World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
72
Citations
24058
World Ranking
5166
National Ranking
128

William R. Cullen 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 William R. Cullen 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: 432 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

William R. Cullen 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 William R. Cullen 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: 72 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

William R. Cullen was affiliated with the University of British Columbia in Canada. Their research contributions predominantly spanned the fields of Medicine and Health Professions, with a strong focus on General Health Professions, Public Health, Environmental and Occupational Health, Epidemiology, Clinical Psychology, and Infectious Diseases.

The research output of William R. Cullen included work on significant topics such as Primary Care and Health Outcomes, COVID-19 and Mental Health, Global Health Workforce Issues, Hepatitis C virus research, Long-Term Effects of COVID-19, Innovations in Medical Education, and Opioid Use Disorder Treatment.

Among their recent published papers were:

  • Mental health in the COVID-19 pandemic, 2020, published in QJM
  • The impact of green spaces on mental health in urban settings: a scoping review, 2020, published in Journal of Mental Health
  • Barriers to healthcare and self-reported adverse outcomes for autistic adults: a cross-sectional study, 2022, published in BMJ Open
  • COVID-19's impact on primary care and related mitigation strategies: A scoping review, 2021, published in European Journal of General Practice
  • Curriculum initiatives to enhance research skills acquisition by medical students: a scoping review, 2021, published in BMC Medical Education

William R. Cullen frequently collaborated with co-authors including Geoff McCombe, John Broughan, John S. Lambert, Gordana Avramovic, and Ronan Fawsitt. These collaborations contributed to the breadth of their research activities.

The scientist's work was often disseminated through venues such as HRB Open Research, bioRxiv (Cold Spring Harbor Laboratory), Irish Journal of Psychological Medicine, Irish Journal of Medical Science (1971 -), and PLoS ONE.

Best Publications

  • ARSENIC SPECIATION IN THE ENVIRONMENT

    William R. Cullen;Kenneth J. Reimer

  • 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

  • Monomethylarsonous acid (MMAIII) is more toxic than arsenite in Chang human hepatocytes.

    Jay S. Petrick;Felix Ayala-Fierro;William R. Cullen;Dean E. Carter

  • Arsenic binding to proteins.

    Shengwen Shen;Xing-Fang Li;William R. Cullen;Michael Weinfeld

  • Methylated trivalent arsenic species are genotoxic

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

  • Speciation of key arsenic metabolic intermediates in human urine.

    X. Chris Le;Xiufen Lu;Mingsheng Ma;William R. Cullen

  • Composition and distribution of polycyclic aromatic hydrocarbon contamination in surficial marine sediments from Kitimat Harbor, Canada

    Christopher D. Simpson;Andrew A. Mosi;William R. Cullen;Kenneth J. Reimer

  • Differential Effects of Trivalent and Pentavalent Arsenicals on Cell Proliferation and Cytokine Secretion in Normal Human Epidermal Keratinocytes

    Libia Vega;Miroslav Styblo;Rachel Patterson;William Cullen

  • 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

  • The reaction of methylarsenicals with thiols: Some biological implications

    W.R. Cullen;B.C. McBride;J. Reglinski

  • DNA damage induced by methylated trivalent arsenicals is mediated by reactive oxygen species.

    Stephen Nesnow;Barbara C. Roop;Guy Lambert;Maria Kadiiska

  • Determination of Trivalent Methylated Arsenicals in Biological Matrices

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

  • 1,1'-Bis(alkylarylphosphino)ferrocenes: synthesis, metal complex formation, and crystal structure of three metal complexes of Fe(.eta.5-C5H4PPh2)2

    Ian R. Butler;William R. Cullen;Tae Jeong. Kim;Steven J. Rettig

  • Human urinary arsenic excretion after one-time ingestion of seaweed, crab, and shrimp.

    Xiao-Chun Le;W. R. Cullen;K. J. Reimer

  • Arsenic species that cause release of iron from ferritin and generation of activated oxygen.

    Sarfaraz Ahmad;Kirk T. Kitchin;William R. Cullen

  • Determination of monomethylarsonous acid, a key arsenic methylation intermediate, in human urine.

    X C Le;M Ma;W R Cullen;H V Aposhian

  • Unstable trivalent arsenic metabolites, monomethylarsonous acid and dimethylarsinous acid

    Zhilong Gong;Xiufen Lu;William R. Cullen;X. Chris Le

  • The Predominance of Inorganic Arsenic Species in Plants from Yellowknife, Northwest Territories, Canada

    Iris Koch;Lixia Wang;Chris A. Ollson;William R. Cullen

  • Evidence of hemoglobin binding to arsenic as a basis for the accumulation of arsenic in rat blood.

    Meiling Lu;Hailin Wang;Xing Fang Li;Xiufen Lu

  • Arsenicals inhibit thioredoxin reductase in cultured rat hepatocytes.

    S. Lin;L. M. Del Razo;L. M. Del Razo;M. Styblo;C. Wang

  • Human Urinary Arsenic ExcretionAfter One-Time Ingestionof Seaweed, Crab, and Shrimp

    Xiao-Chun Le;William R. Cullen;Kenneth J. Reimer

Frequent Co-Authors

Kenneth J. Reimer
Kenneth J. Reimer Royal Military College of Canada
Steven J. Rettig
Steven J. Rettig University of British Columbia
Brian R. James
Brian R. James University of British Columbia
Jörg Feldmann
Jörg Feldmann University of Aberdeen
X. Chris Le
X. Chris Le University of Alberta
Michael D. Fryzuk
Michael D. Fryzuk University of British Columbia
Laurance D. Hall
Laurance D. Hall University of Cambridge
James Trotter
James Trotter University of British Columbia
Xing-Fang Li
Xing-Fang Li University of Alberta
David J. Thomas
David J. Thomas Environmental Protection Agency

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