World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
53
Citations
11113
World Ranking
12995
National Ranking
979

Shigeru Ohta 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 Shigeru Ohta 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: 285 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Shigeru Ohta 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 Shigeru Ohta 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: 53 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Overview

Shigeru Ohta is affiliated with Hiroshima University in Japan and contributes to research primarily in the fields of Agricultural and Biological Sciences, Biochemistry, Genetics and Molecular Biology, and Materials Science. Their work spans a variety of subfields including Materials Chemistry, Plant Science, Ecology, Evolution, Behavior and Systematics, Pharmacology, and Genetics.

The main topics covered in Ohta's research include plant and animal studies, crystallization and solubility studies, X-ray diffraction in crystallography, insect and arachnid ecology and behavior, marine sponges and natural products, insect-plant interactions and control, and essential oils and antimicrobial activity.

Scientific output includes publications in prominent venues with multiple appearances in The Cambridge Structural Database, Journal of Chemical Ecology, Chemistry & Biodiversity, Journal of Natural Products, and Phytochemistry. The number of publications in these journals reflects a focus on chemical ecology, natural products, and crystallography.

Frequent coauthors provide insight into Ohta's collaborative network. These include Hisashi Ômura, Mylene M. Uy, Emi Ohta, Tatsuo Nehira, and Yasuhiro Ishihara, indicating ongoing partnerships in related scientific areas.

Selected recent papers by Ohta or within related collaborations include:

  • Asaroidoxazines from the Roots of Asarum asaroides Induce Apoptosis in Human Neuroblastoma Cells, 2020, Journal of Natural Products
  • The male swallowtail butterfly, Papilio polytes, uses cuticular hydrocarbons for mate discrimination, 2020, Animal Behaviour
  • Oxygenated Cembrene Diterpenes from Sarcophyton convolutum: Cytotoxic Sarcoconvolutum A-E, 2021, Marine Drugs
  • Paralemnolins X and Y, New Antimicrobial Sesquiterpenoids from the Soft Coral Paralemnalia thyrsoide, 2021, Antibiotics
  • Carotane sesquiterpenes from Ferula vesceritensis: in silico analysis as SARS-CoV-2 binding inhibitors, 2020, RSC Advances

Best Publications

  • Comparative study of the endocrine-disrupting activity of bisphenol A and 19 related compounds.

    Shigeyuki Kitamura;Tomoharu Suzuki;Seigo Sanoh;Ryuki Kohta

  • Estrogenic and antiandrogenic activities of 17 benzophenone derivatives used as UV stabilizers and sunscreens.

    Tomoharu Suzuki;Shigeyuki Kitamura;Ryuki Khota;Kazumi Sugihara

  • Thyroid hormonal activity of the flame retardants tetrabromobisphenol A and tetrachlorobisphenol A

    Shigeyuki Kitamura;Norimasa Jinno;Shigeru Ohta;Hiroaki Kuroki

  • Anti-thyroid hormonal activity of tetrabromobisphenol A, a flame retardant, and related compounds: Affinity to the mammalian thyroid hormone receptor, and effect on tadpole metamorphosis

    Shigeyuki Kitamura;Teruhisa Kato;Mitsuru Iida;Norimasa Jinno

  • Drug-Metabolizing Ability of Molybdenum Hydroxylases

    Shigeyuki Kitamura;Kazumi Sugihara;Shigeru Ohta

  • New series of antiprion compounds: pyrazolone derivatives have the potent activity of inhibiting protease-resistant prion protein accumulation.

    Ayako Kimata;Hidehiko Nakagawa;Ryo Ohyama;Tomoko Fukuuchi

  • Potent Estrogenic Metabolites of Bisphenol A and Bisphenol B Formed by Rat Liver S9 Fraction: Their Structures and Estrogenic Potency

    Shin'ichi Yoshihara;Tohru Mizutare;Misako Makishima;Noriko Suzuki

  • 1-Benzyl-1,2,3,4-tetrahydroisoquinoline as a parkinsonism-inducing agent: a novel endogenous amine in mouse brain and parkinsonian CSF.

    Yaichiro Kotake;Yoshikazu Tasaki;Yukiko Makino;Shigeru Ohta

  • TETRAHYDROISOQUINOLINE AND 1-METHYL-TETRAHYDROISOQUINOLINE ARE PRESENT IN THE HUMAN BRAIN: RELATION TO PARKINSON’S DISEASE

    Shigeru Ohta;Michihiro Kohno;Yukiko Makino;Osamu Tachikawa

  • Metabolic activation of bisphenol A by rat liver S9 fraction.

    Shin'ichi Yoshihara;Misako Makishima;Noriko Suzuki;Shigeru Ohta

  • Tetrahydroisoquinoline and 1-methyl-tetrahydroisoquinoline as novel endogenous amines in rat brain

    Michihiro Kohno;Shigeru Ohta;Masaaki Hirobe

  • Thyroid hormone-like and estrogenic activity of hydroxylated PCBs in cell culture.

    Shigeyuki Kitamura;Norimasa Jinno;Tomoharu Suzuki;Kazumi Sugihara

  • Presence of tetrahydroisoquinoline and 1-methyl-tetrahydro-isoquinoline in foods: compounds related to Parkinson's disease.

    Yukiko Makino;Shigeru Ohta;Osamu Tachikawa;Masaaki Hirobe

  • Comparison of drug metabolism and its related hepatotoxic effects in HepaRG, cryopreserved human hepatocytes, and HepG2 cell cultures

    Yuichi Yokoyama;Yuichi Yokoyama;Yoshifumi Sasaki;Natsuko Terasaki;Taku Kawataki

  • Design, synthesis, and pharmacological activity of nonallergenic pyrazolone-type antipyretic analgesics.

    Naoto Uramaru;Hidenari Shigematsu;Akihisa Toda;Reiko Eyanagi

  • 1‐Methyl‐ 1,2,3,4‐Tetrahydroisoquinoline, Decreasing in 1‐Methyl‐4‐Phenyl‐1,2,3,6‐Tetrahydropyridine‐Treated Mouse, Prevents Parkinsonism‐Like Behavior Abnormalities

    Yoshikazu Tasaki;Yukiko Makino;Shigeru Ohta;Masaaki Hirobe

  • Metabolism of UV-filter benzophenone-3 by rat and human liver microsomes and its effect on endocrine-disrupting activity.

    Yoko Watanabe;Yoko Watanabe;Hiroyuki Kojima;Shinji Takeuchi;Naoto Uramaru

  • Reductive metabolism of p,p'-DDT and o,p'-DDT by rat liver cytochrome P450.

    Shigeyuki Kitamura;Yuri Shimizu;Yuko Shiraga;Mayumi Yoshida

  • Selective dopaminergic neurotoxicity of isoquinoline derivatives related to Parkinson’s disease: studies using heterologous expression systems of the dopamine transporter

    Alexander Storch;Stefanie Ott;Yu I Hwang;Rainer Ortmann

  • Quinoline Derivatives Are Therapeutic Candidates for Transmissible Spongiform Encephalopathies

    Ikuko Murakami-Kubo;Katsumi Doh-Ura;Kensuke Ishikawa;Satoshi Kawatake

  • Glidobactins A, B and C, new antitumor antibiotics. I. Production, isolation, chemical properties and biological activity.

    Masahisa Oka;Yuji Nishiyama;Shinichi Ohta;Hideo Kamei

  • Different action on dopamine catabolic pathways of two endogenous 1,2,3,4-tetrahydroisoquinolines with similar antidopaminergic properties.

    Lucyna Antkiewicz-Michaluk;Jerzy Michaluk;Maria Mokrosz;Irena Romanska

Frequent Co-Authors

Yoshiaki Fujii-Kuriyama
Yoshiaki Fujii-Kuriyama Tokyo Medical and Dental University
Kazuya Kikuchi
Kazuya Kikuchi Osaka University
Takayoshi Suzuki
Takayoshi Suzuki Osaka University
Yuichi Hashimoto
Yuichi Hashimoto University of Tokyo
Mineko Terao
Mineko Terao Mario Negri Institute for Pharmacological Research
Katsutoshi Yoshizato
Katsutoshi Yoshizato Osaka Metropolitan University
Enrico Garattini
Enrico Garattini Mario Negri Institute for Pharmacological Research
Ichiro Kanazawa
Ichiro Kanazawa University of Tokyo
Shuhei Yamaguchi
Shuhei Yamaguchi Shimane University
Makoto Naoi
Makoto Naoi Nagoya Institute of Technology

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