World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
52
Citations
10554
World Ranking
16617
National Ranking
6873

Robert C. Speth 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 Robert C. Speth 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: 276 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Robert C. Speth 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 Robert C. Speth 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: 52 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Robert C. Speth is affiliated with Nova Southeastern University in the United States and has contributed extensively to research in the field of medicine, with a focus on cardiovascular and molecular biology disciplines. Their work spans multiple subfields including cardiology and cardiovascular medicine, molecular biology, physiology, infectious diseases, and endocrinology, diabetes, and metabolism.

The primary topics of their research include renin-angiotensin system studies, hormonal regulation and hypertension, receptor mechanisms and signaling, COVID-19 clinical research studies, apelin-related biomedical research, SARS-CoV-2 and COVID-19 research, as well as studies related to coagulation, bradykinin, polyphosphates, and angioedema.

Recent scholarly publications by Robert C. Speth demonstrate their scientific focus and contributions:

  • "The role of the brain renin-angiotensin system (RAS) in mild traumatic brain injury (TBI)" published in 2020 in Pharmacology & Therapeutics
  • "Sex-Specific Modulation of Blood Pressure and the Renin-Angiotensin System by ACE (Angiotensin-Converting Enzyme) 2" published in 2020 in Hypertension
  • "Response to recent commentaries regarding the involvement of angiotensin-converting enzyme 2 (ACE2) and renin-angiotensin system blockers in SARS-CoV-2 infections" published in 2020 in Drug Development Research
  • "Male bias in ACE2 basic science research: missed opportunity for discovery in the time of COVID-19" published in 2021 in American Journal of Physiology-Regulatory, Integrative and Comparative Physiology
  • "Keep taking your ACE inhibitors and ARBs during the COVID 19 pandemic" published in 2020 in Journal of Travel Medicine

The publication venues where Robert C. Speth frequently contributes include bioRxiv (Cold Spring Harbor Laboratory), The FASEB Journal, Clinical Science, Physiological Reports, and Peptides.

Frequent collaborators in their research efforts have included Natalia Motzko Noto, Kathryn Sandberg, Lisa S. Robison, Aline M. A. de Souza, and Hong Ji.

Best Publications

  • Angiotensin-(1-7) is an endogenous ligand for the G protein-coupled receptor Mas.

    Robson A. S. Santos;Ana C. Simoes e Silva;Christine Maric;Denise M. R. Silva

  • Prevention of angiotensin II-induced cardiac remodeling by angiotensin-(1–7)

    Justin L. Grobe;Adam P. Mecca;Melissa Lingis;Vinayak Shenoy

  • A Consensus Definitive Classification of Scavenger Receptors and Their Roles in Health and Disease

    Mercy R. PrabhuDas;Cynthia L. Baldwin;Paul L. Bollyky;Dawn M.E. Bowdish

  • Benzodiazepine binding in human brain: Characterization using [3H] flunitrazepam

    Robert C. Speth;Gregory J. Wastek;Peter C. Johnson;Henry I. Yamamura

  • Discrimination of two angiotensin II receptor subtypes with a selective agonist analogue of angiotensin II, p-aminophenylalanine6 angiotensin II.

    Robert C. Speth;Kwan Hee Kim

  • Brain-Selective Overexpression of Human Angiotensin-Converting Enzyme Type 2 Attenuates Neurogenic Hypertension

    Yumei Feng;Huijing Xia;Yanhui Cai;Carmen M. Halabi

  • NADPH Oxidase Contributes to Angiotensin II Signaling in the Nucleus Tractus Solitarius

    Gang Wang;Josef Anrather;Jie Huang;Robert C. Speth

  • The effect of γ-aminobutyric acid on 3H-flunitrazepam binding in rat brain

    G.J. Wastek;R.C. Speth;T.D. Reisine;H.I. Yamamura

  • Distribution of [125I]angiotensin II binding sites in the rat brain: A quantitative autoradiographic study

    D.R. Gehlert;R.C. Speth;R.C. Speth;J.K. Wamsley

  • Animal models of BMAA neurotoxicity: a critical review.

    Vardan T. Karamyan;Robert C. Speth

  • Benzodiazepine receptors: Temperature dependence of [3H]flunitrazepam binding

    Robert C. Speth;Gregory J. Wastek;Henry I. Yamamura

  • Cannabinoid ester constituents from high-potency Cannabis sativa.

    Safwat A. Ahmed;Samir A. Ross;Desmond Slade;Mohamed M. Radwan

  • Localization of angiotensin II receptors in ovarian follicles and the identification of angiotensin II in rat ovaries

    A Husain;F M Bumpus;P De Silva;R C Speth

  • Angiotensin II receptor subtypes in the rat brain.

    Brian P. Rowe;Kevin L. Grove;David L. Saylor;Robert C. Speth

  • Angiotensin II receptor localization in the canine CNS.

    Robert C. Speth;James K. Wamsley;Donald R. Gehlert;Cheryl L. Chernicky

  • Central angiotensin IV binding sites: distribution and specificity in guinea pig brain

    A V Miller-Wing;J M Hanesworth;M F Sardinia;K L Hall

  • Placental insufficiency results in temporal alterations in the renin angiotensin system in male hypertensive growth restricted offspring.

    Daniela Grigore;Norma B. Ojeda;Elliott B. Robertson;Antoinette S Dawson

  • Analysis of angiotensin II receptor subtypes in individual rat brain nuclei.

    Brian P. Rowe;David L. Saylor;Robert C. Speth

  • Discrimination of angiotensin II receptor subtype distribution in the rat brain using non-peptidic receptor antagonists.

    Brian P. Rowe;Kevin L. Grove;David L. Saylor;Robert C. Speth

  • A Consensus Definitive Classification of Scavenger Receptors and Their Roles in Health and Disease

    Mercy R. PrabhuDas;Cynthia L. Baldwin;Paul L. Bollyky;Dawn M. E. Bowdish

Frequent Co-Authors

Henry I. Yamamura
Henry I. Yamamura University of Arizona
Carlos M. Ferrario
Carlos M. Ferrario Wake Forest University
Nereo Bresolin
Nereo Bresolin University of Milan
Colin Sumners
Colin Sumners University of Florida
Costantino Iadecola
Costantino Iadecola Cornell University
James K. Wamsley
James K. Wamsley IQVIA (United States)
Alan F. Sved
Alan F. Sved University of Pittsburgh
Teresa A. Milner
Teresa A. Milner Cornell University
Virginia M. Pickel
Virginia M. Pickel Cornell University
Kerry J. Ressler
Kerry J. Ressler Harvard University

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