World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
62
Citations
13186
World Ranking
10846
National Ranking
4705

Dennis R. Koop 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 Dennis R. Koop 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: 139 publications — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Dennis R. Koop 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 Dennis R. Koop 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: 62 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Dennis R. Koop is affiliated with Oregon Health & Science University in the United States. Their research primarily focuses on the field of Medicine, with notable contributions in pharmacology, surgery, epidemiology, pediatrics, perinatology and child health, and biochemistry. The scientist's work reflects an interdisciplinary approach involving pharmacological effects, biochemical processes, and clinical applications.

Koop's research topics span several specialized areas including:

  • Cannabis and Cannabinoid Research
  • Breastfeeding Practices and Influences
  • Prenatal Substance Exposure Effects
  • Biochemical Acid Research Studies
  • Bipolar Disorder and Treatment
  • Pharmacological Effects of Natural Compounds
  • Anesthesia and Pain Management

Their publication record comprises contributions to various journals, often collaborating with other researchers in their field. Frequent co-authors include Lisa A. Bleyle, Blair U. Bradford, Takeki Uehara, David W. Threadgill, and Igor P. Pogribny.

Notable venues where Koop's work has appeared include:

  • UNC Libraries
  • Pediatric Research
  • The Journal of Clinical Pharmacology
  • Anesthesia & Analgesia

Some of Koop's recent papers are:

  • Cannabis use and measurement of cannabinoids in plasma and breast milk of breastfeeding mothers, 2021, Pediatric Research
  • Gastrointestinal Tolerability and Absorption of R-Versus R,S-Lipoic Acid in Progressive Multiple Sclerosis: A Randomized Crossover Trial, 2020, The Journal of Clinical Pharmacology
  • Pharmacokinetics and Tolerability of Intraperitoneal Chloroprocaine After Fetal Extraction in Women Undergoing Cesarean Delivery, 2022, Anesthesia & Analgesia
  • Interstrain Differences in the Liver Effects of Trichloroethylene in a Multistrain Panel of Inbred Mice, 2020, UNC Libraries
  • Mechanism for Prevention of Alcohol-Induced Liver Injury by Dietary Methyl Donors, 2020, UNC Libraries

Best Publications

  • Oxidative and reductive metabolism by cytochrome P450 2E1.

    Dennis R. Koop

  • Purification and characterization of a unique isozyme of cytochrome P-450 from liver microsomes of ethanol-treated rabbits.

    D R Koop;E T Morgan;G E Tarr;M J Coon

  • Hydroxylation of p-nitrophenol by rabbit ethanol-inducible cytochrome P-450 isozyme 3a.

    D R Koop

  • On the stoichiometry of the oxidase and monooxygenase reactions catalyzed by liver microsomal cytochrome P-450. Products of oxygen reduction.

    L D Gorsky;D R Koop;M J Coon

  • Effects of the wine polyphenolics quercetin and resveratrol on pro-inflammatory cytokine expression in RAW 264.7 macrophages

    Teri L Wadsworth;Dennis R Koop

  • Identification of ethanol-inducible P-450 isozyme 3a as the acetone and acetol monooxygenase of rabbit microsomes.

    D R Koop;J P Casazza

  • Catalytic activity of cytochrome P-450 isozyme 3a isolated from liver microsomes of ethanol-treated rabbits. Oxidation of alcohols.

    E T Morgan;D R Koop;M J Coon

  • Metabolism of nitrosamines by purified rabbit liver cytochrome P-450 isozymes

    Chung S. Yang;Yityoong Y. Tu;Dennis R. Koop;Minor J. Coon

  • Immunochemical evidence for induction of the alcohol-oxidizing cytochrome P-450 of rabbit liver microsomes by diverse agents: ethanol, imidazole, trichloroethylene, acetone, pyrazole, and isoniazid.

    Dennis R. Koop;Becky L. Crump;Gerald D. Nordblom;Minor J. Coon

  • Formation of 19(S)-, 19(R)-, and 18(R)-hydroxyeicosatetraenoic acids by alcohol-inducible cytochrome P450 2E1

    Ronald M. Laethem;Michael Balazy;J R Falck;Carmen L. Laethem

  • Multiple mechanisms in the regulation of ethanol-inducible cytochrome P450IIE1

    Dennis R. Koop;Daniel J. Tierney

  • Steatohepatitis induced by intragastric overfeeding in mice

    Qing Gao Deng;Hongyun She;Jason H. Cheng;Samuel W. French;Samuel W. French

  • Role of cytochrome P-450 2E1 in ethanol-, carbon tetrachloride— and iron-dependent microsomal lipid peroxidation

    Tirso Castillo;Dennis R. Koop;Seiichiro Kamimura;George Triadafilopoulos

  • Regio- and stereoselective epoxidation of arachidonic acid by human cytochromes P450 2C8 and 2C9.

    B E Daikh;J M Lasker;J L Raucy;D R Koop

  • CYP2E1 is not involved in early alcohol-induced liver injury

    Hiroshi Kono;Blair U. Bradford;Ming Yin;Kathleen K. Sulik

  • Evidence that isoniazid and ethanol induce the same microsomal cytochrome P-450 in rat liver, an isozyme homologous to rabbit liver cytochrome P-450 isozyme 3a

    Dene E. Ryan;Dennis R. Koop;Paul E. Thomas;Minor J. Coon

  • Attenuation of CCl4-induced hepatic fibrosis by GdCl3 treatment or dietary glycine

    C. A. Rivera;B. U. Bradford;K. J. Hunt;Y. Adachi

  • A phase II study of sulforaphane-rich broccoli sprout extracts in men with recurrent prostate cancer.

    Joshi J. Alumkal;Rachel Slottke;Jacob Schwartzman;Ganesh Cherala

  • Effects of Ginkgo biloba extract (EGb 761) and quercetin on lipopolysaccharide-induced signaling pathways involved in the release of tumor necrosis factor-alpha.

    Teri L Wadsworth;Tasha L McDonald;Dennis R Koop

  • Effects of the wine polyphenolics quercetin and resveratrol on pro-inflammatory cytokine expression in RAW 264.7 macrophages - Ten years after

    Teri L. Wadsworth;Dennis R. Koop

Frequent Co-Authors

Minor J. Coon
Minor J. Coon University of Michigan–Ann Arbor
Edward T. Morgan
Edward T. Morgan Emory University
Hidekazu Tsukamoto
Hidekazu Tsukamoto University of Southern California
Michael C. Andresen
Michael C. Andresen Oregon Health & Science University
Stefan H. I. Kappe
Stefan H. I. Kappe University of Washington
David W. Threadgill
David W. Threadgill Texas A&M University
Ivan Rusyn
Ivan Rusyn Texas A&M University
Ronald G. Thurman
Ronald G. Thurman University of North Carolina at Chapel Hill
Peter R. Sinclair
Peter R. Sinclair Dartmouth College
Hong Liu
Hong Liu Shandong University

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