World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
63
Citations
16068
World Ranking
8331
National Ranking
2406

David J. Thomas 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 David J. Thomas 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: 142 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

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

David J. Thomas 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 David J. Thomas 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: 63 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Overview

David J. Thomas is affiliated with the Environmental Protection Agency in the United States. Their research primarily focuses on environmental science, with significant contributions to medicine. They specialize in areas including health, toxicology and mutagenesis, environmental chemistry, pollution, molecular biology, and surgery.

Their work chiefly addresses topics related to heavy metal exposure and toxicity, arsenic contamination and mitigation, heavy metals in the environment, selenium in biological systems, radioactivity and radon measurements, pediatric urology and nephrology studies, and gut microbiota and health.

Recent papers authored or coauthored by David J. Thomas include:

  • "Origins, fate, and actions of methylated trivalent metabolites of inorganic arsenic: progress and prospects" (2021) published in Archives of Toxicology
  • "Arsenic methylation - Lessons from three decades of research" (2021) published in Toxicology
  • "Bioavailable soil Pb minimized by in situ transformation to plumbojarosite" (2020) published in Proceedings of the National Academy of Sciences
  • "High Lead Bioavailability of Indoor Dust Contaminated with Paint Lead Species" (2020) published in Environmental Science & Technology
  • "Arsenic Metabolism in Mice Carrying a BORCS7/AS3MT Locus Humanized by Syntenic Replacement" (2020) published in Environmental Health Perspectives

Frequent coauthors collaborating with Thomas include:

  • Karen D. Bradham
  • Miroslav Stýblo
  • Gary Diamond
  • Rebecca C. Fry
  • Kirk G. Scheckel

Notable publication venues where Thomas's research frequently appears include UNC Libraries, British Journal of Surgery, Environmental Science & Technology, Archives of Toxicology, and Toxicology.

Best Publications

  • Arsenic Exposure and Toxicology: A Historical Perspective

    Michael F. Hughes;Barbara D. Beck;Yu Chen;Ari S. Lewis

  • Comparative toxicity of trivalent and pentavalent inorganic and methylated arsenicals in rat and human cells.

    M Styblo;L M Del Razo;L Vega;D R Germolec

  • The cellular metabolism and systemic toxicity of arsenic.

    David J. Thomas;Miroslav Styblo;Shan Lin

  • Methylated trivalent arsenic species are genotoxic

    Marc J. Mass;Alan Tennant;Barbara C. Roop;William R. Cullen

  • The role of biomethylation in toxicity and carcinogenicity of arsenic: a research update.

    Miroslav Stýblo;Zuzana Drobná;Ilona Jaspers;Shan Lin

  • Health effects and risk assessment of arsenic

    Charles O. Abernathy;David J. Thomas;Rebecca L. Calderon

  • A novel S-adenosyl-L-methionine:arsenic(III) methyltransferase from rat liver cytosol

    Shan Lin;Qing Shi;F. Brent Nix;Miroslav Styblo

  • Reduction and binding of arsenate and dimethylarsinate by glutathione: a magnetic resonance study

    Marielle Delnomdedieu;Mufeed M. Basti;James D. Otvos;David J. Thomas

  • Arsenic (+3 Oxidation State) Methyltransferase and the Methylation of Arsenicals

    David J. Thomas;Jiaxin Li;Stephen B. Waters;Weibing Xing

  • Elucidating the pathway for arsenic methylation.

    David J Thomas;Stephen B Waters;Miroslav Styblo

  • Comparative inhibition of yeast glutathione reductase by arsenicals and arsenothiols.

    Miroslav Styblo;Spiros V. Serves;William R. Cullen;David J. Thomas

  • Methylarsenicals and arsinothiols are potent inhibitors of mouse liver thioredoxin reductase.

    Shan Lin;William R. Cullen;David J. Thomas

  • Determination of Trivalent Methylated Arsenicals in Biological Matrices

    Luz Maria Del Razo;Miroslav Styblo;William R. Cullen;David J. Thomas

  • High-throughput identification of catalytic redox-active cysteine residues.

    Dmitri E. Fomenko;Weibing Xing;Blakely M. Adair;David J. Thomas

  • Excretion of arsenic in urine as a function of exposure to arsenic in drinking water.

    R L Calderon;E Hudgens;X C Le;D Schreinemachers

  • Disruption of the Arsenic (+3 Oxidation State) Methyltransferase Gene in the Mouse Alters the Phenotype for Methylation of Arsenic and Affects Distribution and Retention of Orally Administered Arsenate

    Zuzana Drobna;Hua Naranmandura;Kevin M. Kubachka;Brenda C. Edwards

  • Molecular processes in cellular arsenic metabolism.

    David J. Thomas

  • Relative Bioavailability and Bioaccessibility and Speciation of Arsenic in Contaminated Soils

    Karen D. Bradham;Kirk G. Scheckel;Clay M. Nelson;Paul E. Seales

  • Transfer of arsenite from glutathione to dithiols: a model of interaction.

    Marielle Delnomdedieu;Mufeed M. Basti;James D. Otvos;David J. Thomas

  • Molecular mechanisms of the diabetogenic effects of arsenic: inhibition of insulin signaling by arsenite and methylarsonous acid.

    David S. Paul;Anne W. Harmon;Vicenta Devesa;David J. Thomas

Frequent Co-Authors

Kirk G. Scheckel
Kirk G. Scheckel Environmental Protection Agency
Albert L. Juhasz
Albert L. Juhasz University of South Australia
William R. Cullen
William R. Cullen University of British Columbia
Michael P. Waalkes
Michael P. Waalkes National Institutes of Health
Samuel Monroe Cohen
Samuel Monroe Cohen University of Nebraska Medical Center
Edward L. LeCluyse
Edward L. LeCluyse Research Triangle Park Foundation
X. Chris Le
X. Chris Le University of Alberta
Pierre Morell
Pierre Morell University of North Carolina at Chapel Hill
H. Rex Gaskins
H. Rex Gaskins University of Illinois at Urbana-Champaign
Vadim N. Gladyshev
Vadim N. Gladyshev Brigham and Women's Hospital

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