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D-Index & Metrics

Biology and Biochemistry

D-Index
55
Citations
9568
World Ranking
15183
National Ranking
6348

James Allen Olson 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 James Allen Olson 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: 200 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

James Allen Olson 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 James Allen Olson 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: 55 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1966 - Fellow of the American Association for the Advancement of Science (AAAS)
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering
  • The Canadian Academy of Engineering

Overview

James Allen Olson was affiliated with Iowa State University in the United States. Their academic career included contributions to the engineering and scientific communities with recognition that extended beyond their institutional affiliation.

During their lifetime, Olson received notable distinctions including election as a Fellow of the American Association for the Advancement of Science (AAAS) in 1966. They were also associated with The Canadian Academy of Engineering, highlighting their engagement with broader engineering networks.

Their scholarly output did not include recorded recent papers, frequent co-authors, or recurring publication venues based on the available data. Consequently, there is no detailed bibliography or specific collaborative patterns to outline.

Similarly, there is no provided data on book publications, main fields or subfields of study, or main topics of research that would allow further elaboration on their academic focus or scientific impact.

Despite the absence of detailed publication and research topic records, Olson's fellowship with prominent professional organizations indicates a recognized level of professional achievement and contribution to their field.

Best Publications

  • Biological actions of carotenoids.

    Adrianne Bendich;James Allen Olson

  • Provitamin A Function of Carotenoids: The Conversion of β-Carotene into Vitamin A

    James Allen Olson

  • Intestinal absorption, serum clearance, and interactions between lutein and beta-carotene when administered to human adults in separate or combined oral doses.

    D Kostic;W S White;J A Olson

  • Serum Levels of Vitamin A and Carotenoids as Reflectors of Nutritional Status

    James A. Olson

  • Introduction: the colorful, fascinating world of the carotenoids: important physiologic modulators.

    James Allen Olson;Norman I. Krinsky

  • Vitamin A concentrations in liver determined by isotope dilution assay with tetradeuterated vitamin A and by biopsy in generally healthy adult humans.

    H.C. Furr;O. Amedee-Manesme;A.J. Clifford;H.R. d. Bergen

  • Bioactivities of N-(4-hydroxyphenyl) retinamide and retinoyl beta-glucuronide.

    Franca Formelli;Arun B. Barua;James Allen Olson

  • The purification and properties of yeast isocitric lyase.

    James Allen Olson

  • Enzymatic formation of 9-cis, 13-cis, and all-trans retinals from isomers of beta-carotene.

    Akihiko Nagao;James Allen Olson

  • New simplified procedures for the extraction and simultaneous high-performance liquid chromatographic analysis of retinol, tocopherols and carotenoids in human serum

    Arun B. Barua;Dragana Kostic;James A. Olson

  • Benefits and liabilities of vitamin A and carotenoids.

    James Allen Olson

  • Action of bile salts on the metabolism and transport of water-soluble nutrients by perfused rat jejunum in vitro

    J.L. Pope;T.M. Parkinson;J.A. Olson

  • Biological actions of carotenoids.

    James Allen Olson

  • Retinoyl beta-glucuronide: an endogenous compound of human blood.

    Arun B Barua;James A Olson

  • β-Carotene Is Converted Primarily to Retinoids in Rats In Vivo

    Arun B. Barua;James A. Olson

  • Reversed-phase gradient high-performance liquid chromatographic procedure for simultaneous analysis of very polar to nonpolar retinoids, carotenoids and tocopherols in animal and plant samples

    Arun B Barua;James A Olson

  • Retinoyl Beta-Glucuronic Acid: A Major Metabolite of Vitamin A in Rat Bile

    Percy E. Dunagin;E. Harris Meadows;James Allen Olson

  • A comparison of retinene reductase and alcohol dehydrogenase of rat liver.

    Richard D. Zachman;James Allen Olson

  • Formation and enterohepatic circulation of metabolites of retinol and retinoic acid in bile duct-cannulated rats.

    R.D. Zachman;P.E. Dunagin;J.A. Olson

  • Stoichiometric conversion of all trans-beta-carotene to retinal by pig intestinal extract.

    Akihiko Nagao;Alexandrine During;Chimaki Hoshino;Junji Terao

Frequent Co-Authors

Konstantin Matchev
Konstantin Matchev University of Alabama
Guenakh Mitselmakher
Guenakh Mitselmakher University of Florida

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