World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
55
Citations
9302
World Ranking
12297
National Ranking
3276

Michael J. Maroney 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 Michael J. Maroney 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: 210 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Michael J. Maroney 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 Michael J. Maroney 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: 55 D-Index — 33rd percentile

33% 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

  • 2015 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Michael J. Maroney is affiliated with the University of Massachusetts Amherst in the United States. Their research primarily focuses on topics related to metalloenzymes, trace elements in health, and metal-catalyzed oxygenation mechanisms. The scientist has contributed to studies involving Helicobacter pylori-related gastroenterology and metal complexes synthesis and properties.

Their work spans multiple subfields, including renewable energy, sustainability and the environment, nutrition and dietetics, molecular biology, surgery, and oncology.

Frequent co-authors collaborating with Michael J. Maroney include Priyanka Basak, Stefano Ciurli, Monica Nordberg, Max Costa, and Peter T. Chivers.

Publication venues where Maroney's research appears repeatedly include Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature, Journal of Inorganic Biochemistry, Metallomics, Seminars in Cancer Biology, and UNC Libraries.

Recent papers illustrating the scope of their research are:

  • Nickel as a virulence factor in the Class I bacterial carcinogen, Helicobacter pylori (2021, Seminars in Cancer Biology)
  • The structure of the high-affinity nickel-binding site in the Ni,Zn-HypA•UreE2 complex (2023, Metallomics)
  • One His, two His...the emerging roles of histidine in cellular nickel trafficking (2024, Journal of Inorganic Biochemistry)
  • In vitro maturation of NiSOD reveals a role for cytoplasmic histidine in processing and metalation (2023, Metallomics)
  • Pro5 is not essential for the formation of 'Ni-hook' in nickel superoxide dismutase (2022, Journal of Inorganic Biochemistry)

Maroney's research addresses scientific topics including:

  • Metalloenzymes and iron-sulfur proteins
  • Trace Elements in Health
  • Metal-Catalyzed Oxygenation Mechanisms
  • Helicobacter pylori-related gastroenterology studies
  • Potassium and Related Disorders
  • Metal complexes synthesis and properties
  • Drug Transport and Resistance Mechanisms

In recognition of their contributions to the scientific community, Michael J. Maroney was named a Fellow of the American Association for the Advancement of Science (AAAS) in 2015.

Best Publications

  • Superoxide dismutases and superoxide reductases

    Yuewei Sheng;Isabel Alexandra Aguiar de Abreu;Diane E. Cabelli;Michael J. Maroney

  • X-ray spectroscopic studies of nickel complexes, with application to the structure of nickel sites in hydrogenases

    G. J. Colpas;M. J. Maroney;C. Bagyinka;M. Kumar

  • Nonredox Nickel Enzymes

    Michael J. Maroney;Stefano Luciano Ciurli

  • Cysteine dioxygenase: structure and mechanism

    Crisjoe A. Joseph;Michael J. Maroney

  • Examination of the nickel site structure and reaction mechanism in Streptomyces seoulensis superoxide dismutase

    Suranjan B. Choudhury;Jin-Won Lee;Gerard Davidson;Yang In Yim

  • Biochemical characterization of purified OmcS, a c-type cytochrome required for insoluble Fe(III) reduction in Geobacter sulfurreducens

    Xinlei Qian;Tünde Mester;Leonor Morgado;Tsutomu Arakawa

  • Molecular cloning and characterization of the insecticidal crystal protein gene of Bacillus thuringiensis var. tenebrionis

    Vaithilingam Sekar;David V. Thompson;Michael J. Maroney;Roger G. Bookland

  • Isolation, characterization and gene sequence analysis of a membrane-associated 89 kDa Fe(III) reducing cytochrome c from Geobacter sulfurreducens.

    Timothy S. Magnuson;Naohito Isoyama;Allison L. Hodges-Myerson;Gerard Davidson

  • Ni(II) and Co(II) sensing by Escherichia coli RcnR.

    Jeffrey S. Iwig;Sharon Leitch;Robert W. Herbst;Michael J. Maroney

  • STRUCTURAL INVESTIGATIONS OF NICKEL-COMPLEXES WITH NITROGEN AND SULFUR DONOR LIGANDS

    Gerard J. Colpas;Manoj Kumar;Roberta O. Day;Michael J. Maroney

  • Nickel ions inhibit histone demethylase JMJD1A and DNA repair enzyme ABH2 by replacing the ferrous iron in the catalytic centers.

    Haobin Chen;Nitai Charan Giri;Ronghe Zhang;Kenichi Yamane

  • THE HYDROGEN BINDING-SITE IN HYDROGENASE - 35-GHZ ENDOR AND XAS STUDIES OF THE NI-C ACTIVE FORM AND THE NI-L PHOTOPRODUCT

    Joyce P. Whitehead;Ryszard J. Gurbiel;Csaba Bagyinka;Brian M. Hoffman

  • Structure/function relationships in nickel metallobiochemistry

    Michael J Maroney

  • Exafs studies of binuclear iron proteins hemerythrin and ribonucleotide reductase

    R. C. Scarrow;M. J. Maroney;S. M. Palmer;L. Que

  • Structure of the Ni sites in hydrogenases by X-ray absorption spectroscopy. Species variation and the effects of redox poise

    Z. Gu;J. Dong;C.B. Allan;S.B. Choudhury

  • Spectroscopic and Computational Studies of Ni Superoxide Dismutase: Electronic Structure Contributions to Enzymatic Function

    Adam T. Fiedler;Peter A. Bryngelson;Michael J. Maroney;Thomas C. Brunold

  • Structurally diverse manganese(III) Schiff base complexes: solution speciation via paramagnetic 1H NMR spectroscopy and electrochemistry

    Joseph A. Bonadies;Michael J. Maroney;Vincent L. Pecoraro

  • Octopine and nopaline strains of Agrobacterium tumefaciens differ in virulence; molecular characterization of the virF locus

    Leo S. Melchers;Michael J Maroney;Amke den Dulk-Ras;David V. Thompson

  • Structural examination of the nickel site in chromatium vinosum hydrogenase: redox state oscillations and structural changes accompanying reductive activation and CO binding.

    Gerard Davidson;Suranjan B. Choudhury;Zhijie Gu;Kurethara Bose

  • An x-ray absorption spectroscopic study of nickel redox chemistry in hydrogenase

    Csaba Bagyinka;Joyce P. Whitehead;Michael J. Maroney

Frequent Co-Authors

Roberta O. Day
Roberta O. Day University of Massachusetts Amherst
Stefano Ciurli
Stefano Ciurli University of Bologna
Diane E. Cabelli
Diane E. Cabelli Brookhaven National Laboratory
Lawrence Que
Lawrence Que University of Minnesota
Thomas C. Brunold
Thomas C. Brunold University of Wisconsin–Madison
Donald M. Kurtz
Donald M. Kurtz The University of Texas at San Antonio
William C. Trogler
William C. Trogler University of California, San Diego
David P. Giedroc
David P. Giedroc Indiana University

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