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Etelvino J. H. Bechara

Etelvino J. H. Bechara

Universidade de São Paulo
Brazil

D-Index & Metrics

Biology and Biochemistry

D-Index
54
Citations
10160
World Ranking
15658
National Ranking
87

Etelvino J. H. Bechara publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Etelvino J. H. Bechara sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 233 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Etelvino J. H. Bechara D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Etelvino J. H. Bechara sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 54 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 1996 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Etelvino J. H. Bechara is a researcher affiliated with the Universidade de São Paulo in Brazil. Their scientific work primarily spans the field of Biochemistry, Genetics and Molecular Biology, with significant focus on Molecular Biology. Additional subfields in which they have contributed include Ecology, Pharmacology, Spectroscopy, and Biophysics.

Their research delves into several specialized topics, notably:

  • bioluminescence and chemiluminescence research
  • Heme Oxygenase-1 and Carbon Monoxide
  • Microbial Community Ecology and Physiology
  • Redox biology and oxidative stress
  • Molecular Sensors and Ion Detection
  • Electron Spin Resonance Studies
  • Genomics and Phylogenetic Studies

Etelvino J. H. Bechara has contributed to numerous peer-reviewed scientific papers, with notable recent publications including:

  • "Oxidative Modification of Proteins: From Damage to Catalysis, Signaling, and Beyond," 2021, published in Antioxidants and Redox Signaling
  • "Evaluation of Phenolic Compound Toxicity Using a Bioluminescent Assay with the Fungus Gerronema viridilucens," 2020, published in Environmental Toxicology and Chemistry
  • "Toxicity of metal cations and phenolic compounds to the bioluminescent fungus Neonothopanus gardneri," 2021, published in Environmental Advances
  • "Singlet oxygen generation by the reaction of acrolein with peroxynitrite via a 2-hydroxyvinyl radical intermediate," 2020, published in Free Radical Biology and Medicine
  • "5-Aminolevulinic acid: A matter of life and caveats," 2021, published in Journal of Photochemistry and Photobiology

The primary publication venues for Bechara's work include Free Radical Biology and Medicine, Journal of Photochemistry and Photobiology B Biology, Antioxidants and Redox Signaling, Environmental Toxicology and Chemistry, and Environmental Advances.

Frequent collaborators in their research include Cassius V. Stevani, Luiz D. Ramos, Renato S. Freire, Douglas M. M. Soares, and Anderson G. Oliveira.

In their career, Bechara received recognition as a Fellow of the John Simon Guggenheim Memorial Foundation in 1996.

Best Publications

  • Chemiexcitation of melanin derivatives induces DNA photoproducts long after UV exposure

    Sanjay Premi;Silvia Wallisch;Camila M. Mano;Adam B. Weiner

  • Trapping of free radicals with direct in vivo EPR detection: a comparison of 5,5-dimethyl-1-pyrroline-N-oxide and 5-diethoxyphosphoryl-5-methyl-1-pyrroline-N-oxide as spin traps for HO* and SO4*-.

    Graham S Timmins;Ke Jian Liu;Etelvino J.H Bechara;Yashige Kotake

  • Fontes vegetais naturais de antioxidantes

    Alane Cabral de Oliveira;Iara Barros Valentim;Marília Oliveira Fonseca Goulart;Cícero Alexandre Silva

  • Total phenolic content and free radical scavenging activities of methanolic extract powders of tropical fruit residues.

    Alane Cabral de Oliveira;Iara Barros Valentim;Cícero Alexandre Silva;Etelvino José Henriques Bechara

  • Permeabilization of the inner mitochondrial membrane by Ca2+ ions is stimulated by t-butyl hydroperoxide and mediated by reactive oxygen species generated by mitochondria

    Roger F. Castilho;Alicia J. Kowaltowski;AndréR. Meinicke;Etelvino J.H. Bechara

  • Antioxidant modulation in response to metal-induced oxidative stress in algal chloroplasts.

    O. K. Okamoto;E. Pinto;L. R. Latorre;E. J. H. Bechara

  • Effect of inorganic phosphate concentration on the nature of inner mitochondrial membrane alterations mediated by Ca2+ ions. A proposed model for phosphate-stimulated lipid peroxidation.

    Alicia J. Kowaltowski;Roger F. Castilho;Mercedes T. Grijalba;Etelvino J.H. Bechara

  • Activities of superoxide dismutase and glutathione peroxidase in schizophrenic and manic-depressive patients.

    D. S. P. Abdalla;H. P. Monteiro;J. A. C. Oliveira;E. J. H. Bechara

  • Cloning, sequence analysis, and expression of active Phrixothrix railroad-worms luciferases: relationship between bioluminescence spectra and primary structures.

    Vadim R. Viviani;Etelvino J. H. Bechara;Yoshihiro Ohmiya

  • Are free radicals involved in lead poisoning

    M. Hermes-Lima;B. Pereira;E. J. H. Bechara

  • Singlet molecular oxygen production in the reaction of peroxynitrite with hydrogen peroxide

    Paolo Di Mascio;Etelvino José Henriques Bechara;Marisa Helena Gennari de Medeiros;K Briviba

  • 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

  • Oxidative stress in acute intermittent porphyria and lead poisoning may be triggered by 5-aminolevulinic acid.

    E. J. H. Bechara

  • Damage to rat liver mitochondria promoted by δ-aminolevulinic acid-generated reactive oxygen species: connections with acute intermittent porphyria and lead-poisoning

    Marcelo Hermes-Lima;Valderez G.R. Valle;Anibal E. Vercesi;Etelvino J.H. Bechara

  • Control of superoxide dismutase, catalase and glutathione peroxidase activities in rat lymphoid organs by thyroid hormones

    B Pereira;L F B P Costa Rosa;D A Safi;E J H Bechara

  • A Free Radical Hypothesis of Lead Poisoning and Inborn Porphyrias Associated with 5-Aminolevulinic Acid Overload

    E. J. H. Bechara;M. H. G. Medeiros;H. P. Monteiro;M. Hermes-Lima

  • Correlation between plasma 5-aminolevulinic acid concentrations and indicators of oxidative stress in lead-exposed workers

    C A Costa;Gilmar da Cunha Trivelato;A M P Pinto;Etelvino José Henriques Bechara

  • Generation of active oxygen species during coupled autoxidation of oxyhemoglobin and δ-aminolevulinic acid

    Hugo P. Monteiro;Dulcinéia S.P. Abdalla;Adelaide Faljoni-Alàrio;Etelvino J.H. Bechara

  • The prooxidant effect of 5-aminolevulinic acid in the brain tissue of rats: Implications in neuropsychiatric manifestations in porphyrias

    Marilene Demasi;Carlos A.A. Penatti;Roberto Delucia;Etelvino J.H. Bechara

  • Neurotoxicity and aggressiveness triggered by low-level lead in children: a review

    Kelly Polido Kaneshiro Olympio;Claudia Gonçalves;Wanda Maria Risso Günther;Etelvino José Henriques Bechara;Etelvino José Henriques Bechara

Frequent Co-Authors

Paolo Di Mascio
Paolo Di Mascio Universidade de São Paulo
Marisa H. G. Medeiros
Marisa H. G. Medeiros Universidade de São Paulo
Rui Curi
Rui Curi Universidade de São Paulo
Anibal E. Vercesi
Anibal E. Vercesi State University of Campinas
Ohara Augusto
Ohara Augusto Universidade de São Paulo
Marcelo Hermes-Lima
Marcelo Hermes-Lima University of Brasília
Nelson Durán
Nelson Durán State University of Campinas
Roger F. Castilho
Roger F. Castilho State University of Campinas
Alicia J. Kowaltowski
Alicia J. Kowaltowski Universidade de São Paulo
Helmut Sies
Helmut Sies Heinrich Heine University Düsseldorf

External Links

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Best Scientists Citing Etelvino J. H. Bechara

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Yoshihiro Ohmiya

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Cristina W. Nogueira

Cristina W. Nogueira

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Marisa H. G. Medeiros

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Publications: 29

Alicia J. Kowaltowski

Alicia J. Kowaltowski

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Publications: 29

Nelson Durán

Nelson Durán

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Publications: 27

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Swaran J.S. Flora

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Publications: 24

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Waldemar Adam

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Grenoble Alpes University

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