World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 54 12530 11277 89 84 491 11569

Henrique E. Toma publications per year

The chart shows the history of publications by Henrique E. Toma between 1972 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Henrique E. Toma published across 55 years, from 1972 to 2026, averaging 10.2 papers a year. Output peaked at 22 publications in 2001. 14 of the 560 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1972 to 2026. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2001. 1972: 2 publications 1973: 7 publications 1974: 1 publication 1975: 6 publications 1976: 2 publications 1977: 8 publications 1978: 2 publications 1979: 9 publications 1980: 1 publication 1981: 2 publications 1982: 3 publications 1983: 6 publications 1984: 8 publications 1985: 8 publications 1986: 9 publications 1987: 5 publications 1988: 17 publications 1989: 12 publications 1990: 3 publications 1991: 8 publications 1992: 4 publications 1993: 9 publications 1994: 8 publications 1995: 11 publications 1996: 7 publications 1997: 8 publications 1998: 11 publications 1999: 10 publications 2000: 15 publications 2001: 22 publications 2002: 19 publications 2003: 13 publications 2004: 18 publications 2005: 20 publications 2006: 16 publications 2007: 9 publications 2008: 10 publications 2009: 12 publications 2010: 12 publications 2011: 13 publications 2012: 19 publications 2013: 11 publications 2014: 8 publications 2015: 16 publications 2016: 22 publications 2017: 15 publications 2018: 17 publications 2019: 17 publications 2020: 14 publications 2021: 11 publications 2022: 12 publications 2023: 7 publications 2024: 11 publications 2025: 13 publications 2026: 1 publication
1972 2026

560 publications in total across all disciplines

View publications per year as a table
Henrique E. Toma: publications per year, 1972 to 2026
Year Publications
1972 2
1973 7
1974 1
1975 6
1976 2
1977 8
1978 2
1979 9
1980 1
1981 2
1982 3
1983 6
1984 8
1985 8
1986 9
1987 5
1988 17
1989 12
1990 3
1991 8
1992 4
1993 9
1994 8
1995 11
1996 7
1997 8
1998 11
1999 10
2000 15
2001 22
2002 19
2003 13
2004 18
2005 20
2006 16
2007 9
2008 10
2009 12
2010 12
2011 13
2012 19
2013 11
2014 8
2015 16
2016 22
2017 15
2018 17
2019 17
2020 14
2021 11
2022 12
2023 7
2024 11
2025 13
2026 1
Total 560
Download as CSV

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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 481–500 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252 491
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
Download as CSV

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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 54–55 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933 54
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
Download as CSV

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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying chemistry in the USA opens the door to numerous specialized career paths, especially within forensic science and related fields. Many students consider pursuing a forensic degree online to combine their chemistry knowledge with investigative techniques, preparing for diverse forensic roles.

For those interested in the psychological aspects behind criminal behavior, forensic psychology master's programs offer advanced training that blends chemistry, psychology, and law enforcement insights.

Hands-on forensic jobs such as an autopsy technician require specialized education and skills. Learning how to become an autopsy tech involves coursework in anatomy and chemistry, vital for supporting medical examiners in determining causes of death.

Overall, careers in forensics are diverse and offer opportunities in crime labs, law enforcement, and research institutions. Exploring careers in forensics can help students align their chemistry expertise with impactful career goals.

Best Scientists Citing Henrique E. Toma

Trending Scientists

Recently Published Articles