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Kjell Johansen

Kjell Johansen

Aarhus University
Denmark

D-Index & Metrics

Biology and Biochemistry

D-Index
66
Citations
11662
World Ranking
8884
National Ranking
86

Kjell Johansen 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 Kjell Johansen 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: 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.

Kjell Johansen 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 Kjell Johansen 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: 66 D-Index — 57th percentile

57% of scientists in this discipline score the same or lower.

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

Overview

Kjell Johansen is affiliated with Aarhus University in Denmark, contributing to research primarily within Medicine and Immunology and Microbiology. Their work spans various subfields including Immunology, Oncology, Infectious Diseases, Molecular Biology, and Immunology and Allergy.

The research topics covered by Johansen are diverse, focusing on:

  • CAR-T cell therapy research
  • T-cell and B-cell Immunology
  • Immune Cell Function and Interaction
  • SARS-CoV-2 and COVID-19 Research
  • CRISPR and Genetic Engineering
  • Cell Adhesion Molecules Research
  • Monoclonal and Polyclonal Antibodies Research

They have contributed to several recent papers including:

  • "In vivo CRISPR screens reveal a HIF-1α-mTOR-network regulates T follicular helper versus Th1 cells," 2022, Nature Communications
  • "Tetherin antagonism by SARS-CoV -2 ORF3a and spike protein enhances virus release," 2023, EMBO Reports
  • "A CRISPR screen targeting PI3K effectors identifies RASA3 as a negative regulator of LFA-1-mediated adhesion in T cells," 2022, Science Signaling
  • "PI3K in T Cell Adhesion and Trafficking," 2021, Frontiers in Immunology
  • "Mind the GAP: RASA2 and RASA3 GTPase-activating proteins as gatekeepers of T cell activation and adhesion," 2023, Trends in Immunology

Johansen has collaborated frequently with the following coauthors:

  • Klaus Okkenhaug
  • Pamela L. Schwartzberg
  • Sine Reker Hadrup
  • Dominic P. Golec
  • Maria Ormhøj

The majority of their publications appear in notable venues such as bioRxiv (Cold Spring Harbor Laboratory), EMBO Reports, Nature Communications, Science Signaling, and Frontiers in Immunology.

Best Publications

  • REGIONAL DISTRIBUTION OF CIRCULATING BLOOD DURING SUBMERSION ASPHYXIA IN THE DUCK.

    Kjell Johansen

  • Adaptation to hypoxia by increased HbO 2 affinity and decreased red cell ATP concentration.

    Stephen C. Wood;Kjell Johansen

  • Gas transport and oxygen storage capacity in some pinnipeds and the sea otter.

    Claude Lenfant;Kjell Johansen;John D. Torrance

  • Respiration in a primitive air breather, Amia calva.

    Kjell Johansen;David Hanson;Claude Lenfant

  • Respiration in the Crab, Cancer magister

    Kjell Johansen;Claude Lenfant;T. Anthony Mecklenburg

  • An automated swimming respirometer

    J.F Steffensen;K Johansen;P.G Bushnell

  • Respiration in the African lungfish Protopterus aethiopicus. I. Respiratory properties of blood and normal patterns of breathing and gas exchange.

    Claude Lenfant;Kjell Johansen

  • Gravitational haemodynamics and oedema prevention in the giraffe

    Alan R. Hargens;Alan R. Hargens;Ronald W. Millard;Knut Pettersson;Kjell Johansen

  • Blood respiratory properties of rainbow trout (Salmo gairdneri) kept in water of high CO2 tension.

    F.B. Eddy;J.P. Lomholt;Roy E. Weber;K. Johansen

  • Physiological properties of eel haemoglobin: hypoxic acclimation, phosphate effects and multiplicity

    Roy E. Weber;Gunnar Lykkeboe;Kjell Johansen

  • Respiratory adaptations in selected amphibians.

    Claude Lenfant;Kjell Johansen

  • Circulation and respiration in lungfishes (Dipnoi)

    Warren W. Burggren;Kjell Johansen

  • OXYGEN CONSUMPTION AND SWIMMING PERFORMANCE IN HYPOXIA-ACCLIMATED RAINBOW TROUT SALMO GAIRDNERI

    P. G. Bushnell;J. F. Steffensen;K. Johansen

  • Respiratory Function in the South American Lungfish, Lepidosiren Paradoxa (Fitz)

    Kjell Johansen;Claude Lenfant

  • Aortic blood flow and cardiac output in the hemoglobin-free fish Chaenocephalus aceratus.

    Edvard A. Hemmingsen;Everett L. Douglas;Kjell Johansen;Ronald W. Millard

  • Respiratory control in the lungfish, Neoceratodus forsteri (krefft)

    Kjell Johansen;Kjell Johansen;Claude Lenfant;Claude Lenfant;Gordon C Grigg;Gordon C Grigg

  • A companion to Animal physiology

    C. Richard Taylor;Kjell Johansen;Liana Bolis

  • Respiration in the African lungfish Protopterus aethiopicus. II. Control of breathing.

    Kjell Johansen;Claude Lenfant

  • Respiratory function in the elasmobranch Squalus suckleyi G.

    C. Lenfant;C. Lenfant;K. Johansen;K. Johansen

  • Ventricular Haemodynamics in the Monitor Lizard Varanus Exanthematicus: Pulmonary and Systemic Pressure Separation

    Warren Burggren;Kjell Johansen

Frequent Co-Authors

Roy E. Weber
Roy E. Weber Aarhus University
Warren W. Burggren
Warren W. Burggren University of North Texas
Claus Bech
Claus Bech Norwegian University of Science and Technology
John F. Steffensen
John F. Steffensen University of Copenhagen
Gordon C. Grigg
Gordon C. Grigg University of Queensland
Alan R. Hargens
Alan R. Hargens University of California, San Diego
Roger S. Seymour
Roger S. Seymour University of Adelaide
Peter W. Hochachka
Peter W. Hochachka University of British Columbia
Janet M. Storey
Janet M. Storey Carleton University
Gary D. Housley
Gary D. Housley University of New South Wales

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Best Scientists Citing Kjell Johansen

Tobias Wang

Tobias Wang

Aarhus University

Publications: 83

Roy E. Weber

Roy E. Weber

Aarhus University

Publications: 78

Chris M. Wood

Chris M. Wood

University of British Columbia

Publications: 70

John F. Steffensen

John F. Steffensen

University of Copenhagen

Publications: 61

Anthony P. Farrell

Anthony P. Farrell

University of British Columbia

Publications: 53

Patrick J. Butler

Patrick J. Butler

University of Birmingham

Publications: 44

Warren W. Burggren

Warren W. Burggren

University of North Texas

Publications: 42

James W. Hicks

James W. Hicks

University of Southern California

Publications: 35

David R. Jones

David R. Jones

University of British Columbia

Publications: 35

Roger S. Seymour

Roger S. Seymour

University of Adelaide

Publications: 30

David J. McKenzie

David J. McKenzie

University of Montpellier

Publications: 29

Steve F. Perry

Steve F. Perry

University of Ottawa

Publications: 28

David J. Randall

David J. Randall

University of British Columbia

Publications: 26

Craig E. Franklin

Craig E. Franklin

University of Queensland

Publications: 24

Luiz G.S. Branco

Luiz G.S. Branco

Universidade de São Paulo

Publications: 24

Yuen K. Ip

Yuen K. Ip

National University of Singapore

Publications: 22

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