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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 81 3196 178 392 28643

Dennis Chapman publications per year

The chart shows the history of publications by Dennis Chapman between 1951 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Dennis Chapman published across 72 years, from 1951 to 2022, averaging 5.6 papers a year. Output peaked at 25 publications in 1969. 1 of the 402 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1951 to 2022. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 1969. 1951: 1 publication 1952: 0 publications 1953: 0 publications 1954: 2 publications 1955: 2 publications 1956: 4 publications 1957: 4 publications 1958: 3 publications 1959: 0 publications 1960: 2 publications 1961: 0 publications 1962: 2 publications 1963: 3 publications 1964: 2 publications 1965: 1 publication 1966: 8 publications 1967: 7 publications 1968: 13 publications 1969: 25 publications 1970: 7 publications 1971: 15 publications 1972: 17 publications 1973: 6 publications 1974: 9 publications 1975: 4 publications 1976: 5 publications 1977: 6 publications 1978: 4 publications 1979: 12 publications 1980: 16 publications 1981: 9 publications 1982: 12 publications 1983: 11 publications 1984: 12 publications 1985: 15 publications 1986: 22 publications 1987: 20 publications 1988: 20 publications 1989: 19 publications 1990: 9 publications 1991: 8 publications 1992: 11 publications 1993: 15 publications 1994: 13 publications 1995: 9 publications 1996: 9 publications 1997: 1 publication 1998: 1 publication 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 1 publication 2003: 0 publications 2004: 0 publications 2005: 1 publication 2006: 0 publications 2007: 0 publications 2008: 0 publications 2009: 0 publications 2010: 0 publications 2011: 0 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 2 publications 2020: 0 publications 2021: 0 publications 2022: 1 publication
1951 2022

402 publications in total across all disciplines

View publications per year as a table
Dennis Chapman: publications per year, 1951 to 2022
Year Publications
1951 1
1952 0
1953 0
1954 2
1955 2
1956 4
1957 4
1958 3
1959 0
1960 2
1961 0
1962 2
1963 3
1964 2
1965 1
1966 8
1967 7
1968 13
1969 25
1970 7
1971 15
1972 17
1973 6
1974 9
1975 4
1976 5
1977 6
1978 4
1979 12
1980 16
1981 9
1982 12
1983 11
1984 12
1985 15
1986 22
1987 20
1988 20
1989 19
1990 9
1991 8
1992 11
1993 15
1994 13
1995 9
1996 9
1997 1
1998 1
1999 0
2000 0
2001 0
2002 1
2003 0
2004 0
2005 1
2006 0
2007 0
2008 0
2009 0
2010 0
2011 0
2012 1
2013 0
2014 0
2015 0
2016 0
2017 0
2018 0
2019 2
2020 0
2021 0
2022 1
Total 402
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 381–400 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459 392
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 80–81 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354 81
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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