World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
47
Citations
8062
World Ranking
15636
National Ranking
865

Jim A. Thomas 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 Jim A. Thomas 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: 151 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Jim A. Thomas 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 Jim A. Thomas 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: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Overview

Jim A. Thomas is affiliated with the University of Sheffield in the United Kingdom. Their research spans several interconnected fields primarily within Biochemistry, Genetics, and Molecular Biology, with significant contributions in Medicine.

The main fields of study include:

  • Biochemistry, Genetics and Molecular Biology
  • Medicine

They have further specialized in subfields such as:

  • Molecular Biology
  • Materials Chemistry
  • Oncology
  • Organic Chemistry
  • Biomedical Engineering

Their research focuses on various advanced topics, including:

  • Metal complexes synthesis and properties
  • DNA and Nucleic Acid Chemistry
  • Advanced biosensing and bioanalysis techniques
  • Nanoplatforms for cancer theranostics
  • Photodynamic Therapy Research Studies
  • Click Chemistry and Applications
  • Advanced Fluorescence Microscopy Techniques

Jim A. Thomas has published extensively in diverse high-profile scientific venues with the most frequent publication platforms being:

  • Chemical Science
  • Journal of the American Chemical Society
  • Dalton Transactions
  • Chemistry - A European Journal
  • The Cambridge Structural Database

Their recent papers include:

  • "A Dinuclear Ruthenium(II) Complex Excited by Near-Infrared Light through Two-Photon Absorption Induces Phototoxicity Deep within Hypoxic Regions of Melanoma Cancer Spheroids" (2020), Journal of the American Chemical Society
  • "Photoactive metal complexes that bind DNA and other biomolecules as cell probes, therapeutics, and theranostics" (2020), Chemical Communications
  • "Mononuclear ruthenium(ii) theranostic complexes that function as broad-spectrum antimicrobials in therapeutically resistant pathogens through interaction with DNA" (2020), Chemical Science
  • "Triazole-based osmium(ii) complexes displaying red/near-IR luminescence: antimicrobial activity and super-resolution imaging" (2020), Chemical Science
  • "A Dinuclear Osmium(II) Complex Near-Infrared Nanoscopy Probe for Nuclear DNA" (2021), Journal of the American Chemical Society

Frequent collaborators in their research include:

  • Simon D. Fairbanks
  • Sreejesh Sreedharan
  • Craig C. Robertson
  • Kirsty L. Smitten
  • Jorge Bernardino de la Serna

Best Publications

  • Kinetically inert transition metal complexes that reversibly bind to DNA

    Clive Metcalfe;Jim A. Thomas

  • Ruthenium(II) polypyridyl complexes and DNA—from structural probes to cellular imaging and therapeutics

    Martin R. Gill;Jim A. Thomas

  • A ruthenium( II ) polypyridyl complex for direct imaging of DNA structure in living cells

    Martin R. Gill;Jorge Garcia-Lara;Simon J. Foster;Carl Smythe

  • Dinuclear monointercalating RuII complexes that display high affinity binding to duplex and quadruplex DNA.

    Chatna Rajput;Ramune Rutkaite;Linda Swanson;Ihtshamul Haq

  • Dinuclear Ruthenium( II) Complexes as Two- Photon, Time- Resolved Emission Microscopy Probes for Cellular DNA

    Elizabeth Baggaley;Martin R. Gill;Nicola H. Green;David Turton

  • Optical imaging probes for biomolecules: an introductory perspective

    Jim A. Thomas

  • Targeting the endoplasmic reticulum with a membrane-interactive luminescent ruthenium(II) polypyridyl complex

    Martin R. Gill;Denis Cecchin;Michael G. Walker;Raminder S. Mulla

  • A Dinuclear Ruthenium(II) Complex Excited by Near-Infrared Light through Two-Photon Absorption Induces Phototoxicity Deep within Hypoxic Regions of Melanoma Cancer Spheroids.

    Ahtasham Raza;Stuart A Archer;Simon D Fairbanks;Kirsty L Smitten

  • Structural Studies on Dinuclear Ruthenium(II) Complexes That Bind Diastereoselectively to an Antiparallel Folded Human Telomere Sequence

    Tom Wilson;Paulo J. Costa;Vítor Félix;Mike P. Williamson

  • Ruthenium(II) Metallo-intercalators: DNA Imaging and Cytotoxicity

    Martin R. Gill;Hanan Derrat;Carl G. W. Smythe;Giuseppe Battaglia

  • A Multifunctional Light Switch: DNA Binding and Cleavage Properties of a Heterobimetallic Ruthenium–Rhenium Dipyridophenazine Complex†

    Simon P. Foxon;Tim Phillips;Martin R. Gill;Michael Towrie

  • Electrochemical and photophysical properties of DNA metallo-intercalators containing the ruthenium(II) tris(1-pyrazolyl)methane unit.

    Simon P. Foxon;Clive Metcalfe;Harry Adams;Michelle Webb

  • Extended terpyridyl and triazine complexes of d6-metal centres

    Clive Metcalfe;Sharon Spey;Harry Adams;Jim A. Thomas

  • Multimodal Super-resolution Optical Microscopy Using a Transition-Metal-Based Probe Provides Unprecedented Capabilities for Imaging Both Nuclear Chromatin and Mitochondria

    Sreejesh Sreedharan;Martin Gill;Esther Garcia;Hiwa K. Saeed

  • Photophysical properties and singlet oxygen production by ruthenium(II) complexes of benzo[i]dipyrido[3,2-a:2',3'-c]phenazine: spectroscopic and TD-DFT study

    Simon P. Foxon;Mohammed A. H. Alamiry;Mike G. Walker;Anthony J. H. M. Meijer

  • Locking self-assembly: strategies and outcomes

    Jim A. Thomas

  • Self-assembly of a supramolecular cube

    Sue Roche;Claire Haslam;Sarah L. Heath;Jim A. Thomas

  • Stereoisomerically controlled inorganic architectures: synthesis of enantio- and diastereo-merically pure ruthenium–palladium molecular rods from enantiopure building blocks

    Kenneth Wärnmark;Jim A. Thomas;Olga Heyke;Jean-Marie Lehn

  • Metal ion directed self-assembly of sensors for ions, molecules and biomolecules

    Jim A. Thomas

  • Studies on the interaction of extended terpyridyl and triazine metal complexes with DNA.

    Clive Metcalfe;Chatna Rajput;Jim A. Thomas

  • DNA binding of an organic dppz-based intercalator.

    Tim Phillips;Ihtshamul Haq;Anthony J. H. M. Meijer;Harry Adams

  • Differentiating quadruplexes: binding preferences of a luminescent dinuclear ruthenium(II) complex with four-stranded DNA structures.

    Tom Wilson;Mike P. Williamson;Jim A Thomas

Frequent Co-Authors

Harry Adams
Harry Adams University of Sheffield
Amitava Das
Amitava Das Indian Institute of Science Education and Research Kolkata
Vítor Félix
Vítor Félix University of Aveiro
John W. Haycock
John W. Haycock University of Sheffield
Miguel Julve
Miguel Julve University of Valencia
Giuseppe Battaglia
Giuseppe Battaglia Institute for Bioengineering of Catalonia
Michael P. Williamson
Michael P. Williamson University of Sheffield
Michael D. Ward
Michael D. Ward New York University
Sheila MacNeil
Sheila MacNeil University of Sheffield
Francesc Lloret
Francesc Lloret University of Valencia

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