World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
55
Citations
12232
World Ranking
12026
National Ranking
3226

James A. Cowan 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 James A. Cowan 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: 284 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

James A. Cowan 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 James A. Cowan 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

  • 2011 - Bioinorganic Chemistry Award, Royal Society of Chemistry (UK)
  • 2009 - Fellow of the American Chemical Society
  • 1997 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1992 - Fellow of Alfred P. Sloan Foundation

Overview

James A. Cowan is affiliated with The Ohio State University in the United States. Their research primarily spans the field of Biochemistry, Genetics and Molecular Biology, with a focus on several subfields including Molecular Biology, Renewable Energy, Sustainability and the Environment, Materials Chemistry, Nutrition and Dietetics, and Inorganic Chemistry.

Their scholarly output covers a diverse range of topics including:

  • Metalloenzymes and iron-sulfur proteins
  • Trace Elements in Health
  • DNA and Nucleic Acid Chemistry
  • Chemical Synthesis and Analysis
  • Advanced biosensing and bioanalysis techniques
  • RNA Interference and Gene Delivery
  • Mitochondrial Function and Pathology

Notable recent publications include:

  • Glutathione-coordinated metal complexes as substrates for cellular transporters, 2021, Metallomics
  • Artificial Metalloenzymes: Recent Developments and Innovations in Bioinorganic Catalysis, 2020, Small
  • Copper(ii)l/d-valine-(1,10-phen) complexes target human telomeric G-quadruplex motifs and promote site-specific DNA cleavage and cellular cytotoxicity, 2020, Dalton Transactions
  • Structures of Atm1 provide insight into [2Fe-2S] cluster export from mitochondria, 2022, Nature Communications
  • Defining the mechanism of the mitochondrial Atm1p [2Fe-2S] cluster exporter, 2020, Metallomics

Frequent co-authors in their body of work include:

  • Zhen Yu
  • Amber L. Hendricks
  • Zechariah Thompson
  • Farukh Arjmand
  • Sabiha Parveen

Publication venues where James A. Cowan has contributed multiple works include:

  • Metallomics
  • Zenodo (CERN European Organization for Nuclear Research)
  • The Cambridge Structural Database
  • Dalton Transactions
  • International Journal of Molecular Sciences

James A. Cowan has received awards and honors including:

  • Bioinorganic Chemistry Award, Royal Society of Chemistry (UK), 2011
  • Fellow of the American Chemical Society, 2009
  • Fellow of the American Association for the Advancement of Science (AAAS), 1997
  • Fellow of Alfred P. Sloan Foundation, 1992

Best Publications

  • Magnesium chemistry and biochemistry

    Michael E Maguire;James A Cowan

  • Metal Activation of Enzymes in Nucleic Acid Biochemistry.

    Cowan Ja

  • Structural and catalytic chemistry of magnesium-dependent enzymes.

    Cowan Ja

  • Iron-sulfur cluster biosynthesis. Characterization of frataxin as an iron donor for assembly of [2Fe-2S] clusters in ISU-type proteins.

    Taejin Yoon;J A Cowan

  • DNA cleavage by copper-ATCUN complexes. Factors influencing cleavage mechanism and linearization of dsDNA.

    Yan Jin;J. A. Cowan

  • Frataxin-mediated Iron Delivery to Ferrochelatase in the Final Step of Heme Biosynthesis

    Taejin Yoon;J.A. Cowan

  • Catalytic hydrolysis of DNA by metal ions and complexes.

    Alavattam Sreedhara;J. A. Cowan

  • Efficient Inorganic Deoxyribonucleases. Greater than 50-Million-Fold Rate Enhancement in Enzyme-Like DNA Cleavage

    Alavattam Sreedhara;and John D. Freed;J. A. Cowan

  • Control of cytochrome C redox potential: axial ligation and protein environment effects.

    Unknown

  • Competitive Binding in Magnesium Coordination Chemistry: Water versus Ligands of Biological Interest

    Todor Dudev;J. A. Cowan;Carmay Lim

  • A unique mechanism for RNA catalysis: the role of metal cofactors in hairpin ribozyme cleavage.

    Unknown

  • Chemistry of Nitric Oxide with Protein-Bound Iron Sulfur Centers. Insights on Physiological Reactivity

    Matthew W. Foster;J. A. Cowan

  • Factors Influencing the DNA Nuclease Activity of Iron, Cobalt, Nickel, and Copper Chelates

    Jeff C. Joyner;Jared Reichfield;J. A. Cowan

  • Photoinduced electron transfer in pyromellitimide-bridged porphyrins

    R.J. Harrison;B. Pearce;G.S. Beddard;J.A. Cowan

  • Influence of stereochemistry and redox potentials on the single- and double-strand DNA cleavage efficiency of Cu(II) and Ni(II) Lys-Gly-His-derived ATCUN metallopeptides.

    Unknown

  • Iron-sulfur cluster biosynthesis. Kinetic analysis of [2Fe-2S] cluster transfer from holo ISU to apo Fd: Role of redox chemistry and a conserved aspartate

    Shu-Pao Wu;Gong Wu;Kristene K. Surerus;J. A. Cowan

  • Iron-sulfur cluster biosynthesis: toward an understanding of cellular machinery and molecular mechanism.

    Sheref S. Mansy;J. A. Cowan

  • Metallobiochemistry of RNA. Co(NH3)63+ as a probe for Mg2+(aq) binding sites

    J.A. Cowan

  • Iron-Sulfur Cluster Biosynthesis THERMATOGA MARITIMA IscU IS A STRUCTURED IRON-SULFUR CLUSTER ASSEMBLY PROTEIN

    Sheref S. Mansy;Gong Wu;Kristene K. Surerus;J.A. Cowan

  • Glutathione complexed Fe-S centers.

    Wenbin Qi;Jingwei Li;C. Y. Chain;G. A. Pasquevich

  • Structural and catalytic roles for divalent magnesium in nucleic acid biochemistry

    Alavattam Sreedhara;J.A. Cowan

  • Characterization of an iron-sulfur cluster assembly protein (ISU1) from Schizosaccharomyces pombe.

    Gong Wu;Sheref S. Mansy;Shu-pao Wu;Kristene K. Surerus

  • A Mutant Human IscU Protein Contains a Stable [2Fe−2S]2+ Center of Possible Functional Significance

    Matthew W. Foster;Sheref S. Mansy;Jungwon Hwang;James E. Penner-Hahn

  • Chemical nucleases.

    Unknown

Frequent Co-Authors

Shu-Pao Wu
Shu-Pao Wu National Yang Ming Chiao Tung University
Ivano Bertini
Ivano Bertini University of Florence
Claudio Luchinat
Claudio Luchinat University of Florence
Michael E. Maguire
Michael E. Maguire Case Western Reserve University
Russ Hille
Russ Hille University of California, Riverside
Farukh Arjmand
Farukh Arjmand Aligarh Muslim University
Yong Xiong
Yong Xiong Yale University
Sheldon G. Shore
Sheldon G. Shore The Ohio State University
Vicki H. Wysocki
Vicki H. Wysocki The Ohio State University
James E. Penner-Hahn
James E. Penner-Hahn University of Michigan–Ann Arbor

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

Studying Chemistry in the USA opens doors to diverse career paths beyond traditional laboratory roles. For those interested in legal environments, understanding the types of paralegals and salaries can guide chemistry graduates toward specialized legal support positions involving patent law or environmental regulations.

Pharmaceutical sales is another promising avenue, where a strong chemistry background can be an asset. Learning about the pharmaceutical sales rep salary and career paths helps in making informed decisions about entering this competitive field.

For those aiming to advance into healthcare, becoming a pharmacist remains a popular choice. However, it is important to consider how much investment is needed. Resources explaining how much does it cost to become a pharmacist provide valuable insights on education expenses and requirements.

Additionally, careers such as forensic science roles offer unique opportunities. Exploring programs like an autopsy technician school can help chemistry students transition into forensic or medical examination fields with relevant certifications.

Best Scientists Citing James A. Cowan

Trending Scientists