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Jean-François Focant

Jean-François Focant

University of Liège
Belgium

D-Index & Metrics

Chemistry

D-Index
52
Citations
8054
World Ranking
13679
National Ranking
169

Jean-François Focant 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 Jean-François Focant 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: 586 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Jean-François Focant 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 Jean-François Focant 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: 52 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Jean-François Focant is a researcher affiliated with the University of Liège in Belgium. Their scientific contributions are predominantly situated within the field of Biochemistry, Genetics and Molecular Biology, with a specific focus on subfields such as Cancer Research, Spectroscopy, Molecular Biology, Atomic and Molecular Physics, and Biomedical Engineering.

They have addressed multiple complex topics through their research, including:

  • Cancer, Lipids, and Metabolism
  • Cancer, Hypoxia, and Metabolism
  • Metabolism, Diabetes, and Cancer
  • Molecular Spectroscopy and Structure
  • Advanced Chemical Physics Studies
  • Analytical Chemistry and Chromatography
  • Advanced Chemical Sensor Technologies

Their recent scholarly publications demonstrate engagement with advanced analytical techniques and chemometric approaches. Selected papers include:

  • "Advanced chemometric and data handling tools for GC×GC-TOF-MS," 2021, published in TrAC Trends in Analytical Chemistry
  • "A benchmarking protocol for breath analysis: the peppermint experiment," 2020, published in Journal of Breath Research
  • "30th Anniversary of comprehensive two-dimensional gas chromatography: Latest advances," 2021, published in Analytical Science Advances
  • "Distinguishing between Decaffeinated and Regular Coffee by HS-SPME-GC×GC-TOFMS, Chemometrics, and Machine Learning," 2022, published in Molecules
  • "The role of sample preparation in multidimensional gas chromatographic separations for non-targeted analysis with the focus on recent biomedical, food, and plant applications," 2020, published in Journal of Separation Science

Frequent collaborators in their research include:

  • Marie-Alice Meuwis
  • Édouard Louis
  • Nicolas Di Giovanni
  • Lena Dubois
  • Benedikt Weggler

Their work has been regularly published in the following venues:

  • Harvard Dataverse
  • Journal of Separation Science
  • Analytical Chemistry
  • Journal of Chromatography A
  • Talanta

The scope of Jean-François Focant's research reflects a convergence of chemical analysis, spectroscopy, and molecular biology with a strong emphasis on cancer-related metabolism and advanced analytical chemistry techniques. This interdisciplinary approach intersects with both fundamental studies and applications in biomedical and environmental contexts.

Best Publications

  • Retrospective time-trend study of polybrominated diphenyl ether and polybrominated and polychlorinated biphenyl levels in human serum from the United States.

    Andreas Sjödin;Richard S. Jones;Jean François Focant;Chester Lapeza

  • Semiautomated High-Throughput Extraction and Cleanup Method for the Measurement of Polybrominated Diphenyl Ethers, Polybrominated Biphenyls, and Polychlorinated Biphenyls in Human Serum

    Andreas Sjödin;Richard S. Jones;Chester R. Lapeza;Jean François Focant

  • Concentration of polybrominated diphenyl ethers (PBDEs) in household dust from various countries

    Andreas Sjödin;Olaf Päpke;Ernest McGahee;Jean François Focant

  • Evaluation of hazardous chemicals in edible insects and insect-based food intended for human consumption.

    Giulia Poma;Matthias Cuykx;Elvio Amato;Chiara Calaprice

  • Dioxin/polychlorinated biphenyl body burden, diabetes and endometriosis: findings in a population-based study in Belgium.

    Sébastien Fierens;Hélène Mairesse;Jean-franc¸ois Heilier;Claire De Burbure

  • Levels and congener distributions of PCDDs, PCDFs and non-ortho PCBs in Belgian foodstuffs-assessment of dietary intake

    J.-F Focant;G Eppe;C Pirard;A.-C Massart

  • Measurement of Selected Polybrominated Diphenyl Ethers, Polybrominated and Polychlorinated Biphenyls, and Organochlorine Pesticides in Human Serum and Milk Using Comprehensive Two-Dimensional Gas Chromatography Isotope Dilution Time-of-Flight Mass Spectrometry

    Jean François Focant;Andreas Sjödin;Wayman I. Turner;Donald G. Patterson

  • Enhanced characterization of the smell of death by comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGC-TOFMS).

    Jessica Dekeirsschieter;Pierre-Hugues Stefanuto;Catherine Brasseur;Eric Haubruge

  • Exhaled Volatile Organic Compounds Are Able to Discriminate between Neutrophilic and Eosinophilic Asthma

    Florence N Schleich;Delphine Zanella;Pierre-Hugues Stefanuto;Kirill Bessonov

  • Development and validation of a multi-residue method for pesticide determination in honey using on-column liquid–liquid extraction and liquid chromatography–tandem mass spectrometry

    C. Pirard;J. Widart;B.K. Nguyen;C. Deleuze

  • Characterization of volatile organic compounds from human analogue decomposition using thermal desorption coupled to comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry.

    Sonja Stadler;Pierre-Hugues Stefanuto;Michał Brokl;Shari L Forbes;Shari L Forbes

  • Fast Clean-up for Polychlorinated Dibenzo-P-Dioxins, Dibenzofurans and Coplanar Polychlorinated Biphenyls Analysis of High-Fat-Content Biological Samples

    Jean-François Focant;Gauthier Eppe;Catherine Pirard;Edwin De Pauw

  • Improved separation of the 209 polychlorinated biphenyl congeners using comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry.

    Jean François Focant;Andreas Sjödin;Donald G. Patterson

  • Comprehensive two-dimensional gas chromatography with isotope dilution time-of-flight mass spectrometry for the measurement of dioxins and polychlorinated biphenyls in foodstuffs. Comparison with other methods.

    Jean-François Focant;Gauthier Eppe;Marie-Louise Scippo;Anne-Cécile Massart

  • Automated sample preparation-fractionation for the measurement of dioxins and related compounds in biological matrices: a review.

    Jean-François Focant;Catherine Pirard;Edwin De Pauw

  • New strategy for comprehensive analysis of polybrominated diphenyl ethers, polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans and polychlorinated biphenyls by gas chromatography coupled with mass spectrometry

    Catherine Pirard;Edwin De Pauw;Jean-François Focant

  • Comparison of the Decomposition VOC Profile during Winter and Summer in a Moist, Mid-latitude (Cfb) Climate

    Shari L. Forbes;Katelynn A. Perrault;Pierre-Hugues Stefanuto;Katie D. Nizio

  • Advanced method optimization for volatile aroma profiling of beer using two-dimensional gas chromatography time-of-flight mass spectrometry.

    Pierre-Hugues Stefanuto;Katelynn A. Perrault;Lena M. Dubois;Benjamin L’Homme

  • Effects of a sublethal pesticide exposure on locomotor behavior: A video-tracking analysis in larval amphibians

    Mathieu Denoël;Sylvie Libon;Patrick Kestemont;Catherine Brasseur

  • Dietary intake of PCDD/Fs and dioxin-like PCBs of the Belgian population

    Isabelle Windal;S. Vandevijvere;M. Maleki;S. Goscinny

  • Comprehensive two-dimensional gas chromatography–time-of-flight mass spectrometry for the forensic study of cadaveric volatile organic compounds released in soil by buried decaying pig carcasses

    Catherine Brasseur;Jessica Dekeirsschieter;Eline M.J. Schotsmans;Sjaak de Koning

  • Development of an absolute quantification method targeting growth hormone biomarkers using liquid chromatography coupled to isotope dilution mass spectrometry

    Stéphanie Kirsch;Joëlle Widart;Joel Louette;Jean-François Focant

Frequent Co-Authors

Edwin De Pauw
Edwin De Pauw University of Liège
Renaud Louis
Renaud Louis University of Liège
Donald G. Patterson
Donald G. Patterson Centers for Disease Control and Prevention
Eric Haubruge
Eric Haubruge University of Liège
Andreas Sjödin
Andreas Sjödin Centers for Disease Control and Prevention
Edouard Louis
Edouard Louis University of Liège
Alfred Bernard
Alfred Bernard Université Catholique de Louvain
Frédéric Francis
Frédéric Francis Gembloux Agro-Bio Tech
Philippe Thonart
Philippe Thonart University of Liège
Daniel Portetelle
Daniel Portetelle University of Liège

External Links

Personal website of Jean-François Focant

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Best Scientists Citing Jean-François Focant

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Esteban Abad

Esteban Abad

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Publications: 30

Antonia M. Calafat

Antonia M. Calafat

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Publications: 24

Donald G. Patterson

Donald G. Patterson

Centers for Disease Control and Prevention

Publications: 23

Luigi Mondello

Luigi Mondello

University of Messina

Publications: 22

Heather M. Stapleton

Heather M. Stapleton

Duke University

Publications: 20

Kimberly Yolton

Kimberly Yolton

Cincinnati Children's Hospital Medical Center

Publications: 19

Brenda Eskenazi

Brenda Eskenazi

University of California, Berkeley

Publications: 18

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Jochen F. Mueller

University of Queensland

Publications: 18

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Asa Bradman

University of California, Berkeley

Publications: 18

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José L. Domingo

Rovira i Virgili University

Publications: 17

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Germaine M. Buck Louis

George Mason University

Publications: 17

Thomas F. Webster

Thomas F. Webster

Boston University

Publications: 16

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