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Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 87 2458 2215 128 113 314 23405

Sam P. de Visser publications per year

The chart shows the history of publications by Sam P. de Visser between 1958 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sam P. de Visser published across 68 years, from 1958 to 2025, averaging 5.1 papers a year. Output peaked at 24 publications in 2021. 41 of the 350 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1958 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2021. 1958: 1 publication 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 1 publication 1997: 0 publications 1998: 3 publications 1999: 3 publications 2000: 2 publications 2001: 7 publications 2002: 8 publications 2003: 9 publications 2004: 12 publications 2005: 9 publications 2006: 13 publications 2007: 7 publications 2008: 11 publications 2009: 14 publications 2010: 11 publications 2011: 12 publications 2012: 11 publications 2013: 14 publications 2014: 12 publications 2015: 15 publications 2016: 12 publications 2017: 14 publications 2018: 12 publications 2019: 21 publications 2020: 22 publications 2021: 24 publications 2022: 10 publications 2023: 18 publications 2024: 21 publications 2025: 20 publications
1958 2025

350 publications in total across all disciplines

View publications per year as a table
Sam P. de Visser: publications per year, 1958 to 2025
Year Publications
1958 1
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 1
1996 1
1997 0
1998 3
1999 3
2000 2
2001 7
2002 8
2003 9
2004 12
2005 9
2006 13
2007 7
2008 11
2009 14
2010 11
2011 12
2012 11
2013 14
2014 12
2015 15
2016 12
2017 14
2018 12
2019 21
2020 22
2021 24
2022 10
2023 18
2024 21
2025 20
Total 350
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Sam P. de Visser publications per year - data summary

  • Sam P. de Visser, a Chemistry scholar from University of Manchester, has 350 publications recorded across 68 years, from 1958 to 2025.
  • The oldest publication on record dates to 1958 and the most recent to 2025.
  • The most productive year is 2021, with 24 publications.
  • The least productive years with any output are 1958, 1995 and 1996, with 1 publication each.
  • 37 of the 68 years in the span carry no publications at all (1959, 1960, 1961, 1962 and others).
  • The rate of publication averages 5.1 papers per year over the whole span, or 11.3 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 93 publications, 27% of the career total.
  • Split into equal eras - 1958-1980: 1 publication (0.0 per year); 1981-2003: 34 publications (1.5 per year); 2004-2025: 315 publications (14.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Sam P. de Visser 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 Sam P. de Visser 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, 301–320 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: 314 publications — 66th percentile

66% 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
301–320 764 314
321–340 643
341–360 628
361–380 522
381–400 459
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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Sam P. de Visser 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.
  • Sam P. de Visser, a Chemistry scholar from University of Manchester, records 314 publications - the 66th percentile of the discipline.
  • 66% of ranked Chemistry scientists score the same or lower than Sam P. de Visser, and about 34% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Sam P. de Visser 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).

Sam P. de Visser 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 Sam P. de Visser 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, 86–87 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: 87 D-Index — 87th percentile

87% 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
82–83 292
84–85 275
86–87 254 87
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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Sam P. de Visser 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.
  • Sam P. de Visser, a Chemistry scholar from University of Manchester, records 87 D-Index - the 87th percentile of the discipline.
  • 87% of ranked Chemistry scientists score the same or lower than Sam P. de Visser, and about 13% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Sam P. de Visser 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

Sam P. de Visser is affiliated with the University of Manchester in the United Kingdom. Their research primarily spans the fields of Chemistry and Biochemistry, Genetics, and Molecular Biology, with a significant emphasis on Inorganic Chemistry and Molecular Biology as subfields. An additional focus lies in Renewable Energy, Sustainability and the Environment, Pharmacology, and Organic Chemistry.

The scientist's work concentrates on several main topics, including:

  • Metal-Catalyzed Oxygenation Mechanisms
  • Pharmacogenetics and Drug Metabolism
  • Metal complexes synthesis and properties
  • CO2 Reduction Techniques and Catalysts
  • Porphyrin Metabolism and Disorders
  • Metalloenzymes and iron-sulfur proteins
  • Porphyrin and Phthalocyanine Chemistry

De Visser has published extensively, with notable papers such as:

  • "Catalytic Mechanism of Aromatic Nitration by Cytochrome P450 TxtE: Involvement of a Ferric-Peroxynitrite Intermediate" (2020) in the Journal of the American Chemical Society
  • "Inspiration from Nature: Influence of Engineered Ligand Scaffolds and Auxiliary Factors on the Reactivity of Biomimetic Oxidants" (2021) in ACS Catalysis
  • "Local Charge Distributions, Electric Dipole Moments, and Local Electric Fields Influence Reactivity Patterns and Guide Regioselectivities in α-Ketoglutarate-Dependent Non-heme Iron Dioxygenases" (2021) in Accounts of Chemical Research
  • "Status report on the quantum chemical cluster approach for modeling enzyme reactions" (2022) in Communications Chemistry
  • "Negative catalysis / non-Bell-Evans-Polanyi reactivity by metalloenzymes: Examples from mononuclear heme and non-heme iron oxygenases" (2021) in Coordination Chemistry Reviews

Their frequent coauthors include:

  • Chivukula V. Sastri
  • Hafiz Saqib Ali
  • Thirakorn Mokkawes
  • Henrik P. H. Wong
  • Jagnyesh Kumar Satpathy

De Visser's work appears regularly in leading publication venues, notably:

  • Chemistry - A European Journal
  • ACS Catalysis
  • Inorganic Chemistry
  • Journal of the American Chemical Society
  • Physical Chemistry Chemical Physics

Best Publications

  • Mechanism of oxidation reactions catalyzed by cytochrome p450 enzymes.

    Bernard Meunier;Samuël P de Visser;Sason Shaik

  • Theoretical perspective on the structure and mechanism of cytochrome P450 enzymes.

    Sason Shaik;Devesh Kumar;Samuël P. de Visser;and Ahmet Altun

  • A Model “Rebound” Mechanism of Hydroxylation by Cytochrome P450: Stepwise and Effectively Concerted Pathways, and Their Reactivity Patterns

    F. Ogliaro;N. Harris;S. Cohen;M. Filatov

  • Two-state reactivity mechanisms of hydroxylation and epoxidation by cytochrome P-450 revealed by theory.

    Sason Shaik;Samuël P de Visser;François Ogliaro;Helmut Schwarz

  • A proton-shuttle mechanism mediated by the porphyrin in benzene hydroxylation by cytochrome p450 enzymes.

    Sam P de Visser;Sason Shaik

  • What factors affect the regioselectivity of oxidation by cytochrome P450? A DFT study of allylic hydroxylation and double bond epoxidation in a model reaction

    Sam P de Visser;François Ogliaro;Pankaz K Sharma;Sason Shaik

  • External Electric Field Will Control the Selectivity of Enzymatic-Like Bond Activations

    Sason Shaik;Sam P. De Visser;Devesh Kumar

  • Photoactivation of the photoactive yellow protein: why photon absorption triggers a trans-to-cis Isomerization of the chromophore in the protein.

    Gerrit Groenhof;§ Mathieu Bouxin-Cademartory;Berk Hess;Sam P. de Visser

  • Searching for the second oxidant in the catalytic cycle of cytochrome P450: a theoretical investigation of the iron(III)-hydroperoxo species and its epoxidation pathways.

    François Ogliaro;Sam P de Visser;Shimrit Cohen;Pankaz K Sharma

  • A Valence Bond Modeling of Trends in Hydrogen Abstraction Barriers and Transition States of Hydroxylation Reactions Catalyzed by Cytochrome P450 Enzymes

    Sason Shaik;Devesh Kumar;Sam P. de Visser

  • A predictive pattern of computed barriers for C-H hydroxylation by compound I of cytochrome P450

    Sam P. De Visser;Devesh Kumar;Shimrit Cohen;Ronen Shacham

  • Propene activation by the oxo-iron active species of taurine/α- ketoglutarate dioxygenase (TauD) enzyme. How does the catalysis compare to heme-enzymes?

    Sam P. de Visser

  • Theoretical study on the mechanism of the oxygen activation process in cysteine dioxygenase enzymes.

    Devesh Kumar;Devesh Kumar;Walter Thiel;Sam P. de Visser

  • Active species of horseradish peroxidase (HRP) and cytochrome P450: two electronic chameleons.

    S. P. de Visser;S. Shaik;P. K. Sharma;D. Kumar

  • Intrinsic properties and reactivities of mononuclear nonheme iron-oxygen complexes bearing the tetramethylcyclam ligand

    Sam P. de Visser;Jan Uwe Rohde;Yong Min Lee;Jaeheung Cho

  • Trends in substrate hydroxylation reactions by heme and nonheme iron(IV)-oxo oxidants give correlations between intrinsic properties of the oxidant with barrier height

    Sam P. de Visser

  • Status report on the quantum chemical cluster approach for modeling enzyme reactions

    Unknown

  • Combined experimental and theoretical study on aromatic hydroxylation by mononuclear nonheme iron(IV)-oxo complexes.

    Sam P. de Visser;Kyungeun Oh;† and Ah-Rim Han;Wonwoo Nam

  • The mechanism of cysteine oxygenation by cysteine dioxygenase enzymes.

    Swathi Aluri;Sam P. De Visser

  • Radical Clock Substrates, Their C−H Hydroxylation Mechanism by Cytochrome P450, and Other Reactivity Patterns: What Does Theory Reveal about the Clocks' Behavior?

    Devesh Kumar;Samuël P de Visser;Pankaz K Sharma;Shimrit Cohen

  • What Factors Influence the Ratio of C¿H Hydroxylation versus C¿C Epoxidation by a Nonheme Cytochrome P450 Biomimetic?

    Sam P. de Visser

Frequent Co-Authors

Devesh Kumar
Devesh Kumar Babasaheb Bhimrao Ambedkar University
Sason Shaik
Sason Shaik Hebrew University of Jerusalem
Wonwoo Nam
Wonwoo Nam Ewha Womans University
David P. Goldberg
David P. Goldberg Johns Hopkins University
Joan Selverstone Valentine
Joan Selverstone Valentine University of California, Los Angeles
Nico M. M. Nibbering
Nico M. M. Nibbering Vrije Universiteit Amsterdam
Nigel S. Scrutton
Nigel S. Scrutton University of Manchester
G. Narahari Sastry
G. Narahari Sastry North East Institute of Science and Technology
Maxime A. Siegler
Maxime A. Siegler Johns Hopkins University
Guy N. L. Jameson
Guy N. L. Jameson University of Melbourne

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