World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
56
Citations
8156
World Ranking
14693
National Ranking
6138

Ponnal Nambi 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 Ponnal Nambi 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: 185 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Ponnal Nambi 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 Ponnal Nambi 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: 56 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Overview

Ponnal Nambi is affiliated with Pfizer in the United States and has contributed extensively to research in agricultural and biological sciences, immunology and microbiology, and medicine. Their work intersects several subfields, including parasitology, infectious diseases, animal science and zoology, ecology, evolution, behavior and systematics, and insect science.

The scientist's main research topics cover a range of subjects centered on infectious diseases and vector biology. These include:

  • Vector-borne infectious diseases
  • Viral infections and vectors
  • Coccidia and coccidiosis research
  • Vector-borne animal diseases
  • Toxin mechanisms and immunotoxins
  • Helminth infection and control
  • Insect and pesticide research

Several recent publications illustrate the focus areas and contributions in their scientific career:

  • Perception of Ticks and Tick-Borne Diseases Worldwide, 2023, published in Pathogens
  • Successful treatment of severe form of bovine tropical theileriosis in dairy cattle and genotyping of Theileria annulata isolates of Tamil Nadu, India, 2021, published in Veterinary Parasitology Regional Studies and Reports
  • Occurrence of necrophagous flies of forensic importance in medico-legal cases in Tamil Nadu State, India, 2022, published in Egyptian Journal of Forensic Sciences
  • Assessment of consistency of minimum post-mortem intervals estimated by thermal summation-based methods in medico-legal cases associated with blowflies, 2023, published in Legal Medicine
  • Management practices and technologies for efficient biological sample collection from domestic animals with special reference to Indian field conditions, 2023, published in Animal Diseases

Ponnal Nambi frequently collaborates with several co-authors, including G. Dhinakar Raj, M. Raman, N. Madan, Bhaskaran Ravi Latha, and Aravindh Babu R. Parthiban.

Their research is regularly published in journals with focuses on parasitology, veterinary parasitology, immunology, and infectious diseases. Key publication venues include:

  • SSRN Electronic Journal
  • Veterinary Parasitology Regional Studies and Reports
  • Comparative Immunology Microbiology and Infectious Diseases
  • Experimental Parasitology
  • Journal of Parasitic Diseases

Best Publications

  • Catecholamine-induced desensitization of turkey erythrocyte adenylate cyclase is associated with phosphorylation of the beta-adrenergic receptor

    Jeffrey M. Stadel;Ponnal Nambi;Robert G. L. Shorr;Diane F. Sawyer

  • Reversal of postischemic acute renal failure with a selective endothelinA receptor antagonist in the rat.

    Miklos Gellai;Malcolm Jugus;Tracey Fletcher;Robin DeWolf

  • Desensitization of the beta-adrenergic receptor of frog erythrocytes. Recovery and characterization of the down-regulated receptors in sequestered vesicles.

    J M Stadel;B Strulovici;P Nambi;T N Lavin

  • SB 209670, a rationally designed potent nonpeptide endothelin receptor antagonist

    E H Ohlstein;P Nambi;S A Douglas;R M Edwards

  • Molecular characterization and regulation of the human endothelin receptors.

    N. A. Elshourbagy;D. R. Korman;Hsiao-Ling Wu;D. R. Sylvester

  • Desensitization of turkey erythrocyte adenylate cyclase. Beta-adrenergic receptor phosphorylation is correlated with attenuation of adenylate cyclase activity.

    D R Sibley;J R Peters;P Nambi;M G Caron

  • Liver X Receptor (LXR)-β Regulation in LXRα-Deficient Mice: Implications for Therapeutic Targeting

    Elaine M Quinet;Dawn A Savio;Anita R Halpern;Liang Chen

  • 1,3-Diarylindan-2-carboxylic Acids, Potent and Selective Non-Peptide Endothelin Receptor Antagonists

    J D Elliott;M A Lago;R D Cousins;A Gao

  • Upregulation of renal endothelin receptors in rats with cyclosporine A-induced nephrotoxicity

    Ponnal Nambi;Mark Pullen;Lisa C. Contino;David P. Brooks

  • Desensitization of the turkey erythrocyte beta-adrenergic receptor in a cell-free system. Evidence that multiple protein kinases can phosphorylate and desensitize the receptor.

    P Nambi;J R Peters;D R Sibley;R J Lefkowitz

  • Distribution and functional role of renal ET receptor subtypes in normotensive and hypertensive rats

    Miklos Gellai;Robin DeWolf;Mark Pullen;Ponnal Nambi

  • Nonpeptide endothelin receptor antagonists. V: Prevention and reversal of acute renal failure in the rat by SB 209670.

    M Gellai;M Jugus;T Fletcher;P Nambi

  • Endothelin B receptor modulates inflammatory pain and cutaneous inflammation.

    Don E. Griswold;Stephen A. Douglas;Lenox D. Martin;T. Gregg Davis

  • Identification of endothelin receptor subtypes in human renal cortex and medulla using subtype-selective ligands.

    Ponnal Nambi;Mark Pullen;Hsiao-Ling Wu;Nambi Aiyar

  • LXR ligand lowers LDL cholesterol in primates, is lipid neutral in hamster, and reduces atherosclerosis in mouse.

    Elaine M. Quinet;Michael D. Basso;Anita R. Halpern;David W. Yates

  • Endothelin inhibits vasopressin action in rat inner medullary collecting duct via the ETB receptor.

    R M Edwards;E J Stack;M Pullen;P Nambi

  • 5-(5,6-Dichloro-2-indolyl)-2-methoxy-2,4-pentadienamides: novel and selective inhibitors of the vacuolar H+-ATPase of osteoclasts with bone antiresorptive activity.

    Stefania Gagliardi;Guy Nadler;Emanuela Consolandi;Carlo Parini

  • Effect of pharmacologic plasminogen activator inhibitor-1 inhibition on cell motility and tumor angiogenesis.

    C. E. Leik;E. J. Su;P. Nambi;David L. Crandall

  • 125I-labeled p-azidobenzylcarazolol, a photoaffinity label for the beta-adrenergic receptor. Characterization of the ligand and photoaffinity labeling of beta 1- and beta 2-adrenergic receptors.

    T N Lavin;P Nambi;S L Heald;P W Jeffs

  • Phorbol diester treatment promotes enhanced adenylate cyclase activity in frog erythrocytes

    David R. Sibley;Roger A. Jeffs;Kiefer Daniel;Ponnal Nambi

Frequent Co-Authors

Eliot H. Ohlstein
Eliot H. Ohlstein GlaxoSmithKline (United Kingdom)
Robert J. Lefkowitz
Robert J. Lefkowitz Duke University
Marc G. Caron
Marc G. Caron Duke University
Christopher Miller
Christopher Miller Brandeis University
John R. Zalcberg
John R. Zalcberg Monash University
Michael R. Mattern
Michael R. Mattern National Institutes of Health
Thomas Michel
Thomas Michel Brigham and Women's Hospital
Louis B. Hersh
Louis B. Hersh University of Kentucky
Thomas Maciag
Thomas Maciag Maine Medical Center
Robert M. Levin
Robert M. Levin Albany College of Pharmacy and Health Sciences

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