World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
64
Citations
16484
World Ranking
9571
National Ranking
4225

Gerald F. Combs publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Gerald F. Combs sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 347 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Gerald F. Combs D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Gerald F. Combs sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 64 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Gerald F. Combs is affiliated with Cornell University in the United States and has contributed extensively to research in medicine, nursing, and biochemistry, genetics, and molecular biology. Their work emphasizes nutritional science, trace elements, and metabolic disorders with a focus on selenium and its role in biological systems.

Their recent publications exhibit a particular concentration on selenium across various biological contexts and its impact on health outcomes. Notable papers include:

  • "Dietary Selenium Across Species," 2022, Annual Review of Nutrition
  • "Association of maternal prenatal selenium concentration and preterm birth: a multicountry meta-analysis," 2021, BMJ Global Health
  • "Perspective: Nutritional Status as a Biological Variable (NABV): Integrating Nutrition Science into Basic and Clinical Research and Care," 2021, Advances in Nutrition
  • "Selenium status and type 2 diabetes risk," 2022, Archives of Biochemistry and Biophysics
  • "Selenium Kinetics in Humans Change Following 2 Years of Supplementation With Selenomethionine," 2021, Frontiers in Endocrinology

The scientist frequently collaborates with researchers such as James P. McClung, Per Ashorn, Nagendra Monangi, Elizabeth Belling, and Tahmeed Ahmed. These collaborations have contributed to a breadth of studies primarily within nutritional and clinical biochemistry domains.

Gerald F. Combs's publications often appear in well-established venues including the American Journal of Clinical Nutrition, UNC Libraries, SSRN Electronic Journal, Frontiers in Nutrition, and Current Developments in Nutrition. Their work is disseminated through journals that focus on clinical nutrition, public health, and biochemical research.

Their main fields of study cover:

  • Medicine
  • Nursing
  • Biochemistry, Genetics and Molecular Biology

Within these fields, subfields of interest include:

  • Nutrition and Dietetics
  • Public Health, Environmental and Occupational Health
  • Clinical Biochemistry
  • Neurology
  • Biochemistry

Their research addresses core topics such as:

  • Selenium in Biological Systems
  • Trace Elements in Health
  • Metabolism and Genetic Disorders
  • Vitamin C and Antioxidants Research
  • Heavy Metal Exposure and Toxicity
  • Nutritional Studies and Diet
  • Alcoholism and Thiamine Deficiency

The breadth of Gerald F. Combs's work reflects a consistent focus on understanding the biochemical and nutritional factors influencing human health, particularly through the lens of micronutrients and metabolism.

Best Publications

  • Effects of Selenium Supplementation for Cancer Prevention in Patients With Carcinoma of the Skin: A Randomized Controlled Trial

    Larry C. Clark;Gerald F. Combs;Bruce W. Turnbull;Elizabeth H. Slate

  • The Vitamins : Fundamental Aspects in Nutrition and Health

    Gerald F. Combs

  • Selenium in global food systems.

    Gerald F. Combs

  • Chemopreventive agents: selenium.

    Gerald F. Combs;William P. Gray

  • Effects of long-term selenium supplementation on the incidence of type 2 diabetes: a randomized trial.

    Saverio Stranges;James R. Marshall;Raj Natarajan;Richard P. Donahue

  • Baseline characteristics and the effect of selenium supplementation on cancer incidence in a randomized clinical trial: a summary report of the Nutritional Prevention of Cancer Trial.

    Anna J Duffield-Lillico;Mary E Reid;Bruce W Turnbull;Gerald F Combs

  • Selenium as an anticancer nutrient: roles in cell proliferation and tumor cell invasion.

    Huawei Zeng;Gerald F. Combs

  • Biomarkers of selenium status.

    Gerald F Combs

  • Selenium supplementation and secondary prevention of nonmelanoma skin cancer in a randomized trial.

    Anna J. Duffield-Lillico;Elizabeth H. Slate;Mary E. Reid;Bruce W. Turnbull

  • Effects of high-protein diets on fat-free mass and muscle protein synthesis following weight loss: a randomized controlled trial

    Stefan M. Pasiakos;Jay J. Cao;Lee M. Margolis;Edward R. Sauter

  • The Nutritional Biochemistry of Selenium

    G F Combs;S B Combs

  • Vitamin E and selenium interrelations in the diet of Atlantic salmon (Salmo salar): gross, histological and biochemical deficiency signs

    Hugh A. Poston;Gerald F. Combs;Louis Leibovitz

  • An analysis of cancer prevention by selenium

    G. F. Combs;L. C. Clark;B. W. Turnbull

  • Serum Selenium and Subsequent Risk of Prostate Cancer

    Abraham M. Y. Nomura;James Lee;Grant N. Stemmermann;Gerald F. Combs

  • Cellular Glutathione Peroxidase Is the Mediator of Body Selenium To Protect against Paraquat Lethality in Transgenic Mice

    Wen-Hsing Cheng;Ye-Shih Ho;Beth A. Valentine;Deborah A. Ross

  • Selenium and anticarcinogenesis: underlying mechanisms.

    Matthew I Jackson;Gerald F Combs

  • Current Evidence and Research Needs to Support a Health Claim for Selenium and Cancer Prevention

    Gerald F. Combs

  • Mechanisms of action of selenium and vitamin E in protection of biological membranes.

    G.F. Combs;T. Noguchi;M.L. Scott

  • Mechanistic aspects of the interaction between selenium and arsenic.

    Huawei Zeng;Eric O. Uthus;Gerald F. Combs

  • Cellular Glutathione Peroxidase Knockout Mice Express Normal Levels of Selenium-Dependent Plasma and Phospholipid Hydroperoxide Glutathione Peroxidases in Various Tissues

    Wen-Hsing Cheng;Ye-Shih Ho;Deborah A. Ross;Beth A. Valentine

Frequent Co-Authors

Bruce W. Turnbull
Bruce W. Turnbull Cornell University
James R. Marshall
James R. Marshall Roswell Park Cancer Institute
Xin Gen Lei
Xin Gen Lei Cornell University
Dil Thavarajah
Dil Thavarajah Clemson University
Rodney R. Dietert
Rodney R. Dietert Cornell University
David G. Bostwick
David G. Bostwick Bostwick Laboratories
Philip R. Taylor
Philip R. Taylor Cardiff University
Bradley A. Carlson
Bradley A. Carlson National Institutes of Health
Dolph L. Hatfield
Dolph L. Hatfield National Institutes of Health
Vadim N. Gladyshev
Vadim N. Gladyshev Brigham and Women's Hospital

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 Biology and Biochemistry opens the door to a wide array of online degrees and career pathways in healthcare and science. Many students start with medical assistant courses online, which offer a practical introduction to healthcare careers and can be completed flexibly.

For those interested in building upon medical assistant experience, the medical assistant to lpn bridge program online can provide a seamless transition into nursing roles. This pathway helps students expand their clinical skills and increase their job opportunities.

If your focus is on scientific research or advanced medical fields, you might consider online biology programs. These accelerated degrees are ideal for students looking to deepen their understanding of biology while balancing busy schedules.

Nursing is another in-demand field, and accredited options like online nursing programs enable students to earn their credentials from anywhere. No matter your interest, there are flexible online pathways available to support your career in biology, biochemistry, or healthcare.

Best Scientists Citing Gerald F. Combs

Trending Scientists

Recently Published Articles