World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
106
Citations
40420
World Ranking
954
National Ranking
382

Biology and Biochemistry

D-Index
107
Citations
42977
World Ranking
1099
National Ranking
661

George R. Pettit publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where George R. Pettit sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 889 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

George R. Pettit D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where George R. Pettit sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 106 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 1998 - Ernest Guenther Award, American Chemical Society (ACS)

Overview

George R. Pettit was affiliated with Arizona State University in the United States. Their research contributions primarily spanned the fields of Chemistry, Biochemistry, Genetics and Molecular Biology, and Medicine. The work focused on subfields including Organic Chemistry, Pharmacology, and Biotechnology.

Their research extensively covered topics related to Marine Sponges and Natural Products, Microbial Natural Products and Biosynthesis, Synthesis and Biological Evaluation, Synthesis and Characterization of Pyrroles, Synthesis and Reactions of Organic Compounds, Carbohydrate Chemistry and Synthesis, as well as Phytochemistry and Bioactivity Studies.

Frequent collaborators in their research included Ruoli Bai, Amos B. Smith, Ernest Hamel, Noeleen Melody, and Jean-Charles Chapuis.

Key publication venues where George R. Pettit's work appeared were the Archives of Biochemistry and Biophysics and the Journal of Natural Products.

The following are some of their recent scholarly publications:

  • Antineoplastic Agents. 607. Emetine Auristatins (2020), Journal of Natural Products
  • The interaction of spongistatin 1 with tubulin (2022), Archives of Biochemistry and Biophysics
  • Corrigendum to "The interaction of spongistatin 1 with tubulin" [Arch. Biochem. Biophys. 727 (2022) 109296 (7 pages)] (2022), Archives of Biochemistry and Biophysics

George R. Pettit received the Ernest Guenther Award from the American Chemical Society (ACS) in 1998. This award is among the notable recognitions in their scientific career.

Best Publications

  • Isolation and structure of the strong cell growth and tubulin inhibitor combretastatin A-4

    George Pettit;S. B. Singh;E. Hamel;C. M. Lin

  • ISOLATION AND STRUCTURE OF BRYOSTATIN 1

    George R. Pettit;Cherry L. Herald;Dennis L. Doubek;Delbert L. Herald

  • The isolation and structure of a remarkable marine animal antineoplastic constituent: dolastatin 10

    George R. Pettit;Yoshiaki Kamano;Cherry L. Herald;Albert A. Tuinman

  • Combretastatin A-4, an agent that displays potent and selective toxicity toward tumor vasculature

    Graham G. Dark;Sally A. Hill;Vivien E. Prise;Gillian M. Tozer

  • Antimitotic natural products combretastatin A-4 and combretastatin A-2: studies on the mechanism of their inhibition of the binding of colchicine to tubulin

    Chii M. Lin;Holly H. Ho;George R. Pettit;Ernest Hamel

  • Inhibition of cyclin-dependent kinases, GSK-3β and CK1 by hymenialdisine, a marine sponge constituent

    L. Meijer;A. M W H Thunnissen;A. W. White;M. Garnier

  • Antineoplastic Agents. 291. Isolation and Synthesis of Combretastatins A-4, A-5, and A-6

    George R. Pettit;Sheo Bux Singh;Michael R. Boyd;Michael R. Boyd;Ernest Hamel;Ernest Hamel

  • Halichondrin B and homohalichondrin B, marine natural products binding in the vinca domain of tubulin. Discovery of tubulin-based mechanism of action by analysis of differential cytotoxicity data.

    Ruoli Bai;Kenneth D. Paull;Cherry L. Herald;Louis Malspeis

  • Isolation, structure, and synthesis of combretastatins A-1 and B-1, potent new inhibitors of microtubule assembly, derived from Combretum caffrum

    George R. Pettit;Sheo Bux Singh;Margaret L. Niven;Ernest Hamel

  • Microplate Alamar Blue Assay for Staphylococcus epidermidis Biofilm Susceptibility Testing

    Robin K. Pettit;Robin K. Pettit;Christine A. Weber;Melissa J. Kean;Melissa J. Kean;Holger Hoffmann

  • Dolastatin 10, a powerful cytostatic peptide derived from a marine animal: Inhibition of tubulin polymerization mediated through the vinca alkaloid binding domain

    Ruoli Bai;George Pettit;Ernest Hamel

  • Isolation and Structure of Spongistatin 1

    George R. Pettit;Zbigniew A. Cichacz;Cherry L. Herald

  • Anti-vascular approaches to solid tumour therapy: evaluation of combretastatin A4 phosphate.

    D. J. Chaplin;George Pettit;S. A. Hill

  • Antineoplastic agents 322. synthesis of combretastatin A-4 prodrugs.

    G. R. Pettit;C. Temple;V. L. Narayanan;Ravi Varma

  • Density functional study on the structural conformations and intramolecular charge transfer from the vibrational spectra of the anticancer drug combretastatin‐A2

    L. Padmaja;C. Ravikumar;D. Sajan;I. Hubert Joe

  • Antineoplastic agents. 379. Synthesis of phenstatin phosphate.

    George R. Pettit;Brian Toki;Delbert L. Herald;Pascal Verdier-Pinard

  • Antiviral (RNA) activity of selected Amaryllidaceae isoquinoline constituents and synthesis of related substances.

    Bjarne Gabrielsen;Bjarne Gabrielsen;Thomas P. Monath;John W. Huggins;Deborah F. Kefauver

  • Isolation and structure of combretastatin

    George R. Pettit;Gordon M. Cragg;Delbert L. Herald;Jean M. Schmidt

  • Convolutamydine A, a novel bioactive hydroxyoxindole alkaloid from marine bryozoan Amathia convoluta

    Yoshiaki Kamano;Hui-ping Zhang;Yoshitatsu Ichihara;Haruhisa Kizu

  • In vivo and in vitro evaluation of combretastatin A-4 and its sodium phosphate prodrug.

    K Grosios;S E Holwell;Alan T McGown;G R Pettit

Frequent Co-Authors

Jean M. Schmidt
Jean M. Schmidt Arizona State University
Michael R. Boyd
Michael R. Boyd University of South Alabama
Ernest Hamel
Ernest Hamel National Institutes of Health
Sheo B. Singh
Sheo B. Singh MSD (United States)
John N. A. Hooper
John N. A. Hooper Griffith University
Ronald L. Cerny
Ronald L. Cerny University of Nebraska–Lincoln
Peter M. Blumberg
Peter M. Blumberg National Institutes of Health
Amos B. Smith
Amos B. Smith University of Pennsylvania
Andrew S. Kraft
Andrew S. Kraft University of Arizona
Peter Brown
Peter Brown University of Oxford

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Chemistry in the USA opens doors to various interdisciplinary career options, many of which can be pursued through online education. For instance, students interested in law enforcement or legal studies might consider an online associate degree in criminal justice. This pathway offers foundational knowledge that complements scientific analytical skills.

Understanding the financial commitment is crucial for any program. Prospective students often ask, how much is criminal justice school, as it can provide insight into similar costs associated with chemistry-related degrees and professional certifications.

Chemistry graduates can also pivot to careers such as pharmaceutical sales. Learning pharmaceutical sales salary trends and career paths helps in evaluating this lucrative option that combines scientific knowledge with business skills.

For those interested in legal careers connected to scientific fields, understanding what types of paralegals make the most money can guide you toward specialized roles that benefit from a background in chemistry, such as patent law or environmental regulations.

Best Scientists Citing George R. Pettit