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Thomas B. Knudsen

D-Index & Metrics

Biology and Biochemistry

D-Index
58
Citations
14266
World Ranking
13043
National Ranking
5562

Thomas B. Knudsen 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 Thomas B. Knudsen 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: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 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: 418 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: 197 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: 60 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: 189 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Thomas B. Knudsen 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 Thomas B. Knudsen sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 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: 72 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: 58 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Thomas B. Knudsen is affiliated with the Environmental Protection Agency in the United States. Their research primarily focuses on biochemistry, genetics, and molecular biology, with a notable emphasis on molecular biology as a key subfield. Their work also spans pediatrics, perinatology and child health, small animals, biomedical engineering, and biochemistry.

Their scholarly contributions address several main topics that include:

  • Pluripotent Stem Cells Research
  • Animal testing and alternatives
  • Retinoids in leukemia and cellular processes
  • 3D Printing in Biomedical Research
  • Pharmaceutical studies and practices
  • Antioxidant Activity and Oxidative Stress
  • Estrogen and related hormone effects

Knudsen has published extensively in various scientific venues. The most frequent venues for their publications are:

  • Birth Defects Research
  • OPAL (Open@LaTrobe) (La Trobe University)
  • Reproductive Toxicology
  • Toxicological Sciences
  • Current Research in Toxicology

Their recent papers reflect a focus on developmental toxicity, systemic toxicity prediction, neural tube closure, and the transition from animal models to new testing methods. Notable recent publications include:

  • FutureTox IV Workshop Summary: Predictive Toxicology for Healthy Children (2021, Toxicological Sciences)
  • Profiling the ToxCast Library With a Pluripotent Human (H9) Stem Cell Line-Based Biomarker Assay for Developmental Toxicity (2020, Toxicological Sciences)
  • New ideas for non-animal approaches to predict repeated-dose systemic toxicity: Report from an EPAA Blue Sky Workshop (2020, Regulatory Toxicology and Pharmacology)
  • An ontology for developmental processes and toxicities of neural tube closure (2020, Reproductive Toxicology)
  • Protecting Human and Animal Health: The Road from Animal Models to New Approach Methods (2024, Pharmacological Reviews)

Collaborative efforts are reflected in their frequent co-authorship with several researchers, including:

  • Nicole Kleinstreuer
  • Nancy Baker
  • Kristin Artinger
  • Sue Marty
  • Sonja A. Rasmussen

Best Publications

  • Translocator protein (18kDa): new nomenclature for the peripheral-type benzodiazepine receptor based on its structure and molecular function.

    Vassilios Papadopoulos;Mario Baraldi;Tomás R. Guilarte;Thomas B. Knudsen

  • Biological stress response terminology: Integrating the concepts of adaptive response and preconditioning stress within a hormetic dose-response framework

    Edward J. Calabrese;Kenneth A. Bachmann;A. John Bailer;P. Michael Bolger

  • In Vitro Screening of Environmental Chemicals for Targeted Testing Prioritization: The ToxCast Project

    Richard S. Judson;Keith A. Houck;Robert J. Kavlock;Thomas B. Knudsen

  • ToxCast Chemical Landscape: Paving the Road to 21st Century Toxicology

    Ann M. Richard;Richard S. Judson;Keith A. Houck;Christopher M. Grulke

  • Update on EPA’s ToxCast Program: Providing High Throughput Decision Support Tools for Chemical Risk Management

    Robert Kavlock;Kelly Chandler;Keith Houck;Sid Hunter

  • The Next Generation Blueprint of Computational Toxicology at the U.S. Environmental Protection Agency

    Russell S Thomas;Tina Bahadori;Timothy J Buckley;John Cowden

  • Endocrine profiling and prioritization of environmental chemicals using ToxCast data.

    David M. Reif;Matthew T. Martin;Shirlee W. Tan;Keith A. Houck

  • Zebrafish developmental screening of the ToxCast™ Phase I chemical library.

    S. Padilla;D. Corum;B. Padnos;D.L. Hunter

  • Zebrafish: as an integrative model for twenty-first century toxicity testing.

    Nisha S. Sipes;Nisha S. Sipes;Stephanie Padilla;Thomas B. Knudsen

  • Integrated Model of Chemical Perturbations of a Biological Pathway Using 18 In Vitro High Throughput Screening Assays for the Estrogen Receptor

    Richard S. Judson;Felicia Maria Magpantay;Vijay Chickarmane;Cymra Haskell

  • High-Throughput Models for Exposure-Based Chemical Prioritization in the ExpoCast Project

    John F. Wambaugh;R. Woodrow Setzer;David M. Reif;Sumit Gangwal

  • Editor's Highlight: Analysis of the Effects of Cell Stress and Cytotoxicity on In Vitro Assay Activity Across a Diverse Chemical and Assay Space.

    Richard Judson;Keith Houck;Matt Martin;Ann M. Richard

  • A roadmap for the development of alternative (non-animal) methods for systemic toxicity testing.

    David A. Basketter;Harvey Clewell;Ian Kimber;Annamaria Rossi

  • Estimating toxicity-related biological pathway altering doses for high-throughput chemical risk assessment.

    Richard S Judson;Robert J Kavlock;R Woodrow Setzer;Elaine A Cohen Hubal

  • Analysis of Eight Oil Spill Dispersants Using Rapid, In Vitro Tests for Endocrine and Other Biological Activity

    Richard S. Judson;Matthew T. Martin;David M. Reif;Keith A. Houck

  • Profiling 976 ToxCast chemicals across 331 enzymatic and receptor signaling assays.

    Nisha Schuler Sipes;Matthew Thomas Martin;Parth Kothiya;David M. Reif

  • Predictive Models of Prenatal Developmental Toxicity from ToxCast High-Throughput Screening Data

    Nisha S. Sipes;Matthew T. Martin;David M. Reif;Nicole C. Kleinstreuer

  • Phenotypic screening of the ToxCast chemical library to classify toxic and therapeutic mechanisms

    Nicole C Kleinstreuer;Jian Yang;Ellen L Berg;Thomas B Knudsen

  • Reprogramming of genetic networks during initiation of the Fetal Alcohol Syndrome

    Maia L. Green;Maia L. Green;Amar V. Singh;Amar V. Singh;Yihzi Zhang;Kimberly A. Nemeth

  • Consensus report on the future of animal-free systemic toxicity testing.

    Marcel Leist;Nina Hasiwa;Costanza Rovida;Mardas Daneshian

Frequent Co-Authors

Aldert H. Piersma
Aldert H. Piersma Centre for Health Protection
Kevin M. Crofton
Kevin M. Crofton R3Fellows LLC
Menghang Xia
Menghang Xia National Institutes of Health
Thomas Hartung
Thomas Hartung Johns Hopkins University
Ruili Huang
Ruili Huang National Institutes of Health
Linda F. Thompson
Linda F. Thompson Oklahoma Medical Research Foundation
Marcel Leist
Marcel Leist University of Konstanz
Michael R. Blackburn
Michael R. Blackburn The University of Texas Health Science Center at Houston
Jan-Åke Gustafsson
Jan-Åke Gustafsson University of Houston
David A. Basketter
David A. Basketter University of Bedfordshire

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Related Online Degrees & Career Pathways

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Additionally, those interested in strategic or executive healthcare roles may pursue a doctorate in healthcare management. These programs prepare graduates for high-level positions in policy, administration, and academic research, matching perfectly with the evolving landscape of healthcare careers.

Best Scientists Citing Thomas B. Knudsen

Vassilios Papadopoulos

Vassilios Papadopoulos

University of Southern California

Publications: 108

Thomas Hartung

Thomas Hartung

Johns Hopkins University

Publications: 88

Aldert H. Piersma

Aldert H. Piersma

Centre for Health Protection

Publications: 57

Edward J. Calabrese

Edward J. Calabrese

University of Massachusetts Amherst

Publications: 57

Marcel Leist

Marcel Leist

University of Konstanz

Publications: 49

Beate I. Escher

Beate I. Escher

Helmholtz Centre for Environmental Research

Publications: 49

Melvin E. Andersen

Melvin E. Andersen

Research Triangle Park Foundation

Publications: 40

Michael Kassiou

Michael Kassiou

University of Sydney

Publications: 36

Ivan Rusyn

Ivan Rusyn

Texas A&M University

Publications: 33

Claudia Martini

Claudia Martini

University of Pisa

Publications: 29

Mark T. D. Cronin

Mark T. D. Cronin

Liverpool John Moores University

Publications: 29

Michael R. Blackburn

Michael R. Blackburn

The University of Texas Health Science Center at Houston

Publications: 29

Daniel L. Villeneuve

Daniel L. Villeneuve

Environmental Protection Agency

Publications: 29

Frédéric Dollé

Frédéric Dollé

French Alternative Energies and Atomic Energy Commission (CEA)

Publications: 28

Gerald T. Ankley

Gerald T. Ankley

Environmental Protection Agency

Publications: 26

Moshe Gavish

Moshe Gavish

Technion – Israel Institute of Technology

Publications: 25

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