World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
60
Citations
10416
World Ranking
12166
National Ranking
5201

Terry E. Machen 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 Terry E. Machen 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: 172 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Terry E. Machen 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 Terry E. Machen 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: 60 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Terry E. Machen is affiliated with the University of California, Berkeley in the United States. Their research primarily focuses on medical sciences, with a particular emphasis on pulmonary and respiratory medicine. The scope of their work extends into infectious diseases and plant science, reflecting a diverse range of interests and expertise.

The scientist's main research topics include cystic fibrosis research advances, tracheal and airway disorders, antifungal resistance and susceptibility, nematode management and characterization studies, inhalation and respiratory drug delivery, and neonatal respiratory health research.

Recent publications by Terry E. Machen cover significant areas related to cystic fibrosis and airway epithelial studies:

  • Airway submucosal glands from cystic fibrosis swine suffer from abnormal ion transport across the serous acini, collecting duct, and ciliated duct, 2020, published in American Journal of Physiology-Lung Cellular and Molecular Physiology
  • Protective role of CFTR during fungal infection of cystic fibrosis bronchial epithelial cells with Aspergillus fumigatus, 2023, published in Frontiers in Cellular and Infection Microbiology
  • cAMP triggers Na+ absorption by distal airway surface epithelium in cystic fibrosis swine, 2021, published in Cell Reports
  • 161 Chloride recycling by CFTR and anion exchanger type 2 contributes to pulmonary ionocyte function in human airway epithelia, 2023, published in Journal of Cystic Fibrosis

Their frequent co-authors include Xiaojie Luan, Juan P. Ianowski, Julian S. Tam, Santosh Jagadeeshan, and Alan Shipley, indicating collaboration primarily in pulmonary and cystic fibrosis research contexts.

Publications by Terry appear in several recognized venues such as Frontiers in Cellular and Infection Microbiology, American Journal of Physiology-Lung Cellular and Molecular Physiology, Cell Reports, and Journal of Cystic Fibrosis, demonstrating engagement with journals relevant to respiratory and infectious disease research.

Best Publications

  • Bicarbonate conductance and pH regulatory capability of cystic fibrosis transmembrane conductance regulator

    Jorgen Hedemark Poulsen;Horst Fischer;Beate Illek;Terry E. Machen

  • Ultrastructural Changes in Oxyntic Cells Associated with Secretory Function: A Membrane-Recycling Hypothesis

    Trudy M. Forte;Terry E. Machen;John G. Forte

  • Mechanisms of pH regulation in the regulated secretory pathway.

    Minnie M. Wu;Michael Grabe;Stephen Adams;Roger Y. Tsien

  • Chloride cells and the hormonal control of teleost fish osmoregulation

    J K Foskett;H A Bern;T E Machen;M Conner

  • Technique for in situ measurement of calcium in intracellular inositol 1,4,5-trisphosphate-sensitive stores using the fluorescent indicator mag-fura-2

    Aldebaran M. Hofer;Terry E. Machen

  • PERMEABLE JUNCTIONAL COMPLEXES: The Movement of Lanthanum across Rabbit Gallbladder and Intestine

    Terry E. Machen;David Erlij;F. B. P. Wooding

  • Organelle pH studies using targeted avidin and fluorescein-biotin.

    Minnie M Wu;Juan Llopis;Stephen Adams;J Michael McCaffery;J Michael McCaffery

  • Differentiation of the Chloride Extrusion Mechanism During Seawater Adaptation of a Teleost Fish, The Cichlid Sarotherodon Mossambicus

    J. Kevin Foskett;Craig D. Logsdon;Timothy Turner;Terry E. Machen

  • Innate immune response in CF airway epithelia: hyperinflammatory?

    Terry E. Machen

  • cAMP-independent activation of CFTR Cl channels by the tyrosine kinase inhibitor genistein

    B. Illek;H. Fischer;G. F. Santos;Jonathan Widdicombe

  • Intracellular ion activities and membrane transport in parietal cells measured with fluorescent dyes.

    Paul A. Negulescu;Terry E. Machen

  • Na+-H+ exchange in gastric glands as measured with a cytoplasmic-trapped, fluorescent pH indicator

    Anthony M. Paradiso;Roger Y. Tsien;Terry E. Machen

  • Glucocorticoid-induced formation of tight junctions in mouse mammary epithelial cells in vitro.

    Karen Singer Zettl;Michael D. Sjaastad;Paul M. Riskin;Gordon Parry

  • NADPH Oxidase-dependent Acid Production in Airway Epithelial Cells

    Christian Schwarzer;Christian Schwarzer;Terry E. Machen;Beate Illek;Horst Fischer

  • Expression and characterization of a redox-sensing green fluorescent protein (reduction-oxidation-sensitive green fluorescent protein) in Arabidopsis.

    Keni Jiang;Christian Schwarzer;Elizabeth Lally;Shibo Zhang

  • MECHANISMS OF GASTRIC H+ AND Cl-TRANSPORT

    John G. Forte;Terry E. Machen;Karl Johan Öbrink

  • cAMP and genistein stimulate HCO3- conductance through CFTR in human airway epithelia

    Beate Illek;James R. Yankaskas;Terry E. Machen

  • Digital image processing of intracellular pH in gastric oxyntic and chief cells

    Anthony M. Paradiso;Roger Y. Tsien;Terry E. Machen

  • Ultrastructural changes related to functional activity in gastric oxyntic cells

    J. G. Forte;J. A. Black;T. M. Forte;T. E. Machen

  • Effects of cyclic AMP on fluid absorption and ion transport across frog retinal pigment epithelium. Measurements in the open-circuit state.

    Bret A. Hughes;Sheldon S. Miller;Terry E. Machen

Frequent Co-Authors

John G. Forte
John G. Forte University of California, Berkeley
Roger Y. Tsien
Roger Y. Tsien University of California, San Diego
Trudy M. Forte
Trudy M. Forte UCSF Benioff Children's Hospital
Gary L. Firestone
Gary L. Firestone University of California, Berkeley
J. Kevin Foskett
J. Kevin Foskett University of Pennsylvania
Howard A. Bern
Howard A. Bern University of California, Berkeley
Jonathan Widdicombe
Jonathan Widdicombe University of California, Davis
Jared M. Diamond
Jared M. Diamond University of California, Los Angeles
J. Michael McCaffery
J. Michael McCaffery Johns Hopkins University
Craig D. Logsdon
Craig D. Logsdon The University of Texas MD Anderson Cancer Center

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