World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
59
Citations
11444
World Ranking
10226
National Ranking
67

Ohara Augusto 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 Ohara Augusto 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: 223 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Ohara Augusto 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 Ohara Augusto 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: 59 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2011 - Fellow, The World Academy of Sciences

Overview

Ohara Augusto is affiliated with the Universidade de São Paulo in Brazil and has contributed extensively to the fields of biochemistry, genetics, molecular biology, and medicine. Their research primarily focuses on molecular biology and physiology, with additional work in immunology, cancer research, and biochemistry.

The scientist has published research on various topics related to redox biology and oxidative stress, nitric oxide and endothelin effects, neutrophil, myeloperoxidase, and oxidative mechanisms, cancer, hypoxia and metabolism, sulfur compounds in biology, electron spin resonance studies, and connexins and lens biology.

Notable recent publications include:

  • Electron paramagnetic resonance (EPR) for investigating relevant players of redox reactions: Radicals, metalloproteins and transition metal ions, 2023, Redox Biochemistry and Chemistry
  • Oxidative Modification of Proteins: From Damage to Catalysis, Signaling, and Beyond, 2021, Antioxidants and Redox Signaling
  • Dinitrosyl Iron Complexes (DNICs). From Spontaneous Assembly to Biological Roles, 2021, Inorganic Chemistry
  • Tempol reduces inflammation and oxidative damage in cigarette smoke-exposed mice by decreasing neutrophil infiltration and activating the Nrf2 pathway, 2020, Chemico-Biological Interactions
  • Lipid aldehyde hydrophobicity affects apo-SOD1 modification and aggregation, 2020, Free Radical Biology and Medicine

Ohara Augusto frequently collaborates with several researchers, including Edlaine Linares, Daniela R. Truzzi, Luís Eduardo Soares Netto, Graziella E. Ronsein, and Fernando Rodrigues Coelho.

The publication record indicates a strong presence in the journal Free Radical Biology and Medicine, with 11 publications, alongside contributions to Antioxidants and Redox Signaling, Inorganic Chemistry, Chemico-Biological Interactions, and Redox Biochemistry and Chemistry.

In 2011, Ohara Augusto was recognized as a Fellow of The World Academy of Sciences.

Best Publications

  • Nitrogen dioxide and carbonate radical anion: two emerging radicals in biology.

    Ohara Augusto;Marcelo G. Bonini;Angélica M. Amanso;Edlaine Linares

  • Direct EPR detection of the carbonate radical anion produced from peroxynitrite and carbon dioxide.

    Marcelo G. Bonini;Rafael Radi;Gerardo Ferrer-Sueta;Ana M. Da C. Ferreira

  • Uric acid oxidation by peroxynitrite: multiple reactions, free radical formation, and amplification of lipid oxidation.

    Célio X.C. Santos;Edson I. Anjos;Ohara Augusto

  • Pathways of peroxynitrite oxidation of thiol groups

    Celia Quijano;Beatriz Alvarez;Reynaldo M. Gatti;Ohara Augusto

  • Even free radicals should follow some rules: a guide to free radical research terminology and methodology.

    Henry Jay Forman;Henry Jay Forman;Ohara Augusto;Regina Brigelius-Flohe;Phyllis A. Dennery

  • Connecting the chemical and biological properties of nitric oxide.

    Jose Carlos Toledo;Ohara Augusto

  • Nitrite as the major source of nitric oxide production by Arabidopsis thaliana in response to Pseudomonas syringae

    Luzia V. Modolo;Ohara Augusto;Irene M.G. Almeida;Jose R. Magalhaes

  • Reduction of 1-Cys peroxiredoxins by ascorbate changes the thiol-specific antioxidant paradigm, revealing another function of vitamin C.

    Gisele Monteiro;Bruno B. Horta;Daniel Carvalho Pimenta;Ohara Augusto

  • Vascular free radical release. Ex vivo and in vivo evidence for a flow-dependent endothelial mechanism.

    F R Laurindo;M de A Pedro;H V Barbeiro;F Pileggi

  • The catalytic mechanism of cytochrome P-450. Spin-trapping evidence for one-electron substrate oxidation.

    O Augusto;H S Beilan;P R Ortiz de Montellano

  • Antioxidantes dietéticos: controvérsias e perspectivas

    Fernanda Menezes Cerqueira;Marisa Helena Gennari de Medeiros;Ohara Augusto

  • Reactions of yeast thioredoxin peroxidases I and II with hydrogen peroxide and peroxynitrite: rate constants by competitive kinetics.

    Renata Ogusucu;Daniel Rettori;Daniela Cristina Munhoz;Luis Eduardo Soares Netto

  • Carbon Dioxide Stimulates the Production of Thiyl, Sulfinyl, and Disulfide Radical Anion from Thiol Oxidation by Peroxynitrite

    Marcelo G. Bonini;Ohara Augusto

  • The carbonate radical and related oxidants derived from bicarbonate buffer.

    Danilo B. Medinas;Giselle Cerchiaro;Daniel F. Trindade;Ohara Augusto

  • N-Phenylprotoporphyrin IX formation in the hemoglobin-phenylhydrazine reaction. Evidence for a protein-stabilized iron-phenyl intermediate.

    O Augusto;K L Kunze;P R Ortiz de Montellano

  • Free radical generation during δ-Aminolevulinic acid autoxidation: Induction by hemoglobin and connections with porphyrinpathies

    Hugo P. Monteiro;Dulcineia S.P. Abdalla;Ohara Augusto;Etelvino J.H. Bechara

  • Decreased arginine and nitrite levels in nitrate reductase-deficient Arabidopsis thaliana plants impair nitric oxide synthesis and the hypersensitive response to Pseudomonas syringae

    Luzia V. Modolo;Ohara Augusto;Irene M.G. Almeida;Cecília A.F. Pinto-Maglio

  • Peroxynitrite-mediated formation of free radicals in human plasma: EPR detection of ascorbyl, albumin-thiyl and uric acid-derived free radicals.

    Jeannette Vásquez-Vivar;Alexandre M. Santos;Virginia B. C. Junqueira;Ohara Augusto

  • Spin-trapping studies of peroxynitrite decomposition and of 3-morpholinosydnonimine N-ethylcarbamide autooxidation: direct evidence for metal-independent formation of free radical intermediates.

    O. Augusto;R.M. Gatti;R. Radi

  • Peroxynitrite‐mediated oxidation of albumin to the protein‐thiyl free radical

    Reynaldo M. Gatti;Rafael Radi;Ohara Augusto

Frequent Co-Authors

Rafael Radi
Rafael Radi University of the Republic
Paolo Di Mascio
Paolo Di Mascio Universidade de São Paulo
Marisa H. G. Medeiros
Marisa H. G. Medeiros Universidade de São Paulo
Etelvino J. H. Bechara
Etelvino J. H. Bechara Universidade de São Paulo
Ana Denicola
Ana Denicola University of the Republic
Ronald P. Mason
Ronald P. Mason National Institutes of Health
Nelson Durán
Nelson Durán State University of Campinas
Peter C. Ford
Peter C. Ford University of California, Santa Barbara
Alicia J. Kowaltowski
Alicia J. Kowaltowski Universidade de São Paulo
Madia Trujillo
Madia Trujillo University of the Republic

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