World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
44
Citations
9124
World Ranking
16690
National Ranking
731

Klaus Brettel 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 Klaus Brettel 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: 105 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Klaus Brettel 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 Klaus Brettel 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: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Overview

Klaus Brettel is affiliated with the University of Paris-Saclay in France and specializes in research within the broad field of Biochemistry, Genetics and Molecular Biology.

Their work spans several subfields, including Molecular Biology, Renewable Energy, Sustainability and the Environment, Plant Science, Materials Chemistry, and Cellular and Molecular Neuroscience.

The recent scholarly output includes four publications across different scientific journals and topics. The papers are:

  • "Mechanism and dynamics of fatty acid photodecarboxylase," published in 2021 in Science
  • "Kinetics of Electron Returns in Successive Two-Photon DNA Repair by (6-4) Photolyase," published in 2022 in ACS Catalysis
  • "Flash absorption spectroscopy," published in 2020 in Bulletin de la Société Royale des Sciences de Liège
  • "High-resolution structure and reaction cycle of fatty acid photodecarboxylase: anatomy of a crime scene," published in 2021 in Acta Crystallographica Section A Foundations and Advances

Brettel's frequent co-authors include Damien Sorigué, Kyprianos Hadjidemetriou, Stéphanie Blangy, Guillaume Gotthard, and Pierre Legrand, with multiple collaborations documented with each.

The main publication venues for this scientist are Science, ACS Catalysis, Bulletin de la Société Royale des Sciences de Liège, and Acta Crystallographica Section A Foundations and Advances.

Main topics covered in their research are:

  • Photosynthetic Processes and Mechanisms
  • Algal biology and biofuel production
  • Enzyme Catalysis and Immobilization
  • Light effects on plants
  • Photochromic and Fluorescence Chemistry
  • Photoreceptor and optogenetics research
  • Water Quality Monitoring and Analysis

Best Publications

  • The Cryptochromes: Blue Light Photoreceptors in Plants and Animals

    Inês Chaves;Richard Pokorny;Martin Byrdin;Nathalie Hoang

  • Electron transfer and arrangement of the redox cofactors in photosystem I

    Klaus Brettel

  • Intraprotein radical transfer during photoactivation of DNA photolyase.

    Corinne Aubert;Marten H. Vos;Paul Mathis;André P. M. Eker

  • Electron transfer in photosystem I.

    Klaus Brettel;Winfried Leibl

  • An algal photoenzyme converts fatty acids to hydrocarbons

    Damien Sorigué;Bertrand Légeret;Stéphan Cuiné;Stéphanie Blangy

  • Light-induced electron transfer in a cryptochrome blue-light photoreceptor.

    Baldissera Giovani;Martin Byrdin;Margaret Ahmad;Margaret Ahmad;Klaus Brettel

  • Nanosecond reduction kinetics of photooxidized chlorophyll-aII (P-680) in single flashes as a probe for the electron pathway, H+-release and charge accumulation in the O2-evolving complex☆

    K. Brettel;E. Schlodder;H.T. Witt

  • Reaction mechanisms of DNA photolyase.

    Klaus Brettel;Martin Byrdin

  • Temperature dependence of forward and reverse electron transfer from A1-, the reduced secondary electron acceptor in photosystem I.

    Eberhard Schlodder;Klaus Falkenberg;Martin Gergeleit;Klaus Brettel

  • Light-induced Electron Transfer in Arabidopsis Cryptochrome-1 Correlates with in Vivo Function

    Anke Zeugner;Martin Byrdin;Jean-Pierre Bouly;Nadia Bakrim

  • Intraprotein electron transfer between tyrosine and tryptophan in DNA photolyase from Anacystis nidulans.

    Corinne Aubert;Paul Mathis;André P. M. Eker;Klaus Brettel

  • Mechanism and dynamics of fatty acid photodecarboxylase

    Damien Sorigué;Kyprianos Hadjidemetriou;S. Blangy;G. Gotthard

  • Charge Recombination Reactions in Photosystem II. 1. Yields, Recombination Pathways, and Kinetics of the Primary Pair

    F van Mieghem;K Brettel;B Hillmann;A Kamlowski

  • Electron transfer from A− 1 to an iron-sulfur center with t = 200 ns at room temperature in photosystem I Characterization by flash absorption spectroscopy

    K. Brettel

  • Flash‐induced absorption changes in photosystem I at low temperature: evidence that the electron acceptor A1 is vitamin K1

    K. Brettel;P. Sétif;P. Mathis

  • Optical characterization of the immediate electron donor to chlorophyll a+II in O2‐evolving photosystem II complexes Tyrosine as possible electron carrier between chlorophyll aII and the water‐oxidizing manganese complex

    S. Gerken;K. Brettel;E. Schlodder;H.T. Witt

  • Electron transfer in cyanobacterial Photosystem I. II. Determination of forward electron transfer rates of site-directed mutants in a putative electron transfer pathway from A0 through A1 to FX

    Wu Xu;Parag R. Chitnis;Alfia Valieva;Art van der Est

  • Rapid formation of the stable tyrosyl radical in photosystem II

    Peter Faller;Richard J. Debus;Klaus Brettel;Miwa Sugiura

  • Forward electron transfer from phylloquinone A1 to iron-sulfur centers in spinach photosystem I

    Pierre Setif;Klaus Brettel

  • Dissection of the triple tryptophan electron transfer chain in Escherichia coli DNA photolyase: Trp382 is the primary donor in photoactivation

    Martin Byrdin;André P. M. Eker;Marten H. Vos;Klaus Brettel

  • Electron hopping through the 15 A triple tryptophan molecular wire in DNA photolyase occurs within 30 ps.

    Andras Lukacs;André P. M. Eker;Martin Byrdin;Klaus Brettel

  • A systematic survey of conserved histidines in the core subunits of Photosystem I by site‐directed mutagenesis reveals the likely axial ligands of P700

    Kevin Redding;Fraser MacMillan;Winfried Leibl;Klaus Brettel

Frequent Co-Authors

Eberhard Schlodder
Eberhard Schlodder Technical University of Berlin
Horst Tobias Witt
Horst Tobias Witt Technical University of Berlin
Margaret Ahmad
Margaret Ahmad Xavier University
Shigenori Iwai
Shigenori Iwai Osaka University
John H. Golbeck
John H. Golbeck Pennsylvania State University
Robert Bittl
Robert Bittl Freie Universität Berlin
Corinne Aubert
Corinne Aubert Sorbonne University
Alain Boussac
Alain Boussac Centre national de la recherche scientifique, CNRS
Lars-Oliver Essen
Lars-Oliver Essen Philipp University of Marburg
Jean-David Rochaix
Jean-David Rochaix University of Geneva

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