World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
70
Citations
17087
World Ranking
7022
National Ranking
3233

Chemistry

D-Index
70
Citations
16439
World Ranking
5893
National Ranking
1805

Mark T. Hamann 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 Mark T. Hamann 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: 266 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Mark T. Hamann 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 Mark T. Hamann 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: 70 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Overview

Mark T. Hamann is affiliated with the Medical University of South Carolina in the United States. Their research activity is primarily in the fields of Biochemistry, Genetics and Molecular Biology, and Medicine, with a substantial focus on related subfields such as Molecular Biology, Pharmacology, Biotechnology, Immunology, and Plant Science.

The scientist has contributed notably to the study of Marine Sponges and Natural Products as well as to Microbial Natural Products and Biosynthesis. Other areas of research include Bone Metabolism and Diseases, Advanced Glycation End Products research, Natural product bioactivities and synthesis, Chemical synthesis and alkaloids, and Pharmacological Effects of Medicinal Plants.

Mark T. Hamann's frequent publication venues reflect a concentration in natural products and chemical research, including:

  • Journal of Natural Products
  • Marine Drugs
  • The Cambridge Structural Database
  • Angewandte Chemie International Edition
  • The Journal of Antibiotics

Their collaborative work includes partnerships with several scientists who have co-authored multiple papers, such as:

  • Yeun-Mun Choo (23 co-authored publications)
  • George S. Hanna (13)
  • Xiaojuan Wang (11)
  • Menny M. Benjamin (8)
  • Ze-Yu Zhao (7)

Selected recent papers that illustrate the scope of their research are:

  • The Marine Natural Product Manzamine A Inhibits Cervical Cancer by Targeting the SIX1 Protein, 2020, Journal of Natural Products
  • Forrestiacids­A and­B, Pentaterpene Inhibitors of ACL and Lipogenesis: Extending the Limits of Computational NMR Methods in the Structure Assignment of Complex Natural Products, 2021, Angewandte Chemie International Edition
  • Role of symbiosis in the discovery of novel antibiotics, 2020, The Journal of Antibiotics
  • Recent advances and limitations in the application of kahalalides for the control of cancer, 2022, Biomedicine & Pharmacotherapy
  • Isolation and Synthesis of Veranamine, an Antidepressant Lead from the Marine Sponge Verongula rigida, 2020, Journal of Natural Products

Best Publications

  • Marine indole alkaloids: potential new drug leads for the control of depression and anxiety

    Anna J. Kochanowska-Karamyan;Mark T. Hamann

  • Lamellarins and related pyrrole-derived alkaloids from marine organisms.

    Hui Fan;Jiangnan Peng;Mark T. Hamann;Jin-Feng Hu

  • Marine natural products and their potential applications as anti-infective agents.

    Marwa Donia;Mark T Hamann

  • Indole alkaloid marine natural products: an established source of cancer drug leads with considerable promise for the control of parasitic, neurological and other diseases.

    Waseem Gul;Mark T. Hamann

  • Marine natural products as novel antioxidant prototypes.

    Satoshi Takamatsu;Tyler W. Hodges;Ira Rajbhandari;William H. Gerwick

  • Marine pharmacology in 2005–6: Marine Compounds with Anthelmintic, Antibacterial, Anticoagulant, Antifungal, Anti-inflammatory, Antimalarial, Antiprotozoal, Antituberculosis, and Antiviral Activities; affecting the Cardiovascular, Immune and Nervous Systems, and other Miscellaneous Mechanisms of Action

    Alejandro M.S. Mayer;Abimael D. Rodríguez;Roberto G.S. Berlinck;Mark T. Hamann

  • Kahalalide F: a bioactive depsipeptide from the sacoglossan mollusk Elysia rufescens and the green alga Bryopsis sp

    Mark T. Hamann;Paul J. Scheuer

  • Kahalalides: Bioactive Peptides from a Marine Mollusk Elysia rufescens and Its Algal Diet Bryopsis sp.(1).

    Hamann Mt;Otto Cs;Scheuer Pj;Dunbar Dc

  • In vivo antimalarial activity of the beta-carboline alkaloid manzamine A

    Kenny K. H. Ang;Michael J. Holmes;Tatsuo Higa;Mark T. Hamann

  • Marine Natural Products as Antituberculosis Agents

    Khalid A El Sayed;Piotr Bartyzel;Xiaoyu Shen;Tony L Perry

  • Marine Pharmacology in 2000: Marine Compounds with Antibacterial, Anticoagulant, Antifungal, Anti-inflammatory, Antimalarial, Antiplatelet, Antituberculosis, and Antiviral Activities; Affecting the Cardiovascular, Immune, and Nervous Systems and Other Miscellaneous Mechanisms of Action

    Alejandro M. S. Mayer;Mark T. Hamann

  • Polyether ionophores: broad-spectrum and promising biologically active molecules for the control of drug-resistant bacteria and parasites.

    Dion A Kevin;Damaris Af Meujo;Mark T Hamann

  • Marine pharmacology in 2001--2002: marine compounds with anthelmintic, antibacterial, anticoagulant, antidiabetic, antifungal, anti-inflammatory, antimalarial, antiplatelet, antiprotozoal, antituberculosis, and antiviral activities; affecting the cardiovascular, immune and nervous systems and other miscellaneous mechanisms of action.

    Alejandro M.S. Mayer;Mark T. Hamann

  • New Manzamine Alkaloids with Activity against Infectious and Tropical Parasitic Diseases from an Indonesian Sponge

    Karumanchi V. Rao;Bernardo D. Santarsiero;Andrew D. Mesecar;Raymond F Schinazi

  • New manzamine alkaloids with potent activity against infectious diseases.

    K. A. El Sayed;M. Kelly;U. A. K. Kara;K. K. H. Ang

  • Marine pharmacology in 2003-4: marine compounds with anthelmintic antibacterial, anticoagulant, antifungal, anti-inflammatory, antimalarial, antiplatelet, antiprotozoal, antituberculosis, and antiviral activities; affecting the cardiovascular, immune and nervous systems, and other miscellaneous mechanisms of action.

    Alejandro M.S. Mayer;Abimael D. Rodríguez;Roberto G.S. Berlinck;Mark T. Hamann

  • Biogenetically diverse, bioactive constituents of a sponge, order Verongida: bromotyramines and sesquiterpene-shikimate derived metabolites

    Mark T. Hamann;Paul J. Scheuer;Michelle Kelly-Borges

  • Three New Manzamine Alkaloids from a Common Indonesian Sponge and Their Activity against Infectious and Tropical Parasitic Diseases

    Karumanchi V. Rao;Noer Kasanah;Subagus Wahyuono;Babu L. Tekwani

  • The expanding role of marine microbes in pharmaceutical development.

    Amanda L Waters;Russell T Hill;Allen R Place;Mark T Hamann

  • Manzamine B and E and ircinal A related alkaloids from an Indonesian Acanthostrongylophora sponge and their activity against infectious, tropical parasitic, and Alzheimer's diseases.

    Karumanchi V. Rao;Marwa S. Donia;Jiangnan Peng;Esther Garcia-Palomero

  • Dimerization of resveratrol by the grapevine pathogen Botrytis cinerea.

    Robert H. Cichewicz;Samir A. Kouzi;Mark T. Hamann

Frequent Co-Authors

Colin J. Limpus
Colin J. Limpus Queensland Government
Helene Marsh
Helene Marsh James Cook University
Mariana M. P. B. Fuentes
Mariana M. P. B. Fuentes Florida State University
Paul J. Scheuer
Paul J. Scheuer University of Hawaii at Manoa
Michelle R. Heupel
Michelle R. Heupel University of Tasmania
Tim S. Jessop
Tim S. Jessop Deakin University
MinKyun Na
MinKyun Na Chungnam National University
Mitchell A. Avery
Mitchell A. Avery University of Mississippi
Matthew H. Godfrey
Matthew H. Godfrey Duke University
Russell T. Hill
Russell T. Hill University of Maryland Center For Environmental Sciences

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