleno-Heterocycles via Electrophilic/Radical Cyclization of Alkyne Containing Heteroatoms" (2020, Advanced Synthesis & Catalysis)
  • "Inhibition mechanism of alpha-amylase, a diabetes target, by a steroidal pregnane and pregnane glycosides derived from Gongronema latifolium Benth" (2022, Frontiers in Molecular Biosciences)
  • "pH-Triggered Drug Release Controlled by Poly(Styrene Sulfonate) Growth Hollow Mesoporous Silica Nanoparticles" (2020, ACS Omega)
  • "Review of sialic acid's biochemistry, sources, extraction and functions with special reference to edible bird's nest" (2021, Food Chemistry)
  • "Diorganyl diselenides: a powerful tool for the construction of selenium containing scaffolds" (2021, Dalton Transactions)

Best Publications

  • OCCURRENCE OF A SIALYLGLYCOPEPTIDE AND FREE SIALYLGLYCANS IN HEN'S EGG YOLK

    Akira Seko;Mamoru Koketsu;Masakazu Nishizono;Yuko Enoki

  • Biologically significant selenium-containing heterocycles

    Masayuki Ninomiya;Dinesh R. Garud;Mamoru Koketsu

  • Partially Unfolded Lysozyme at Neutral pH Agglutinates and Kills Gram-Negative and Gram-Positive Bacteria through Membrane Damage Mechanism

    Hisham R. Ibrahim;Shinji Higashiguchi;Mamoru Koketsu;Lekh R. Juneja

  • Synthesis of 1,3-thiazine derivatives and their evaluation as potential antimycobacterial agents.

    Mamoru Koketsu;Kohsuke Tanaka;Yuichi Takenaka;Cecil D Kwong

  • Recent developments in the synthesis of biologically relevant selenium-containing scaffolds

    Bubun Banerjee;Mamoru Koketsu

  • Reaction of Lithium Aluminum Hydride with Elemental Selenium: Its Application as a Selenating Reagent into Organic Molecules

    Hideharu Ishihara;Mamoru Koketsu;Yoshihisa Fukuta;Futoshi Nada

  • Isoselenocyanates: a powerful tool for the synthesis of selenium-containing heterocycles.

    Dinesh Ramesh Garud;Mamoru Koketsu;Hideharu Ishihara

  • Synthesis of Seleno‐Heterocycles via Electrophilic/Radical Cyclization of Alkyne Containing Heteroatoms

    Amol D. Sonawane;Rohini A. Sonawane;Masayuki Ninomiya;Mamoru Koketsu

  • Dietary tricin suppresses inflammation-related colon carcinogenesis in male Crj: CD-1 mice.

    Takeru Oyama;Yumiko Yasui;Shigeyuki Sugie;Mamoru Koketsu

  • Novel compounds, '1,3-selenazine derivatives' as specific inhibitors of eukaryotic elongation factor-2 kinase.

    Sung Ig Cho;Mamoru Koketsu;Hideharu Ishihara;Masayuki Matsushita

  • Regulation of melanin synthesis by selenium-containing carbohydrates.

    Sang Joon Ahn;Mamoru Koketsu;Hideharu Ishihara;Soo Min Lee

  • Antioxidative Activity of Egg Yolk Phospholipids

    Hidetoshi Sugino;Makoto Ishikawa;Teruhiko Nitoda;Mamoru Koketsu

  • A Facile Method for β-Selenoglycoside Synthesis Using β-p-Methylbenzoyl Selenoglycoside as the Selenating Unit

    Yumiko Kawai;Hiromune Ando;Hideya Ozeki;Mamoru Koketsu

  • Large-scale preparation of sialic acid from chalaza and egg-yolk membrane.

    Lekh Raj Juneja;Mamoru Koketsu;Katsuya Nishimoto;Mujo Kim

  • Antitermite Activities of Coumarin Derivatives and Scopoletin from Protium javanicum Burm. f.

    Morina Adfa;Tsuyoshi Yoshimura;Kenichi Komura;Mamoru Koketsu

  • Synthesis of 3-selena-1-dethiacephems and selenazepines via iodocyclization.

    Dinesh R Garud;Mamoru Koketsu

  • Inhibitory effects of flavonoids isolated from Fragaria ananassa Duch on IgE-mediated degranulation in rat basophilic leukemia RBL-2H3.

    Tomohiro Itoh;Masayuki Ninomiya;Masaharu Yasuda;Kaneyuki Koshikawa

  • Preparation of Isoselenocyanate and Synthesis of Carbodiimide by Oxidation of Selenourea

    Mamoru Koketsu;Norihito Suzuki;Hideharu Ishihara

  • 1,3-Selenazine derivatives induce cytotoxicity and DNA fragmentation in human HT-1080 fibrosarcoma cells.

    Mamoru Koketsu;Hideharu Ishihara;Wenjuan Wu;Koji Murakami

  • pH-Triggered Drug Release Controlled by Poly(Styrene Sulfonate) Growth Hollow Mesoporous Silica Nanoparticles

    Fajar R. Wibowo;Ozi A. Saputra;Witri W. Lestari;Mamoru Koketsu

  • Electrophoresis for the analysis of acidic oligosaccharides.

    Mamoru Koketsu;Robert J. Linhardt

  • Mesoporous silica MCM-41 as a highly active, recoverable and reusable catalyst for direct amidation of fatty acids and long-chain amines

    Kenichi Komura;Yu Nakano;Mamoru Koketsu

Frequent Co-Authors

Hirokazu Kimura
Hirokazu Kimura RMIT University
Robert J. Linhardt
Robert J. Linhardt Rensselaer Polytechnic Institute
Shoei Furukawa
Shoei Furukawa Gifu Pharmaceutical University
Yukihiro Akao
Yukihiro Akao Gifu University
Ikuo Saiki
Ikuo Saiki University of Toyama
Kazuo Ichimura
Kazuo Ichimura National Agriculture and Food Research Organization
Makoto Kiso
Makoto Kiso Gifu University
Hasan Mukhtar
Hasan Mukhtar University of Wisconsin–Madison
Hiroaki Sakurai
Hiroaki Sakurai University of Toyama
Sung-Hoon Kim
Sung-Hoon Kim Kyung Hee University

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