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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 69 6376 5788 367 332 430 12861

David Leys publications per year

The chart shows the history of publications by David Leys between 1985 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David Leys published across 41 years, from 1985 to 2025, averaging 12.4 papers a year. Output peaked at 38 publications in 2017. 12 of the 507 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1985 to 2025. Vertical axis: number of publications, 0 to 38. Peak 38 publications in 2017. 1985: 1 publication 1986: 3 publications 1987: 2 publications 1988: 0 publications 1989: 1 publication 1990: 2 publications 1991: 4 publications 1992: 4 publications 1993: 2 publications 1994: 3 publications 1995: 6 publications 1996: 2 publications 1997: 0 publications 1998: 2 publications 1999: 8 publications 2000: 11 publications 2001: 6 publications 2002: 17 publications 2003: 16 publications 2004: 12 publications 2005: 15 publications 2006: 29 publications 2007: 20 publications 2008: 26 publications 2009: 32 publications 2010: 14 publications 2011: 11 publications 2012: 19 publications 2013: 24 publications 2014: 7 publications 2015: 35 publications 2016: 28 publications 2017: 38 publications 2018: 10 publications 2019: 27 publications 2020: 17 publications 2021: 20 publications 2022: 9 publications 2023: 12 publications 2024: 7 publications 2025: 5 publications
1985 2025

507 publications in total across all disciplines

View publications per year as a table
David Leys: publications per year, 1985 to 2025
Year Publications
1985 1
1986 3
1987 2
1988 0
1989 1
1990 2
1991 4
1992 4
1993 2
1994 3
1995 6
1996 2
1997 0
1998 2
1999 8
2000 11
2001 6
2002 17
2003 16
2004 12
2005 15
2006 29
2007 20
2008 26
2009 32
2010 14
2011 11
2012 19
2013 24
2014 7
2015 35
2016 28
2017 38
2018 10
2019 27
2020 17
2021 20
2022 9
2023 12
2024 7
2025 5
Total 507
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David Leys publications per year - data summary

  • David Leys, a Chemistry scholar from University of Manchester, has 507 publications recorded across 41 years, from 1985 to 2025.
  • The oldest publication on record dates to 1985 and the most recent to 2025.
  • The most productive year is 2017, with 38 publications.
  • The least productive years with any output are 1985 and 1989, with 1 publication each.
  • 2 of the 41 years in the span carry no publications at all (1988 and 1997).
  • The rate of publication averages 12.4 papers per year over the whole span, or 13.0 per year counting only the 39 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 53 publications, 10% of the career total.
  • Split into equal eras - 1985-1998: 32 publications (2.3 per year); 1999-2012: 236 publications (16.9 per year); 2013-2025: 239 publications (18.4 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

David Leys 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 David Leys 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, 421–440 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: 430 publications — 83rd percentile

83% 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
401–420 397
421–440 327 430
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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David Leys publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • David Leys, a Chemistry scholar from University of Manchester, records 430 publications - the 83rd percentile of the discipline.
  • 83% of ranked Chemistry scientists score the same or lower than David Leys, and about 17% score higher.
  • The median of the discipline falls in the 241–260 publications range, and David Leys ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

David Leys 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 David Leys 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, 68–69 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: 69 D-Index — 66th percentile

66% 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 69
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
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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David Leys D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • David Leys, a Chemistry scholar from University of Manchester, records 69 D-Index - the 66th percentile of the discipline.
  • 66% of ranked Chemistry scientists score the same or lower than David Leys, and about 34% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and David Leys ranks above the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

David Leys is affiliated with the University of Manchester in the United Kingdom. Their research principally spans the field of Biochemistry, Genetics, and Molecular Biology, with 73 publications in this domain. Leys's work delves into specialized subfields including Molecular Biology, Biotechnology, Biochemistry, Organic Chemistry, and Biomedical Engineering.

The scientist's main research topics encompass biochemical and biochemical processes, microbial metabolic engineering and bioproduction, enzyme catalysis and immobilization, biochemical acid research studies, porphyrin metabolism and disorders, photosynthetic processes and mechanisms, as well as biofuel production and bioconversion.

Leys has published several recent papers across various reputable journals, such as:

  • Synthetic Enzyme-Catalyzed CO2 Fixation Reactions, 2021, ChemSusChem
  • A guide to time-resolved structural analysis of light-activated proteins, 2021, FEBS Journal
  • Enzymatic C-H activation of aromatic compounds through CO2 fixation, 2020, Nature Chemical Biology
  • A Vitamin B2-Photocatalysed Approach to Methionine Analogues, 2022, Angewandte Chemie International Edition
  • Structure and Mechanism of Pseudomonas aeruginosa PA0254/HudA, a prFMN-Dependent Pyrrole-2-carboxylic Acid Decarboxylase Linked to Virulence, 2021, ACS Catalysis

Frequent coauthors collaborating with Leys include:

  • Karl Fisher
  • Sam Hay
  • K.A.P. Payne
  • Stephen Marshall
  • Colin Levy

Key publication venues for Leys comprise:

  • Nature Communications
  • FEBS Journal
  • Journal of Biological Chemistry
  • Nature Chemical Biology
  • Methods in enzymology on CD-ROM/Methods in enzymology

Best Publications

  • P450 BM3: the very model of a modern flavocytochrome.

    Andrew W Munro;David G Leys;Kirsty J McLean;Ker R Marshall

  • The structure and catalytic mechanism of a poly(ADP-ribose) glycohydrolase.

    Dea Slade;Mark S. Dunstan;Eva Barkauskaite;Ria Weston

  • Atomic description of an enzyme reaction dominated by proton tunneling

    Laura Masgrau;Anna Roujeinikova;Linus O. Johannissen;Parvinder Hothi

  • Overview of organohalide-respiring bacteria and a proposal for a classification system for reductive dehalogenases

    Laura A. Hug;Farai Maphosa;David Leys;Frank E. Löffler;Frank E. Löffler

  • Reductive dehalogenase structure suggests a mechanism for B12-dependent dehalogenation

    Karl A. P. Payne;Carolina P. Quezada;Karl Fisher;Mark S. Dunstan

  • New cofactor supports α,β-unsaturated acid decarboxylation via 1,3-dipolar cycloaddition

    Karl A. P. Payne;Mark D. White;Karl Fisher;Basile Khara

  • UbiX is a flavin prenyltransferase required for bacterial ubiquinone biosynthesis

    Mark D. White;Karl A. P. Payne;Karl Fisher;Stephen A. Marshall

  • Structure and mechanism of the flavocytochrome c fumarate reductase of Shewanella putrefaciens MR-1.

    David Leys;Alexandre S. Tsapin;Kenneth H. Nealson;Terrance E. Meyer

  • Structure and Biochemical Properties of the Alkene Producing Cytochrome P450 OleTJE (CYP152L1) from the Jeotgalicoccus sp. 8456 Bacterium

    James Belcher;Kirsty J. McLean;Sarah Matthews;Laura S. Woodward

  • Atomic structure of Mycobacterium tuberculosis CYP121 to 1.06 Å reveals novel features of cytochrome P450

    David G Leys;Christopher G. Mowat;Kirsty J McLean;Alison Richmond

  • Reengineering orthogonally selective riboswitches

    Neil Dixon;John N. Duncan;Torsten Geerlings;Mark S. Dunstan

  • Research article: The transcriptional regulator CprK detects chlorination by combining direct and indirect readout mechanisms

    Laura R. Kemp;Mark S. Dunstan;Karl Fisher;Jim Warwicker

  • The dimeric form of flavocytochrome P450 BM3 is catalytically functional as a fatty acid hydroxylase

    Rajasekhar Neeli;Hazel M. Girvan;Andrew Lawrence;Martin J. Warren

  • Visualization of poly(ADP-ribose) bound to PARG reveals inherent balance between exo - and endo -glycohydrolase activities

    Eva Barkauskaite;Amy Brassington;Edwin S. Tan;Jim Warwicker

  • P450-Catalyzed Regio- and Diastereoselective Steroid Hydroxylation: Efficient Directed Evolution Enabled by Mutability Landscaping

    Carlos G. Acevedo-Rocha;Carlos G. Acevedo-Rocha;Charles G. Gamble;Richard Lonsdale;Richard Lonsdale;Richard Lonsdale;Aitao Li;Aitao Li;Aitao Li

  • Characterization of active site structure in CYP121. A cytochrome P450 essential for viability of Mycobacterium tuberculosis H37Rv

    Kirsty J. McLean;Paul Carroll;D. Geraint Lewis;Adrian J. Dunford

  • Single-step fermentative production of the cholesterol-lowering drug pravastatin via reprogramming of Penicillium chrysogenum

    Kirsty J. McLean;Marcus Hans;Ben Meijrink;Wibo B. Van Scheppingen

  • Structural basis for enzymatic photocatalysis in chlorophyll biosynthesis

    Shaowei Zhang;Derren J. Heyes;Lingling Feng;Wenli Sun

  • Crystal structure of the Mycobacterium tuberculosis P450 CYP121-fluconazole complex reveals new azole drug-P450 binding mode.

    Harriet E. Seward;Anna Roujeinikova;Kirsty J. McLean;Andrew W. Munro

  • Structural basis of kynurenine 3-monooxygenase inhibition

    Marta Amaral;Colin Levy;Derren J. Heyes;Pierre Lafite

  • Biocatalysis with thermostable enzymes: structure and properties of a thermophilic 'ene'-reductase related to old yellow enzyme.

    Björn V. Adalbjörnsson;Helen S. Toogood;Anna Fryszkowska;Christopher R. Pudney

  • The TB structural genomics consortium: a resource for Mycobacterium tuberculosis biology.

    T.C Terwilliger;M.S Park;G.S Waldo;J Berendzen

  • Extensive Conformational Sampling in a Ternary Electron Transfer Complex.

    David Leys;Jaswir Basran;François Talfournier;Michael J. Sutcliffe

Frequent Co-Authors

Nigel S. Scrutton
Nigel S. Scrutton University of Manchester
Andrew W. Munro
Andrew W. Munro University of Manchester
Kirsty J. McLean
Kirsty J. McLean University of Manchester
Stephen E. J. Rigby
Stephen E. J. Rigby University of Manchester
Terrance E. Meyer
Terrance E. Meyer University of Arizona
Michael J. Sutcliffe
Michael J. Sutcliffe University of Manchester
Michael A. Cusanovich
Michael A. Cusanovich University of Arizona
Myles R. Cheesman
Myles R. Cheesman University of East Anglia
Jason Micklefield
Jason Micklefield University of Manchester
Stephen K Chapman
Stephen K Chapman University of Edinburgh

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