World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
93
Citations
28923
World Ranking
10967
National Ranking
5639

John D. Groopman publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where John D. Groopman sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 387 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

John D. Groopman D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where John D. Groopman sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 93 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

John D. Groopman is affiliated with Johns Hopkins University in the United States and has contributed extensively to the fields of medicine and agricultural and biological sciences. Their research spans multiple subfields, including plant science, epidemiology, health, toxicology and mutagenesis, pathology and forensic medicine, and hepatology.

The scientist's work frequently addresses topics related to mycotoxins in agriculture and food, liver disease diagnosis and treatment, carcinogens and genotoxicity assessment, child nutrition and water access, air quality and health impacts, alcohol consumption and health effects, as well as wheat and barley genetics and pathology.

Recent papers authored or co-authored by John D. Groopman include the following:

  • The association of sex steroid hormone concentrations with non-alcoholic fatty liver disease and liver enzymes in US men (2020, Liver International)
  • Aflatoxin and the aetiology of liver cancer and its implications for Guatemala (2021, World Mycotoxin Journal)
  • Associations between Helicobacter pylori with nonalcoholic fatty liver disease and other metabolic conditions in Guatemala (2020, Helicobacter)
  • Aflatoxin exposure was not associated with childhood stunting: results from a birth cohort study in a resource-poor setting of Dhaka, Bangladesh (2020, Public Health Nutrition)
  • Liver cancer mortality over six decades in an epidemic area: what we have learned (2021, PeerJ)

Frequent co-authors collaborating with John D. Groopman are:

  • Katherine A. McGlynn
  • Manuel Ramírez-Zea
  • Joshua W. Smith
  • Christian S. Álvarez
  • Alvaro Rivera-Andrade

The scientist's publications often appear in these venues, with multiple contributions to each:

  • Alimentary Pharmacology & Therapeutics
  • Current Developments in Nutrition
  • Toxins
  • Chemical Research in Toxicology
  • SSRN Electronic Journal

Best Publications

  • A follow-up study of urinary markers of aflatoxin exposure and liver cancer risk in Shanghai, People's Republic of China.

    Geng Sun Qian;Ronald K. Ross;Mimi C. Yu;Jian Min Yuan

  • SOCS-1, a negative regulator of the JAK/STAT pathway, is silenced by methylation in human hepatocellular carcinoma and shows growth-suppression activity.

    Hirohide Yoshikawa;Kenichi Matsubara;Geng Sun Qian;Peta Jackson

  • Urinary aflatoxin biomarkers and risk of hepatocellular carcinoma

    R. K. Ross;M. C. Yu;B. E. Henderson;J. M. Yuan

  • Aflatoxin: a 50-year odyssey of mechanistic and translational toxicology.

    Thomas W. Kensler;Bill D. Roebuck;Gerald N. Wogan;John D. Groopman

  • The toxicology of aflatoxins: human health, veterinary and agricultural significance.

    David L. Eaton;John D. Groopman

  • Workgroup Report: Public Health Strategies for Reducing Aflatoxin Exposure in Developing Countries

    Heather Strosnider;Eduardo Azziz-Baumgartner;Marianne Bänziger;Ramesh V. Bhat

  • Public Health Impacts of Foodborne Mycotoxins

    Felicia Wu;John D. Groopman;James J. Pestka

  • DNA damage by mycotoxins.

    Jia Sheng Wang;John D. Groopman

  • Chlorophyllin intervention reduces aflatoxin-DNA adducts in individuals at high risk for liver cancer.

    Patricia A. Egner;Jin Bing Wang;Yuan Rong Zhu;Bao Chu Zhang

  • Keap1-nrf2 signaling: a target for cancer prevention by sulforaphane.

    Thomas W. Kensler;Thomas W. Kensler;Patricia A. Egner;Abena S. Agyeman;Kala Visvanathan

  • Protective Alterations in Phase 1 and 2 Metabolism of Aflatoxin B1 by Oltipraz in Residents of Qidong, People's Republic of China

    Jia Sheng Wang;Xinnan Shen;Xia He;Yuan Rog Zhu

  • Selective targeting of p53 gene mutational hotspots in human cancers by etiologically defined carcinogens.

    Alain Puisieux;Susan Lim;John Groopman;Mehmet Ozturk

  • Aflatoxin Exposure in Human Populations: Measurements and Relationship to Cancer

    John D. Groopman;Lawrence G. Cain;Thomas W. Kensler

  • Protective interventions to prevent aflatoxin-induced carcinogenesis in developing countries.

    John D. Groopman;Thomas W. Kensler;Christopher P. Wild

  • Role of phase 2 enzyme induction in chemoprotection by dithiolethiones

    Mi Kyoung Kwak;Patricia A. Egner;Patrick M. Dolan;Minerva Ramos-Gomez

  • Potent protection against aflatoxin-induced tumorigenesis through induction of Nrf2-regulated pathways by the triterpenoid 1-[2-cyano-3-,12-dioxooleana-1, 9(11)-dien-28-oyl]imidazole

    Melinda S. Yates;Mi Kyoung Kwak;Patricia A. Egner;John D. Groopman

  • Molecular Dosimetry of Urinary Aflatoxin-DNA Adducts in People Living in Guangxi Autonomous Region, People's Republic of China

    John D. Groopman;Zhu Jiaqi;Paul R. Donahue;Anthony Pikul

  • Effects of Glucosinolate-Rich Broccoli Sprouts on Urinary Levels of Aflatoxin-DNA Adducts and Phenanthrene Tetraols in a Randomized Clinical Trial in He Zuo Township, Qidong, People's Republic of China

    Thomas W. Kensler;Jian Guo Chen;Patricia A. Egner;Jed W. Fahey

  • Simian virus 40 large tumor antigen-immortalized normal human liver epithelial cells express hepatocyte characteristics and metabolize chemical carcinogens

    A M Pfeifer;K E Cole;D T Smoot;A Weston

  • Serum albumin adducts in the molecular epidemiology of aflatoxin carcinogenesis: correlation with aflatoxin B1 intake and urinary excretion of aflatoxin M1

    Liang Shang Gan;Paul L. Skipper;Xiaocong Peng;John D. Groopman

Frequent Co-Authors

Thomas W. Kensler
Thomas W. Kensler Johns Hopkins University
Alvaro Muñoz
Alvaro Muñoz Johns Hopkins University
Lisa P. Jacobson
Lisa P. Jacobson Johns Hopkins University
Robert N. Cole
Robert N. Cole Johns Hopkins University School of Medicine
Keith P. West
Keith P. West Johns Hopkins University
Thomas R. Sutter
Thomas R. Sutter University of Memphis
Stephen J. Gange
Stephen J. Gange Johns Hopkins University
J. David Miller
J. David Miller Carleton University

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