World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
54
Citations
11569
World Ranking
12530
National Ranking
89

Henrique E. Toma 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 Henrique E. Toma 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: 491 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Henrique E. Toma 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 Henrique E. Toma 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: 54 D-Index — 31st percentile

31% 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

  • 2002 - Fellow, The World Academy of Sciences
  • 1999 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Henrique E. Toma is affiliated with the Universidade de São Paulo in Brazil. Their research primarily focuses on materials science and engineering, with notable activity in various subfields including materials chemistry, electrical and electronic engineering, electronic, optical and magnetic materials, electrochemistry, and mechanical engineering.

The scientist has contributed extensively to topics such as gold and silver nanoparticles synthesis and applications, electrochemical analysis and applications, electrochemical sensors and biosensors, minerals flotation and separation techniques, extraction and separation processes, advanced battery technologies research, and supercapacitor materials and fabrication.

Selected recent papers by Henrique E. Toma include:

  • Trimetallic oxides/hydroxides as hybrid supercapacitor electrode materials: a review (2020) published in Journal of Materials Chemistry A
  • Recent progress in water-splitting and supercapacitor electrode materials based on MOF-derived sulfides (2021) published in Journal of Materials Chemistry A
  • Recent progress in ZnCo2O4 and its composites for energy storage and conversion: a review (2022) published in Energy Advances
  • Nanoporous Gold-Based Materials for Electrochemical Energy Storage and Conversion (2021) published in Energy Technology
  • Fluorescent Cdots(N)-Silica composites: Direct synthesis and application as electrochemical sensor of fenitrothion pesticide (2021) published in Materials Science and Engineering B

The scientist has collaborated frequently with several coauthors, including Marcelo Nakamura, Luca M. Sihn, Josué M. Gonçalves, Koiti Araki, and João V. Mattioni.

Henrique E. Toma's work has appeared regularly in journals such as Journal of Nanoparticle Research, Molecules, Plasmonics, SSRN Electronic Journal, and Journal of Materials Chemistry A.

In addition to journal articles, the scientist has published a book titled Dos Primeiros Corantes Sintéticos até a Química Moderna: A Saga de Heinrich Caro (BASF) e Heinrich Rheinboldt (USP), set to be published by Dialética eBooks in 2025.

Throughout their career, Henrique E. Toma has received recognition through awards such as being named Fellow of The World Academy of Sciences in 2002 and Fellow of the John Simon Guggenheim Memorial Foundation in 1999.

Best Publications

  • Superparamagnetic nanoparticles as versatile carriers and supporting materials for enzymes

    Unknown

  • Supramolecular assemblies of ruthenium complexes and porphyrins

    Henrique E Toma;Koiti Araki

  • Trimetallic oxides/hydroxides as hybrid supercapacitor electrode materials: a review

    Josué M. Gonçalves;Matheus Ireno da Silva;Henrique E. Toma;Lúcio Angnes

  • The coordination chemistry at gold nanoparticles

    Henrique E. Toma;Vitor M. Zamarion;Sergio H. Toma;Koiti Araki

  • Ultrasensitive SERS Nanoprobes for Hazardous Metal Ions Based on Trimercaptotriazine-Modified Gold Nanoparticles

    Vitor M. Zamarion;Ronaldo A. Timm;Koiti Araki;Henrique E. Toma

  • Interaction of cationic meso-porphyrins with liposomes, mitochondria and erythrocytes

    Fabio M. Engelmann;Ildemar Mayer;Dino S. Gabrielli;Henrique E. Toma

  • High performance electrochemical sensors for dopamine and epinephrine using nanocrystalline carbon quantum dots obtained under controlled chronoamperometric conditions

    Unknown

  • Electrochemistry of a tetraruthenated cobalt porphyrin and its use in modified electrodes as sensors of reducing analytes

    Koiti Araki;Lúcio Angnes;Carla M.N. Azevedo;Henrique E. Toma

  • Protomers: formation, separation and characterization via travelling wave ion mobility mass spectrometry

    Priscila M. Lalli;Bernardo Almeida Iglesias;Henrique Eisi Toma;Gilberto F. de Sa

  • Pentacyanoferrate(II) complexes: evaluation of their formal potentials and mechanism of their quenching of tris(2,2'-bipyridine)ruthenium(II) luminescence

    Henrique E. Toma;Carol. Creutz

  • Monomeric and extended oxo-centered triruthenium clusters

    Unknown

  • Determination of n-octanol/water partition and membrane binding of cationic porphyrins

    Fábio M. Engelmann;Silvia V.O. Rocha;Henrique E. Toma;Koiti Araki

  • Recent progress in water-splitting and supercapacitor electrode materials based on MOF-derived sulfides

    Matheus Ireno da Silva;Ítalo R. Machadoa;Henrique E. Toma;Koiti Araki

  • Amperometric detection of nitrite and nitrate at tetraruthenated porphyrin-modified electrodes in a continuous-flow assembly

    José Roberto Caetano da Rocha;Lúcio Angnes;Mauro Bertotti;Koiti Araki

  • Batch Injection Analysis Utilizing Modified Electrodes with Tetraruthenated Porphyrin Films for Acetaminophen Quantification

    Maria S. M. Quintino;Koiti Araki;Henrique E. Toma;Lúcio Angnes

  • Luminescence, spectroelectrochemistry and photoelectrochemical properties of a tetraruthenated zinc porphyrin

    Koiti Araki;Henrique E. Toma

  • Spectroscopic studies of preferential and asymmetric solvation in substituted cyanoiron(II) complexes

    Henrique E. Toma;Maria S. Takasugi

  • TiO2-based light-driven XOR/INH logic gates.

    Luis F. O. Furtado;Anamaria D. P. Alexiou;Léia Gonçalves;Henrique E. Toma

  • Synthesis and characterization of a multibridged porphyrin complex containing peripheral bis (bipyridine) ruthenium (ii) groups

    Koiti Araki;Henrique Eisi Toma

  • Supramolecular cationic tetraruthenated porphyrin induces single-strand breaks and 8-oxo-7,8-dihydro-2'-deoxyguanosine formation in DNA in the presence of light.

    Janice Onuki;Adriana V. Ribas;Marisa H. G. Medeiros;Koiti Araki

  • Determination of sulfur dioxide in wines by gas-diffusion flow injection analysis utilizing modified electrodes with electrostatically assembled films of tetraruthenated porphyrin

    Carla M.N Azevedo;Koiti Araki;Henrique E Toma;Lúcio Angnes

  • Kinetics of formation and stability constants of some pentacyanoferrate(II) complexes of aromatic nitrogen heterocycles

    Unknown

  • Electrocatalytic activity of a new nanostructured polymeric tetraruthenated porphyrin film for nitrite detection

    Herbert Winnischofer;Simone de Souza Lima;Koiti Araki;Henrique Eisi Toma

  • Redox potentials of trinuclear μ-oxo ruthenium acetate clusters with N-heterocyclic ligands

    Henrique E. Toma;Carlos J. Cunha;Cecilia Cipriano

Frequent Co-Authors

Koiti Araki
Koiti Araki Universidade de São Paulo
Lúcio Angnes
Lúcio Angnes Universidade de São Paulo
Marcos N. Eberlin
Marcos N. Eberlin Universidade Presbiteriana Mackenzie
Ana Flávia Nogueira
Ana Flávia Nogueira State University of Campinas
Hiroyuki Furuta
Hiroyuki Furuta Kyushu University
Mauricio S. Baptista
Mauricio S. Baptista Universidade de São Paulo
A. B. P. Lever
A. B. P. Lever York University
Hiromitsu Maeda
Hiromitsu Maeda Ritsumeikan University
Marisa H. G. Medeiros
Marisa H. G. Medeiros Universidade de São Paulo
Ataualpa A. C. Braga
Ataualpa A. C. Braga Universidade de São Paulo

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