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Ronald J. Nachman

D-Index & Metrics

Biology and Biochemistry

D-Index
68
Citations
13189
World Ranking
7963
National Ranking
3604

Ronald J. Nachman 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 Ronald J. Nachman 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: 316 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Ronald J. Nachman 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 Ronald J. Nachman 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: 68 D-Index — 61st percentile

61% 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

  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Ronald J. Nachman is affiliated with the United States Department of Agriculture in the United States. Their research primarily concentrates on insect science, with a specialized focus on neurobiology and insect physiology, as well as insect and pesticide interactions. They have contributed to several fields, including Agricultural and Biological Sciences, Neuroscience, and Biochemistry, Genetics, and Molecular Biology. Their subfield interests notably cover Insect Science, Cellular and Molecular Neuroscience, Genetics, Molecular Biology, and Microbiology.

Nachman's work addresses key topics such as neurobiology and insect physiology research, insect and pesticide research, insect-plant interactions and control, as well as insect and arachnid ecology and behavior. Other areas include insect resistance and genetics, antimicrobial peptides and their activities, and phytoplasmas and Hemiptera pathogens.

They have published extensively, with frequent papers appearing in several recognized publication venues. These include:

  • Peptides
  • Pest Management Science
  • Journal of Pest Science
  • Insect Science
  • Journal of Proteome Research

Among Nachman's recent papers are:

  • Assessment of insecticidal effects and selectivity of CAPA-PK peptide analogues against the peach-potato aphid and four beneficial insects following topical exposure (2020, Pest Management Science)
  • Efficacy and biosafety assessment of neuropeptide CAPA analogues against the peach-potato aphid (Myzus persicae) (2021, Insect Science)
  • Transcriptome analysis of neuropeptides in the beneficial insect lacewing (Chrysoperla carnea) identifies kinins as a selective pesticide target: a biostable kinin analogue with activity against the peach potato aphid Myzus persicae (2022, Journal of Pest Science)
  • Peptidomics Approaches for the Identification of Bioactive Molecules from Diaphorina citri (2020, Journal of Proteome Research)
  • Myotropic Activities of Tick Pyrokinin Neuropeptides and Analog in Feeding Tissues of Hard Ticks (Ixodidae) (2022, Frontiers in Physiology)

Throughout their career, Ronald J. Nachman has collaborated frequently with several researchers, including:

  • Guy Smagghe
  • Krzysztof Kaczmarek
  • Janusz Zabrocki
  • Shun-Hua Gui
  • Julian A. T. Dow

Ronald J. Nachman is a Fellow of the American Association for the Advancement of Science (AAAS), an honor awarded in 2009.

Best Publications

  • Leucosulfakinin, a sulfated insect neuropeptide with homology to gastrin and cholecystokinin.

    RJ Nachman;GM Holman;WF Haddon;N Ling

  • Isolation, primary structure and synthesis of leucomyosuppressin, an insect neuropeptide that inhibits spontaneous contractions of the cockroach hindgut

    G.M. Holman;B.J. Cook;R.J. Nachman

  • Locustatachykinin I and II, two novel insect neuropeptides with homology to peptides of the vertebrate tachykinin family

    Liliane Schoofs;G.Mark Holman;Timothy K. Hayes;Ronald J. Nachman

  • Leucosulfakinin-II, a blocked sulfated insect neuropeptide with homology to cholecystokinin and gastrin.

    Ronald J. Nachman;G.Mark Holman;Benjamin J. Cook;William F. Haddon

  • Primary structure and synthesis of a blocked myotropic neuropeptide isolated from the cockroach, Leucophaea maderae.

    G.M. Holman;B.J. Cook;R.J. Nachman

  • Leucokinins, a new family of ion transport stimulators and inhibitors in insect Malpighian tubules.

    T.K. Hayes;T.L. Pannabecker;D.J. Hinckley;G.M. Holman

  • The diuretic activity of a series of cephalomyotropic neuropeptides, the achetakinins, on isolated Malpighian tubules of the house cricket, Acheta domesticus

    Geoffrey M. Coast;G.Mark Holman;Ronald J. Nachman

  • Isolation, primary structure and synthesis of two neuropeptides from Leucophaea maderae: Members of a new family of cephalomyotropins☆

    G.M. Holman;B.J. Cook;R.J. Nachman

  • Peptidomics of CNS-associated neurohemal systems of adult Drosophila melanogaster: a mass spectrometric survey of peptides from individual flies.

    Reinhard Predel;Christian Wegener;William K. Russell;Shane E. Tichy

  • Locustatachykinin III and IV: two additional insect neuropeptides with homology to peptides of the vertebrate tachykinin family.

    Liliane Schoofs;G.Mark Holman;Timothy K. Hayes;Jan P. Kochansky

  • Active fragments and analogs of the insect neuropeptide leucopyrokinin: structure-function studies.

    Ronald J. Nachman;G.Mark Holman;Benjamin J. Cook

  • The Leucophaea maderae hindgut preparation: A rapid and sensitive bioassay tool for the isolation of insect myotropins of other insect species

    G.M. Holman;R.J. Nachman;L. Schoofs;T.K. Hayes

  • Isolation, identification and synthesis of locustamyoinhibiting peptide (LOM-MIP), a novel biologically active neuropeptide from Locusta migratoria.

    Liliane Schoofs;G.Mark Holman;Timothy K. Hayes;Ronald J. Nachman

  • Isolation, primary structure and synthesis of locustapyrokinin. A myotropic peptide of Locusta migratoria

    Liliane Schoofs;G.Mark Holman;Timothy K. Hayes;Ronald J. Nachman

  • Neuropeptidomics of the Mosquito Aedes aegypti

    Reinhard Predel;Susanne Neupert;Stephen F Garczynski;Joe W Crim

  • Isolation, primary structure and synthesis of leucokinins VII and VIII: The final members of this new family of cephalomyotropic peptides isolated from head extracts of leucophaea maderae

    G.M. Holman;B.J. Cook;R.J. Nachman

  • Effects of an allatostatin and a myosuppressin on midgut carbohydrate enzyme activity in the cockroach Diploptera punctata

    M Fusé;J.R Zhang;E Partridge;R.J Nachman

  • Expression and Functional Characterization of aDrosophila Neuropeptide Precursor with Homology to Mammalian Preprotachykinin A

    Richard J. Siviter;Geoffrey M. Coast;Åsa M.E. Winther;Ronald J. Nachman

  • Sulfakinins reduce food intake in the desert locust, Schistocerca gregaria.

    Zhu Wei;Geert Baggerman;Ronald J. Nachman;Graham Goldsworthy

  • Invertebrate Neuropeptide Conference

    Stephen S. Tobe;Tippawan Singtripop;Thanit Pewnim;Ronald J. Nachman

Frequent Co-Authors

Liliane Schoofs
Liliane Schoofs KU Leuven
Reinhard Predel
Reinhard Predel University of Cologne
Jozef Vanden Broeck
Jozef Vanden Broeck KU Leuven
Arnold De Loof
Arnold De Loof KU Leuven
David H. Russell
David H. Russell Texas A&M University
Peter E. A. Teal
Peter E. A. Teal United States Department of Agriculture
Karl E. O. Åkerman
Karl E. O. Åkerman University of Helsinki
Marc Parmentier
Marc Parmentier Université Libre de Bruxelles
David L. Denlinger
David L. Denlinger The Ohio State University
Felix D. Guerrero
Felix D. Guerrero United States Department of Agriculture

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Best Scientists Citing Ronald J. Nachman

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