World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
81
Citations
28643
World Ranking
3196
National Ranking
178

Dennis Chapman 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 Dennis Chapman 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: 392 publications — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Dennis Chapman 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 Dennis Chapman 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: 81 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

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

Overview

Dennis Chapman was affiliated with The Royal Free Hospital in the United Kingdom. Their research contributions spanned multiple areas within engineering, particularly emphasizing biomedical engineering, electrical and electronic engineering, and spectroscopy.

Their work addressed topics related to photocathodes and microchannel plates, laser design and applications, and spectroscopy and laser applications. These topics reflect a focus on the interaction of laser technologies with electronic and biomedical systems.

Dennis Chapman authored two recent papers:

  • Erratum: Source size measurement options for low-emittance light sources, 2021, Physical Review Accelerators and Beams
  • Are Semiautomatic Rifles "Dangerous and Unsual" Weapons?, 2022, SSRN Electronic Journal

Frequent coauthors during their career included:

  • Nazanin Samadi
  • Xiaowen Shi
  • Les Dallin

They published regularly in the venues Physical Review Accelerators and Beams and SSRN Electronic Journal.

Best Publications

  • Preservation of Membranes in Anhydrobiotic Organisms: The Role of Trehalose

    John H. Crowe;Lois M. Crowe;Dennis Chapman

  • Determination of protein secondary structure by Fourier transform infrared spectroscopy: a critical assessment.

    Witold K. Surewicz;Henry H. Mantsch;Dennis Chapman

  • Physical studies of phospholipids. VI. Thermotropic and lyotropic mesomorphism of some 1,2-diacyl-phosphatidylcholines (lecithins)

    Unknown

  • Studies on lecithin-cholesterol-water interactions by differential scanning calorimetry and X-ray diffraction.

    Unknown

  • Dynamics of lipids in membranes: Heterogeneity and the role of cholesterol.

    Eric Oldfield;D. Chapman

  • Phase transitions and fluidity characteristics of lipids and cell membranes

    Unknown

  • The conformational analysis of peptides using Fourier transform IR spectroscopy.

    Parvez I. Haris;Dennis Chapman

  • Biomembrane surfaces as models for polymer design: the potential for haemocompatibility☆

    James A. Hayward;Dennis Chapman

  • Monolayer characteristics of saturated 1,2,-diacyl phosphatidylcholines (lecithins) and phosphatidylethanolamines at the air-water interface.

    Unknown

  • Studies on simple and mixed bile salt micelles by nuclear magnetic resonance spectroscopy.

    Unknown

  • Determination of protein secondary structure using factor analysis of infrared spectra

    David C. Lee;Parvez I. Haris;Dennis Chapman;Robert C. Mitchell

  • INTRINSIC PROTEIN-LIPID INTERACTIONS Physical and biochemical evidence

    D. Chapman;J.C. Gómez-Fernández;F.M. Goñi

  • Phospholipid polymers—Synthesis and spectral characteristics

    David Samuel Johnston;Sukhpal Sanghera;Miquel Pons;Dennis Chapman

  • Does Fourier-transform infrared spectroscopy provide useful information on protein structures?

    Parvez I. Haris;Dennis Chapman

  • Effects of cholesterol and cholesterol derivatives on hydrocarbon chain mobility in lipids

    Eric Oldfield;D. Chapman

  • Molecular interactions in mixed lecithin systems.

    Unknown

  • Raman scattering in bilayers of saturated phosphatidylcholines. Experiment and theory.

    David A. Pink;Trevor J. Green;Dennis Chapman

  • Phospholipid phase transitions. Effects of n-alcohols, n-monocarboxylic acids, phenylalkyl alcohols and quatenary ammonium compounds

    A.W. Eliasz;D. Chapman;D.F. Ewing

  • Studies of peptides forming 3(10)- and alpha-helices and beta-bend ribbon structures in organic solution and in model biomembranes by Fourier transform infrared spectroscopy.

    Unknown

  • Interactions of helical polypeptide segments which span the hydrocarbon region of lipid bilayers: Studies of the gramicidin alipid-water system

    D. Chapman;B.A. Cornell;A.W. Eliasz;A. Perry

  • Conformational transitions in poly (L-lysine): studies using Fourier transform infrared spectroscopy

    Michael Jackson;Parvez I. Haris;Dennis Chapman

  • Interactions of phospholipid monolayers with carbohydrates.

    John H. Crowe;John H. Crowe;Mary A. Whittam;Dennis Chapman;Lois M. Crowe;Lois M. Crowe

  • Cholesterol modulates activity of calcium-dependent ATPase of the sarcoplasmic reticulum.

    T D Madden;D Chapman;P J Quinn

  • Fourier transform infrared spectroscopic studies of Ca(2+)-binding proteins.

    Michael Jackson;Parvez I. Haris;Dennis Chapman

  • Lipid phase transitions in model biomembranes. The effect of ions on phosphatidylcholine bilayers.

    D. Chapman;W.E. Peel;B. Kingston;T.H. Lilley

  • Infrared spectroscopic studies on interactions of water and carbohydrates with a biological membrane

    John H. Crowe;Lois M. Crowe;Lois M. Crowe;Dennis Chapman

  • Infrared Spectroscopic Studies of Biomembranes and Model Membranes

    David C. Lee;Dennis Chapman

  • Intrinsic protein-lipid interactions: Infrared spectroscopic studies of gramicidin A, bacteriorhodopsin and Ca2+-ATPase in biomembranes and reconstituted systems

    M. Cortijo;A. Alonso;J.C. Gomez-Fernandez;D. Chapman

Frequent Co-Authors

Miquel Pons
Miquel Pons University of Barcelona
John H. Crowe
John H. Crowe University of California, Davis
Stephen J. Perkins
Stephen J. Perkins University College London
Juan C. Gómez-Fernández
Juan C. Gómez-Fernández University of Murcia
Therese Wiedmer
Therese Wiedmer Scripps Research Institute
Istvan Toth
Istvan Toth University of Queensland
Howard R. Morris
Howard R. Morris Imperial College London
Kenneth B. M. Reid
Kenneth B. M. Reid University of Oxford
Michael B. Jackson
Michael B. Jackson University of Bristol
Paul F. Luckham
Paul F. Luckham Imperial College London

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